<titlePart> <text>SECTION F <emdash/> MECHANICAL ENGINEERING</text> </titlePart> <titlePart> <text>LIGHTING</text> </titlePart> <titlePart> <text>HEATING</text> </titlePart> <titlePart> <text>WEAPONS</text> </titlePart> <titlePart> <text>BLASTING</text> </titlePart>

<titlePart> <text>SECTION F <emdash/> MECHANICAL ENGINEERING</text> </titlePart> <titlePart> <text>LIGHTING</text> </titlePart> <titlePart> <text>HEATING</text> </titlePart> <titlePart> <text>WEAPONS</text> </titlePart> <titlePart> <text>BLASTING</text> </titlePart> MACHINES positive displacement rotary or oscillating piston liquid and elastic fluid or elastic fluid liquid only reciprocating piston or other liquid and elastic fluid or elastic fluid liquid only non-positive displacement liquid and elastic fluid or elastic fluid liquid only ENGINES positive displacement rotary or oscillating piston liquid and elastic fluid or elastic fluid liquid only reciprocating piston or other liquid and elastic fluid or elastic fluid liquid only non-positive displacement liquid and elastic fluid or elastic fluid liquid only PUMPS positive displacement rotary or oscillating piston reciprocating piston or other non-positive displacement <titlePart> <text>ENGINEERING IN GENERAL</text> </titlePart> <titlePart> <text>STORING OR DISTRIBUTING GASES OR LIQUIDS</text> <entryReference>water supply <sref ref="E03B"/></entryReference> </titlePart> <titlePart> <text>PIPE-LINE SYSTEMS</text> </titlePart> <titlePart> <text>PIPE-LINES</text> <entryReference>pumps or compressors <sref ref="F04"/></entryReference> <entryReference>fluid dynamics <sref ref="F15D"/></entryReference> <entryReference>valves or the like <sref ref="F16K"/></entryReference> <entryReference>pipes, laying pipes, supports, joints, branches, repairing, work on the entire line, accessories <sref ref="F16L"/></entryReference> <entryReference>steam traps or the like <sref ref="F16T"/></entryReference> <entryReference>fluid-pressure electric cables <sref ref="H01B0009060000"/></entryReference> </titlePart> 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. <titlePart> <text>Pipe-line systems</text> <entryReference>conveying articles or materials through a pipe-line by means of a fluid carrier <sref ref="B65G0051000000"/>, <sref ref="B65G0053000000"/></entryReference> <entryReference>dispensing, delivering or transferring liquids <sref ref="B67D"/></entryReference> <entryReference>special devices for transferring liquids from bulk storage containers into vehicles or boats or <u>vice versa</u>, e.g. loading or unloading vehicles or portable containers <sref ref="B67D0005000000"/></entryReference> <entryReference>conveying material which has been excavated by a dredger or soil shifter through a pipe-line <sref ref="E02F0007100000"/></entryReference> <entryReference>sewer pipe-line systems <sref ref="E03F0003000000"/></entryReference> <entryReference>thermal insulation of pipe-lines <sref ref="F16L0059000000"/></entryReference> <entryReference>central heating systems <sref ref="F24D"/></entryReference> </titlePart> <titlePart> <text>for gases or vapours</text> </titlePart> <titlePart> <text>for distribution of gas</text> </titlePart> <titlePart> <text>Preventing freezing</text> <entryReference>by heating <sref ref="F16L0053000000"/></entryReference> </titlePart> <titlePart> <text>for steam</text> </titlePart> <titlePart> <text>Arrangements for producing propulsion of gases or vapours</text> </titlePart> <titlePart> <text>by compression</text> </titlePart> <titlePart> <text>by mere expansion from an initial pressure level, e.g. by arrangement of a flow-control valve</text> </titlePart> <titlePart> <text>for liquids or viscous products</text> <entryReference>water-main or service pipe systems <sref ref="E03B0007040000"/></entryReference> <entryReference>domestic hot-water supply systems <sref ref="F24D0017000000"/></entryReference> </titlePart> <titlePart> <text>Conveying liquids or viscous products by pressure of another fluid</text> </titlePart> <titlePart> <text>Conveying liquids or viscous products by gravity</text> </titlePart> <titlePart> <text>Conveying liquids or viscous products by pumping</text> </titlePart> <titlePart> <text>Facilitating the conveyance of liquids or effecting the conveyance of viscous products by modification of their viscosity</text> </titlePart> <titlePart> <text>by mixing with another liquid</text> </titlePart> <titlePart> <text>by heating</text> </titlePart> <titlePart> <text>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</text> <entryReference>fluid dynamics <sref ref="F15D"/></entryReference> <entryReference>damping pulsations in fluids in pipes in general <sref ref="F16L0055040000"/></entryReference> </titlePart> <titlePart> <text>Arrangements for supervising or controlling working operations</text> </titlePart> <titlePart> <text>for controlling, signalling, or supervising the conveyance of a product</text> </titlePart> <titlePart> <text>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</text> </titlePart> <titlePart> <text>the different products not being separated</text> <entryReference>separation of contaminants by distillation <sref ref="B01D0003000000"/></entryReference> </titlePart> <titlePart> <text>the different products being separated by "go-devils", e.g. spheres</text> <entryReference>cleaning devices moved along the inside of pipe-lines by a fluid <sref ref="B08B0009053000"/></entryReference> </titlePart> <titlePart> <text>for taking out the product in the line</text> <entryReference>investigating or analysing materials by determinating their chemical or physical properties <sref ref="G01N"/></entryReference> </titlePart> <titlePart> <text>for injecting a composition into the line</text> </titlePart> <titlePart> <text>for eliminating water</text> <entryReference>separation of liquids <sref ref="B01D"/>, e.g. <sref ref="B01D0017000000"/></entryReference> <entryReference>separation of gases or vapours <sref ref="B01D0053000000"/></entryReference> </titlePart> <titlePart> <text>for eliminating particles in suspension</text> <entryReference>from liquids by sedimentation <sref ref="B01D0021000000"/></entryReference> <entryReference>separation by filtration or otherwise <mref ref="B01D0024000000" endRef="B01D0051000000"/></entryReference> <entryReference>centrifugal apparatus <sref ref="B04"/></entryReference> </titlePart> <titlePart> <text>for measuring the quantity of conveyed product</text> <entryReference>measuring volume or volume flow, in general <sref ref="G01F"/></entryReference> </titlePart> <titlePart> <text>Protection or supervision of installations</text> <entryReference>arrangements for protecting foundations <sref ref="E02D0031000000"/></entryReference> <entryReference>protecting pipes from damage or internal or external wear <sref ref="F16L0057000000"/>, against corrosion or scale <sref ref="F16L0058000000"/></entryReference> <entryReference>investigation of the fluid-tightness of structures <sref ref="G01M0003000000"/></entryReference> </titlePart> <titlePart> <text>Preventing, monitoring, or locating loss</text> </titlePart> <titlePart> <text>by means of a signalling fluid enclosed in a double wall</text> </titlePart> <titlePart> <text>using electric or acoustic means</text> </titlePart> <titlePart> <text>Protection of installations or persons from the effects of high voltage induced in the pipe-line</text> <entryReference>emergency protective circuit arrangements <sref ref="H02H"/></entryReference> </titlePart>