Internal gear machine with rotary valve disk

Details Internal gear machine with rotary valve disk Internal gear machine with rotary valve disk

1981-10-07

1983-04-19

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Plural working members or chambers

418186, F01C 1113, F01C 2112, F03C 222, F04C 2113

Patent

active

043804209

ABSTRACT:
The hydraulic internal gear machine includes a positive displacement unit for the working fluid, the unit being formed of a rotary outer gear which is rigidly connected to a rotary control plate provided with control openings arranged between respective teeth of the outer gear. An inner gear surrounds the outer gear and meshes at one point with the latter to define a plurality of increasing fluid displacement chambers. The inner gear is supported in the machine housing for performing a circular wobbling movement about the center axis of the outer gear. A stationary control plate adjoins the rotary control plate and is provided with second control openings cooperating with the first control openings in the rotary plate. An axially movable plunger is spring-biased against the stationary control plate and forms with the housing cover two annular spaces connected respectively to the intake port and to the discharge port of the working fluid. Each annular space communicates with an assigned set of the second control openings in the stationary plate.

REFERENCES:
patent: 3453966 (1969-07-01), Eddy
patent: 3825376 (1974-07-01), Petersen et al.
patent: 3895888 (1975-07-01), Roberts
patent: 3899270 (1975-08-01), Swedberg
patent: 3905728 (1975-09-01), Swedberg
patent: 3944378 (1976-03-01), McDermott
patent: 4087215 (1978-05-01), Miller

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