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Title:
ENGINE UNIT AND VEHICLE
Document Type and Number:
WIPO Patent Application WO/2015/093575
Kind Code:
A1
Abstract:
The present invention provides an engine unit and the like that has a high-load region and a low-load region, and after a combustion halt instruction, can achieve both a reduction in the time until restarting and mountability to a vehicle. The engine unit is provided with a four-stroke engine body, a three-phase brushless motor, an inverter, and a control device. After the combustion operation of the four-stroke engine body and the positive rotation of a crankshaft have halted, the control device controls a plurality of switching units of the inverter in the state of the combustion operation of the four-stroke engine body and the positive rotation of a crankshaft being halted and there being no input of a startup instruction, and as a result the voltage from the battery imposed on the three-phase brushless motor is controlled, and the crankshaft is caused to rotate in the positive direction from a stopped position until the compression stroke of the four strokes. When there has been the input of a startup instruction, the control device causes the positive rotation of the crankshaft from the position of the crankshaft at the point in time the startup instruction has been input.

Inventors:
NISHIKAWA TAKAHIRO (JP)
HINO HARUYOSHI (JP)
Application Number:
PCT/JP2014/083592
Publication Date:
June 25, 2015
Filing Date:
December 18, 2014
Export Citation:
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Assignee:
YAMAHA MOTOR CO LTD (JP)
International Classes:
F02N11/08; F02D29/02; F02N11/04
Foreign References:
JPH0241689A1990-02-09
JP2004068632A2004-03-04
JP2003106124A2003-04-09
JPH0364667A1991-03-20
JPS63297769A1988-12-05
JP2002315250A2002-10-25
JP2001221138A2001-08-17
JP2004036428A2004-02-05
JP2003343404A2003-12-03
Other References:
See also references of EP 3051118A4
Attorney, Agent or Firm:
TASS MEISTER PATENT FIRM (JP)
Patent business corporation Tass meister international patent firm (JP)
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