Control apparatus for use of a continuously variable transmission

Patent · Tue Jul 22 04:00:00 EDT 1986

OSTI ID:5475753

Tokoro, S; Watanabe, T; Shigematsu, T

An apparatus is described for controlling a rate of changing a RPM ratio in a continuously variable transmission connected to an engine. The transmission has a driving pulley mounted on an input shaft, the driving pulley comprising a fixed member and a movable member, the movable member being actuated by a hydraulic cylinder to form a V-shaped opening between the movable member and the fixed member, a driven pulley mounted on an output shaft, the driven pulley comprising another fixed member and another movable member, another movable member being similarly actuated by another hydraulic cylinder to form another V-shaped opening between the another movable member and the another fixed member and an endless belt member spanning the pulleys so that an effective diameter of the pulleys can be varied at different rates with regard to each other so that different speed ratios can be obtained.

• Assignee: Toyota Jidosha Kabushiki Kaisha
• Patent Number(s): US 4601680
• OSTI ID: 5475753
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330602* -- Vehicle Design Factors-- Engine-Transmission Matching
CONTROL EQUIPMENT
CONTROL SYSTEMS
CYLINDERS
DRAINAGE
ENGINES
EQUIPMENT
HYDRAULIC EQUIPMENT
LUBRICANTS
LUBRICATING OILS
MACHINE PARTS
MECHANICAL TRANSMISSIONS
MOTION
OILS
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
PETROLEUM PRODUCTS
PRESSURE REGULATORS
PRESSURIZING
ROTATION
SHAFTS
SPEED REGULATORS
TIME DEPENDENCE
VEHICLES
VELOCITY