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:
Feb. 02, 2010
Filed:
Feb. 09, 2007
Anton Polt, Judendorf-Strassengel, AT;
Anton Polt, Judendorf-Strassengel, AT;
Thomas Engine Company, LLC, Boulder, CO (US);
Abstract
A barrel internal combustion engine includes a drive shaft assembly, a monoblock, a plurality of piston assemblies, and a valvetrain. The driveshaft assembly has a central drive shaft and a cam plate extending therefrom. The one piece monoblock has a longitudinal central axis with a central longitudinal opening receiving the drive shaft, the one piece monoblock further defines a plurality of combustion chambers, a coolant system, a plurality of intake passages and a plurality of exhaust passages. The combustion chambers each have an axis parallel to the central axis and are defined in a circle concentric with the longitudinal axis. Each chamber has a generally cylindrical side wall, a first closed end and a second open end, an intake valve opening and an exhaust valve opening being defined in the first closed end of each combustion chamber. The coolant system includes a plurality of coolant passages.