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. 18, 2001
Filed:
Aug. 09, 2000
Makoto Takeuchi, Nagoya, JP;
Kou Tanaka, Nagoya, JP;
Mitsubishi Heavy Industries, Ltd., Tokyo, JP;
Abstract
A mechanism preventing rotation is mainly composed of plural swivel pins (,) projectingly provided on an end plate of a swiveling scroll (,), housing pins (,) which is the same number as the swivel pins (,) on a front end plate (,) provided onto the end plate, and a pin engaging member (,) having plural holes (,) in which these pins (,) and (,) respectively. These holes (,) are formed sufficiently larger diameter than the swivel pin (,) and the housing pin (,). According to this mechanism preventing rotation, while the swiveling scroll (,) performs a revolution swivel movement, these pins (,) and (,) and the inner surface of the pin engaging member (,) controls radial maximum variation with sliding-contacting each other. Accordingly, fluid leak that occurs by an engaging position error of a stationary scroll and the swiveling scroll is effectively prevented and long service life and improvement of degree of freedom of designs are actualized.