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. 22, 1998
Filed:
Nov. 04, 1996
Fujikoki Corporation, Tokyo, JP;
Abstract
Objective To avoid undesirable contact between the moving side stopper and the fixed side stopper, to maximize the contact width at the time of hitting, to decrease damages, wearing, etc. to those stoppers, and to improve reliability of the moving side stopper and the fixed side stopper in terms of rigidity and durability. Solution To provide a motor operated valve comprising a valve body 20, a screw fed valve stem 30 and a shaft 35, a motor 10 which rotationally drive the aforementioned shaft 35, a sleeve 40 having a convexed moving side stopper 41 which is rotated with the aforementioned shaft 35 as a monolithic structure, and a fixed bearing washer having a convexed fixed side stopper 55 to which the aforementioned moving side stopper 41 hits, and where a clearance slope 41a to avoid hitting the fixed side stopper 55 is provided on the rear part, looking in the rotational direction, of the aforementioned moving side stopper 41.