Stirling engine power regulation system
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United States of America Patent
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-
Feb 21, 1989
Grant Date -
N/A
app pub date -
Jun 29, 1987
filing date -
Jun 29, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The power output of a free piston Stirling engine is regulated by a valve in the gas flow path from the cold space through the regenerator to the hot space. The valve causes restriction of the gas flow path as in response to piston excursion beyond a selected excursion amplitude. Increased excursion causes increased restriction. The result is that, for piston excursions beyond the selected amplitude, the power out diminishes for increased stroke making the engine stable with any load from zero to maximum and avoiding runaway.
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