IDiyas

For the Inventor, By the Inventor

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.:

US 10823467 B1

PDFFull Text
Date of Patent:
Nov. 03, 2020

Filed:

Mar. 30, 2016

Low-oil refrigerants and vapor compression systems

Applicant:

Carrier Corporation, Jupiter, FL (US);

Inventors:

Ulf J. Jonsson, South Windsor, CT (US);

Zissis A. Dardas, Worcester, MA (US);

Vishnu M. Sishtla, Manlius, NY (US);

Daniel G. Goberman, East Grandby, CT (US);

Zaffir A. Chaudhry, S. Glastonbury, CT (US);

Xia Tang, West Hartford, CT (US);

Susanne M. Opalka, Glastonbury, CT (US);

Assignee:

Carrier Corporation, Palm Beach Gardens, FL (US);

Attorney:

Bachman & LaPointe, P.C.

Primary Examiner:

Ljiljana V Ciric

Int. Cl.
CPC ...
F25B 31/00 (2006.01); F25B 1/053 (2006.01); F25B 1/10 (2006.01); F25B 25/00 (2006.01); C10M 171/00 (2006.01); C09K 5/04 (2006.01); F04D 29/059 (2006.01); F04D 29/063 (2006.01); F04D 17/12 (2006.01); C10M 105/38 (2006.01); C10N 20/00 (2006.01); C10N 30/06 (2006.01); C10N 40/30 (2006.01); F04D 17/10 (2006.01); F04D 25/06 (2006.01);
U.S. Cl.
CPC ...
F25B 31/002 (2013.01); C09K 5/044 (2013.01); C09K 5/045 (2013.01); C10M 105/38 (2013.01); C10M 171/008 (2013.01); F04D 17/12 (2013.01); F04D 29/059 (2013.01); F04D 29/063 (2013.01); F25B 1/053 (2013.01); F25B 1/10 (2013.01); F25B 25/005 (2013.01); F25B 31/008 (2013.01); C09K 2205/126 (2013.01); C09K 2205/24 (2013.01); C10M 2203/065 (2013.01); C10M 2203/1006 (2013.01); C10M 2205/0285 (2013.01); C10M 2207/2835 (2013.01); C10M 2209/043 (2013.01); C10M 2209/1033 (2013.01); C10N 2020/099 (2020.05); C10N 2020/101 (2020.05); C10N 2030/06 (2013.01); C10N 2040/30 (2013.01); F04D 17/10 (2013.01); F04D 25/06 (2013.01); F25B 2339/047 (2013.01); F25B 2400/13 (2013.01);
Abstract

A vapor compression system () has: a centrifugal compressor () having an inlet () and an outlet (); and an electric motor () having a stator () and a rotor (). A plurality of bearings () support the rotor. A refrigerant charge comprises a base refrigerant and one or more oils. The one or more oils are present at a total concentration of 80-5000 parts per million (ppm) by weight.

Find Patent Forward Citations

Loading…