137430 ⎘
Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by fluid means by working-fluid of machine or engine, e.g. free-piston machine; Arrangements with main and auxiliary valves, at least one of them being fluid-driven the auxiliary valve being actuated by the working motor-piston or piston-rod
Actuator valve of an air operated double diaphragm pump
#2Capstan-driven air pump system for opening and closing a longitudinal railcar door
#3Pressure amplifier
#4Compact linear actuator
#5Method to prevent debris build-up on reciprocating air motor pilot valves
#6Air-Operated Pump
#7Collar assembly for pump thrust rod used to activate microswitch valve on chemical injection pump