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:
Jul. 09, 2019
Filed:
Mar. 18, 2016
Applicant:
Panasonic Appliances Refrigeration Devices Singapore, Singapore, SG;
Inventors:
Hiroyuki Kawano, Shiga, JP;
Noboru Iida, Shiga, JP;
Assignee:
PANASONIC APPLIANCES REFRIGERATION DEVICES SINGAPORE, Singapore, SG;
Primary Examiner:
Int. Cl.
CPC ...
F04B 39/02 (2006.01); F25B 1/02 (2006.01); F04B 35/04 (2006.01); F04B 39/00 (2006.01); F04B 39/12 (2006.01); F04B 49/20 (2006.01); F25B 31/02 (2006.01);
U.S. Cl.
CPC ...
F04B 39/02 (2013.01); F04B 35/04 (2013.01); F04B 39/0022 (2013.01); F04B 39/0094 (2013.01); F04B 39/0246 (2013.01); F04B 39/0253 (2013.01); F04B 39/122 (2013.01); F04B 49/20 (2013.01); F25B 1/02 (2013.01); F25B 31/023 (2013.01);
Abstract
A hermetic compressor includes an electric motor element driving a compression element that includes a crankshaft including a main shaft, an eccentric shaft, and a flange, a cylinder block having a cylinder bore, and a piston configured to reciprocate in the cylinder bore. The crankshaft further includes a communicating oil supply passage provided in the flange, a main shaft oil supply passage, and an eccentric shaft oil supply passage.