Motors: expansible chamber type – Three or more cylinders arranged in parallel radial or... – Separate motive fluid control for each working chamber
Patent
1984-05-21
1986-07-08
Freeh, William L.
Motors: expansible chamber type
Three or more cylinders arranged in parallel radial or...
Separate motive fluid control for each working chamber
91491, 91493, 417273, 417334, 60370, 60398, 60408, F01B 1306
Patent
active
045986282
ABSTRACT:
A rotary hydraulic engine is disclosed having a stationary crankshaft with an eccentric crank portion disposed thereon. A housing is rotatable about the crankshaft. At least two pairs of cylinders are connected to the housing and extend quadrilaterally therefrom. A piston is slidingly disposed within each cylinder, and is connected to an oppositely disposed piston so as to move in tandem when propelled by a fluid under pressure. An external valve mechanism is provided which is connected to the cylinders so as to sequentially actuate the pistons contained therein when supplied with fluid under pressure. A scotch yoke assembly integrates the motion of the pairs of pistons into a balanced array of weight and force vectors rotating around the axis of the eccentric crank portion of the stationary crankshaft. This sequential reciprocation of the pairs of pistons imparts a rotary motion to the housing, the rotary motion in turn causing the housing to act as a flywheel. A transmission mechanism such as a belt drive is attached to the housing for conveying rotary motion to a desired mechanical apparatus, or alternatively for driving the engine. As a result, the engine may be driven by an external source of energy such as wind for compressing air, and later selectively driven by the compressed air collected.
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4 Square Motors
Freeh William L.
Neils Paul F.
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