Rotary expansible chamber devices – Non-metallic working member – cylinder or partition – Resilient
Patent
1991-04-03
1992-11-17
Bertsch, Richard A.
Rotary expansible chamber devices
Non-metallic working member, cylinder or partition
Resilient
418154, 418176, 418268, F01C 118
Patent
active
051638258
ABSTRACT:
An articulated air vane air or hydraulic motor has a rotor core disposed coaxially in a cylindrical housing, with a plurality of articulating vanes that seat in axial sockets or slots in the rotor core. A crescent shaped insert defines a cam surface in the chamber between the housing and the core. Inlet and exhaust ports are formed either in the housing cylinder or in the end plates. Vane wear is significantly reduced and injected lubricant is not required. The vanes can be generally P-shaped in cross section, with stop structure to limit the articulating motion.
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Bertsch Richard A.
Cavanaugh David L.
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