(0)F17D:0/0:
IPC6
SECTION F - MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS;BLASTING
PIPE-LINE SYSTEMS; PIPE-LINES
F17D
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F 17 D

 PIPE-LINE SYSTEMS; PIPE-LINES (pumps or compressors F 04; fluid dynamics F 15 D; valves or the like F 16 K ; pipes, laying pipes, supports, joints, branches, repairing, work on the entire line, accessories F 16 L; steam traps or the like F 16 T; fluid-pressure electric cables H 01 B 9/06)
 

Note
 

In this subclass, the following expression is used with the meaning indicated:
 

-

 "pipe-line systems" means systems described in flow sheets as well as arrangements of co-operating elements, the elements per se being covered by the relevant subclasses.

 

 

 
 

 1
/ 00 Pipe-line systems (conveying articles or materials through a pipe-line by means of a fluid carrier B 65 G 51/00 , B 65 G 53/00; dispensing, delivering or transferring liquids B 67 D; special devices for transferring liquids from bulk storage containers into vehicles or boats or vice versa, e.g. loading or unloading vehicles or portable containers B 67 D 5/00; conveying material which has been excavated by a dredger or soil shifter through a pipe-line E 02 F 7/10; sewer pipe-line systems E 03 F 3/00; thermal insulation of pipe-lines F 16 L 59/00; central heating systems F 24 D) [2]

1
/ 02 • for gases or vapours  

1
/ 04 • • for distribution of gas  

1
/ 05 • • • Preventing freezing (by heating F 16 L 53/00)  

1
/ 06 • • for steam  

1
/ 065 • • Arrangements for producing propulsion of gases or vapours [2]  

1
/ 07 • • • by compression [2]  

1
/ 075 • • • by mere expansion from an initial pressure level, e.g. by arrangement of a flow-control valve [2]  

1
/ 08 • for liquids or viscous products (water-main or service pipe systems E 03 B 7/04; domestic hot-water supply systems F 24 D 17/00 ) [2]  

1
/ 12 • • Conveying liquids or viscous products by pressure of another fluid [2]  

1
/ 13 • • Conveying liquids or viscous products by gravity [2]  

1
/ 14 • • Conveying liquids or viscous products by pumping [2]  

1
/ 16 • • Facilitating the conveyance of liquids or effecting the conveyance of viscous products by modification of their viscosity [2]  

1
/ 17 • • • by mixing with another liquid [2]  

1
/ 18 • • • by heating [2]  

1
/ 20 • Arrangements or systems of devices for influencing or altering dynamic characteristics of the systems, e.g. for damping pulsations caused by opening or closing of valves (fluid dynamics F 15 D; damping pulsations in fluids in pipes in general F 16 L 55/04) [2]  
 

 3
/ 00 Arrangements for supervising or controlling working operations

3
/ 01 • for controlling, signalling, or supervising the conveyance of a product [2]  

3
/ 03 • for controlling, signalling, or supervising the conveyance of several different products following one another in the same conduit, e.g. for switching from one receiving tank to another [2]  

3
/ 05 • • the different products not being separated (separation of contaminants by distillation B 01 D 3/00) [2]  

3
/ 08 • • the different products being separated by "go-devils", e.g. spheres (cleaning devices moved along inside a pipe-line by fluid pressure B 08 B 9/04) [2]  

3
/ 10 • for taking out the product in the line (investigating or analysing materials by determinating their chemical or physical properties G 01 N) [2]  

3
/ 12 • for injecting a composition into the line [2]  

3
/ 14 • for eliminating water (separation of liquids B 01 D, e.g. B 01 D 17/00; separation of gases or vapours B 01 D 53/00) [2]  

3
/ 16 • for eliminating particles in suspension (from liquids by sedimentation B 01 D 21/00; separation by filtration or otherwise B 01 D 24/00 to B 01 D 51/00; centrifugal apparatus B 04) [2]  

3
/ 18 • for measuring the quantity of conveyed product (measuring volume or volume flow, in general G 01 F) [2]  
 

 5
/ 00 Protection or supervision of installations (arrangements for protecting foundations E 02 D 31/00; protecting pipes from damage or internal or external wear F 16 L 57/00, against corrosion or scale F 16 L 58/00; investigation of the fluid-tightness of structures G 01 M 3/00) [2]

5
/ 02 • Preventing, monitoring, or locating loss [2]  

5
/ 04 • • by means of a signalling fluid enclosed in a double wall [2]  

5
/ 06 • • using electric or acoustic means [2]  

5
/ 08 • Protection of installations or persons from the effects of high voltage induced in the pipe-line (emergency protective circuit arrangements H 02 H) [2]