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:
Oct. 18, 2022
Filed:
May. 21, 2018
Applicant:
Panasonic Appliances Refrigeration Devices Singapore, Singapore, SG;
Inventors:
Hironari Akashi, Kusatsu, JP;
Kazuhiro Yokota, Kusatsu, JP;
Assignee:
Panasonic Appliances Refrigeration Devices Singapore, Singapore, SG;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F04B 39/02 (2006.01); F04B 39/00 (2006.01); F04B 39/12 (2006.01); F25B 1/02 (2006.01);
U.S. Cl.
CPC ...
F04B 39/0253 (2013.01); F04B 39/0094 (2013.01); F04B 39/122 (2013.01); F25B 1/02 (2013.01); F25B 2500/13 (2013.01);
Abstract
A sealed refrigerant compressor (A) accommodates an electric component (A) and a compression component () in a sealed container (). A crankshaft () included in the compression component () includes a main shaft part () and an eccentric shaft part (). A main shaft part () is secured to a rotor (A) of the electric component (A). The rotor (A) is provided with a balance adjustment means such as a balance hole (), which adjusts an unbalanced load caused by the structure of the main shaft part ().