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:
Oct. 02, 2018

Filed:

Oct. 11, 2010
Applicants:

Hans-joachim Huff, Maninz, DE;

Lucy Yi Liu, Fayetteville, NY (US);

Suresh Duraisamy, Liverpool, NY (US);

Zvonko Asprovski, Liverpool, NY (US);

Mark S. Rogers, Hastings, NY (US);

Keonwoo Lee, Manlius, NY (US);

Inventors:

Hans-Joachim Huff, Maninz, DE;

Lucy Yi Liu, Fayetteville, NY (US);

Suresh Duraisamy, Liverpool, NY (US);

Zvonko Asprovski, Liverpool, NY (US);

Mark S. Rogers, Hastings, NY (US);

KeonWoo Lee, Manlius, NY (US);

Assignee:

CARRIER CORPORATION, Farmington, CT (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F25B 49/02 (2006.01); F25B 41/04 (2006.01); F25B 1/00 (2006.01); F25B 1/10 (2006.01); B60H 1/32 (2006.01); F25B 49/00 (2006.01); F25B 9/00 (2006.01); F25B 45/00 (2006.01); F25B 31/00 (2006.01);
U.S. Cl.
CPC ...
F25B 1/10 (2013.01); B60H 1/3232 (2013.01); F25B 41/043 (2013.01); F25B 49/005 (2013.01); F25B 9/008 (2013.01); F25B 31/008 (2013.01); F25B 45/00 (2013.01); F25B 2309/061 (2013.01); F25B 2400/13 (2013.01); F25B 2400/23 (2013.01); F25B 2500/07 (2013.01); F25B 2600/0261 (2013.01); F25B 2600/2509 (2013.01); F25B 2600/2525 (2013.01);
Abstract

A method is provided for protecting a refrigerant vapor compression system during a standstill period following shutdown of the refrigerant vapor compression system. A method is provided for detecting a low refrigerant charge level in a refrigerant vapor compression system operating in a transcritical mode. A refrigerant vapor compression system is provided that includes a controller operative to perform a refrigerant charge detection method.


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