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Title:
SUN ROOF DRIVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2005/076457
Kind Code:
A1
Abstract:
There is provided a drive device for opening/closing a vehicle sun roof by a DC brush-less motor which is driven by a rectangular wave when a high torque is required at a low rpm in order to reduce the noise and driven by a sinusoidal wave or a pseudo-sinusoidal wave when a low noise is required.

Inventors:
Kanai, Takashi c/o Shinano Kenshi Kabushiki Kaisha (1078 Kamimaruk, Ueda-shi Nagano 98, 38604, JP)
Maruyama, Takahiro c/o Shinano Kenshi Kabushiki Kaisha (1078 Kamimaruk, Ueda-shi Nagano 98, 38604, JP)
Nagai, Yutaka c/o Shinano Kenshi Kabushiki Kaisha (1078 Kamimaruk, Ueda-shi Nagano 98, 38604, JP)
Kawai, Munehiro c/o Shinano Kenshi Kabushiki Kaisha (1078 Kamimaruk, Ueda-shi Nagano 98, 38604, JP)
Ito, Yoshikazu c/o Yachiyo Kogyo Kabushiki Kaisha (Tochigi Kenkyusho 1959-5, Oshiag, Sakura-shi Tochigi 34, 32913, JP)
Application Number:
PCT/JP2005/001667
Publication Date:
August 18, 2005
Filing Date:
February 04, 2005
Export Citation:
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Assignee:
Shinano Kenshi Kabushiki Kaisha (1078, Kamimaruko Ueda-shi, Nagano 98, 38604, JP)
YACHIYO KOGYO KABUSHIKI KAISHA (393 Kashiwabara Sayama-shi, Saitama, 35, 35013, JP)
Kanai, Takashi c/o Shinano Kenshi Kabushiki Kaisha (1078 Kamimaruk, Ueda-shi Nagano 98, 38604, JP)
Maruyama, Takahiro c/o Shinano Kenshi Kabushiki Kaisha (1078 Kamimaruk, Ueda-shi Nagano 98, 38604, JP)
Nagai, Yutaka c/o Shinano Kenshi Kabushiki Kaisha (1078 Kamimaruk, Ueda-shi Nagano 98, 38604, JP)
Kawai, Munehiro c/o Shinano Kenshi Kabushiki Kaisha (1078 Kamimaruk, Ueda-shi Nagano 98, 38604, JP)
Ito, Yoshikazu c/o Yachiyo Kogyo Kabushiki Kaisha (Tochigi Kenkyusho 1959-5, Oshiag, Sakura-shi Tochigi 34, 32913, JP)
International Classes:
B60J7/057; B60J7/00; H02K29/03; H02K29/08; H02P6/06; H02P6/08; H02P6/17; (IPC1-7): H02P6/00; B60J7/00
Foreign References:
JP2001517178A2001-10-02
JP2003299294A2003-10-17
JP2003111481A2003-04-11
JPH0538183A1993-02-12
Attorney, Agent or Firm:
Watanuki, Takao (CreA Center Bldg, 12-9 Nakagosho 3-chom, Nagano-shi Nagano 35, 38009, JP)
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