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power transmission device

A technology of power transmission device and driving force, which is applied in the direction of transmission device, transmission device control, engine control, etc., can solve the problem of drivability reduction and achieve the effect of suppressing the reduction of drivability

Active Publication Date: 2016-03-30
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] At this time, after the one-way rotation preventing mechanism becomes a fixed state, the turning radius of the turning radius adjusting mechanism temporarily becomes a turning radius different from the turning radius corresponding to the target gear ratio, and drivability may decrease.

Method used

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Experimental program
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Embodiment Construction

[0046] (1. Structure of power transmission device)

[0047] Embodiments of the power transmission device of the present invention will be described below. The power transmission device 1A of this embodiment (refer to Figure 9 ) has a continuously variable transmission that can set the gear ratio i (i=rotational speed of the input shaft / rotational speed of the output shaft) to infinity (∞) and the rotational speed of the output shaft to "0", that is, the so-called IVT ( InfinityVariableTransmission: infinite infinite transmission).

[0048] refer to figure 1 , CVT 1 is installed in vehicle C (refer to Figure 9 ), which has a hollow input shaft 2 (corresponding to the "input part" of the present invention), which receives the drive source 50 from an internal combustion engine such as an engine or an electric motor (refer to Figure 9 ) to rotate around the input central axis P1. In addition, the continuously variable transmission 1 has drive wheels 60 arranged parallel to...

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PUM

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Abstract

PROBLEM TO BE SOLVED: To provide a power transmission capable of suppressing deterioration of drivability when a one-way rotation prevention mechanism needs to be shifted from an idling state to a fixing state by a request of driving force output to a vehicle.SOLUTION: When a control device 40 of a power transmission 1A is required to output a driving force to a vehicle C, the device executes control using an intermediate rotation radius adjustment part 77 with a one-way clutch 17 idling, and executes control using a final rotation radius adjustment part 76 after a shift to a fixing state.

Description

technical field [0001] The present invention relates to a power transmission device having a crank linkage. Background technique [0002] Conventionally, a power transmission device having a continuously variable transmission of the four-bar linkage type is known. Arranged parallel to the rotation center axis of the input unit; a plurality of crank linkage mechanisms; and a control device that controls the operation of the traveling drive source and the crank linkage mechanism (for example, refer to Patent Document 1). [0003] The crank-link mechanism of Patent Document 1 is composed of: a rotation radius adjusting mechanism provided at an input part; a swing link pivotally supported on an output shaft in a freely swingable manner; and a connecting rod having a The input-side annular part which can be freely rotatable is embedded with the rotation radius adjusting mechanism, and the other end part is connected with the swing end part of the swing rod. [0004] A one-way c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02D29/02F16H59/00F16H59/38F16H59/20
CPCF16H29/04
Inventor 小林庸浩
Owner HONDA MOTOR CO LTD