CONTROL DEVICE OF HYBRID VEHICLE

Title:

CONTROL DEVICE OF HYBRID VEHICLE

Document Type and Number:

WIPO Patent Application WO/2002/101219

Kind Code:

A1

Abstract:

A control device for a hybrid vehicle, capable of significantly improving a fuel efficiency by a cylinder−stopping operation while a braking marketability is ensured. A control device for a hybrid vehicle which is provided with an engine (E) and a motor (M), the motor (M) performing regenerative braking according to a decelerated condition and the engine (E) being a cylinder−stopping engine for stopping at least one cylinder at vehicle decelerating, and which comprises a cylinder stop judging means for judging whether to stop a cylinder according to a vehicle operation condition, a cylinder stop canceling judging means for canceling cylinder stopping while a cylinder is at rest, a suction−tube negative−pressure sensor (S1), a negative−pressure sensor (S3) in a master power, a secondary air passage (33) for secondarily guiding suction air to the suction passage (30) of the engine (E), and a control valve (34) provided in the secondary air passage (33), for cutting off in−passage suction air, characterized in that the control valve (34) is controlled to be closed when a suction−tube negative pressure is as high as at least specified threshold value while the vehicle is being decelerated.

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Inventors:

WAKASHIRO TERUO (JP)
MATSUBARA ATSUSHI (JP)
SHINOHARA TOSHINARI (JP)
TAKAHASHI HIDEYUKI (JP)
NAKAMOTO YASUO (JP)

Application Number:

PCT/JP2002/005004

Publication Date:

December 19, 2002

Filing Date:

May 23, 2002

Export Citation:

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Assignee:

HONDA MOTOR CO LTD (JP)
WAKASHIRO TERUO (JP)
MATSUBARA ATSUSHI (JP)
SHINOHARA TOSHINARI (JP)
TAKAHASHI HIDEYUKI (JP)
NAKAMOTO YASUO (JP)

International Classes:

F02D45/00; B60K6/20; B60K6/485; B60K6/543; B60L50/16; B60W10/06; B60W10/18; B60W20/00; F01L1/08; F01L1/26; F01L13/00; F02D13/06; F02D17/02; F02D29/02; F02D31/00; F02D41/02; F02D41/04; F02D41/12; (IPC1-7): F02D41/12; F02D41/02; F02D13/06; F02D17/02; B60K6/02; B60L11/14; F02D29/02

Foreign References:

JP2001140665A	2001-05-22
JPH11101140A	1999-04-13
EP0926032A2	1999-06-30
JPS58214639A	1983-12-13

Other References: