<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>ENGINEERING ELEMENTS OR UNITS</text> </titlePart> <titlePart> <text>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS</text> </titlePart> <titlePart> <text>THERMAL INSULATION IN GENERAL</text> </titlePart> <titlePart> <text>STEAM TRAPS OR LIKE APPARATUS FOR DRAINING-OFF LIQUIDS FROM ENCLOSURES PREDOMINANTLY CONTAINING GASES OR VAPOURS</text> </titlePart> <titlePart> <text>Steam traps or like apparatus for draining-off liquids from enclosures predominantly containing gases or vapours, e.g. gas lines, steam lines, containers</text> </titlePart> <titlePart> <text>with valves controlled thermally</text> </titlePart> <titlePart> <text>by expansion rods</text> </titlePart> <titlePart> <text>by expansion tubes</text> </titlePart> <titlePart> <text>by bimetallic strips or plates</text> </titlePart> <titlePart> <text>by thermally-expansible liquids</text> </titlePart> <titlePart> <text>with valves controlled by excess or release of pressure</text> </titlePart> <titlePart> <text>involving a piston, diaphragm, or bellows, e.g. displaceable under pressure of incoming condensate</text> </titlePart> <titlePart> <text>involving a high-pressure chamber and a low-pressure chamber communicating with one another, i.e. thermodynamic steam chambers</text> </titlePart> <titlePart> <text>involving a vacuum chamber</text> </titlePart> <titlePart> <text>with valves controlled by floats</text> </titlePart> <titlePart> <text>of closed-hollow-body type</text> </titlePart> <titlePart> <text>using levers</text> </titlePart> <titlePart> <text>of upright-open-bucket type</text> </titlePart> <titlePart> <text>using levers</text> </titlePart> <titlePart> <text>of inverted-open-bucket type</text> </titlePart> <titlePart> <text>of bell type</text> </titlePart> <titlePart> <text>of rocking or tilting type</text> </titlePart> <titlePart> <text>without moving parts other than hand valves, e.g. labyrinth type</text> </titlePart> <titlePart> <text>specially adapted for steam lines of low pressure</text> </titlePart> <titlePart> <text>Component parts</text> </titlePart> <titlePart> <text>Accessories</text> </titlePart> <titlePart> <text>Actuating mechanisms of ball valves</text> </titlePart> <titlePart> <text>Actuating mechanisms of slide valves</text> </titlePart> <titlePart> <text>Means for venting or aerating</text> <entryReference>separate devices therefor <sref ref="F16K0024000000"/></entryReference> </titlePart> <titlePart> <text>Monitoring arrangements for inspecting, e.g. flow of steam and steam condensate</text> </titlePart>