(19)
(11)EP 2 009 450 A3

(12)EUROPEAN PATENT APPLICATION

(88)Date of publication A3:
30.11.2011 Bulletin 2011/48

(43)Date of publication A2:
31.12.2008 Bulletin 2009/01

(21)Application number: 08159127.3

(22)Date of filing:  26.06.2008
(51)International Patent Classification (IPC): 
G01P 3/46(2006.01)
G01P 21/02(2006.01)
(84)Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated Extension States:
AL BA MK RS

(30)Priority: 29.06.2007 US 771055

(71)Applicant: Honeywell International Inc.
Morristown, NJ 07960 (US)

(72)Inventors:
  • Rogers, Bruce W.
    Glendale, AZ 85304 (US)
  • Leonard, John R.
    Glendale, AZ 85306 (US)

(74)Representative: Buckley, Guy Julian 
Patent Outsourcing Limited 1 King Street
Bakewell Derbyshire DE45 1DZ
Bakewell Derbyshire DE45 1DZ (GB)

  


(54)Calibration of generator device


(57) Methods are provided for calibrating a tachometer or generator device to reduce residual errors associated with the tachometer-generator device. A shim structure is positioned within the air gap of the tachometer-generator device. A physical characteristic or location of placement of the shim structure is selected to reduce variation in an output voltage of the tachometer-generator device.







Search report