Compressor inlet valve

Details Compressor inlet valve Compressor inlet valve

1994-07-28

1995-02-14

Bertsch, Richard A.

Pumps

With condition responsive pumped fluid control

Inlet throttle or stop valve

417505, 417506, 1374875, 25112911, F04B 4900

Patent

active

053889681

ABSTRACT:
An electronically controlled gas compressor inlet valve includes a housing mounted on the compressor in fluid communication with an inlet of the compressor. A piston member is moveable linearly within the housing along a path of travel, into and out of occluding relation with the compressor inlet. A linear positioning device is connected to the piston member. The linear positioning device positions the piston member linearly, in a predetermined location, along the path of travel. A vent maintains a predetermined atmospheric pressure across the piston member. A sensor determines compressor inlet pressure, and generates a signal in response to a predetermined inlet pressure. A controller is operatively connected to the stepper motor for controlling actuation of the stepper motor in response to the signal generated by the sensor.

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patent: 5318151 (1994-06-01), Hood et al.
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