Patent · US Active

Engine with stub shaft supported cam gear and machine using same

US8555838B2 · kind B2 · utility

5Cited by

22References

18Claims

0Family size

Assignee

Caterpillar Inc. · US

Inventors

Travis T. Petry-Johnson · Peoria, US
Philip C. Millward · Novi, US
Ryan M. Heinbuch · Wixom, US

Key dates

Filing date	Dec 1, 2010
Grant date	Oct 15, 2013
Priority date	—
Expiry date	Apr 9, 2032

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF02B67/04
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

In one aspect, a machine includes an engine supported on a machine body. The engine includes a housing and a gear train that includes a crank gear meshed with a cam gear that is meshed with at least one powered gear. The cam gear is attached to a cam shaft by a drive coupler. The cam shaft is rotationally supported in the housing on a plurality of bearings, and the cam gear is rotationally supported on a stub shaft with an inner surface that is out of contact with the cam shaft. The stub shaft is attached to the housing of the engine.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.