Rotation detecting apparatus for use with compressor

Details Rotation detecting apparatus for use with compressor Rotation detecting apparatus for use with compressor

1987-07-09

1988-11-08

Salce, Patrick R.

Electrical generator or motor structure

Dynamoelectric

Rotary

622285, 310208, 336184, 336234, 417222, H02K 2912, F04B 4206, G01R 3302

Patent

active

047836091

ABSTRACT:
A rotation detecting apparatus disposed on the outer periphery of a compressor including an airtight casing containing a rotor. The rotation detecting apparatus is constituted by plural magnetism detecting elements attached to the outer periphery of the airtight casing of the compressor in correspondence with a rotational orbit of a magnet disposed on the rotor within the airtight casing, such plural magnetism detecting elements each having a core made up of at least one amorphous alloy wire and a coil wound around the outer periphery of the core.

REFERENCES:
patent: 2060881 (1936-11-01), Linthwaite
patent: 3747036 (1973-07-01), Erdmann
patent: 4056747 (1977-11-01), Orris et al.
patent: 4393966 (1983-07-01), Kono et al.
patent: 4480961 (1984-11-01), Kono et al.
patent: 4525670 (1985-06-01), Miyagawa et al.
patent: 4639670 (1987-01-01), Normann
patent: 4704072 (1987-11-01), Nakajima et al.

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