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. 29, 2005
Filed:
Mar. 28, 2003
Malakondaiah Naidu, Troy, MI (US);
Joseph Pierre Heremans, Troy, MI (US);
Thomas Wolfgang Nehl, Shelby Township, MI (US);
John R. Smith, Birmingham, MI (US);
Brian K Fuller, Rochester Hills, MI (US);
Malakondaiah Naidu, Troy, MI (US);
Joseph Pierre Heremans, Troy, MI (US);
Thomas Wolfgang Nehl, Shelby Township, MI (US);
John R. Smith, Birmingham, MI (US);
Brian K Fuller, Rochester Hills, MI (US);
Delphi Technologies, Inc., Troy, MI (US);
Abstract
A torque sensing apparatus for picking up a magnetic field of a magnetostrictive material disposed on a shaft, the torque sensing apparatus having: a first integrating ring; a second integrating ring; a first fluxgate return strip and a second fluxgate return strip each being connected to the first integrating ring at one end and the second integrating ring at the other end; an excitation coil; and a feedback coil; wherein the first integrating ring and the second integrating ring are configured to be positioned to pick up flux signals along the entire periphery of the ends of the magnetostrictive material.