F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
F16K 17/04 (2006.01) F16K 31/126 (2006.01) F17D 5/06 (2006.01)
Patent
CA 2360706
A pressure relief valve for relieving excess pressure in a fluid distribution system comprising a valve body having an inlet port and an outlet port in communication with an interior of the valve body. The inlet port is connectable to the fluid distribution system. A valve member within the interior of the valve body is movable between a closed position to prevent fluid flow through the body and an open position to permit fluid flow. The valve member is exposed to a first opening force exerted directly by the pressure in the fluid distribution system. There is a movable piston/diaphragm member co-operating with the valve member such that the piston/diaphragm is exposed to the pressure in the fluid distribution system to provide a second opening force for the valve member. A biasing system exerts a default closing force to move the valve member to the closed position. The closing force is set to be equivalent to a pre-selected pressure in the fluid distribution system. The opening forces of the system pressure on the valve member are supplemented by the opening forces of the system pressure acting on the movable member to readily move the valve member to the open position whenever the pressure in the fluid distribution system exceeds the pre-selected pressure. The pressure relief valve can be used in both clean and dirty fluid applications. The valve unit provides quick detection and opening of the valve member to relieve overpressures in the fluid distribution system.
Blann Brian David Francis
Oksanen Kari Juhani
Blann Brian David Francis
Na
Oksanen Kari Juhani
LandOfFree
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