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. 10, 1998
Filed:
Jan. 26, 1996
Applicant:
Inventors:
Thomas R Fenelon, Chillicothe, IL (US);
Robert L Hercey, Peoria, IL (US);
Gerald A Hill, Lafayette, IN (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B / ;
U.S. Cl.
CPC ...
60606 ; 60611 ;
Abstract
A bypass system for a diesel engine having a turbocharger, a bypass conduit, a valve and a controller which cooperate to bypass a portion of the combustion air compressed by the turbocharger bypassed to a turbine portion of the turbocharger or to the atmosphere, a controller containing maps based on empirical fixed point data specific to the engine, turbocharger and bypass system responds to signals indicative of changes in atmospheric pressure, inlet manifold pressure and engine speed to control the valve and prevent the turbocharger from surging.