Slide valve position indicator and magnetic coupler

Details Slide valve position indicator and magnetic coupler Slide valve position indicator and magnetic coupler

1987-09-03

1988-05-10

Freeh, William L.

Pumps

With condition responsive pumped fluid control

Pressure responsive relief or bypass valve

417282, 62131, F04B 4902

Patent

active

047431709

ABSTRACT:
Movement in a pressurized environment is transmitted to a non-pressurized environment by means of a strong magnetic coupling whereby linear movement of a magnet in a pressurized environment causes linear movement of a surrounding magnet which is in a non-pressurized environment. Because of the strong magnetic coupling, the surrounding magnet is used to drive a linear to rotary motion converter. In the preferred embodiment, the pressurized environment is within a screw compressor.

REFERENCES:
patent: 4519748 (1985-05-01), Murphy
patent: 4536130 (1985-08-01), Orlando
patent: 4610613 (1986-09-01), Szymaszek

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