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:
Aug. 08, 2017

Filed:

Apr. 15, 2015
Applicant:

Honeywell International Inc., Morristown, NJ (US);

Inventors:

Todd Andrew Ratke, Corona, CA (US);

Miguel Angel Perez Leal, Baja California, MX;

Assignee:

HONEYWELL INTERNATIONAL INC., Morris Plains, NJ (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 17/16 (2006.01); F02D 41/00 (2006.01); F02D 41/24 (2006.01); F01D 21/00 (2006.01);
U.S. Cl.
CPC ...
F01D 17/16 (2013.01); F01D 21/003 (2013.01); F02D 41/0007 (2013.01); F02D 41/2464 (2013.01); F02D 2250/16 (2013.01); F05D 2260/83 (2013.01);
Abstract

Methods and systems are provided for determining a reference position associated with a variable geometry member. One exemplary method involves actuating the variable geometry member in a first direction with a first reference torque and obtaining a first position associated with the variable geometry member in response to the first reference torque. After actuating the variable geometry member with the first reference torque, the method continues by actuating the variable geometry member in the first direction with a second reference torque that is less than the first reference torque, obtaining a second position associated with the variable geometry member in response to the second reference torque, and identifying the second position as the hard-stop reference position when a difference between the first position and the second position is less than a fault threshold.


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