F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
103/43
F04B 17/04 (2006.01)
Patent
CA 1273243
ABSTRACT OF THE DISCLOSURE The invention is a high pressure fluid pump having a housing which consists of an inlet member having an inlet port, an outlet member having an outlet port, and a cylindrical sleeve connecting the inlet and outlet mem- bers. A telescoping cylinder assembly having a stationary member and a telescoping member are disposed in the cylindrical sleeve. The stationary member has a cylindrical portion and a radial flange brazed to the cylindri- cal sleeve at the end adjacent to the outlet port. The telescoping member has a cylindrical portion and a radial flange slidably received in the cylindrical sleeve. One of the cylindrical portions of the stationary and telescoping members is slidably received in the other. A magnetically per- meable cylindrical armature is disposed in the cylindrical sleeve cir- cumscribing the cylindrical portions of the stationary and telescoping members between the radial flanges. A resilient means, such as a coil spring, is provided for biasing the telescoping member and the armature towards the outlet port. A solenoid coil circumscribing the cylindrical sleeve is provided for generating a magnetic field operative to displace the armature towards the inlet port. The armature engages the radial flange of the telescoping member and displaces it toward the inlet port. Inlet valve means are attached to the end of the telescoping member adjacent to the inlet port. The inlet valve means is actuated to an open position in response to the telescoping member being displaced towards the inlet port. Outlet valve means, having a flat elastomeric valve member, is disposed at the end of the stationary member adjacent to the outlet port. The flat elastomeric valve member is resiliently biased to seal the opening of the stationary member's cylindrical portion and is displaced to an open position in response to the fluid pressure inside the cylindrical portion of the sta- tionary member exceeding a predetermined value.
544036
Facet Holding Co. Inc.
Marks & Clerk
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