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. 25, 2018
Filed:
Oct. 28, 2016
Applicant:
Walbro Llc, Tucson, AZ (US);
Inventor:
George M. Pattullo, Caro, MI (US);
Assignee:
Walbro LLC, Tucson, AZ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 9/08 (2006.01); F02M 19/04 (2006.01); B01F 3/04 (2006.01); F02M 19/01 (2006.01); B25B 13/48 (2006.01); B25B 23/10 (2006.01); B25B 27/00 (2006.01);
U.S. Cl.
CPC ...
F02M 9/08 (2013.01); B01F 3/0446 (2013.01); B25B 13/48 (2013.01); B25B 23/103 (2013.01); B25B 23/105 (2013.01); B25B 27/0035 (2013.01); F02M 19/01 (2013.01); F02M 19/04 (2013.01); B01F 2215/0088 (2013.01);
Abstract
A carburetor with a fuel adjustment tamperproof valve assembly and specialized tools for adjusting the valve assembly. A needle valve is received in a recess in a carburetor body with a passage open to the exterior of the body and a cylindrical surface of the passage. A valve head with a cylindrical exterior surface is received in the passage with a slight clearance between them. The specialized tools are engageable with the head to adjust the valve by rotating it.