Motors: expansible chamber type – Three or more cylinders arranged in parallel radial or... – Cylinders parallel to rotation axis
Patent
1992-02-07
1993-10-05
Bertsch, Richard A.
Motors: expansible chamber type
Three or more cylinders arranged in parallel radial or...
Cylinders parallel to rotation axis
92 57, 417462, F01B 300
Patent
active
052495060
ABSTRACT:
A new kind of rotary piston machine with sealed work chambers and a wear resistant driving mechanism. Pivotal pistons move within respective cylinders and both the pistons and the cylinders revolve about circular orbits which are relative to one another. Both pistons and cylinders are included in a single piece rotor of unitary construction and can have either an axial or a radial configuration. Single-cylinder or multi-cylinder engines are included. This invention eliminates the necessity of piston bearings and thus, provides a wear-resistant, oil-free, driving mechanism. This invention further unites the sealing performance of the classical piston machine with the kinematic qualities of the rotary system. The solution is found through a suitable kinematic configuration providing mobility between the pistons and the cylinders which is crosswise to the stroke motion of the piston and is achieved through the use of crosswise elastic piston rods or other crosswise movable power transmission parts, excluding glidable or slidable parts, such as bearings. In a single cylinder machine, the piston is simply fastened rigidly to the shaft. This invention provides an oil-free displacement configuration useful in machines such as compressors, air motors, pumps, water-hydraulic motors, engines and the like.
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patent: 4800801 (1989-01-01), van Zweeden
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patent: 5070765 (1991-12-01), Parsons
Bertsch Richard A.
Kocharov Michael I.
Litman Richard
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