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. 15, 2024
Filed:
Mar. 10, 2020
Applicant:
Hitachi Industrial Equipment Systems Co., Ltd., Tokyo, JP;
Inventors:
Assignee:
Hitachi Industrial Equipment Systems Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 53/14 (2006.01); F04B 39/00 (2006.01); F04B 39/14 (2006.01);
U.S. Cl.
CPC ...
F04B 53/143 (2013.01); F04B 39/0005 (2013.01); F04B 39/0022 (2013.01); F04B 39/14 (2013.01); F04B 53/144 (2013.01);
Abstract
There is provided a compressor including: a piston that reciprocates inside a cylinder; a valve plate that closes an end portion of the cylinder; a connecting rod that supports the piston; a crankshaft that applies a rotating force to an end portion of the connecting rod; and a crankcase that rotatably supports the crankshaft. The piston is an oscillating piston that reciprocates while oscillating inside the cylinder according to rotation of the crankshaft. An outer peripheral surface of the piston is a curved surface.