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. 18, 1984
Filed:
May. 09, 1983
Applicant:
Inventors:
Gaylord M Borst, Waukegan, IL (US);
Frank J Walsworth, Waukegan, IL (US);
Assignee:
Outboard Marine Corporation, Waukegan, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01M / ; F02B / ;
U.S. Cl.
CPC ...
123 / ; 123 / ;
Abstract
A two-stroke internal combustion engine of the type having separate fuel and oil pumps delivering their outputs for mixture prior to entering the carburetor, the oil pump having a variable output relative to the fuel pump output, and means responsive to the amplitude of the pressure wave in the engine crankcase to vary the output of the oil pump to optimize the fuel/oil ratio for the operating conditions.
Borst, Gaylord. (1984). Pressure-controlled stroke limiter (U.S. Patent No. 4471728). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4471728
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile