Internal-combustion engines – Water and hydrocarbon
Reexamination Certificate
2007-05-22
2007-05-22
Kamen, Noah P. (Department: 3747)
Internal-combustion engines
Water and hydrocarbon
C123S07000R, C123S543000, C060S605100, C060S712000
Reexamination Certificate
active
11284021
ABSTRACT:
An internal combustion engine and method is disclosed wherein separate compression and power cylinders are used and a regenerator or pair of regenerators is mounted between them to provide heat for hot-air ignition. The single regenerator embodiment operates as a two-stroke cycle engine and the embodiment with an alternating pair of regenerators operates as a four-stroke cycle engine. The engine varies the amount of air entering the power cylinder to control the engine output during naturally aspirated operation using valve timing and/or volume control of dead space and can optionally include supercharging to control the engine at higher output levels.
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Kamen Noah P.
Roberts Mardula & Wertheim LLC
LandOfFree
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