Fluid handling – Systems – Multi-way valve unit
Patent
1998-02-14
2000-04-11
Shaver, Kevin
Fluid handling
Systems
Multi-way valve unit
2511291, F15B 1304
Patent
active
060477350
ABSTRACT:
A solenoid-operated fluid switching valve is described with a movable valve member and a stationary member; the movable member containing at least 2 valve elements that seat in the closed position against valve seating elements, the valve and valve seating elements being made from components that can be precisely matched in thickness and interleaved so that all pairs of elements open and close essentially simultaneously. The solenoid portion can consist of at least 2 armature elements connected by a spacer and at least 2 stator elements connected by a spacer, all of which made from magnetically permeable material, and one or more electrical coils located within the envelope; the armature and stator elements interleaved in a way to create at least 2 substantially equal gaps so the armature is urged in one direction when electrical current is applied to the coils.
REFERENCES:
patent: 332855 (1885-12-01), Worthen
patent: 1193577 (1916-08-01), McGowan
patent: 3275964 (1966-09-01), Kumm
patent: 5249603 (1993-10-01), Byers, Jr.
patent: 5255641 (1993-10-01), Schechter
patent: 5615708 (1997-04-01), Barron
Shaver Kevin
Welsh John P.
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