Motors: expansible chamber type – Fluid supply through diverse paths to single expansible chamber – Selective cyclic and noncyclic operation or parking
Patent
1984-06-21
1986-12-30
Garrett, Robert E.
Motors: expansible chamber type
Fluid supply through diverse paths to single expansible chamber
Selective cyclic and noncyclic operation or parking
91291, 91316, 91319, 91322, F01L 2504
Patent
active
046320130
ABSTRACT:
A reciprocating piston fluid powered motor having fluid inlet and outlet, wherein reciprocation is controlled by a reciprocable valve spool carrying a manifold communicating with said fluid inlet and outlet and cooperating with a valve slide shiftable on said valve spool to control reciprocation of said valve spool.
REFERENCES:
patent: 643732 (1900-02-01), Rhodes
patent: 785172 (1905-03-01), Kasai
patent: 1577914 (1926-03-01), Le Cain
patent: 2404747 (1946-07-01), Sacchini
patent: 2487113 (1949-11-01), Doyle
patent: 3165978 (1965-01-01), Ruden et al.
Forsythe Alan K.
Frigon Richard
Garrett Robert E.
Hall James D.
Sprague Devices, Inc.
Williamson Mark A.
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