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.
Patent No.:
Date of Patent:
Sep. 23, 2014
Filed:
Sep. 08, 2009
Tapesh P. Patel, Hotsprings, AR (US);
Gene Fields, Arkadelphia, AR (US);
Joe T. Hill, Arkadelphia, AR (US);
Tracy L. Milliff, Arkadelphia, AR (US);
Harshal Upadhye, Charlotte, NC (US);
Behzad Parastar, Kolding, DK;
Ole Holst Christensen, Kolding, DK;
Tapesh P. Patel, Hotsprings, AR (US);
Gene Fields, Arkadelphia, AR (US);
Joe T. Hill, Arkadelphia, AR (US);
Tracy L. Milliff, Arkadelphia, AR (US);
Harshal Upadhye, Charlotte, NC (US);
Behzad Parastar, Kolding, DK;
Ole Holst Christensen, Kolding, DK;
Danfoss Scroll Technologies, LLC, Arkadelphia, AR (US);
Abstract
At least one bypass opening is formed in a base of a scroll member, and communicates with at least one compression chamber. The bypass opening communicates with a passage leading to a suction pressure chamber within a compressor shell. A valve includes an element electrically powered to move between a first position at which it blocks flow of refrigerant from the bypass port to the passage leading to the suction pressure chamber, and a second position at which it allows flow of refrigerant between the bypass port and the passage leading to the suction pressure chamber. A portion of the valve, which is electrically powered, is mounted outside of the compressor shell.