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:
Apr. 08, 1980
Filed:
Dec. 29, 1977
Applicant:
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M / ;
U.S. Cl.
CPC ...
1231 / ; 137480 ; 123 / ; 1231 / ; 261D / ; 261D / ; 261 / ;
Abstract
The accumulator chamber communicates with the atmosphere through a passage which is formed therein with a restriction for restricting the cross sectional area of the passage or which is provided therein with a pressure control valve for opening the passage in response to a difference between the atmospheric pressure and the vacuum in the accumulator chamber which difference is above a predetermined value to maintain the vacuum differential between the accumulator and vacuum chambers above a predetermined value when the engine suction vacuum is above a predetermined value.
Toryu, Kazuo. (1980). After burning preventive system for an internal combustion engine (U.S. Patent No. 4196709). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4196709
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile