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Patent Searching and Data


Title:
TRANSMISSION
Document Type and Number:
WIPO Patent Application WO/2013/027094
Kind Code:
A1
Abstract:
A transmission of the present invention comprises a transmission mechanism portion (decelerating mechanism portion (2)) which uses a motor (1) as a driving source and transmits the force of rotation of the motor (1) after transmission, and a transmission ratio alteration means which changes the transmission ratio of the transmission mechanism portion. The transmission ratio alteration means comprises a transmission actuator (6), a control unit (60) which controls the transmission actuator (6) when the transmission ratio is changed, and a driving status detection unit (68) which detects an index value of the driving status of the motor (1), and comprises an automatic transmission mode for changing the transmission ratio. Based on information about whether a certain length of time has passed or not from the point of time when the transmission ratio is changed to one of two states and/or information about the number of times that the index value has reached a certain threshold since the alteration of the tran­smission ratio to the one state, the control unit (60) of an automatic transmission motor initiates the transmission actuator (6) to switch to the other of the two states.

Inventors:
ATSUMI MASATOSHI (JP)
YAMADA YUTAKA (JP)
INAGAKI KENICHIROU (JP)
ARIMURA TADASHI (JP)
KAIZO HIROYUKI (JP)
MATSUMOTO HIROSHI (JP)
Application Number:
PCT/IB2012/001367
Publication Date:
February 28, 2013
Filing Date:
July 03, 2012
Export Citation:
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Assignee:
PANASONIC CORP (JP)
ATSUMI MASATOSHI (JP)
YAMADA YUTAKA (JP)
INAGAKI KENICHIROU (JP)
ARIMURA TADASHI (JP)
KAIZO HIROYUKI (JP)
MATSUMOTO HIROSHI (JP)
International Classes:
B25F5/00; B25B21/00; F16H59/14; F16H61/16; F16H61/686
Foreign References:
JPH068151A1994-01-18
JPH01164846A1989-06-28
JP2000024944A2000-01-25
JP2002154062A2002-05-28
JP2004521754A2004-07-22
JPS62292537A1987-12-19
JP2009056590A2009-03-19
JP2007222991A2007-09-06
JP2008023694A2008-02-07
Attorney, Agent or Firm:
FIRSTLAW P. C. (KR)
The first Patent Law people (KR)
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Claims: