Spline reduction extension for auxilliary drive component

Details Spline reduction extension for auxilliary drive component Spline reduction extension for auxilliary drive component

1992-12-21

1993-07-20

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Plural working members or chambers

F03C 208

Patent

active

052288463

ABSTRACT:
A gerotor motor is disclosed of the type including a stationary, internally-toothed ring member (21;221) and an externally-toothed star member (23;223) orbiting and rotating within the ring member. The motor is of the type utilizing a valving member (53;253) of the "low-speed" type, which rotates at the speed of rotation of the star member. The star member defines internal splines (43;243) and in engagement therewith is an insert member (79;279) which is, in turn, in splined engagement with a valve drive shaft (47;247). The insert member (79;279) extends axially beyond the star member and is received within an adjacent annular recess (85;285), thus maximizing the spline length available for engagement with the main drive shaft (39;239), and maximizing the torque capacity of the motor.

REFERENCES:
patent: 3680987 (1972-08-01), Ohrberg
patent: 4435130 (1984-03-01), Ohrberg et al.
patent: 4992034 (1991-02-01), Uppal
patent: 5056994 (1991-10-01), Eisenmann et al.

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