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:
May. 29, 2012
Filed:
Mar. 27, 2009
Yuji Komai, Tokyo, JP;
Kazutaka Suefuji, Kanagawa, JP;
Toshikazu Harashima, Tokyo, JP;
Kiminori Iwano, Kanagawa, JP;
Toshitsugu Suzuki, Tokyo, JP;
Yoshiyuki Kanemoto, Kanagawa, JP;
Yuji Komai, Tokyo, JP;
Kazutaka Suefuji, Kanagawa, JP;
Toshikazu Harashima, Tokyo, JP;
Kiminori Iwano, Kanagawa, JP;
Toshitsugu Suzuki, Tokyo, JP;
Yoshiyuki Kanemoto, Kanagawa, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A scroll-type fluid machine comprising: a casing; a fixed scroll; an orbiting scroll; and an auxiliary crank device in which to prevent the orbiting scroll from being rotated, wherein the auxiliary crank device comprises: a fixed-side bearing body provided on either a casing side or a fixed scroll side; an orbiting-side bearing body provided on an orbiting scroll side; and an auxiliary crank shaft in which a fixed-side shank is rotatably supported with the fixed-side bearing body, and an orbiting-side shank is rotatably supported with the orbiting-side bearing body; a tip of the fixed-side shank of the auxiliary crank shaft is fixed in a radius direction, and a tip of the orbiting-side shank of the auxiliary crank shaft is fixed in a radius direction; and a deformative portion is provided between the tip of the fixed-side shank and the tip of the orbiting-side shank of the auxiliary crank shaft.