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. 27, 2006
Filed:
Jul. 09, 2003
Yue Yun Wang, Columbus, IN (US);
Charles Wu, Indianapolis, IN (US);
Thomas A. Dollmeyer, Columbus, IN (US);
Yue Yun Wang, Columbus, IN (US);
Charles Wu, Indianapolis, IN (US);
Thomas A. Dollmeyer, Columbus, IN (US);
Cummins, Inc., Columbus, IN (US);
Abstract
A turbocharger speed controller includes a rising rate limiter having an input receiving a turbocharger speed signal and an output producing a rate limited turbocharger speed signal, a high envelope filter having an input receiving the rate limited turbocharger speed signal and an output producing a filtered and rate limited turbocharger speed signal, a turbocharger speed control signal generator having an input receiving the filtered and rate limited turbocharger speed signal and an output producing a turbocharger speed control signal based on comparison of the filtered and rate limited turbocharger speed signal with a desired turbocharger speed, and a swallowing capacity control mechanism responsive to the turbocharger speed control signal to vary a swallowing capacity of the turbocharger.