Screw fluid machine with high efficiency bore shape

Details Screw fluid machine with high efficiency bore shape Screw fluid machine with high efficiency bore shape

1987-10-23

1990-10-16

Vrablik, John J.

Rotary expansible chamber devices

Heat exchange or non-working fluid lubricating or sealing

418194, 4182013, F01C 116, F01C 1900, F01C 2110, F04C 1816

Patent

active

049630792

ABSTRACT:
A screw fluid machine in which the distance between a point on each of bore walls and the axis of a male or female rotor decreases at a normal temperature in the vicinity of a high-pressure port as the point proceeds from the low-pressure side to the high-pressure side.

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