Gerotor motor and improved valve drive and brake assembly theref

Details Gerotor motor and improved valve drive and brake assembly theref Gerotor motor and improved valve drive and brake assembly theref

1998-01-23

2000-02-29

Denion, Thomas

Rotary expansible chamber devices

Working member has planetary or planetating movement

Plural working members or chambers

418181, 418133, 417487, F01C 102

Patent

active

060301945

ABSTRACT:
A gerotor motor (11) of the type having a spool valve (45) disposed opposite a main drive shaft (35). The motor also includes a set of brake discs (104) in engagement with an extension (45e) of the spool valve (45), and a set of brake discs (106) in engagement with internal splines (108) defined by an end cap (41). A piston (109) operable to engage the brake discs (104,106) is disposed in a chamber defined by the valve housing section (19), disposed adjacent the end cap (41). A valve drive shaft (57) having splines (53) engaging the main drive shaft (35) at its rotating end (33), also has splines (55) engaging the spool valve (45) to transmit the pure rotation of the drive shaft (35) to the spool valve (45). The result is a very compact valve drive and brake arrangement.

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