Title:
POWER TRANSMISSION FOR VEHICLES
Document Type and Number:
WIPO Patent Application WO/2010/061639
Kind Code:
A1
Abstract:
A power transmission for vehicles which reduces relatively sudden variation of the output shaft torque of a power transmission caused when the output rotational speed of an electric differential unit varies. When the output rotational speed N18 of the differential unit (11) varies, the deviation value e of the actual rotational speed NE of the engine (8) from the target rotational speed NELINE is calculated at a predetermined time. The target rotational speed NELINE is set so that the deviation value e may converge with a predetermined slope. Therefore, in controlling the engine rotational speed by means of, e.g., an electric motor (M1), the variation of the output shaft rotational speed of the differential unit (11) can be preferably reduced. Hence, the power transmission (10) enables reduction of relatively sudden variation of the output shaft torque caused when the output rotational speed of the differential unit (11) varies.
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Inventors:
MATSUBARA TOORU (JP)
TABATA ATSUSHI (JP)
KAIFUKU MASAKAZU (JP)
TABATA ATSUSHI (JP)
KAIFUKU MASAKAZU (JP)
Application Number:
PCT/JP2009/051131
Publication Date:
June 03, 2010
Filing Date:
January 23, 2009
Export Citation:
Assignee:
TOYOTA MOTOR CO LTD (JP)
AISIN AW CO (JP)
MATSUBARA TOORU (JP)
TABATA ATSUSHI (JP)
KAIFUKU MASAKAZU (JP)
AISIN AW CO (JP)
MATSUBARA TOORU (JP)
TABATA ATSUSHI (JP)
KAIFUKU MASAKAZU (JP)
International Classes:
B60W10/06; B60K6/445; B60K6/547; B60W20/00; F02D29/00; F02D29/02; F16H61/04; F16H61/68; F16H61/684; F16H63/50; F16H59/42; F16H59/44; F16H61/686; F16H63/18
Foreign References:
| JP2007196752A | 2007-08-09 | |||
| JP2005348532A | 2005-12-15 | |||
| JP2007055287A | 2007-03-08 |
Attorney, Agent or Firm:
IKEDA, HARUYUKI (JP)
Haruyuki Ikeda (JP)
Haruyuki Ikeda (JP)
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