Gear-type machine with flattened cycloidal tooth shapes

Details Gear-type machine with flattened cycloidal tooth shapes Gear-type machine with flattened cycloidal tooth shapes

1992-12-14

1994-11-29

Bertsch, Richard A.

Rotary expansible chamber devices

Moving cylinder

Rotating

418150, 418190, F01C 110

Patent

active

053684559

ABSTRACT:
In a gear-type machine, in particular in a ring gear pump with internally toothed ring gear meshing with a pinion having only one tooth less, for reducing the noise the pinion teeth are only half as wide as the internally toothed ring gear teeth and the cycloids are flattened in order to ensure adequate free passage of the teeth heads opposite the point of deepest teeth engagement in spite of minimum clearance.

REFERENCES:
patent: 2344628 (1944-03-01), Monahan
patent: 4922781 (1990-05-01), Peiji
patent: 5163826 (1992-11-01), Cozens
patent: 5226798 (1993-07-01), Eisenmann
Myron R. Hill, Kinematics of Gerotors, Second Edition, Chapter VIII, published by The Peter Reilly Company, Philadelphia, pp. 9-11 and 39-43.

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