JPH02125427U - - Google Patents

Info

Publication number
JPH02125427U
JPH02125427U JP3538889U JP3538889U JPH02125427U JP H02125427 U JPH02125427 U JP H02125427U JP 3538889 U JP3538889 U JP 3538889U JP 3538889 U JP3538889 U JP 3538889U JP H02125427 U JPH02125427 U JP H02125427U
Authority
JP
Japan
Prior art keywords
wheel drive
transfer device
transmitted
switching
drive power
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
JP3538889U
Other languages
Japanese (ja)
Other versions
JPH0629091Y2 (en
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
Application filed filed Critical
Priority to JP1989035388U priority Critical patent/JPH0629091Y2/en
Publication of JPH02125427U publication Critical patent/JPH02125427U/ja
Application granted granted Critical
Publication of JPH0629091Y2 publication Critical patent/JPH0629091Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Arrangement And Mounting Of Devices That Control Transmission Of Motive Force (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例にかかる切換制御装
置を備えた４輪駆動車の全体概略図、第２図はト
ランスフア装置の具体的構造を示す断面図、第３
図は制御の具体例を示すフローチヤート、第４図
ａ，ｂは２輪駆動状態から４輪駆動状態への切換
時と４輪駆動状態から２輪駆動状態への切換時と
におけるフロント側およびリア側の各トルクの変
化を示す説明図である。 １……エンジン、４……トランスフア装置、２
３……スロツトル開度センサ、２５……コントロ
ールユニツト、２７……切換禁止手段。 FIG. 1 is an overall schematic diagram of a four-wheel drive vehicle equipped with a switching control device according to an embodiment of the present invention, FIG. 2 is a sectional view showing the specific structure of the transfer device, and FIG.
The figure is a flowchart showing a specific example of control, and Figures 4a and 4b show the front side and It is an explanatory view showing changes in each torque on the rear side. 1...Engine, 4...Transfer device, 2
3...Throttle opening sensor, 25...Control unit, 27...Switching prohibition means.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] エンジンからの駆動力を全輪に伝達する４輪駆
動状態と所定の２輪に伝達する２輪駆動状態とに
、駆動力伝達経路を切換えるトランスフア装置を
備えたパートタイム４輪駆動車において、上記ト
ランスフア装置の入力軸に伝達される入力トルク
に対応した値を検出する検出手段と、この検出手
段によつて検出された上記値が所定値以上のとき
に上記４輪駆動状態から上記２輪駆動状態への切
換を禁止する切換禁止手段とを設けたことを特徴
とする４輪駆動車の切換制御装置。 In a part-time four-wheel drive vehicle equipped with a transfer device that switches the drive power transmission path between a four-wheel drive state in which drive power from the engine is transmitted to all wheels and a two-wheel drive state in which drive power is transmitted to two predetermined wheels, a detection means for detecting a value corresponding to the input torque transmitted to the input shaft of the transfer device; and a detection means for detecting a value corresponding to the input torque transmitted to the input shaft of the transfer device; 1. A switching control device for a four-wheel drive vehicle, comprising a switching prohibition means for prohibiting switching to a wheel drive state.
JP1989035388U 1989-03-27 1989-03-27 Switching control device for four-wheel drive vehicle Expired - Lifetime JPH0629091Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989035388U JPH0629091Y2 (en) 1989-03-27 1989-03-27 Switching control device for four-wheel drive vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989035388U JPH0629091Y2 (en) 1989-03-27 1989-03-27 Switching control device for four-wheel drive vehicle

Publications (2)

Publication Number Publication Date
JPH02125427U true JPH02125427U (en) 1990-10-16
JPH0629091Y2 JPH0629091Y2 (en) 1994-08-10

Family

ID=31540702

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989035388U Expired - Lifetime JPH0629091Y2 (en) 1989-03-27 1989-03-27 Switching control device for four-wheel drive vehicle

Country Status (1)

Country Link
JP (1) JPH0629091Y2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2488526A (en) * 2011-02-18 2012-09-05 Land Rover Uk Ltd Vehicle having an auxiliary driveline controlled so as to reduce mode chattering

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6277228A (en) * 1985-09-30 1987-04-09 Aisin Warner Ltd 2-wheel/4-wheel drive automatic shifting device
JPS6490825A (en) * 1987-09-30 1989-04-07 Mazda Motor Power transmission changing device of four-wheel-drive vehicle

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6277228A (en) * 1985-09-30 1987-04-09 Aisin Warner Ltd 2-wheel/4-wheel drive automatic shifting device
JPS6490825A (en) * 1987-09-30 1989-04-07 Mazda Motor Power transmission changing device of four-wheel-drive vehicle

Also Published As

Publication number Publication date
JPH0629091Y2 (en) 1994-08-10

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