Pumps – Condition responsive control of drive transmission or pump... – Disconnectable drive element
Patent
1987-01-16
1987-11-03
Freeh, W. L.
Pumps
Condition responsive control of drive transmission or pump...
Disconnectable drive element
418 69, 192 84A, F04B 4900, F16D 1900
Patent
active
047040726
ABSTRACT:
A compressor having a rotation sensor disposed in a portion provided for mounting a magnetic clutch. The rotation sensor is compressed of a detectable portion co-rotatable with a drive shaft of the compressor, and a detecting portion disposed on a cylindrical head in confronting relation to the detectable portion. The rotation sensor is disposed outside of a seal means disposed between the drive shaft and the cylinder head for providing a hermetic seal therebetween. With this construction, no separate seal means is necessary for the rotation sensor.
REFERENCES:
patent: 4393966 (1983-07-01), Kono et al.
patent: 4487029 (1984-12-01), Hidaka et al.
Nakajima Nobuyuki
Takahashi Tadahiro
Diesel Kiki Co. Ltd.
Freeh W. L.
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