Bi-directional converter between pressure and rotational force

Details Bi-directional converter between pressure and rotational force Bi-directional converter between pressure and rotational force

2008-09-05

2011-10-18

Davis, Mary A (Department: 3748)

Power plants

Combustion products used as motive fluid

External-combustion engine type

C123S238000, C418S196000, C418S206500

Reexamination Certificate

active

08037670

ABSTRACT:
A bi-directional converter between pressure and rotational force includes engaging rotation members that continue to rotate while being adjacent to each other without collision; the rotation members and an outer wall form an enclosed space; rotation shafts of the rotation members are mutually engaged by gear wheels; the rotation members are synchronized and rotate in opposite directions; the rotation members are rotated by a volume change of the enclosed space by application of pressure from outside; and the volume of the enclosed space is changed by rotational force to generate a pressure difference. The bi-directional converter includes an open-close mechanism opening and closing supply exhaust paths inside the rotation member and disposed to the rotation shaft or the outer wall according to a rotation angle.

REFERENCES:
patent: 597274 (1898-01-01), Engberg
patent: 1923500 (1933-08-01), Northey
patent: 2058817 (1936-10-01), Northey
patent: 2724340 (1955-11-01), Tryhorn
patent: 4432314 (1984-02-01), Pelekis
patent: 62-76202 (1987-05-01), None
patent: 9-264152 (1997-10-01), None
patent: 2005-315205 (2005-11-01), None
patent: 2007-224894 (2007-09-01), None

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