Automatic bleeder valve

Details Automatic bleeder valve Automatic bleeder valve

F - Mech Eng,Light,Heat,Weapons

16

K

137/8

F16K 24/04 (2006.01)

Patent

CA 1100386

ABSTRACT OF THE DISCLOSURE A vent valve in a hydraulic system opens, when the system is initially pressurized, to allow the escape of air or other gases and closes automatically after the air is expelled when the oil or other operating hydraulic fluid in the system enters the valve because of the greatly increased viscosity of the hydraulic fluid. The main valve member is a ball which is moved upwardly to engage a seat by the hydraulic fluid and the rate of flow around the ball is limited by the diameter of the passage and an inlet orifice to the passage. On the outlet side is a ball check valve which is spring-biased to prevent air from flowing in a reverse direction back into the system, and restricted diameter vents pro pro- a restriction on the flow of air out of the system and aid i preventing premature closing movement of the main valve ball under high volume flow conditions.

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