Rotational speed sensor for vane compressors

Details Rotational speed sensor for vane compressors Rotational speed sensor for vane compressors

1984-02-14

1985-03-05

Gluck, Richard E.

Rotary expansible chamber devices

With signal, indicator or transparent inspection means

417 42, 324167, 324174, G01P 3487, F01C 2100

Patent

active

045028532

ABSTRACT:
In a vane compressor, a rotational speed sensor for sensing the rotational speed of the rotor comprises a permanent magnet embedded in an end face of the rotor, a pin formed of a ferromagnetic material, rigidly fitted in a pump housing accommodating the rotor, with its one end disposed to encounter the permanent magnet, and a magnetically sensing element disposed opposite the other end face of the pin.

REFERENCES:
patent: 3898563 (1975-08-01), Erisman
patent: 4331918 (1982-05-01), Dunch
patent: 4393966 (1983-07-01), Kono

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