Oil-cooled compressor

Details Oil-cooled compressor Oil-cooled compressor

1980-06-02

1982-11-30

Croyle, Carlton R.

Pumps

Condition responsive control of pump drive motor

Responsive to pump lubricant, sealant, or coolant condition

417 18, 417 44, 417295, F04B 4906

Patent

active

043614175

ABSTRACT:
An oil-cooled compressor including a main body driven by a motor for compressing gas and being cooled by oil, an oil tank for removing oil from the gas compressed in the main body and discharged therefrom, and a suction mechanism for supplying oil from the oil tank and gas into the main body. The suction mechanism includes a suction gas throttling mechanism, operable in response to the pressure of the compressed gas discharged from the main body. The motor is controlled by a temperature switch responsive to the temperature of the oil and a pressure switch which is responsive to the pressure of the compressed gas only at a pressure range which is lower than that of the compressed gas actuating the suction gas throttling mechanism.

REFERENCES:
patent: 2137221 (1938-11-01), Aikman
patent: 3411313 (1968-11-01), Brown et al.
patent: 3602610 (1971-08-01), Bloom
patent: 3788776 (1974-01-01), Post et al.
patent: 4227862 (1980-10-01), Andrew et al.

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