Internal-combustion engines – Starting device – Compression relieving type
Patent
1993-07-21
1994-06-07
Argenbright, Tony M.
Internal-combustion engines
Starting device
Compression relieving type
123196R, 123196CP, F01L 1308, F01M 102
Patent
active
053179994
ABSTRACT:
An internal combustion engine for portable power generating equipment includes a camshaft assembly having an integral gerotor oil pump at one end thereof. The camshaft, which is preferably formed of two dissimilar materials, is mounted for axial movement in response to increased oil pressure so as to provide automatic oil pressure regulation. Structure is provided for reducing engine compression at low speeds to reduce cranking resistance during starting. Speed control is provided by a stepper motor coupled through a cam to the engine throttle. The cam is shaped so as to counteract the non-linear relationship between throttle position and engine power and speed so as to provide a desired relationship between the position of the stepper motor and the engine power and speed.
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Hoenisch Herb
Kern Robert
Ruehlow Gerald
Sarder Mark
Argenbright Tony M.
Generac Corporation
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