Freeze valve and treatment enclosure controlled by at least one

Details Freeze valve and treatment enclosure controlled by at least one Freeze valve and treatment enclosure controlled by at least one

1996-02-12

1999-11-23

Rivell, John

Fluid handling

Processes

Affecting flow by the addition of material or energy

1372511, 137341, 137828, F17D 118, F16K 4900

Patent

active

059881976

ABSTRACT:
A freeze valve for a substantially single-phase fluid contains a pipe designed to receive fluid in a flow area, a cold source and a heat source. The cold source and the heat source are placed in thermal contact with the pipe. The pipe is positioned in relation to the cold source and the heat source in such a way so as to permit the freezing of fluid passing through the pipe, thereby closing the passage through the pipe, or the heating of the fluid, thereby opening the passage. The pipe contains, for example, a metallic material that is mechanically strong and capable of dissipating heat by the Joule effect.

REFERENCES:
patent: 338447 (1886-03-01), Snee
patent: 3712322 (1973-01-01), Cleary
patent: 4082109 (1978-04-01), Sun et al.
patent: 4203472 (1980-05-01), Dulaney
patent: 4766922 (1988-08-01), Kaartinen et al.
patent: 4989626 (1991-02-01), Takagi et al.
patent: 5101848 (1992-04-01), Kojima et al.

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