Hydraulic motor or pump with movable wedge

Details Hydraulic motor or pump with movable wedge Hydraulic motor or pump with movable wedge

1975-01-16

1976-06-29

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Plural working members or chambers

418126, 418129, 418132, 418165, 418186, F01C 1904, F01C 1908, F01C 110, F04C 106

Patent

active

039663671

ABSTRACT:
In a fluid motor or pump, a combinaton is disclosed having an internal ring gear operably secured within a housing meshing with a pinion gear and having a wedge with a shape conforming to the outer peripheries of the ring and pinion gears to provide a sealing effect and pressure or suction chamber where the wedge has a piston end and porting in the tip thereof to create a hydrostatic pressure in an operable direction to overcome pressure from the chamber and means for supporting the pinion gearing and carrying the wedge in slidable relatonship where the mechanism receives fluid under pressure from a source to the pressure chamber and includes means for returning fluid to the source.

REFERENCES:
patent: 2311237 (1943-02-01), Loveday
patent: 2540235 (1951-02-01), Berkley
patent: 3151526 (1964-10-01), Van Hoene
patent: 3525581 (1970-08-01), Eckerle
patent: 3650643 (1972-03-01), Grennan et al.
patent: 3849039 (1974-11-01), Leidig
patent: 3873241 (1975-03-01), Motomura

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