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:
Dec. 24, 2024

Filed:

May. 30, 2022
Applicant:

Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;

Inventors:

Kazuya Sato, Gunma, JP;

Daisuke Ogi, Shiga, JP;

Takuji Sasa, Shiga, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04C 18/02 (2006.01); F04C 29/02 (2006.01); F04C 23/00 (2006.01);
U.S. Cl.
CPC ...
F04C 18/0215 (2013.01); F04C 29/023 (2013.01); F04C 29/028 (2013.01); F04C 23/008 (2013.01); F04C 2240/50 (2013.01); F04C 2240/603 (2013.01); F04C 2240/809 (2013.01);
Abstract

According to a scroll compressor of the present invention, a vertical groove is formed in the journal such that the vertical groove has a predetermined length measured from an upper end of the journal, a first oil supply hole and a second oil supply hole which are in communication with the main shaft oil supply hole and which open from the vertical groove are formed, a first opening of the first oil supply hole is located on a side of a lower end of the vertical groove, and a second opening of the second oil supply hole is located on a side of an upper end of the vertical groove. According to this configuration, an amount of oil supplied to the bearing can be increased, damage of the bearing can be reduced, and cooling ability and COP can be enhanced.


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