Rotary expansible chamber devices – Working member has planetary or planetating movement – Plural working members or chambers
Patent
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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