F - Mech Eng,Light,Heat,Weapons – 15 – B
Patent
F - Mech Eng,Light,Heat,Weapons
15
B
137/94
F15B 13/042 (2006.01) F15B 13/04 (2006.01)
Patent
CA 1240237
ABSTRACT A remote valve positioning apparatus is provided in which a valve spool is resiliently loaded at each end to a normal position, hydraulic fluid is delivered selectively to one end or the other of the valve spool at a fixed flow and the valve is positioned by pressure drop caused by the fixed flow over an orifice proportional to the stroke of the valve spool.
475534
Commercial Shearing Inc.
Smart & Biggar
LandOfFree
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