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. 20, 1977
Filed:
Jul. 15, 1975
Nissan Motor Company, Yokohama, JA;
Abstract
The vacuum advance control system to control the spark timing is disclosed. It comprises the application of a vacuum from the intake manifold of an engine to an advance control in the engine distributor through a vacuum line wherein the intake manifold vacuum controls the spark timing, an air bleed orifice opening to the vacuum line at an opening formed therein; an orifice provided in the vacuum line between the opening and the source of application of the vacuum from the intake manifold so as to prevent excessive flow of air into the engine carburetor and the intake manifold; and means for bleeding an ambient air into the vacuum line through the air bleed orifice. A second air bleed orifice is provided in the system and is at all times open to the ambient air.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile