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...
Patent
1994-11-04
1996-07-09
Heyman, Leonard E.
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...
60519, F02G 1043
Patent
active
055333354
ABSTRACT:
A cam driving apparatus for a Stirling cycle module in which a circumferential surface of a rotary cam is equipped with an upper cam curve profile and a lower cam curve profile thus achieving a light and compact cam module. It includes a displacer disposed inside a cylinder for controlling a flow of active gas in the cylinder of a Stirling cycle module; a piston, disposed below the displacer, for controlling a flow of active gas in a cylinder of a Stirling cycle module, a cylindrical rotary cam equipped with a circumferential cam groove having an upper cam curve profile and a lower cam curve profile which have a predetermined width and depth therebetween; a displacer connecting rod drivingly connecting the cylindrical cam and the displacer and including a plurality of displacer connecting rod bearings at driving ends thereof; a piston connecting rod drivingly connecting the cylindrical cam and the piston and including piston connecting rod bearings at driving ends thereof; and a guide member disposed between the piston and the cam and including a piston connecting rod guiding grooves and a displacer connecting rod guiding groove formed therethrough.
REFERENCES:
patent: 2475770 (1949-07-01), Wijsman
patent: 3385051 (1968-05-01), Kelly
patent: 5442913 (1995-08-01), Cho et al.
Goldstar Co. Ltd.
Heyman Leonard E.
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