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Patent Searching and Data


Title:
DEVICE FOR DETECTING ROTATION ANGLE AND TORQUE
Document Type and Number:
WIPO Patent Application WO/2005/024368
Kind Code:
A1
Abstract:
A first gear (1) and a second gear (3) are respectively connected to an input shaft (4) and an output shaft (6) of a torsion bar unit. A radially magnetized first magnet (20a) is fixed to a first rotor (10) engaging the first gear (1). A radially magnetized second magnet (20b) is fixed to a second rotor (16) engaging the second gear (3). A circuit board (15) is provided between the first rotor (10) and the second rotor (16). A first magnetism detecting element (21a) is provided at a position opposing the first magnet, on one surface of the circuit board (15), and a second magnetism detecting element (21b) is provided at a position opposing the second magnet, on the other surface of the circuit board (15).

Inventors:
Uehira, Kiyotaka
Oike, Koji
Ushihara, Masaharu
Application Number:
PCT/JP2004/012906
Publication Date:
March 17, 2005
Filing Date:
August 31, 2004
Export Citation:
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Assignee:
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. (1006, Oaza Kadoma Kadoma-shi, Osaka 01, 57185, JP)
Uehira, Kiyotaka
Oike, Koji
Ushihara, Masaharu
International Classes:
B62D5/04; B62D5/06; B62D6/10; B62D15/02; G01B7/00; G01B7/30; G01D5/14; G01D5/16; G01D5/245; G01D11/24; G01L3/10; G01L3/14; G01L5/22; (IPC1-7): G01L3/10; B62D5/04; B62D5/06; G01B7/30
Attorney, Agent or Firm:
Iwahashi, Fumio c/o Matsushita Electric Industrial Co. Ltd. (1006, Oaza Kadoma, Kadoma-shi Osaka 01, 57185, JP)
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