Motor vehicles – Power – Including traction motor of kind driven by noncompressible...
Patent
1990-09-11
1992-02-25
Olszewski, Robert P.
Motor vehicles
Power
Including traction motor of kind driven by noncompressible...
192 58R, 418227, B60K 800
Patent
active
050905015
ABSTRACT:
A rotary apparatus for use as a pump, motor, meter, or fluid brake is disclosed. A stationary base member has a circular fluid channel with a pair of spaced fluid inlet and outlet ports within the channel. A rotor having a hollow cylindrical body portion substantially surrounds the base member and encloses the channel and has one or more peg-like piston members extending inward from the inner periphery of the rotor. The pistons are received in the channel and separate the channel into one or more enclosed fluid chambers and sequentially pass over the inlet and outlet ports. A ring gear on the inner periphery of the rotor engages a smaller gear rotatably mounted on the base member which is connected to a disc-shaped divider for rotating the divider in timed relation with the rotor upon relative rotation. The divider rotates partially in the channel and is recessed on its side wall to receive and travel in coordinated movement with the pistons during travel in the channel. Fluid entering the channel through the inlet port occupies a chamber defined by the pistons and travels around the channel to exit the outlet port. The disc-shaped divider and piston cooperatively change the configuration of the inlet and outlet ports allowing fluid passage therethrough while maintaining constant separation between the incoming and outgoing fluid. Fluid entering the channel through the inlet port after passage of a piston will occupy a subsequent chamber defined by the piston just leaving the divider.
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Johnson Brian L.
Mosely Neal J.
Olszewski Robert P.
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