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
1987-03-26
1988-03-22
Husar, Stephen F.
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...
60525, F02G 106
Patent
active
047320001
ABSTRACT:
A Stirling engine control apparatus includes a pressure reducing valve provided in a maximum cycle pressure line connecting a working space to a working gas compressor via a first check valve, a pressure boost valve provided in a minimum cycle pressure line connecting the working space to the working gas compressor via a second check valve, an operating lever pivotable about a movable fulcrum for controlling opening and closing of the pressure reducing valve and the pressure boost valve, an electronic control circuit for driving a motor adapted to move the pivot point, and an unload valve provided in a line shorting intake and discharge sides of the compressor. The electronic control circuit is adapted to move the movable pivot point so as to control working gas pressure in accordance with a reference target pressure decided by engine rotating speed and amount of operating lever displacement in neutral and parking ranges, and in accordance with a practical target pressure obtained by adding a pressure increment to the reference target pressure in a drive range.
REFERENCES:
patent: 3371491 (1968-03-01), Pinter
patent: 3372539 (1968-03-01), Reinhoudt
patent: 3458994 (1969-08-01), Heffner
patent: 3466867 (1969-09-01), Brandes
patent: 3550371 (1970-12-01), Jaspers
patent: 3554672 (1971-01-01), Brandes
patent: 3600886 (1971-08-01), Jaspers
patent: 4677824 (1987-07-01), Hasegawa
"Automotive Technology Development Contractors' Coordination Meeting", Oct. 26-29, 1981, Nineteenth Summary Report, pp. 188-195.
Aisin Seiki Kabushiki Kaisha
Husar Stephen F.
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