Patent ID: 6612335
Filing Date: 2003-09-02
Classification: F16K,Y10T

Abstract:
A 3-way hydraulic valve comprising a body formed with an inlet port for connecting to a pressurized supply line, a first outlet port for connecting to an outlet line and being in flow communication with the inlet port, a gate intermediate the inlet port and the first outlet port, dividing the body into an inlet chamber and an outlet chamber, the body further comprises a second outlet port extending from the outlet chamber, a control chamber fitted with a deformable diaphragm engageable with the gate so as to prevent flow between the inlet port and the first outlet port, and a sealing port associated with the second outlet port and comprising a sealing member linearly displaceable between a closed and an open position, said sealing member being associated with the diaphragm so that when the diaphragm engages the gate said sealing port is open and when the diaphragm disengages from the gate said sealing port is closed by said sealing member, wherein the peripheral portion of the deformable diaphragm is secured to a valve housing, and the sealing member is engaged with the diaphragm by a linking element having at least two degrees of freedom.