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:
Jun. 14, 2005
Filed:
Dec. 18, 2003
Applicants:
Homa Afjeh, Peoria, IL (US);
Mark S. Ellison, Pontiac, IL (US);
John S. Pipis, Washington, IL (US);
Inventors:
Assignee:
Caterpillar Inc, Peoria, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B033/00 ;
U.S. Cl.
CPC ...
Abstract
A compression release brake systemincludes a hydraulic apparatusfor controllably opening at least one exhaust valveof at least one cylinderof an engine in response to motion of a cam actuator. The systemincludes a master piston assemblyhaving a master pistonengageable with the cam actuator. The master pistonincludes a compressible piston pin. A slave piston assemblyis hydraulically linked to the master piston assemblyand includes a slave pistonengageable with the at least one exhaust valve