Regulator valve for an ink marking system

Details Regulator valve for an ink marking system Regulator valve for an ink marking system

F - Mech Eng,Light,Heat,Weapons

04

C

101/96.0218

F04C 15/00 (2006.01) B41J 2/175 (2006.01)

Patent

CA 1316390

ABSTRACT OF THE DISCLOSURE A unitary pump, regulator valve/pulsation dampener, and interconnecting passageways is provided. The regulator valve/pulsation dampener includes a flexible member disposed in a chamber arranged between the fluid input and fluid output. The diaphragm flexes as a function of the pressure in the chamber to control the opening and closing of a bypass valve member and, in addition, damps out both high and low frequency pulsations generated in the ink by the pump. When the pressure in the system increases beyond a predetermined limit the valve member is opened to divert some of the fluid flow into a bypass passageway until the pressure falls below the predetermined limit. The pressure limit in the system can be varied by adjusting the external pressure applied to the flexible member using an adjustment screw and compression spring.

595045

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