Phase transition type valve and method of manufacturing the...

Details Phase transition type valve and method of manufacturing the... Phase transition type valve and method of manufacturing the...

2007-04-30

2010-11-23

Nagpaul, Jyoti (Department: 1797)

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

C422S091000, C422S105000, C422S105000, C422S105000, C436S180000, C137S251100

Reexamination Certificate

active

07837948

ABSTRACT:
A phase transition type valve is provided. The valve includes a phase transition material filled and hardened in a section of a channel and a tube expanding region which has a larger cross-sectional area than the channel formed at both ends of the section in which the phase transition material is hardened.

REFERENCES:
patent: 4949742 (1990-08-01), Rando et al.
patent: 6302134 (2001-10-01), Kellogg et al.
patent: 2004/0089616 (2004-05-01), Kellogg et al.
patent: 2006/0093526 (2006-05-01), Faulstich et al.
patent: 0102737 (2001-01-01), None

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