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:
Mar. 01, 2005
Filed:
Jun. 18, 2002
James E. Doherty, Barrington, IL (US);
James W. Robinson, Mundelein, IL (US);
Richard Urban, Prospect Heights, IL (US);
Christian Paul Andre Ricordi, Bourg-les-Valence, FR;
Donald L. Van Erden, Wildwood, IL (US);
Larry M. Moeller, Mundelein, IL (US);
James E. Doherty, Barrington, IL (US);
James W. Robinson, Mundelein, IL (US);
Richard Urban, Prospect Heights, IL (US);
Christian Paul Andre Ricordi, Bourg-les-Valence, FR;
Donald L. Van Erden, Wildwood, IL (US);
Larry M. Moeller, Mundelein, IL (US);
Illinois Tool Works Inc., Glenview, IL (US);
Abstract
A combustion chamber system, for use within a combustion-powered fastener-driving tool, comprises a dual combustion chamber system comprising a pre-combustion chamber and a final combustion chamber. The pre-combustion chamber is characterized by a high aspect ratio and has different obstacles fixedly incorporated therein for selectively retarding and enhancing the rate of burn and the rate of speed of the flame front propagating through the pre-combustion chamber. In addition, an obstacle, having a predetermined solid geometrical configuration is disposed within the final combustion chamber at a position immediately disposed downstream of a port fluidically interconnecting the pre-combustion chamber to the final combustion chamber so as to cause the flame front to diverge and split into multiple components which flow radially outwardly throughout the final combustion chamber.