Sealing mechanism in Stirling engine

Details Sealing mechanism in Stirling engine Sealing mechanism in Stirling engine

1990-11-05

1992-02-04

Ostrager, Allen M.

Power plants

Motor operated by expansion and/or contraction of a unit of...

Unit of mass is a gas which is heated or cooled in one of a...

F02G 104

Patent

active

050850547

ABSTRACT:
A sealing mechanism in a Stirling engine comprising, an output deriving device, a rod for connecting an operating piston defining an operating space and the output deriving device, an intermediate member for supporting the rod in fluid-tight manner via a bush, a sealing member secured to the intermediate member and including a lip in elastic engagement with the rod for assuring a fluid-tight fit, an intermediate chamber defined between the sealing member and the operating piston, a pressure chamber defined between the sealing member and the intermediate member, a first check-valve allowing fluid-flow from the intermediate chamber to the pressure chamber and a relief valve to be opened for releasing the pressure in the pressure chamber into a space for accommodating the output deriving device when the differential pressure exceeds a predetermined value.

REFERENCES:
patent: 3812677 (1974-05-01), Gries
patent: 3848877 (1974-11-01), Bengtsson et al.
patent: 4452042 (1984-06-01), Lindskoug
patent: 4483141 (1984-11-01), Kobayashi et al.

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