Method and a device for reducing the gap between a static part a

Details Method and a device for reducing the gap between a static part a Method and a device for reducing the gap between a static part a

1995-06-05

1997-03-18

Look, Edward K.

Rotary kinetic fluid motors or pumps

Smooth runner surface for working fluid frictional contact

4151701, 277203, 277 16, 277 22, F01D 136

Patent

active

056116594

ABSTRACT:
A method and device for reducing a gap between a static part and a movable part. The device is operated at cryo temperatures. A gap is defined between the static part and the movable part. A cryo coolant channel has a coolant fluid disposed therein. The channel is disposed in a housing wall of one of the static part and the movable part and is disposed adjacent to the gap. A gas is injected into the gap. The gas is condensable and has a liquid-solid conversion temperature above the temperature of the coolant fluid so that the gas becomes solid.

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patent: 3836156 (1974-09-01), Dunthorne
Patent Abstracts of Japan vol. 7, No. 145 (M-225)(1290) 24 Jun. 1983 & JP A 58 057 100 (Hitachi Seisakusho K.K) Apr. 5, 1983.

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