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:
Oct. 14, 1980
Filed:
Dec. 23, 1977
Yasufumi Ideta, Koganei, JP;
Shoei Watanabe, Koganei, JP;
Nissan Motor Company, Limited, Yokohama, JP;
Abstract
The spool of the inching valve has first and second lands, a first portion connected to the first land and tapered or suitably formed in such a manner as to gradually increase the flow resistance of the inlet port in accordance with the axial movement of the spool into a position in which the first land fully closes the inlet port, and a second portion connected to the second land and having a reduced uniform diameter or a suitable form which initially temporarily abruptly reduces the flow resistance of the drain port and subsequently gradually reduces the flow resistance thereof in accordance with the axial movement of the spool from a position in which the second land opens the drain port.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile