Interrelated power delivery controls, including engine control inventions 07/06

20060166783 - Engine spin-up control with natural torque smoothing: A hybrid vehicle includes an engine having at least one cylinder and an electric machine that drives the engine during a start-up period. A control module monitors a rotational speed of the engine and regulates torque generated by the electric machine based on the rotational speed during the start-up period...

20060166784 - Control device for vehicular drive system: Hybrid controller 52 for a vehicular drive system is operable during a shifting control of step-variable transmission portion 20 for a stepping change of its speed ratio, for changing a speed ratio of continuously-variable transmission portion 11, such that total speed ratio γT of transmission mechanism 10 defined by the...

20060166785 - Method for controlling a drivetrain of a vehicle: A method for controlling of a drive train of a vehicle having a multi-group transmission, an output mechanism and a control apparatus for the regulation of the drive train. The multi-group transmission consists of an automatic transmission and a range group. To change the ratio of the range group the...

20060166786 - Method for controlling the drive train of a vehicle: A method for controlling a drive train of a vehicle having a a multi-group transmission, comprising an automatic transmission and a subsequently placed range group. During a change of the gear ratio of the range group, the following occurrences take place: the drive train is relieved of load by a...

20060166787 - Transmission having direct gear: A transmission for a motor vehicle comprising an input shaft (1), an output shaft (2) and at least one countershaft (3). The transmission comprises at least one direct gear and the parts of the transmission that are not involved in the power flow in the direct gear, are completely or...

20060166788 - Method for determining a point of application of the clutch for an automatic gearbox: The invention relates to a method for determining a point of application of the clutch of an automatic gearbox without a synchronised reverse action. The aim of said invention is to improve the determination of the point of application avoiding the use of sensorial information on an engine. For this...

20060166789 - Control apparatus method for automatic transmission: A control apparatus for an automatic transmission includes an engine; a torque converter connected with the engine; an oil pump driven by the engine; a starting clutch adapted to be engaged by an engagement pressure produced by the oil pump to transmit propelling power of a vehicle at a start...

20060160658 - Method and apparatus for determining a slippage setting between two components that transmit force through frictional engagement: A method and apparatus for determining a slippage setting between two components that transmit force through frictional engagement. One component is driven by a drive unit and the other component is an output member for driving a driven unit. A contact force that brings about the frictional connection between the...

20060160659 - Hill hold for a vehicle: A vehicle hill hold may be accomplished, for a vehicle having an automated clutch between the engine output and the transmission input, while protecting the clutch from potential excess wear due to overheating. A hill hold may be accomplished by automatically switching the torque holding the vehicle in place from...

20060160660 - Apparatus and method for controlling transmission of straddle-type vehicle: A transmission control apparatus is provided for a straddle-type vehicle that has a clutch and a transmission with a dog clutch having a first gear and a second gear. The transmission control apparatus includes a clutch actuator configured to engage and disengage the clutch. A transmission actuator is configured to...

20060160661 - Control for selecting automated transmission system shift strategy: A control for an automated mechanical transmission system (10) including, an automated master clutch (20/39). The system controller (46) will sense vehicle operating conditions (54) to command the most appropriate of dynamic shifts performed with the master clutch engaged or dynamic shifts performed by disengaging and then re-engaging the master...

20060154779 - Method for operating a drive train in a motor vehicle: In a method for operating a drive train for a motor vehicle including a transmission with a hydraulic torque converter having a converter lockup clutch which can be activated by a working pressure acting on a piston under engine overrun conditions when an increased internal pressure is produced in the...

20060154780 - Shift control apparatus for automatic transmission: The present invention provides an improvement in shifting control to shift an automatic transmission directly to a target speed position according to a second shifting-action decision. When it is decided (S2) that it is impossible to shift the automatic transmission directly to the target speed position according to the second...

20060154781 - Process for operating an automatically actuated friction clutch and/or a transmission: The invention concerns a process for operating an automatically actuated friction clutch and/or a transmission within the drive train, in which a torque sensor is assigned to the input shaft of the transmission. In order to improve the operation of such a drive train, it is provided according to the...

20060154782 - System for ensuring the ability to start an internal combustion engine contained within a drive train: A system for ensuring the ability to start an internal combustion engine contained within a drive train of a vehicle includes, in addition to an actuation device, a torque transmission device contained in the drive train between the internal combustion engine and driven vehicle wheels, an enabling device that is...

20060154783 - Method for establishing malfunctions of components of a motor vehicle power train: A method for establishing malfunctions of components of a motor vehicle power train as well as the reaction to the same. The power train has a drive motor and an automatic transmission with respectively allocated control devices, setting apparatus and sensors, and the transmission input shaft is allocated a torque...

20060154784 - Method to improve fuel economy in lean burn engines with variable-displacement-like characteristics: A method is disclosed for controlling operation of an engine coupled to an exhaust treatment catalyst. Under predetermined conditions, the method operates an engine with a first group of cylinders combusting a lean air/fuel mixture and a second group of cylinders pumping air only (i.e., without fuel injection). In addition,...

20060154785 - Method for triggering an upshift during kick-down conditions: A procedure for controlling a start-up assistant control of a vehicle with a transmission, an automatically controllable clutch and at least an automatically controllable brake affecting the wheels of the vehicle, which can be activated by the driver to halt the vehicle and which with the start-up assistant control unit...

20060154786 - Method for determining a transmittable torque of a clutch in an automatic transmission of a motor vehicle: A method for determining a transmittable torque of a clutch of an automatic transmission of a motor vehicle, in particular an automated shift transmission, uses the clutch for transmitting torque from an engine shaft to a transmission input shaft and uses a synchronizing device for selectively engaging and disengaging a...

20060154787 - Automated inter-axle differential lock actuation sensing method: The present invention relates to an automatic inter-axle differential lock actuation sensing method for a vehicle having a tandem drive axle. The inter-axle differential lock actuation sensing method comprises providing a clutch locking mechanism of an inter-axle differential for a vehicle, the clutch locking mechanism having a first set of...

20060154788 - Control for an electromagnetic brake for a multiple-ratio power transmission in a vehicle powertrain: A control system for an electromagnetic brake, including an electromagnetic brake actuator coil surrounding a power input shaft for a multiple-ratio transmission in a vehicle powertrain. An electromagnetic flux flow path for the actuator coil is electromagnetically isolated from the power input shaft and other elements of the powertrain thereby...

20060148613 - Startup interlock for vehicle electric drive system: A vehicle electric drive system has an internal combustion engine which drives an electric generator. The generator powers a motor which drives the wheels. The system has operator controls including a speed control member movable from a zero speed position to a high speed position, an FNR direction control member...

20060148614 - Control apparatus of automatic transmission: An automatic transmission including plural friction engaging elements configures plural shift ranges based on combinations of each friction engaging element being in engaging or disengaging condition and a controlling unit for controlling the friction engaging elements to be in engaging or disengaging condition by controlling a hydraulic pressure applied....

20060148615 - Vehicle and method for automatic gear selection in a gearbox forming part of a vehicle: Method and arrangement for providing a vehicle having an internal combustion engine and a drivetrain coupled to the internal combustion engine. A control unit is utilized for automatic gear selection, based on a function of the current rotational speed of an input shaft to the gearbox, and in which the...

20060148617 - Control device for an at least partially four-wheel-driven motor vehicle: In the case of a control device for an at least temporarily four-wheel-driven motor vehicle, having a control unit which can variably distribute the driving torque of a drive unit as a function of operating conditions to primary driving wheels, which are permanently connected with the drive unit, and to...

20060148616 - Power take-off clutch control system: Clutch control systems for a power take-off system of a vehicle, such as those employing all-wheel and four-wheel drive systems. The control system calculates the temperature of the clutch system, based on one or more vehicle operational parameters. If the clutch system reaches a pre-determined temperature limit, the control system...

20060148618 - Vehicle stop-and-brake system: The present invention relates to a vehicle stop-and-brake system having automatic and semi-automatic types, wherein the automatic type having a stop sensor, a drive unit, a connection system, a release switch, and an electronic control system and the semi-automatic type having a drive unit, a gearshift switch, a connection system,...