Radial valve with unloader assembly for gas compressor

Details Radial valve with unloader assembly for gas compressor Radial valve with unloader assembly for gas compressor

1993-02-01

1994-07-26

Rosenthal, Arnold

Fluid handling

Line condition change responsive valves

Direct response valves

137523, 417446, 251176, F16K 1506, F16K 1518

Patent

active

053319982

ABSTRACT:
A suction valve for a gas compressor includes a cylindrical valve guide cage with plurality of rows of valve guides, each with a corresponding poppet valve slidably movable therein. Each valve guide communicates with a compressor cylinder. A concentric cylindrical valve seat chair with a like plurality of rows of valve seats surrounds the valve guide cage. Each valve seat communicates with a suction chamber. A plurality of openings extending through the guide cage are spaced between the rows of valve guides. To unload the compressor, the valve guide cage is movable relative to the valve seat chair, thus unseating the poppet valves and effectively opening the compressor cylinder to the suction chamber. A first embodiment uses a pneumatic cylinder to move the valve guide cage longitudinally while a second embodiment uses a rotary crank to move the valve guide cage rotationally.

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