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. 26, 2002
Filed:
Feb. 22, 2001
Wayne Waszkiewicz, Redondo Beach, CA (US);
Christopher C. Greentree, Redondo Beach, CA (US);
Honeywell International, Inc., Morristown, NJ (US);
Abstract
An exhaust gas recirculation (EGR) system for an engine with a variable geometry turbocharger ( ) incorporates a master rotary electric actuator (REA) ( ) with a microprocessor controller ( ) receiving condition signals ( ) from sensors ( ) associated with the turbocharger and the engine control unit (ECU) ( ) and positioning the turbine inlet nozzle ( ) geometry of the turbocharger in response to a predetermined matrix of the condition signals. A slave REA ( ) is connected through an internal processing unit ( ) to the controller to position an EGR valve ( ). The processing unit provides an actual position signal to the controller which responds with a desired position signal based on the predetermined condition signal matrix. The processing unit engages the slave REA to position the EGR valve.