SE304655BSE1696265ASE1696265ASE304655BSE 304655 BSE304655 BSE 304655BSE 1696265 ASE1696265 ASE 1696265ASE 1696265 ASE1696265 ASE 1696265ASE 304655 BSE304655 BSE 304655B
Authority
SE
Sweden
Application number
SE1696265A
Inventor
B Neal
Original Assignee
Westinghouse Brake & Signal
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Westinghouse Brake & SignalfiledCriticalWestinghouse Brake & Signal
Publication of SE304655BpublicationCriticalpatent/SE304655B/xx
F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
F16K31/126—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like
F16K31/1262—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like one side of the diaphragm being spring loaded