Temperature-controlled apparatus for fluid permeation or the lik

Details Temperature-controlled apparatus for fluid permeation or the lik Temperature-controlled apparatus for fluid permeation or the lik

1974-01-03

1977-07-19

Miles, Tim R.

Gas and liquid contact apparatus

Contact devices

Porous sheet

73 1R, 219343, 261130, 261142, 261154, B01F 304

Patent

active

040369153

ABSTRACT:
Precisely controlled permeation of a fluid into a carrier gas is provided in a temperature-controlled enclosure. A cylindrical housing has its side wall spaced from the side wall of a hollow cylindrical core contained therein to provide a thin flow passage therebetween for the carrier fluid. An electric heater coil is wound about the exterior of the housing to supply heat to the carrier fluid in the passage, and the core has a port at one end thereof for providing communication between the passage and the hollow interior of the core, in which a permeation tube is supported. The heater power output is controlled in response to a temperature sensor within the core so that the carrier fluid is heated and its temperature is precisely controlled. The exterior of the housing is insulated from ambient to maintain stable temperature conditions.

REFERENCES:
patent: 1798065 (1931-03-01), Clark
patent: 2358285 (1944-09-01), Johnson
patent: 2430841 (1947-11-01), Wulfhorst
patent: 2612357 (1952-09-01), Parks
patent: 2939311 (1960-06-01), Booth
patent: 3316166 (1967-04-01), Bergson et al.
patent: 3435592 (1969-04-01), Lindenmaier et al.
patent: 3516278 (1970-06-01), Klein et al.
patent: 3520194 (1970-07-01), Adams
patent: 3618911 (1971-11-01), Martin
patent: 3758081 (1973-09-01), Prudhon
patent: 3824836 (1974-07-01), Lyshkow
patent: 3833016 (1974-09-01), Lucero et al.

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