Multiway valve

Details Multiway valve Multiway valve

2006-11-28

2006-11-28

Fox, John (Department: 3753)

Fluid handling

Systems

Multi-way valve unit

C251S011000, C060S527000

Reexamination Certificate

active

07140391

ABSTRACT:
A multiway valve contains a housing having several inlets and outlets and a chamber. Several seats are provided and each is respectively associated with one inlet or one outlet. A closure element is provided which can move between the seats and at least one actuator is provided in the form of an element made of a form memory alloy, able to displace the closure element from one of the seats when heating occurs. A spring element presses the closure element against each respective seat that it engages.

REFERENCES:
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patent: 4736587 (1988-04-01), Suzuki
patent: 4772807 (1988-09-01), Bouvot
patent: 4887430 (1989-12-01), Kroll et al.
patent: 4973024 (1990-11-01), Homma
patent: 5083439 (1992-01-01), Orner et al.
patent: 5189991 (1993-03-01), Humburg
patent: 5318268 (1994-06-01), Cox et al.
patent: 198 22 735 (1999-11-01), None
patent: 1 226 481 (1971-03-01), None

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