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. 06, 2007
Filed:
Oct. 28, 2004
Darrel Henry Meffert, Sparland, IL (US);
Roger Leroy Urven, Jr., Colona, IL (US);
Cory Andrew Brown, Pekin, IL (US);
Mark Harold Runge, Peoria, IL (US);
Darrel Henry Meffert, Sparland, IL (US);
Roger Leroy Urven, Jr., Colona, IL (US);
Cory Andrew Brown, Pekin, IL (US);
Mark Harold Runge, Peoria, IL (US);
Caterpillar Inc, Peoria, IL (US);
Abstract
A piston for an internal combustion engine is disclosed. The piston has a piston crown with a face having an interior annular edge. The piston also has first piston bowl recessed within the face of the piston crown. The first piston bowl has a bottom surface and an outer wall. A line extending from the interior annular edge of the face and tangent with the outer wall forms an interior angle greater than 90 degrees with the face of the piston. The piston also has a second piston bowl that is centrally located and has an upper edge located below a face of the piston crown.