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:
Sep. 15, 2015
Filed:
Aug. 17, 2012
Francesco Cianflone, Turin, IT;
Gerhard Landsmann, Roedern, DE;
Andreas Sidorow, Darmstadt, DE;
Christopher Eck, Darmstadt, DE;
Rolf Isermann, Darmstadt, DE;
Ulrich Konigorski, Darmstadt, DE;
Francesco Cianflone, Turin, IT;
Gerhard Landsmann, Roedern, DE;
Andreas Sidorow, Darmstadt, DE;
Christopher Eck, Darmstadt, DE;
Rolf Isermann, Darmstadt, DE;
Ulrich Konigorski, Darmstadt, DE;
GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US);
Abstract
A unit for estimating a rotational speed of a turbocharger is provided. The unit includes a microprocessor comprising input ports configured for receiving measurement signals from an exhaust gas flow control system of an internal combustion engine and an output port for outputting a signal indicative of the rotational speed of the turbocharger. The input ports are adapted to receive a first set of measurement signals and a second set of measurement signals. A microprocessor is configured to calculate an estimated rotational speed of the turbocharger using a turbocharger model, based on the first set of measurement signals and the second set of measurement signals. Rhe second set of measurement signals include signals indicative of a pressure difference across a turbine of the turbocharger.