Multiple stage fluid pressure governor having two break points

Details Multiple stage fluid pressure governor having two break points Multiple stage fluid pressure governor having two break points

1980-09-23

1982-04-06

Nilson, Robert G.

Fluid handling

Speed responsive valve control

Centrifugal mass type

73537, 73539, G05D 1338

Patent

active

043230938

ABSTRACT:
A flyweight governor valve assembly having a fluid pressure modulator valve element mounted within a valve chamber for axial movement, a first set of primary and secondary weights mounted on a valve sleeve that forms a part of the governor valve assembly, a second set of primary and secondary weights mounted on said sleeve for rotation about the axis of said valve assembly. A spring acting between the primary and secondary weights of each set of weights, the primary weight for one set being separated from its corresponding second weight at a first brake point speed and a primary weight of the second set of weights being separated from its associated second weight at a second brake point speed, each set of weights being pivotally carried by a lever, the operating end of which engages the valve element whereby centrifugal force acting on said weight are translated to axial shifting movement of said valve element to oppose fluid pressure forces acting thereon.

REFERENCES:
patent: 2762384 (1956-09-01), Rosenberger
patent: 3043322 (1962-07-01), Schulz
patent: 3049028 (1962-08-01), English et al.
patent: 3420251 (1969-01-01), Forster et al.
patent: 3431929 (1969-03-01), Croswhite et al.
patent: 3559667 (1968-12-01), Koivunen
patent: 3566894 (1971-03-01), Satoh
patent: 3677277 (1972-07-01), Hirozawa et al.
patent: 3906975 (1975-09-01), Craig
patent: 4123942 (1978-11-01), Rumyantsev
patent: 4164235 (1979-08-01), Benson

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