CA2590931A1 - Driving force control system for four-wheel drive vehicles - Google Patents

Driving force control system for four-wheel drive vehicles Download PDF

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Publication number
CA2590931A1
CA2590931A1 CA002590931A CA2590931A CA2590931A1 CA 2590931 A1 CA2590931 A1 CA 2590931A1 CA 002590931 A CA002590931 A CA 002590931A CA 2590931 A CA2590931 A CA 2590931A CA 2590931 A1 CA2590931 A1 CA 2590931A1
Authority
CA
Canada
Prior art keywords
driving force
drive wheels
control system
lock mode
force control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002590931A
Other languages
French (fr)
Other versions
CA2590931C (en
Inventor
Kenzo Nishida
Norihisa Nihanda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honda Motor Co Ltd
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2000093991A external-priority patent/JP2001277886A/en
Priority claimed from JP2000100586A external-priority patent/JP4166409B2/en
Application filed by Individual filed Critical Individual
Priority claimed from CA002339448A external-priority patent/CA2339448C/en
Publication of CA2590931A1 publication Critical patent/CA2590931A1/en
Application granted granted Critical
Publication of CA2590931C publication Critical patent/CA2590931C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

There is disclosed a driving force control system for a four-wheel drive vehicle, which is capable of properly controlling the execution and cancellation of a lock mode in which the engagement forces of clutches for distributing a driving force to auxiliary drive wheels are made maximum, thereby reducing frequency and duration of the lock mode. Further, there is disclosed a driving force control system for a four-wheel drive vehicle, which is capable of properly controlling the engagement forces of clutches for distributing a driving force of the main drive wheels to auxiliary drive wheels, thereby causing the clutches to efficiently operate without waste of power. When the vehicle is determined to be in a predetermined low vehicle speed condition, and at the same time, the shift lever of the transmission is detected to be in any of predetermined low-speed shift positions, execution of a lock mode is permitted in which the clutch engagement forces are controlled to lockable ones which can lock the main and auxiliary drive wheels to each other. When the driving force of the main drive wheels is lower than a predetermined value, the clutch engagement forces for the lock mode are limited to smaller ones than the lockable ones.
CA002590931A 2000-03-30 2001-03-05 Driving force control system for four-wheel drive vehicles Expired - Fee Related CA2590931C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2000093991A JP2001277886A (en) 2000-03-30 2000-03-30 Driving force control device for four-wheel drive vehicle
JP093991/2000 2000-03-30
JP2000100586A JP4166409B2 (en) 2000-04-03 2000-04-03 Driving force control device for four-wheel drive vehicle
JP100586/2000 2000-04-03
CA002339448A CA2339448C (en) 2000-03-30 2001-03-05 Driving force control system for four-wheel drive vehicles

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002339448A Division CA2339448C (en) 2000-03-30 2001-03-05 Driving force control system for four-wheel drive vehicles

Publications (2)

Publication Number Publication Date
CA2590931A1 true CA2590931A1 (en) 2001-09-30
CA2590931C CA2590931C (en) 2009-10-20

Family

ID=38481221

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002590931A Expired - Fee Related CA2590931C (en) 2000-03-30 2001-03-05 Driving force control system for four-wheel drive vehicles

Country Status (1)

Country Link
CA (1) CA2590931C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112078568A (en) * 2019-06-12 2020-12-15 丰田自动车株式会社 Hybrid vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112078568A (en) * 2019-06-12 2020-12-15 丰田自动车株式会社 Hybrid vehicle
CN112078568B (en) * 2019-06-12 2024-05-28 丰田自动车株式会社 Hybrid vehicle

Also Published As

Publication number Publication date
CA2590931C (en) 2009-10-20

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20190305