Electrically operated switch-over valve

Details Electrically operated switch-over valve Electrically operated switch-over valve

2007-04-17

2007-04-17

Fox, John (Department: 3753)

Fluid handling

Systems

Multi-way valve unit

Reexamination Certificate

active

10545712

ABSTRACT:
A bottom wall11of a valve chamber13of an electric switching valve10includes a laminated structure having a bottom cover11to which pipe fittings14, 15, 16are connected; a valve seat19on which the valve ports19C,19D are opened and which an end wall of the valve body20slidably contacts; an intermediate plate17interposed between the bottom cover11and the valve seat19with communication openings17D,17E for connecting the pipe fittings15, 16to the valve ports19C,19D. At least one of the valve ports19C,19D is biased toward a rotation center of the valve body20against the center of the corresponding pipe fitting15, 16.

REFERENCES:
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patent: 2002-71035 (2002-03-01), None
patent: 2002-147897 (2002-05-01), None
patent: 2002-349744 (2002-12-01), None

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