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US 5,245,966 AGranted
Control system for a drive unit in motor vehicle
AssigneeRobert Bosch GmbH
InventorsHong Zhang, Martin Streib
Life of this patent
Estimating the term…
Abstract
The invention is directed to a control system for a drive unit wherein a pregiven torque occurring at the output of the drive unit is pregiven and is adjusted at the output of the drive unit on the basis of engine speed, engine temperature, the status of additional consumers and/or a measure for the air throughput independent of engine speed, temperature and/or air density.
Claims11
A control system for a drive unit in a motor vehicle equipped with a motor having output parameters and ancillary devices, the control system comprising:
- transducer means for supplying a signal indicative of the torque to be supplied by the motor in accordance with a command of the operator;
- control means for adjusting at least one of said output parameters of the motor to influence said torque;
- sensor means for supplying signals to said control means indicative of:
- motor speed, air input, motor temperature, an operating variable of the drive unit, an operating variable of the motor vehicle and operating variables of the ancillary devices;
- and,
- means for adjusting the output of the motor on the basis of said signals with said torque supplied by the motor being independent of the operating conditions present with the command of the operator being constant.
3 more elements
Dependencies are inferred from the claim text.