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Title:
DRIVE DEVICE WITH NON-CIRCULAR GEAR
Document Type and Number:
WIPO Patent Application WO/2002/025086
Kind Code:
A1
Abstract:
A drive device with non-circular gear, comprising a non-circular drive gear (11) having a torque motor (10) as a drive source and a gear train transmitting the rotation of the torque motor from the motor shaft (1) of the torque motor to a driven shaft (13) and fixed to the motor shaft and a non-circular driven gear (12) fixed to the driven shaft and meshed with the non-circular drive gear, wherein, when a current is supplied to the torque motor (10) and the motor shaft (1) is rotated, the rotation is transmitted from the non-circular drive gear (11) to the non-circular driven gear (12) to rotate the driven shaft, and the torque of the torque motor (10) is transmitted to the driven shaft in the state of being increased or decreased depending on the position of the rotation, whereby the drive device with the torque motor capable of providing a desired torque at any rotating position can be provided.

Inventors:
Muraji, Tetsuo c/o MIKUNI CORPORATION Odawara Branch (2480 Kun, Odawara-shi Kanagawa, 250-0055, JP)
Application Number:
PCT/JP2001/008055
Publication Date:
March 28, 2002
Filing Date:
September 17, 2001
Export Citation:
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Assignee:
MIKUNI CORPORATION (13-11, Sotokanda 6-chome Chiyoda-ku, Tokyo, 101-0021, JP)
Muraji, Tetsuo c/o MIKUNI CORPORATION Odawara Branch (2480 Kun, Odawara-shi Kanagawa, 250-0055, JP)
International Classes:
F02D9/02; F02D11/10; F16H19/00; F16H35/02; H02K7/116; H02K26/00; (IPC1-7): F02D11/10; F02D9/02; F16H35/02; H02K33/02
Foreign References:
JPH11266575A1999-09-28
JPH11225465A1999-08-17
JP2000240474A2000-09-05
JPS5891956A1983-06-01
Other References:
See also references of EP 1329618A1
Attorney, Agent or Firm:
MIKUNI CORPORATION INTELLECTUAL PROPERTY DEPT (2480, Kuno Odawara-shi, Kanagawa, 250-0055, JP)
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