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:
Jul. 02, 2024

Filed:

Dec. 25, 2019
Applicant:

Hitachi-johnson Controls Air Conditioning, Inc., Tokyo, JP;

Inventors:

Tsutomu Nozaki, Tokyo, JP;

Kazuyuki Matsunaga, Tokyo, JP;

Ryo Kurono, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04C 29/04 (2006.01); F04B 39/02 (2006.01); F04B 39/04 (2006.01); F04C 18/02 (2006.01); F04C 23/00 (2006.01); F04C 29/00 (2006.01); F04C 29/02 (2006.01);
U.S. Cl.
CPC ...
F04C 29/045 (2013.01); F04C 18/02 (2013.01); F04C 18/0215 (2013.01); F04C 23/008 (2013.01); F04C 29/0085 (2013.01); F04C 29/02 (2013.01); F04C 29/026 (2013.01); F04C 29/028 (2013.01); F04B 39/02 (2013.01); F04B 39/04 (2013.01); F04C 2240/30 (2013.01); F04C 2240/603 (2013.01); F04C 2240/807 (2013.01);
Abstract

Provided is, e.g., a compressor with a high reliability. A compressor () includes a hermetic container () sealed with lubricant oil, an electric motor () placed inside the hermetic container () and having a stator () and a rotor (), a crankshaft () configured to rotate integrally with the rotor (), a compression mechanism () configured to compress refrigerant in association with rotation of the crankshaft (), a discharge pipe (Pb) configured to guide the refrigerant compressed in the compression mechanism () to the outside of the hermetic container (), and a tubular oil ring () provided between the compression mechanism () and the electric motor (). A cutout (s) is, at a lower portion of the oil ring (), provided as a first insertion portion into which the discharge pipe (Pb) is inserted.


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