Folding-unfolding rotating flap meter-motor-pump

Details Folding-unfolding rotating flap meter-motor-pump Folding-unfolding rotating flap meter-motor-pump

1993-01-25

1993-12-14

Bertsch, Richard A.

Rotary expansible chamber devices

Abutment or vane has concurrent rocking and radially sliding...

418234, 73253, F01C 100, F03C 200

Patent

active

052696685

ABSTRACT:
A positive displacement fluid handling apparatus comprises a body including a circular cylindrical cavity with two closed ends and two port openings respectively open to the two opposite halves of the circular cylindrical cavity; a flap assembly including a plurality of flaps disposed in the circular cylindrical cavity in a radiating pattern and supported by the body rotatably about a first axis of rotation concentric to the circular cylindrical cavity in an independently rotatable arrangement, wherein the outer radial edges of the flaps slide on the circular cylindrical wall of the circular cylindrical cavity and the inner radial edges of the flaps are assembled in a radially converging leak-proof assembly; and a flap spacer assembly including a plurality of rollers or spacers disposed on a circular cylindrical surface enclosing the first axis of rotation and coaxial to a second axis of rotation eccentric to the circular cylindrical cavity and supported by the body rotatably about the second axis of rotation, wherein the individual flaps engage and extend respectively through every other spacings between the rollers or spacers, while the remaining spacings between the rollers or spacers not engaged by any flaps provides vent openings for the fluid to move in and out of the cylindrical boundary of the flap spacer assembly.

REFERENCES:
patent: 3797975 (1974-03-01), Keller
patent: 3954357 (1976-05-01), Ziehl

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