Stabilizing gas bearing in free piston machines

Details Stabilizing gas bearing in free piston machines Stabilizing gas bearing in free piston machines

1990-11-30

1992-08-25

Denion, Thomas E.

Expansible chamber devices

With means to control fluid flow from non-working chamber

92 865, 92159, 92160, 92162R, 277 3, 277 28, 60517, F15B 2104

Patent

active

051409054

ABSTRACT:
In a free piston engine, to reduce dynamic loads on the reciprocating elements caused by a time varying pressure gradient across the gas bearing and close clearance seals provided therein, drain galleries are incorporated at the ends of the gas bearings to isolate the same, and circumferentially spaced grooves are incorporated in the close clearance seal region.

REFERENCES:
patent: 3364675 (1968-01-01), Dorer
patent: 3777722 (1973-12-01), Lenger
patent: 4245844 (1981-01-01), Pohl et al.
patent: 4304410 (1981-12-01), Erickson et al.
patent: 4474106 (1984-10-01), Durenec
patent: 4545738 (1985-10-01), Young
patent: 4623151 (1986-11-01), Kashiwamura et al.
patent: 4644851 (1987-02-01), Young
patent: 4802332 (1989-02-01), Beale

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