F - Mech Eng,Light,Heat,Weapons – 04 – D
Patent
F - Mech Eng,Light,Heat,Weapons
04
D
230/39
F04D 17/06 (2006.01)
Patent
CA 1216562
ABSTRACT OF THE DISCLOSURE A screw comprssor having a recess formed in the high-pressure end surface of the casing. This recess receives the fluid from a closed working space which has just been isolated from the discharge port and closed in the compression step. Consequently, the abnormal pressure rise in the closed working space, which is caused due to the compression of the fluid confined, is completely eliminated. The recess has a configuration involving a curve conforming with the leading flank of the female rotor at the instant at which the working space is isolated from the discharge port and closed.
446909
Fujiwara Mitsuru
Torigoe Taisuke
Hitachi Ltd.
Kirby Eades Gale Baker
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