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:
Jan. 08, 2013
Filed:
Oct. 31, 2008
Applicant:
Joseph S. Adams, Salt Spring Island, CO;
Inventor:
Joseph S. Adams, Salt Spring Island, CO;
Assignee:
Illinois Tool Works Inc., Glenview, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02B 71/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fuel supply and combustion chamber system for a portable power tool, such as, for example, a fastener-driving tool, wherein the fuel supply and combustion chamber system can utilize liquid or gaseous fuels. The fuel supply and combustion chamber system can comprise multiple combustion chambers for achieving predetermined combustion and power output characteristics. In addition, the fuel supply and combustion chamber system can utilize portioning valve structures for providing predetermined amounts of either a gaseous or liquid fuel into the portable power tool combustion chamber.