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Patent Searching and Data


Title:
SENSOR AND ROTATING ELECTRICAL MACHINE USING SAME
Document Type and Number:
WIPO Patent Application WO/2014/156865
Kind Code:
A1
Abstract:
A sensor comprises: a sensor case body (20); first to third leg portions (80a, 80b, 80c) arranged spaced apart along the rotation direction of magnets (16), and respectively projecting to face the magnets (16) along the direction orthogonal to the rotation direction of the magnet (16) from the sensor case body (20); and first to fourth Hall ICs (50a, 50b, 50c, 50d) for detecting a change in the magnetic flux when the magnetic flux of the magnets (16) passes through positions facing the three leg portions (80a, 80b, 80c). The first and second Hall ICs (50a, 50b) are housed in the first leg portion (80a). The third Hall IC (50c) is housed in the second leg portion (80b). The fourth Hall IC (50d) is housed in the third leg portion (80c).

Inventors:
HAGIMURA MASAMI (JP)
MATSUI TAKANORI (JP)
Application Number:
PCT/JP2014/057491
Publication Date:
October 02, 2014
Filing Date:
March 19, 2014
Export Citation:
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Assignee:
MITSUBA CORP (JP)
International Classes:
H02K11/00; H02K29/08
Foreign References:
JP2011091964A2011-05-06
JP2007252096A2007-09-27
JP2001349228A2001-12-21
JP2004101234A2004-04-02
US20080084139A12008-04-10
Attorney, Agent or Firm:
SHIGA Masatake et al. (JP)
Masatake Shiga (JP)
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