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:
Sep. 10, 1985
Filed:
Feb. 01, 1982
Koichi Gomi, Toyota, JP;
Shigeru Nishio, Kariya, JP;
Toyota Jidosha Kogyo Kabushiki Kaisha, both of, JP;
Aisin Seiki Kabushiki Kaisha, both of, JP;
Abstract
A temperature sensitive negative-pressure control valve is provided with a pressure adjusting means functioning to output a constant negative-pressure which is determined by the biasing force of an adjusting spring, and a temperature sensitive device for varying the biasing force of the adjusting spring, whereby variation of the biasing force of the adjusting spring imparted to the pressure adjusting device according to the temperature detected by the temperature sensitive device warrants outputting of continuously varying negative-pressure in response to the variation of the detected temperature.