F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
F16K 17/10 (2006.01) F04B 49/22 (2006.01) F04B 53/10 (2006.01) F16K 17/04 (2006.01)
Patent
CA 2249266
A pressure relief valve for rapidly exhausting air pressure from a source of such pressure. The valve includes a housing containing a valve member located across a main port provided in the housing that directly receives the air pressure from the pressure source. A second port is provided for receiving a pilot pressure from the pressure source, and a piston is located adjacent the second port. At least one exhaust port is provided in the housing for exhausting to atmosphere the air received through the main port and against the valve member.
Cunkelman Brian L.
Santoro Ralph Jr.
Macrae & Co.
Westinghouse Air Brake Company
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