Valve structure

Details Valve structure Valve structure

2006-10-09

2009-10-27

Fristoe, Jr., John K (Department: 3753)

Valves and valve actuation

With selective flow regulation

Rotary

C251S205000, C137S625310

Reexamination Certificate

active

07607639

ABSTRACT:
The present invention provides a rotary valve structure, which has a rotary water passage structure including a switching component and fixed hole. A first water-guide portion and second water-guide portion are placed laterally onto the switching component, whilst a first punch hole and second punch hole are placed separately onto the fixed hole. A coupling portion is placed between the first water-guide portion and second water-guide portion of the switching component. When the first water-guide portion and second water-guide portion of the switching component are placed opposite to the first punch hole and second punch hole of the fixed hole respectively, the first punch hole and second punch hole form a through-flow structure that prevents water from contacting the metal portions of the housing.

REFERENCES:
patent: 4205822 (1980-06-01), Bernat
patent: 5042529 (1991-08-01), Yeh
patent: 5094258 (1992-03-01), Orlandi
patent: 5107884 (1992-04-01), Orlandi
patent: 5190077 (1993-03-01), Pawelzik et al.
patent: 5402827 (1995-04-01), Gonzalez
patent: 5918626 (1999-07-01), Strong et al.
patent: 6279605 (2001-08-01), Wang
patent: 6845917 (2005-01-01), Chen
patent: 2005/0151106 (2005-07-01), He

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