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:
Nov. 12, 1996
Filed:
Sep. 30, 1994
Applicant:
Inventors:
David C Doddy, Charing Cross, CA;
Stephen E Brackett, Blenheim, CA;
Assignee:
Siemens Electric Limited, Chatham, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M / ;
U.S. Cl.
CPC ...
12318457 ;
Abstract
A method and device are disclosed for tuning an air induction system of an internal combustion engine in which an expansion chamber is combined with a Helmholtz resonator tuned to resonate at the engine speed whereat the expansion chamber would otherwise cause an engine torque decline, the combined effects tuning the system over the entire operational range of speeds of the engine.
Doddy, David. (1996). Method and composite resonator for tuning an engine air induction system (U.S. Patent No. 5572966). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5572966
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile