Abstract:
Disclosed herein is a shift position indicating device for indicating a recommended shift position to a driver of a hybrid vehicle having an engine for driving a drive shaft of the vehicle, a motor for assisting a drive force applied to the drive shaft by electrical energy, and a battery for supplying power to the motor and storing electrical energy output from the motor. The motor having a regenerative function of converting kinetic energy of the drive shaft into electrical energy. According to the shift position indicating device, it is determined whether or not the vehicle is in a high-load running condition, and when the vehicle is in the high-load running condition, the shift-down is recommended.
Abstract:
A control apparatus applied to a hybrid vehicle is disclosed, by which the output assist by the motor (M) with respect to the engine (E) output can be limited or stopped in the high speed driving mode. The control apparatus comprises a section for stopping the operation of the motor from assisting the engine output when the engine output is assisted by the motor and the speed of the vehicle exceeds a predetermined first threshold value; and a section for starting the regenerating operation of the motor when the speed of the vehicle exceeds a predetermined second threshold value which is larger than the first threshold value.
Abstract:
Auxiliary machines (11,16) of a vehicle are operated by a motor-generator (3) when the engine (1) is stopped. The rotating members (82,12) and power transmission means (18,13) form a connection between the engine (1) and motor-generator (3). They are accomodated in a space (63,59) defined by the engine (1) and two covers (64,58). This provides mounting and housing of the motor-generator without significant changes to the engine block.
Abstract:
The priority sequence in a control of adjusting the drive power with respect to a vehicle drive power request is set in the sequence of an engine output increase, a motor output increase and a gear speed change in a gear ratio increasing direction. More specifically, a gear speed of a least gear ratio is selected within such a range that an engine revolution speed higher than or equal to a predetermined lower limit revolution speed is attainable. (S12, S14) A requested drive power is achieved singly by an engine output with the gear speed selected. (S16) When the requested drive power is not achievable singly by the engine output, the requested drive power is achieved by the engine output and a motor output. (S18) When the requested drive power is not achievable by the engine output and the motor output, the gear speed is changed in a gear ratio increasing direction. (S20)
Abstract:
The invention relates to a method of transmitting power to the wheels (4) of a motor vehicle comprising a heat engine (10) and at least one electric machine (20, 30) which is connected to a static power converter (21, 31) and to energy storage and supply means. The inventive method consists in recovering and storing the kinetic energy of the vehicle in storage and supply means comprising a supercapacitor (80) and re-using the stored energy in order to supply power to the wheels when the speed of the vehicle has been stabilised, the heat engine (10) then being stopped.
Abstract:
Disclosed is a method for reducing juddering vibrations in a motor vehicle drive train which can be loaded by means of a drive device such as an internal combustion engine and comprises a clutch device and a transmission device. Also disclosed is an electronic control device.
Abstract:
The invention relates to a hybrid drive of a motor vehicle comprising a power-split transmission between an internal combustion engine, a generator, and an electric motor that is force-coupled to the drive train of driven vehicle wheels. The rotational speed of the drive train is determined each time on two different paths that are redundant in an asymmetrical manner to one another.
Abstract:
An air conditioning device for a vehicle having a regenerative section improves efficiency of regeneration. The air conditioning device comprises a compressor ( 6 ) connected to an output shaft ( 1 a) of an engine ( 1 ) via an electromagnetic clutch ( 5 ), a motor-generator ( 2 ) for electrically recovering kinetic energy of the vehicle ( 100 ) during deceleration, a battery ( 9 ) for storing energy regenerated by the motor-generator ( 2 ), and a motor-driven compressor ( 13 ). When the vehicle ( 100 ) is in a deceleration state, the compressor ( 6 ) is disconnected from the engine ( 1 ) by disengaging the electromagnetic clutch ( 5 ), and air conditioning is performed by the motor-driven compressor ( 13 ).
Abstract:
A control apparatus for automatically stopping and restarting an engine of a vehicle is provided, which is equipped with an engine, a motor, a compressor and an air conditioner. The apparatus has a first section for making a judgment on stopping the engine and a second section for making a judgment on restarting the engine. The apparatus has features that the apparatus provides the air conditioner with a plurality of operational modes selected by a user, and when the vehicle is not in motion with selection of a first mode, the first section permits the engine to stop if a first power that the motor can supply is greater than a second power of the compressor required by the air conditioner, and the second section permits the engine to restart if the second power exceeds the first power.
Abstract:
A hybrid vehicle comprising an internal combustion engine (40) controllably coupled to road wheels (34) of the vehicle by a clutch (51), a traction motor (25) coupled to road wheels of said vehicle, a starting motor (21) coupled to the engine, both motors being operable as generators, a battery bank (22) for providing electrical energy to and accepting energy from said motors, and a microprocessor (48) for controlling these components is operated in different modes, depending on the vehicle's instantaneous torque requirements, the state of charge of the battery bank, and other operating parameters. The mode of operation is selected by the microprocessor in response to a control strategy resulting in improved fuel economy and reduced emission. The engine may be fitted with a turbocharger operated in response to a control signal for extended high-load operation. The controller (48) controls the flow of electrical and mechanical power between said engine, first and second motors, and wheels, and starts and operates said engine when the torque required to propel the vehicle and/or to drive either one or both said electic motor(s) to charge said battery is at least equal to 30% of Maximum Torque output above which said engine torque is efficiently produced.