Screw compressing apparatus, rotor temperature control apparatus

Details Screw compressing apparatus, rotor temperature control apparatus Screw compressing apparatus, rotor temperature control apparatus

1990-06-04

1992-01-21

Hepperle, Stephen M.

Pumps

With condition responsive pumped fluid control

Pumped fluid temperature responsive

417 32, 417310, 418 15, 4182012, F04B 4906

Patent

active

050824279

ABSTRACT:
In the screw compressing apparatus, by rotating paired male and female rotors as meshing with each other, a gas is suctioned from a suction chamber into a working space, and compressed in the working space. The compressed high pressure gas is exhausted from a exhaust chamber, and then cooled by an aftercooler, thereby producing a low temperature, high pressure gas. In the compression process, the temperature of the gas in the working space becomes high at the exhaust chamber side. When this exhaust gas temperature reaches a predetermined value, a part of the gas cooled by an aftercooler is injected into the working space for lowering the temperture in the working space.

REFERENCES:
patent: 3795117 (1974-03-01), Moody et al.
patent: 3913346 (1975-10-01), Moody et al.
patent: 4475878 (1984-10-01), Kasuya et al.
patent: 4812110 (1989-03-01), Kubo et al.

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