Compressor integral with Stirling engine

Details Compressor integral with Stirling engine Compressor integral with Stirling engine

1991-03-20

1992-02-18

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 1043

Patent

active

050882848

ABSTRACT:
There is disclosed an oil-free compressor integral with a Stirling engine. The compressor is used as an air compressor or in air-conditioning equipment. The Stirling engine has a cylinder in which a displacer piston is slidable. An expansion space and a compression space are formed on opposite sides of the piston. The compressor comprises a first pressure chamber communicating with the compression space, a second pressure chamber connected with a Rankine heat pump circuit via valves, a first buffer chamber communicating with the compression space via a first orifice, and a second buffer chamber connected with the second pressure chamber via a second orifice. The first pressure chamber is partitioned from the second pressure chamber by a first diaphragm. The first buffer chamber is partitioned from the second buffer chamber by a second diaphragm. These two diaphragms are connected together by a rod such that they move together axially. The pressure acting on one side of each diaphragm is balanced by the pressure acting on the other side.

REFERENCES:
patent: 4751819 (1988-06-01), Eder

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