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:
Dec. 04, 2012
Filed:
Mar. 27, 2006
Biswajit Mitra, Charlotte, NC (US);
Wayne P. Beagle, Chittenango, NY (US);
James W. Bush, Skaneateles, NY (US);
Biswajit Mitra, Charlotte, NC (US);
Wayne P. Beagle, Chittenango, NY (US);
James W. Bush, Skaneateles, NY (US);
Carrier Corporation, Farmington, CT (US);
Abstract
A refrigeration system (A) comprises an evaporator () for evaporating a refrigerant, a two-stage compressor () for compressing the refrigerant, a single-stage compressor () for compressing the refrigerant, a heat rejecting heat exchanger () for cooling the refrigerant, a first economizer circuit (A), and a second economizer circuit (B). The first economizer circuit (A) is configured to inject refrigerant into an interstage port () of the two-stage compressor (). The second economizer circuit (B) is configured to inject refrigerant into a suction port () of the single-stage compressor (). The single-stage compressor () is configured to discharge into the interstage port () of the two-stage compressor ().