Slide valve position indicator and magnetic coupler

Machine element or mechanism – Mechanical movements – Reciprocating or oscillating to or from alternating rotary

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74DIG4, F16H 2702

Patent

active

050818767

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: 4290317 (1981-09-01), Hehl
patent: 4435991 (1984-03-01), Hehl
patent: 4717873 (1988-01-01), Carr, Jr. et al.

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