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:
Jun. 07, 1977
Filed:
Jul. 11, 1975
Applicant:
Inventors:
Assignee:
Nissan Motor Co., Ltd., Yokohama, JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02D / ;
U.S. Cl.
CPC ...
1231 / ; 1231 / ; 137468 ;
Abstract
Two bimetallic leaf valves having thermal hysteresis characteristics different from each other are provided to permit or inhibit transmission of engine induction passage vacuum to a distributor motor to advance or retard the ignition timing in accordance with engine temperature of the time of start of the engine and within a predetermined temperature range after starting the engine.
Otsubo, Kizuku. (1977). Ignition timing control system (U.S. Patent No. 4027633). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4027633
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile