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.

Date of Patent:
Jun. 12, 2012

Filed:

Jul. 31, 2008
Applicants:

Craig Phillip Hittle, Peoria, IL (US);

Jonathan P. Kilkenny, Peoria, IL (US);

David Andrew Pierpont, Dunlap, IL (US);

Stephan Donald Roozenboom, Washington, IL (US);

Inventors:

Craig Phillip Hittle, Peoria, IL (US);

Jonathan P. Kilkenny, Peoria, IL (US);

David Andrew Pierpont, Dunlap, IL (US);

Stephan Donald Roozenboom, Washington, IL (US);

Assignee:

Caterpillar Inc., Peoria, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D 23/00 (2006.01); F16K 1/16 (2006.01);
U.S. Cl.
CPC ...
Abstract

A turbocharger for a use with a combustion engine is provided. The turbocharger may have a turbine housing with a first volute, a second volute, and a common outlet. The turbocharger may also have a turbine wheel disposed between the common outlet and the first and second volutes. The turbocharger may further have a first valve configured to selectively fluidly communicate the first volute with the second volute upstream of the turbine wheel, a second valve configured to selectively fluidly communicate the second volute with the common outlet to bypass the turbine wheel, and a common actuator configured to move the first and second valves.


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