Stirling engine having platelet heat exchanging elements

Details Stirling engine having platelet heat exchanging elements Stirling engine having platelet heat exchanging elements

2005-08-23

2005-08-23

Nguyen, Hoang (Department: 3748)

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...

C060S517000

Reexamination Certificate

active

06931848

ABSTRACT:
The present invention provides heat exchanging elements for use in Stirling engines. According to the present invention, the heat exchanging elements are made from muliple platelets that are stacked and joined together. The use of platelets to make heat exchanging elements permits Stirling engines to run more effiecient because the heat transfer and combustion processes are improved. In one embodiment, multi-stage combustion can be introduced with platlets, along with the flexibility to use different types of fuels. In another embodiment, a single component constructed from platelets can provide the heat transfer rquirements betweeen the combustion gas/working gas, working gas in the regenerator and the working gas/coolant fluid of a Stirling engine. In another embodiment, the platelet heat exchanging element can recieve solar energy to heat the Stirling engine's working gas. Also, this invention provides a heat exchanging method that allows for multiple fluids to flow in opposing or same direction.

REFERENCES:
patent: 3994136 (1976-11-01), Polster
patent: 4524583 (1985-06-01), Scheibengraber
patent: 5935489 (1999-08-01), Hershkowitz et al.
patent: 6051331 (2000-04-01), Spear et al.
patent: 6267912 (2001-07-01), Hershkowitz et al.
patent: 6513326 (2003-02-01), Maceda et al.

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