F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
230/31
F04B 49/02 (2006.01) F04B 49/00 (2006.01) F04D 27/00 (2006.01)
Patent
CA 1163252
8932-IR-TT UNLOADING MEANS FOR A GAS COMPRESSOR Abstract of the Disclosure In the embodiment shown, the invention com- prises a suction/check valve interposed in a gas inlet channel, the channel being open at one end for communication with the atmosphere, and at the opposite end for communication with a gas compres- sor inlet port. The valve has a bleed hole formed therein for slowly blowing down the compressor receiver at shutdown. A second check valve is oper- atively interposed between the receiver and the atmosphere for depressurizing the receiver when the compressor unloads. A conduit which communicates with both valves provides a valve-operating, fluid, pilot-pressure to close off the suction/check valve, and to interdict its bleed hole, and to open the second check valve, with compressor unloading.
367418
Morse Henry W.
Shaffer Robert W.
Ingersoll-Rand Company
Swabey Ogilvy Renault
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