Multi-way valve

Details Multi-way valve Multi-way valve

2006-11-15

2010-06-01

Rivell, John (Department: 3753)

Fluid handling

Systems

Multi-way valve unit

C137S625690

Reexamination Certificate

active

07726341

ABSTRACT:
A multi-way valve has a housing with a stepped bore forming two piston guiding regions and a shoulder ring with two sealing shoulders. The housing also has a first, second and central transverse bores which are spaced along the cylindrical bore. A contact piston has a piston rod and sealing members secured thereon. The guide members are pressed fit onto opposite ends of the piston rod.

REFERENCES:
patent: 3043335 (1962-07-01), Hunt
patent: 3131722 (1964-05-01), Abbott et al.
patent: 3347259 (1967-10-01), Lansky et al.
patent: 3458769 (1969-07-01), Stampfli
patent: 4978130 (1990-12-01), Farler
patent: 6237635 (2001-05-01), Nambu
patent: 3502589 (1986-08-01), None
patent: 3744026 (1988-07-01), None
patent: 1604915 (1972-06-01), None
patent: 01229176 (1989-09-01), None

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