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:
Aug. 22, 2017
Filed:
Jul. 25, 2012
Mingfei Gan, Manlius, NY (US);
Keonwoo Lee, Manlius, NY (US);
Hans-joachim Huff, Mainz, DE;
Aryn Shapiro, Syracuse, NY (US);
Lucy Yi Liu, Fayetteville, NY (US);
Gilbert B. Hofsdal, Chittenango, NY (US);
Jian Sun, Fayetteville, NY (US);
Mingfei Gan, Manlius, NY (US);
KeonWoo Lee, Manlius, NY (US);
Hans-Joachim Huff, Mainz, DE;
Aryn Shapiro, Syracuse, NY (US);
Lucy Yi Liu, Fayetteville, NY (US);
Gilbert B. Hofsdal, Chittenango, NY (US);
Jian Sun, Fayetteville, NY (US);
CARRIER CORPORATION, Farmington, CT (US);
Abstract
A refrigeration system includes a compressor having a first stage and a second stage; a heat rejecting heat exchanger including an inter-cooler and a gas cooler, the intercooler coupled to an outlet of the first stage and the gas cooler coupled to an outlet of the second stage; an unload valve coupled to an outlet of the intercooler and a suction port of the first stage; a flash tank coupled to an outlet of the gas cooler; a primary expansion device coupled to an outlet of the flash tank; a heat absorbing heat exchanger coupled to an outlet of the primary expansion device, an outlet of the heat absorbing heat exchanger coupled to the suction port of the first stage; and a controller for executing a startup process including controlling the unload valve to direct refrigerant from the intercooler to the suction port of the first stage.