The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 13, 2013

Filed:

Oct. 11, 2010
Applicants:

Thomas Gielda, Saint Joseph, MI (US);

Kristian Debus, Petaluma, CA (US);

Jay Harman, San Rafael, CA (US);

Don Tomasi, Stevensville, MI (US);

Inventors:

Thomas Gielda, Saint Joseph, MI (US);

Kristian Debus, Petaluma, CA (US);

Jay Harman, San Rafael, CA (US);

Don Tomasi, Stevensville, MI (US);

Assignee:

Pax Scientific, Inc., San Rafael, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F25D 23/12 (2006.01); F25B 1/00 (2006.01); H01M 10/50 (2006.01);
U.S. Cl.
CPC ...
Abstract

A battery cooling system operates by pumping liquid through a cooling fluid circulation path. Because the battery cooling system pumps liquid, the compression system that generates the cooling power does not require the use of a condenser. The compression system utilizes a compression wave. An evaporator of the cooling system operates in the critical flow regime in which the pressure in an evaporator tube will remain almost constant and then 'jump' or 'shock up' to an increased pressure.


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