Cross-over prevention valve

Details Cross-over prevention valve Cross-over prevention valve

2006-11-28

2006-11-28

Krishnamurthy, Ramesh (Department: 3753)

Fluid handling

Destructible or deformable element controlled

Destructible element

C251S066000, C251S305000

Reexamination Certificate

active

07140379

ABSTRACT:
A valve mechanism which is resiliently biassed towards a first position but is normally retained in a second position by means of a linkage including a chemically sensitive device which is arranged to release in the presence of a contaminant.

REFERENCES:
patent: 3472253 (1969-10-01), Bartz et al.
patent: 3586018 (1971-06-01), Bogardh et al.
patent: 3846795 (1974-11-01), Jones
patent: 4271120 (1981-06-01), Michaud
patent: 5036875 (1991-08-01), Thiltgen
patent: 5960811 (1999-10-01), Partridge
patent: 6644336 (2003-11-01), Dolan
patent: WO 00/55598 (2000-09-01), None

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