|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||477/048 ; 477/049 ; 477/046 ; 474/028|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 9 인용 특허 : 7|
A continuously variable transmission control system determines the desired speed ratio for a continuously variable transmission from various input data received from the vehicle and operator. The desired speed ratio is compared with a commanded speed ratio to provide an error signal which establishes a new commanded speed ratio for the continuously variable transmission. The comparing process of desired speed ratio to commanded speed ratio is repeated until the error signal is substantially null. Also, the control provides an adaptive modifier for the ac...
[ We claim:] [1.] A continuously variable transmission and control comprising:a continuously variable transmission including an input member, an output member, and an actuator mechanism for establishing speed ratios between said input member and said output member;said actuator mechanism having a hydraulic valve member for distributing hydraulic fluid at a predetermined pressure to and exhausting pressure from said continuously variable transmission to control the speed ratio thereof in both an overdrive and an underdrive direction and an actuator for co...