Motor vehicles – Power – Electric
Patent
1993-10-05
1996-03-05
Johnson, Brian L.
Motor vehicles
Power
Electric
180 651, 318139, B60K 100, B60L 1502
Patent
active
054959080
ABSTRACT:
A control system for an electric car includes a motor connected to a battery as a main power source for driving the electric car, a strong electricity unit having high voltage devices including an inverter for driving the motor based on power supplied thereto from the battery, a weak electricity unit having low voltage circuits including a microcomputer for data processing, and connection devices for connecting the strong and weak electricity units in such a relationship that a signal path is connected between the units as electrically isolated therefrom, wherein signal transmission between the strong and weak electricity units is carried out with use of the signals isolated between the units.
REFERENCES:
patent: 4680513 (1987-07-01), Kennedy
patent: 5065320 (1991-11-01), Hayashi et al.
patent: 5166584 (1992-11-01), Fukino et al.
patent: 5251680 (1993-10-01), Minezawa et al.
patent: 5280223 (1994-01-01), Grabowski et al.
Matsudaira Nobunori
Obara Sanshiro
Yamada Hiroyuki
Yoshihara Shigeyuki
Hitachi , Ltd.
Hitachi Automotive Engineering Co. Ltd.
Johnson Brian L.
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