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:
Nov. 12, 2002
Filed:
Mar. 07, 2001
Toshio Yamanaka, Yokohama, JP;
Yukio Maeda, Yokohama, JP;
Kazuya Kato, Ohhira, JP;
Fumitaka Nishioka, Ohhira, JP;
Nobuo Abe, Ohhira, JP;
Minoru Tateno, Ohhira, JP;
Tatsuo Horie, Ohhira, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
An oscillating piston type compressor has a piston formed integral with a blade. The compressor accommodates in a casing a compression mechanism section and a motor section, the mechanism including the piston having a plate-shaped blade integrally formed on a cylindrical portion is fitted onto an eccentric portion of a crankshaft to perform orbital motion relative to an inner peripheral surface of a cylinder, the plate-shaped blade being formed at its radial end surface with a recess or a protrusion, which serves as a reference of position.