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Vehicle control system

A control system and vehicle technology, applied in transmission control, climate sustainability, road transportation, etc., can solve the problems of transmission device size and manufacturing cost increase, and achieve the effect of improving economic indicators

Inactive Publication Date: 2004-08-18
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this increases the size and manufacturing cost of the transmission

Method used

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Embodiment Construction

[0046] Hereinafter, the present invention will be described in detail with reference to the accompanying drawings showing preferred embodiments of the invention. First refer to figure 1 , which schematically shows the arrangement of the vehicle drive system of the vehicle 3 to which the control system 1 according to the first embodiment of the present invention is applied; figure 2 The arrangement of the control system 1 and the hydraulic lines 28 of the vehicle drive system is shown schematically.

[0047] Such as figure 1 As shown, in the driving system of the vehicle 3, the engine 4 (internal combustion engine) is used as the power source, and the forward / backward switching mechanism 10, the belt-type continuously variable transmission 20, the starting clutch 30 (friction clutch), differential The transmission gear mechanism 6 etc. is connected with the driving wheels 7,7, so that the torque from the engine is transmitted to the driving wheels 7,7.

[0048] The forward / ...

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Abstract

There is provided a control system for a vehicle, which is capable of increasing the service life of a transmission belt while preventing slippage thereof, and at the same time improving fuel economy and drivability. The control system for a vehicle sets a transmission transfer torque to be transmitted from a drive pulley of a continuously variable transmission to a driven pulley of the same, and a clutch transfer torque to be transferred by a clutch. When it is determined that the vehicle is traveling on a bad road, the clutch transfer torque is reduced, and the transmission transfer torque is set to a larger value as the clutch transfer torque is larger.

Description

technical field [0001] The present invention relates to a vehicle control system with a continuously variable transmission. Background technique [0002] Heretofore, control systems of the type described above have been proposed, for example, in Japanese Unexamined Patent Publication (Kokai) Patent Publication No. Hei 4-285361 and Japanese Unexamined Patent Publication (Kokai) Patent Publication No. Hei 9-112674. A continuously variable transmission consists of a drive wheel connected to the engine, a driven wheel connected to the drive wheel, a belt that transmits the drive force between the two wheels, and a number of oil pressure control valves. The driving wheel has a movable part and a fixed part. The movable part is mounted on the axle so that the movable part can move axially along the shaft, but cannot rotate about the shaft. The fixed part is fixed to the axle and placed opposite to the movable part. The movable part, the fixed part and the axle define a V-shaped...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H61/662
CPCF16H2061/6618Y02T10/76F16H61/66272
Inventor 江口高弘户塚博彦铃木英二宫田智
Owner HONDA MOTOR CO LTD
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