Governor mechanism for a rotary device

Rotary kinetic fluid motors or pumps – With control means responsive to non-cyclic condition... – Centrifugally initiated valve controlling fluid flow in...

Reexamination Certificate

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Details

C415S036000, C415S904000

Reexamination Certificate

active

06241464

ABSTRACT:

BACKGROUND OF THE INVENTION
The present invention generally relates to a governor mechanism for controlling the rotational speed of a rotary device by a centrifugally operated valve means adapted to vary flow of pressurized fluid passing through the governor mechanism. Representation of prior art relating to this general type of mechanism include U.S. Pat. Nos. 444,938; 3,733,143; 4,087,198; 4,776,752; 5,496,173; and 5,567,154.
SUMMARY OF THE INVENTION
The present invention relates to a governor mechanism adapted in the first instance for use in effecting rotation of a drive shaft in response to the discharge of pressurized fluid from the mechanism through one or more reaction nozzles, wherein flow of fluid to the nozzles is controlled by a resiliently deformable member having at least one valve portion carried by a ring-shaped mounting portion and supported by a guide for radially directed sliding movements in response to changes in the rotational speed of the drive shaft.
In alternative embodiments, the governor is co-axially mounted on a drive shaft with a fluid operated, vane-type drive motor, and the resiliently deformable member is employed to control the flow of pressurized fluid employed to operate the motor.


REFERENCES:
patent: 444938 (1891-01-01), Kinkaid
patent: 3733143 (1973-05-01), Theis, Jr.
patent: 4087198 (1978-05-01), Theis, Jr.
patent: 4776752 (1988-10-01), Davis
patent: 5496173 (1996-03-01), Wohlgemuth
patent: 5567154 (1996-10-01), Wohlgemuth
patent: 2275971 (1994-09-01), None
patent: WO 88/06676 (1988-09-01), None

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