Title:
CONTROL DEVICE OF CHAIN BELT TYPE CONTINUOUSLY VARIABLE TRANSMISSION FOR VEHICLE
Document Type and Number:
Japanese Patent JP2018044579
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a control device of a chain belt type continuously variable transmission for a vehicle which can inexpensively suppress the come-off of a chain belt from a sheave even in a low-vehicle speed range without causing the deterioration of the fuel economy of the vehicle and the lowering of drive torque.SOLUTION: When a magnitude of hydraulic pressure detected by a hydraulic pressure sensor 72 is not smaller than a first prescribed value, this control device 7 of a chain belt type continuously variable transmission for a vehicle elongates a track length of a chain belt 335 to a value not smaller than an elongation amount ΔL of the chain belt 335 in a peripheral length direction when the magnitude of the hydraulic pressure is at the first prescribed value by pushing a cord part 335e of the chain belt 335. By this constitution, it can inexpensively suppressed that the chain belt 335 comes off from a sheave even in a low-vehicle speed range without causing the deterioration of the fuel economy of the vehicle and the lowering of drive torque.SELECTED DRAWING: Figure 4
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Inventors:
NINOMIYA HIROSUKE
IJICHI AKIRA
SHIBATA NAOYUKI
SAITO TATSUYA
IJICHI AKIRA
SHIBATA NAOYUKI
SAITO TATSUYA
Application Number:
JP2016178397A
Publication Date:
March 22, 2018
Filing Date:
September 13, 2016
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
F16H9/24
Domestic Patent References:
| JP2003504576A | 2003-02-04 | |||
| JP2004076906A | 2004-03-11 |
Attorney, Agent or Firm:
Sakai International Patent Office