Patent Number: 6,298,300

Title: Control apparatus for drive system composed of engine and transmission

Abstract: A drive system composed of an engine and a transmission is controlled in accordance with a desired wheel toque corresponding to a position of an accelerator, and a present vehicle speed in such a way that a speed ratio of the transmission is determined in consideration with torque factors such as an air-fuel ratio on the engine side, thereby it possible to optimize the control in order to reduce the emission of exhaust substance such as NOx and to enhance the acceleration performance and the fuel economy.

Inventors: Ohyama; Yoshishige (Hitachinaka, JP), Fujieda; Mamoru (Ibaraki-ken, JP), Nogi; Toshiharu (Novi, MI), Shiraishi; Takuya (Hitachinaka, JP), Ohsuga; Minoru (Hitachinaka, JP)

Assignee: Hitachi, Ltd.

International Classification: F02M 61/18 (20060101); F02M 61/06 (20060101); F02D 41/04 (20060101); F01L 13/00 (20060101); F02D 41/00 (20060101); F02M 61/16 (20060101); F02M 61/00 (20060101); F02M 59/00 (20060101); F02M 59/10 (20060101); F02D 41/34 (20060101); F02M 51/06 (20060101); F02D 13/02 (20060101); F02B 39/12 (20060101); F02B 39/02 (20060101); F02M 45/08 (20060101); F02M 41/08 (20060101); F02M 45/00 (20060101); F02M 41/12 (20060101); F02M 47/02 (20060101); F02M 63/00 (20060101); F02B 23/10 (20060101); F02B 75/12 (20060101); F02B 75/00 (20060101); F02B 3/00 (20060101); F02B 3/06 (20060101); F02D 017/02 ()

Expiration Date: 10/02/2018