Thermal control system and method

a technology of temperature control and system, applied in the direction of fluid circulation arrangement, refrigeration machines, lighting and heating apparatus, etc., can solve the problems of unstable loop gain of servo system, time delay in cooling load, etc., to reduce the amount of cooling available, shorten response time, and improve the effect of temperature control
US20070095097A1Inactive Publication Date: 2007-05-03ADVANCED THERMAL SCI
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Applications(United States)
Current Assignee / Owner
ADVANCED THERMAL SCI
Publication Date
2007-05-03
Estimated Expiration
Not applicable · inactive patent

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Abstract

Improvements in systems and methods which employ a two-phase fluid, such as a refrigerant, as a saturable fluid in direct heat transfer relation to a thermal load, are realized by extraction of vapor from the saturated fluid before heat exchange. Moreover, automatic changing of the paths under command of a controller enables charges to be effected between different modes at higher rates than in other systems by employing the variety of modes available in the direct transfer system.
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Description

REFERENCE TO PRIOR APPLICATIONS

[0001] This invention relies for priority on previously filed application Ser. No. 11 / 057,383 of Kenneth W. Cowans et al, filed Feb. 15, 2005 and entitled “Thermal Control System and Method”, and on provisional application 60 / 733,078 filed Nov. 4, 2005 by Kenneth W. Cowans et al and entitled “Thermal Control System and Method”.BACKGROUND OF THE INVENTION

[0002] The above mentioned utility application of Cowans et al discloses a system and method of temperature control in which the temperature of a load is varied by thermal exchange with a saturated fluid directly, without requiring an intervening heat transfer fluid. Typically the saturated fluid is a refrigerant used in pure gas phase, or pure liquid phase, or more often in a mixed or saturated phase. In accordance with the invention, the vaporizable refrigerant is processed through substantially conventional compression and condensation steps as provided by commercially available equipment. However,...

Claims

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