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| SECTION G– PHYSICS |
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| G 05 | CONTROLLING; REGULATING (specially adapted to a particular field of use, see the relevant place for that field, e.g. A 62 C 37/00, B 03 B 13/00, B 23 Q) |
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| G 05 D | SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES (for continuous casting of metals B 22 D 11/16; valves per se F 16 K; sensing non-electric variables, see the relevant subclasses of G 01; for regulating electric or magnetic variables G 05 F) |
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| Notes |
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| (1) | This subclass does not cover features of general applicability to regulating systems, e.g. anti-hunting arrangements, which are covered by subclass G 05 B. |
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| (2) | In this subclass, the following term is used with the meaning indicated: |
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| – | "systems" includes self-contained devices such as speed governors, pressure regulators. |
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| (3) | Control systems specially adapted for particular apparatus, machines or processes are classified in the subclasses for the apparatus, machines or processes, provided that there is specific provision for control or regulation relevant to the special adaptation, either at a detailed level (e.g. A 21 B 1/40 : "for regulating temperature in bakers' ovens") or at a general level (e.g. B 23 K 9/095 : "for automatic control of welding parameters in arc welding"). Otherwise, classification is made in the most appropriate place in this subclass. |
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| The following are lists of places where there is specific provision of the kind referred to above. Where such provision is at a detailed level, the places have been grouped according to the main groups of this subclass. Where the provision is at a general level (e.g. of a kind appropriate to more than one of the main groups specified in the lists, or to main groups G 05 D 27/00 or G 05 D 29/00), the places are listed under the title "General References". |
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| Places related to G 05 D 1/00 |
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| A 01 B 69/00 | Agricultural machines or implements |
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| A 63 H 17/36 | Toy vehicles |
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| B 60 V 1/11 | Air-cushion vehicles |
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| B 62 D 1/00 | Steering controls of motor vehicles or trailers, i.e. means for initiating a change of direction |
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| B 62 D 6/00 | Arrangements for automatically controlling the steering depending on driving conditions |
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| B 62 D 55/116 | Chassis of endless-tracked vehicles |
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| B 63 H 25/00 | Marine steering; control of waterborne vessels |
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| B 64 C 13/00 to B 64 C 15/00 | Controlling aircraft |
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| B 64 D 25/11 | Controlling attitude or direction of aircraft ejector seats |
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| B 64 G 1/24 | Cosmonautic vehicles |
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| F 41 G 7/00 | Self-propelled missiles |
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| F 42 B 15/01 | Guided missiles |
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| F 42 B 19/01 | Marine torpedoes |
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| Places related to G 05 D 3/00 |
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| A 43 D 119/00 | Footwear manufacture |
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| B 21 K 31/00 | Tool carriers in forging or pressing |
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| B 23 B 39/26 | Pattern-controlled boring or drilling tools |
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| B 23 D 1/30, B 23 D 3/06, B 23 D 5/04 | Planing or slotting machines controlled by copying device |
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| B 23 H 7/18 | Electrode to workpiece spacing in electric discharge and electrochemical machining |
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| B 23 K 26/02 | Workpiece in laser welding or cutting |
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| B 23 K 37/04 | Workpiece in welding |
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| B 23 K 37/06 | Molten metal in welding |
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| B 23 Q 5/20 | Spindles in machine tools |
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| B 23 Q 15/00, B 23 Q 16/00 | Tool or work position in machine tools |
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| B 23 Q 35/00 | Tools controlled by pattern or master model |
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| B 24 B 17/00 | Grinding controlled by patterns, drawings, magnetic tape or the like |
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| B 24 B 47/22 | Starting position in grinding |
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| B 30 B 15/24 | Actuating members in presses |
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| B 62 D 55/116 | Chassis of tracked vehicles |
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| B 65 H 23/18 | Web-advancing mechanisms |
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| E 02 F 3/43 | Dippers or buckets in dredgers |
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| F 15 B 9/00 | Fluid-pressure servomotors with follow-up action |
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| F 24 J 2/38 | Tracking of solar heat collectors |
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| G 03 F 9/00 | Photomechanical production of patterned or textured surfaces |
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| G 11 B 5/588 | Rotating heads in information storage systems |
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| G 21 C 7/12 | Movement of control elements in nuclear reactors |
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| Places related to G 05 D 5/00 |
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| A 24 B 7/14 | Tobacco cutting |
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| B 05 C 11/02 | Thickness of coating of fluent material on surface |
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| B 21 B 37/16 | Thickness, width, diameter or other transverse dimensions of the products of metal-rolling mills |
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| C 03 B 18/04 | Dimension of glass ribbon |
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| D 21 F 7/06 | Thickness of layer in paper making |
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| Places related to G 05 D 7/00 |
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| A 45 D 20/26 | Air in hair drying helmets |
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| A 61 M 5/168 | Flow of media to the human body |
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| B 03 C 3/36 | Gases or vapour in electrostatic separators |
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| B 05 C 11/10 | Fluent material in coating devices |
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| B 67 D 1/12 | Dispensing beverages on draught |
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| B 67 D 5/28 | Transferring liquids |
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| C 10 K 1/28 | Gas purifiers |
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| E 21 B 21/08 | Flushing boreholes |
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| E 21 B 43/12 | Obtaining liquids from wells |
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| F 01 D 17/00 | Flow in non-positive-displacement machines or systems |
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| F 01 M 1/16 | Lubrication arrangements |
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| F 01 P 7/00 | Coolant flow in cooling devices |
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| F 02 C 9/16, F 02 C 9/50 | Gas-turbine working fluid |
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| F 16 L 55/027 | Throttle passages in pipes |
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| F 24 F 11/00 | Air-flow or supply of heating or cooling fluids in air treatment arrangements |
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| F 26 B 21/12 | Air or gas flow in dryers |
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| G 01 G 11/08 | Continuous flow weighing apparatus |
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| G 21 D 3/14 | Coolant in nuclear power plant |
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| Places related to G 05 D 9/00 |
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| B 01 D 21/34 | Liquid level in sedimentation arrangements |
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| B 41 L 27/04 | Ink level in printing, manifolding or duplicating arrangements |
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| F 22 D 5/00 | Feed water for boilers |
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| H 01 J 1/10, H 01 J 13/14 | Liquid pool electrodes in electric discharge tubes or lamps |
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| Places related to G 05 D 11/00 |
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| B 01 D 21/32 | Density in sedimentation arrangements |
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| B 01 F 15/04 | Mixers |
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| B 24 C 7/00 | Abrasive blasts |
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| B 28 C 7/00 | Mixtures of clays or cements |
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| B 65 G 53/66 | Bulk material conveyers |
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| F 02 K 3/075 | Flow ratio in jet-propulsion plants |
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| Places related to G 05 D 13/00 |
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| B 21 C 1/12 | Drum speed in metal drawing |
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| B 23 Q 15/00 | Cutting velocity of tool or work |
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| B 30 B 15/20 | Ram speed in presses |
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| B 60 K 31/00 | Setting or limiting speed of vehicles |
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| B 60 L 15/00 | Electrically-propelled vehicles |
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| B 64 D 31/08 | Cruising speed of aircraft |
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| D 01 D 1/09 | Feed rate in manufacture of artificial filaments, threads, fibres, bristles or ribbons |
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| D 01 G 15/36 | Carding machines |
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| D 02 H 13/14 | Warping, beaming or leasing machines |
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| D 03 D 51/16 | Cyclically varying speed of looms |
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| G 01 N 30/32 | Speed of fluid carrier in chemical analysis |
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| G 11 B 15/46 | Filamentary or web record carriers or heads for such carriers in information storage systems |
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| G 11 B 19/28 | Non-filamentary, non-web record carriers, or heads for such carriers in information storage systems |
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| Places related to G 05 D 15/00 |
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| B 25 D 9/26 | Portable percussive tools |
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| B 30 B 15/22 | Ram pressure in presses |
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| B 65 H 59/00 | Tension in filamentary material |
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| B 65 H 77/00 | Tension in webs, tapes, filamentary material |
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| B 66 D 1/50 | Rope, cable or chain tension |
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| D 03 D 49/04 | Tension in looms |
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| D 05 B 47/04 | Tension in sewing machines |
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| D 21 F 3/06 | Pressure in paper-making machines |
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| F 26 B 13/12 | Drying fabrics |
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| F 26 B 21/10 | Pressure in dryers |
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| G 11 B 15/43 | Record carrier tension in information storage arrangements |
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| Places related to G 05 D 16/00 |
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| B 60 C 23/00 | Tyre pressure |
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| B 63 C 11/08 | Air within diving suit |
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| B 64 D 13/00 | Aircraft air-pressure |
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| B 65 G 53/66 | Bulk material conveyers |
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| D 01 D 1/09 | Manufacture of artificial filaments, threads, fibres, bristles or ribbons |
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| E 21 B 21/08 | Flushing boreholes |
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| F 01 M 1/16 | Lubrication arrangements |
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| G 01 N 30/32 | Pressure of fluid carrier in chemical analysis |
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| H 01 J 7/14 | Pressure in electric discharge tubes or lamps |
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| H 01 K 1/52 | Pressure in electric incandescent lamps |
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| Places related to G 05 D 19/00 |
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| B 25 D 9/26 | Portable percussion tools |
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| B 65 G 27/32 | Jigging conveyers |
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| Places related to G 05 D 21/00 |
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| B 01 D 21/32 | Density in sedimentation arrangements |
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| B 01 D 53/30 | Treating gases or vapours |
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| G 01 N 30/34 | Composition of fluid carrier in chemical analysis |
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| Places related to G 05 D 22/00 |
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| A 01 G 25/16 | Watering gardens, fields, sports grounds or the like |
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| A 01 K 41/04 | Poultry incubators |
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| A 24 B 9/00 | Tobacco products |
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| F 24 F 11/00 | Air conditioning |
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| F 26 B 21/08 | Dryers |
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| Places related to G 05 D 23/00 |
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| A 21 B 1/40 | Bakers' ovens |
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| A 45 D 6/20 | Hair curlers |
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| B 21 C 31/00 | Metal extruding |
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| B 60 C 23/00 | Tyre temperature |
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| B 64 G 1/50 | Cosmonautic vehicles |
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| C 03 B 18/18, C 03 B 18/22 | Float baths in glass making |
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| D 01 D 1/09 | Manufacture of artificial filaments, threads, fibres, bristles or ribbons |
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| D 04 B 35/30 | Knitting machines |
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| D 06 F 75/26 | Hand irons |
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| D 21 F 5/06 | Paper-making machines |
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| F 01 M 5/00 | Lubricant in lubrication arrangements |
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| F 16 N 7/08 | Arrangements for supplying oil or unspecified lubricant from a reservoir |
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| F 22 G 5/00 | Steam superheat |
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| F 26 B 21/10 | Dryers |
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| G 01 N 30/30 | Temperature of fluid carrier in chemical analysis |
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| H 01 M 10/50 | Electric storage cells |
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| H 05 B 6/06, H 05 B 6/50, H 05 B 6/68 | Dielectric, induction or microwave heating |
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| H 05 G 1/36 | Anode of X-ray tube |
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| Places related to G 05 D 25/00 |
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| B 41 B 21/08 | Photographic composing machines |
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| H 01 S 3/10, H 05 B 33/08, H 05 B 35/00 to H 05 B 43/00 | Lasers and other light sources |
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| General references |
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| A 01 J 5/007 | Milking machines |
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| B 23 K 9/095 | Welding parameters |
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| B 23 Q 35/00 | Copying |
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| B 24 B 17/00, B 24 B 49/00 | Grinding or polishing |
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| B 24 C 7/00 | Abrasive blasts |
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| B 67 D 1/12 | Dispensing beverages on draught |
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| G 03 G 21/20 | Electrographic, electrophotographic or magnetographic processes |
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| H 02 P 5/00 to H 02 P 9/00 | Dynamo-electric motors or generators |
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1/ | 00 | Control of position, course, altitude, or attitude of land, water, air, or space vehicles, e.g. automatic pilot (radio navigation systems or analogous systems using other waves G 01 S) |
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1/ | 02 | . | Control of position or course in two dimensions [2] |
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1/ | 03 | . | . | using near-field transmission systems, e.g. inductive-loop type |
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1/ | 04 | . | Control of altitude or depth |
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1/ | 06 | . | . | Rate of change of altitude or depth |
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1/ | 08 | . | Control of attitude, i.e. control of roll, pitch, or yaw |
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1/ | 10 | . | Simultaneous control of position or course in three dimensions (G 05 D 1/12 takes precedence) |
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1/ | 12 | . | Target-seeking control |
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3/ | 00 | Control of position or direction (G 05 D 1/00 takes precedence; for numerical control G 05 B 19/18) |
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3/ | 10 | . | without using feedback [3] |
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3/ | 12 | . | using feedback [3] |
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3/ | 14 | . | . | using an analogue comparing device [3] |
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3/ | 16 | . | . | . | whose output amplitude can only take a number of discrete values (G 05 D 3/18 takes precedence) [3] |
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3/ | 18 | . | . | . | delivering a series of pulses [3] |
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3/ | 20 | . | . | using a digital comparing device [3] |
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5/ | 00 | Control of dimensions of material |
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5/ | 02 | . | of thickness, e.g. of rolled material |
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5/ | 03 | . | . | characterised by the use of electric means |
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5/ | 04 | . | of the size of items, e.g. of particles |
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5/ | 06 | . | . | characterised by the use of electric means |
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7/ | 00 | Control of flow (level control G 05 D 9/00; ratio control G 05 D 11/00; weighing apparatus G 01 G) |
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7/ | 01 | . | without auxiliary power |
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7/ | 03 | . | with auxiliary non-electric power [2] |
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7/ | 06 | . | characterised by the use of electric means |
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9/ | 00 | Level control, e.g. controlling quantity of material stored in vessel |
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9/ | 02 | . | without auxiliary power |
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9/ | 04 | . | with auxiliary non-electric power [2] |
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9/ | 12 | . | characterised by the use of electric means |
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11/ | 00 | Ratio control (control of chemical or physico-chemical variables, e.g. pH-value, G 05 D 21/00; humidity control G 05 D 22/00; control of viscosity G 05 D 24/00) |
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11/ | 02 | . | Controlling ratio of two or more flows of fluid or fluent material |
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11/ | 03 | . | . | without auxiliary power |
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11/ | 035 | . | . | with auxiliary non-electric power [2] |
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11/ | 04 | . | . | . | by sensing weight of individual components, e.g. gravimetric procedure |
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11/ | 06 | . | . | . | by sensing density of mixture, e.g. using aerometer |
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11/ | 08 | . | . | . | by sensing concentration of mixture, e.g. by measuring pH-value [3] |
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11/ | 10 | . | . | . | . | by sensing moisture of non-aqueous liquids |
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11/ | 12 | . | . | . | by sensing viscosity of mixture |
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11/ | 13 | . | . | characterised by the use of electric means |
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11/ | 16 | . | Controlling mixing ratio of fluids having different temperatures, e.g. by sensing the temperature of a mixture of fluids having different viscosities |
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13/ | 00 | Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover (synchronising telegraph receiver and transmitter H 04 L 7/00) |
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13/ | 02 | . | Details |
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13/ | 04 | . | . | providing for emergency tripping of an engine in case of exceeding maximum speed |
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13/ | 06 | . | . | providing for damping of erratic vibrations in governors |
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13/ | 08 | . | without auxiliary power |
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13/ | 10 | . | . | Centrifugal governors with fly-weights |
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13/ | 12 | . | . | . | Details |
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13/ | 14 | . | . | . | . | Fly-weights; Mountings thereof; Adjusting equipment for limits, e.g. temporarily |
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13/ | 16 | . | . | . | . | Risers; Transmission gear therefor; Restoring mechanisms therefor |
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13/ | 18 | . | . | . | counterbalanced by spider springs acting immediately upon the fly-weights |
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13/ | 20 | . | . | . | counterbalanced by spider springs acting upon the articulated riser |
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13/ | 22 | . | . | . | counterbalanced by fluid pressure acting upon the articulated riser |
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13/ | 24 | . | . | . | counterbalanced by two or more different appliances acting simultaneously upon the riser, e.g. with both spring force and fluid pressure, with both spring force and electromagnetic force |
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13/ | 26 | . | . | . | with provision for modulating the degree of non-uniformity of speed |
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13/ | 28 | . | . | . | with provision for performing braking effects in case of increased speed |
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13/ | 30 | . | . | Governors characterised by fluid features in which the speed of a shaft is converted into fluid pressure (transducers converting variations of physical quantities into fluid-pressure variations F 15 B 5/00) |
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13/ | 32 | . | . | . | using a pump |
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13/ | 34 | . | with auxiliary non-electric power (fluid-pressure converters F 15 B 3/00) [2] |
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13/ | 36 | . | . | using regulating devices with proportional band, i.e. P. regulating devices |
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13/ | 38 | . | . | . | involving centrifugal governors of fly-weight type |
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13/ | 40 | . | . | . | involving centrifugal governors of pump type |
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13/ | 42 | . | . | . | involving fluid governors of flow-controller type, i.e. the width of liquid flow being controlled by fly-weights |
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13/ | 44 | . | . | . | involving fluid governors of jet type |
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13/ | 46 | . | . | using regulating devices with proportional band and integral action, i.e. P.I. regulating devices |
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13/ | 48 | . | . | . | involving resilient restoring mechanisms |
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13/ | 50 | . | . | . | involving connecting means for superimposing a proportional regulating device and an integral regulating device |
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13/ | 52 | . | . | using regulating devices with proportional band and derivative action, i.e. P.D. regulating devices |
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13/ | 54 | . | . | . | involving centrifugal governors of fly-weight type exerting an acceleratory effect |
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13/ | 56 | . | . | . | involving restoring mechanisms exerting a delay effect |
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13/ | 58 | . | . | . | involving means for connecting a speed- regulating device and an acceleration- regulating device |
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13/ | 60 | . | . | using regulating devices with proportional band, derivative, and integral action, i.e. P.I.D. regulating devices |
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13/ | 62 | . | characterised by the use of electric means, e.g. use of a tachometric dynamo, use of a transducer converting an electric value into a displacement |
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13/ | 64 | . | Compensating the speed difference between engines meshing by a differential gearing or the speed difference between a controlling shaft and a controlled shaft |
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13/ | 66 | . | Governor units providing for co-operation with control dependent upon a variable other than speed |
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15/ | 00 | Control of mechanical force or stress; Control of mechanical pressure |
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15/ | 01 | . | characterised by the use of electric means |
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16/ | 00 | Control of fluid pressure |
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16/ | 02 | . | Modifications to reduce the effects of instability, e.g. due to vibrations, friction, abnormal temperature, overloading, unbalance (vibration-dampers F 16 F 7/00) |
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16/ | 04 | . | without auxiliary power |
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16/ | 06 | . | . | the sensing element being a flexible member yielding to pressure, e.g. diaphragm, bellows, capsule |
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16/ | 08 | . | . | . | Control of liquid pressure |
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16/ | 10 | . | . | the sensing element being a piston or plunger |
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16/ | 12 | . | . | the sensing element being a float |
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16/ | 14 | . | with auxiliary non-electric power [2] |
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16/ | 16 | . | . | derived from the controlled fluid |
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16/ | 18 | . | . | derived from an external source |
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16/ | 20 | . | characterised by the use of electric means |
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17/ | 00 | Control of torque; Control of mechanical power |
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17/ | 02 | . | characterised by the use of electric means |
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19/ | 00 | Control of mechanical oscillations, e.g. of amplitude, of frequency, of phase |
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19/ | 02 | . | characterised by the use of electric means |
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21/ | 00 | Control of chemical or physico-chemical variables, e.g. pH-value [3] |
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21/ | 02 | . | characterised by the use of electric means |
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22/ | 00 | Control of humidity [2] |
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22/ | 02 | . | characterised by the use of electric means |
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23/ | 00 | Control of temperature (automatic switching arrangements for electric heating apparatus H 05 B 1/02) |
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23/ | 01 | . | without auxiliary power |
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23/ | 02 | . | . | with sensing element expanding and contracting in response to changes of temperature (G 05 D 23/13 takes precedence) |
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23/ | 08 | . | . | . | with bimetallic element (arrangement of valves and flow lines specially adapted for mixing fluid F 16 K 11/00) |
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23/ | 10 | . | . | . | . | with snap-action elements (for valves F 16 K 31/56) |
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23/ | 12 | . | . | with sensing element responsive to pressure or volume changes in a confined fluid |
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23/ | 13 | . | . | by varying the mixing ratio of two fluids having different temperatures |
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23/ | 185 | . | with auxiliary non-electric power [2] |
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23/ | 19 | . | characterised by the use of electric means |
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23/ | 20 | . | . | with sensing elements having variation of electric or magnetic properties with change of temperature (G 05 D 23/13 takes precedence) |
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23/ | 22 | . | . | . | the sensing element being a thermocouple |
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23/ | 24 | . | . | . | the sensing element having a resistance varying with temperature, e.g. thermistor |
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23/ | 26 | . | . | . | the sensing element having a permeability varying with temperature |
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23/ | 27 | . | . | with sensing element responsive to radiation |
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23/ | 275 | . | . | with sensing element expanding, contracting, or fusing in response to changes of temperature |
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23/ | 30 | . | . | Automatic controllers with an auxiliary heating device affecting the sensing element, e.g. for anticipating change of temperature (automatic controllers in general and not restricted to control of temperature G 05 B) |
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23/ | 32 | . | . | . | with provision for adjustment of the effect of the auxiliary heating device, e.g. as a function of time |
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24/ | 00 | Control of viscosity |
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24/ | 02 | . | characterised by the use of electric means |
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25/ | 00 | Control of light, e.g. intensity, colour, phase (mechanically operable parts of lighting devices for the control of light F 21 V; optical devices or arrangements using movable or deformable elements for controlling light independent of the light source G 02 B 26/00; devices or arrangements, the optical operation of which is modified by changing the optical properties of the medium of the devices or arrangements for the control of light, circuit arrangements specially adapted therefor, control of light by electro-magnetic waves, electrons or other elementary particles G 02 F 1/00) |
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25/ | 02 | . | characterised by the use of electric means |
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27/ | 00 | Simultaneous control of variables covered by two or more of the preceding main groups |
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27/ | 02 | . | characterised by the use of electric means |
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29/ | 00 | Simultaneous control of electric and non-electric variables |
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