Pressure reducing valve

Details Pressure reducing valve Pressure reducing valve

2008-03-04

2008-03-04

Lee, Kevin (Department: 3753)

Fluid handling

Systems

Flow path with serial valves and/or closures

C137S505250, C251S284000

Reexamination Certificate

active

07337802

ABSTRACT:
A pressure reducing valve applied to products such as a water purifier, a bidet, a boiler, an instant water heater, and so on is provided. The pressure reducing valve has advantages of being capable of increasing productivity and reducing manufacturing cost of products by omitting a diaphragm, a metal poppet valve, and other parts which are essential in the conventional art. In addition, it is possible to prevent leakage of fluid from a peripheral connection part of the pressure reducing valve, and damage of the connection part due to high-pressure operation of the pressure reducing valve, thereby extending the lifespan of products.

REFERENCES:
patent: 4697619 (1987-10-01), Tiefenthaler
patent: 6675831 (2004-01-01), Sakaguchi et al.
patent: 6851447 (2005-02-01), Carroll
patent: 7080655 (2006-07-01), Jacksier et al.
patent: 200248701 (2001-09-01), None
patent: 200267751 (2002-02-01), None
patent: 1020050004538 (2005-01-01), None

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