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. 10, 1978
Filed:
Sep. 29, 1977
Tetsuomi Tamura, Toyota, JP;
Toyota Jidosha Kogyo Kabushiki Kaisha, Toyota, JP;
Abstract
A choke breaker system for a carburetor of an internal combustion engine, wherein a negative pressure-type choke control means of a carburetor of an internal combustion engine is directly coupled with a vacuum port of the carburetor, a vacuum switching valve being controllable in response to an engine temperature and a negative pressure check valve are arranged in the passage of negative pressure, and only the vacuum switching valve is to be connected in series when the temperature of the engine is below a certain level, while the vacuum switching valve and the check valve are to be both connected in series when the temperature of the engine is in excess of the certain level.