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:
May. 24, 2022
Filed:
Oct. 09, 2020
Caterpillar Inc., Peoria, IL (US);
Allen Yao Chen, Dunlap, IL (US);
Thomas Lee Atwell, Maryville, TN (US);
Jason Lee Van Farowe, Brimfield, IL (US);
Daniel Halvorson, Peoria, IL (US);
Neil Edward Johnston, East Peoria, IL (US);
Aaron G. Heintz, Washington, IL (US);
Caterpillar Inc., Peoria, IL (US);
Abstract
An internal combustion engine includes a one-piece cylinder block casting, a flywheel supported for rotation at a front block end, and a back gear train supported for rotation at a back block end. Cast-in pump inlet and outlet passages are formed in the cylinder block casting and open in a pump mounting face at the back block end. An oil pump is clamped to the pump mounting face and includes a pump inlet and a pump outlet fluidly connected, respectively, to the cast-in pump inlet passage and the cast-in pump outlet passage.