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:
Feb. 03, 2015
Filed:
Jul. 07, 2009
Akihiro Kurihara, Tokyo, JP;
Takuro Zui, Tokyo, JP;
Satoru Hasegawa, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
A rotation axis Oof a shaftis attached thereto with double-offset in the X and Y directions with respect to a center line Oof a valve seat. A bevel process is implemented on the outer peripheral surface of a valvesuch that the valveand the valve seatis line-sealed, and the sign of the angles of inclination is switched between plus and minus at two places of the outer peripheral surface of the valvedeviated from the center of the axis. Further, a section where the angle of inclination is constant is prepared in each of the sections connecting the two places, while the other sections are smoothly connected to each other.