F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
138/90, 138/84.1
F16K 15/18 (2006.01) F15B 15/20 (2006.01)
Patent
CA 1247984
ABSTRACT This invention relates to a valve suitable for location within a passage or bore of a piston or piston rod of a hydraulic ram assembly. The valve includes a valve body mountable in the bore or passage and a chamber provided in the valve body having a pair of fluid access ports preferably having a relatively narrow outer passage and an enlarged inner space which may function as a valve seat. There is also provided a pair of valve members wherein each valve member may co-operate with a respective valve seat to close or open same to fluid flow through the valve chamber. The arrangement is such that in operation fluid flow into the valve chamber may occur only from the pressure side of a piston or piston rod accommodating the rod through a proximal access port wherein a distal access port is closed whereby prior to impact of the piston upon an end of an associated hydraulic cylinder the distal access port is opened to permit fluid flow to occur therethrough to the non pressure side of the piston from the valve chamber.
467711
Delibes Pty. Ltd.
Oyen Wiggs Green & Mutala Llp
LandOfFree
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