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:
Dec. 15, 1992
Filed:
Oct. 01, 1991
Naoya Morozumi, Tokyo, JP;
Tsugio Itami, Numazu, JP;
Hirotsugu Sakata, Chigasaki, JP;
Makoto Hayano, Tokyo, JP;
Toshiya Yajima, Yokohama, JP;
Teruo Kobuna, Kawasaki, JP;
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Abstract
A scroll compressor comprises a first end member having an axis, a second end member facing the first end member, relatively movable crosswise of the first end member and having an axis, a bearing portion extending through either one of central portions of the first and second end members, a first scroll wrap formed in a vortical manner and extending from the face of the second scroll end member, the first scroll wrap having an inner end portion and an inner face, a second scroll wrap formed in a vortical manner and extending from the face of the second end member so as to interdigitate with the first end member, the second scroll wrap having an outer end portion and an inner face, a low gas pressure chamber and a high pressure chamber formed around or in the first and second end members, compressing chambers defined between the first and second scroll wraps, and engaging portions formed on the inner portions of the first and second scroll wraps and each having a guide face, the guide faces of the first and second scroll wraps being formed to remain contacted with the inner end portion of the first scroll wrap and the outer end of the second scroll wrap, respectively, and to guide the respective first and second scroll wraps such that the compressing chambers are moved to compress gas therein stronger during a compressing process of the scroll compressor.