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
1986-06-25
1987-11-17
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
047064579
ABSTRACT:
Described is a working gas pressure control apparatus for a Stirling engine including a pressure boost valve provided in a minimum cycle pressure line connected to a working space by a first unidirectional valve, a pressure reducing valve provided in a maximum cycle pressure line connected to the working space by a second unidirectional valve, an operating lever for controlling the opening and closing of the pressure boost and pressure reducing valves, a compressor connected by the pressure reducing and the pressure boost valve to the cycle pressure lines, an unloading valve arranged in a circuit short-circuiting suction and discharge lines of the compressor, and a control unit for opening the unloading valve when engine rpm falls to a value lower than a preset rpm for engine idling, when the pressure boost valve is open and when the engine is operating in the steady state, thereby minimizing compressor load.
REFERENCES:
patent: 3372539 (1968-03-01), Reinhoudt
patent: 3458994 (1969-08-01), Heffner
patent: 3466867 (1869-09-01), Brandes
patent: 3550371 (1970-12-01), Jaspers
patent: 3554672 (1971-01-01), Brandes
patent: 3600886 (1971-08-01), Jaspers
Hayashi Tatsuya
Hyodo Masaya
Naito Yoshihiro
Tsunekawa Masaru
Aisin Seiki Kabushiki Kaisha
Kabushiki Kaisha Toyoda Jidoshokki Seisakusho
Ostrager Allen M.
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