Rotary expansible chamber devices – Nutating working member – Non-metallic working member or working chamber portion
Patent
1978-06-02
1980-10-21
Vrablik, John J.
Rotary expansible chamber devices
Nutating working member
Non-metallic working member or working chamber portion
418 53, F01C 100, F03C 200
Patent
active
042291500
ABSTRACT:
In a fluid driven, nutating action apparatus, comprising a motor housing with a wobble plate mounted therein for universal tilting movement and movable by the driving fluid through progressively changing tilt angles for a nutating action cycle, a new and improved means for preventing rotation of the wobble plate is disclosed. In accordance with known construction of fluid driven, nutating action motors, a dividing wall is arranged in the motor housing and extends from the top wall of the housing to the bottom wall thereof. The wobble plate includes a slot arranged to straddle the dividing wall. In accordance with the present invention, at least a portion of the edges of the slot are placed in a close bearing relation to the dividing wall. The dividing wall is arranged and configured whereby the close bearing relationship between the slot and the dividing wall is maintained for the entire nutating action cycle of the motor, providing a superior working action of the wobble plate.
REFERENCES:
patent: 1100635 (1914-06-01), Urkewitz
patent: 1875160 (1932-08-01), Ryder
Sempliner Arthur T.
Teague, Jr. Walter D.
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