Rotary fluid displacing apparatus operable as pump or motor

Details Rotary fluid displacing apparatus operable as pump or motor Rotary fluid displacing apparatus operable as pump or motor

1977-03-31

1979-02-13

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Plural working members or chambers

F04C 2908

Patent

active

041393350

ABSTRACT:
A rotary fluid displacing apparatus operable as pump or motor comprises a housing in which a fluid displacing unit is arranged comprising an annular stator having a plurality of radially inwardly extending teeth and a rotor within the stator and having radially outwardly extending teeth numbering one tooth less than those of the stator, meshing with the teeth of the latter, and forming between the stator and the rotor spaces increasing and decreasing during rotation of the rotor. Flow of fluid into and out of these spaces is controlled by a stationary control plate and a rotary control disc, both of which are formed with a central opening through which a universal-joint shaft extends which, at one end is tiltably connected to a machine shaft mounted in the housing for rotation about a fixed axis. The rotor and the control disc are provided with internal gears meshing with external gear sets on the universal joint shaft to impart to the control disc a rotary and orbiting motion during rotation of the machine shaft.

REFERENCES:
patent: 3452680 (1969-01-01), White, Jr.
patent: 3601513 (1971-08-01), White, Jr.
patent: 3715175 (1973-02-01), Woodling
patent: 3887309 (1975-06-01), Easton

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