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Class 477/120 - By acceleration


Subclass of Class 477 - Interrelated power delivery controls, including engine control
Definition: Subject matter wherein means for the regulation of the gear transmission* includes
No. of patents: 301
Last issue date: 03/13/2012


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NumberTitleIssue Date
8133154Control system and method for accelerator pedal based shift point stabilization for an automatic transmission
A control system for determining a desired gear ratio of an automatic transmission includes a pedal rate module that determines a pedal rate of an accelerator pedal, and a shift module that determines the desired gear ratio of the transmission based on a position of...
03/13/2012
7841962Automatic transmission upshift timing
Methods and apparatus for control of a transmission are described, including provision of a shift initiation signal to the transmission when the engine speed attains an initiation point engine speed, the initiation point engine speed being adjustable as a function o...
11/30/2010
7819776Automatic gear control device
A control apparatus for an automatic transmission including a gear-type transmission mechanism connected to an output shaft of a motive power source, the gear-type transmission including plural frictional engagement elements. The control apparatus senses a power-on ...
10/26/2010
7621844Shift control device for vehicle transmission
A shift control device is provided for a vehicle transmission having first and second clutches arranged to be selectively engaged when one of gear ranges in first and second gear groups, respectively, is selected. The shift control device includes a rotational speed...
11/24/2009
7544150Engine torque error learn during dynamic vehicle test
A method of regulating gear shifts of a transmission driven by an engine includes calculating a first torque error and calculating a second torque error. A compensation torque is determined based on the first torque error and the second torque error. The gear shifts...
06/09/2009
7470213Automatic transmission control device
An automatic transmission control device of a vehicle performs a gear change operation based on a deceleration of the vehicle. The automatic transmission control device detects the deceleration of the vehicle and an engine rotational speed. The device also stores a ...
12/30/2008
7384374Tip-in/tip-out gear shift control for a powershift automatic transmission
A method for shifting a transmission from a current gear to a target gear following release of an accelerator pedal, the transmission having first and second clutches for alternately connecting and disconnecting a power source and first and second input shafts, resp...
06/10/2008
7370548Method for controlling and regulating a transmission brake in an automatic motor vehicle transmission
A method for the control and regulation of a transmission brake in an automatic transmission with a countershaft. The transmission brake arrests a transmission input shaft or a countershaft during an upshifting procedure. The speed of rotation (1) of these sh...
05/13/2008
7369931Gear shift prevention
A method for temporarily preventing automatic gear shifting in a vehicle, comprising the steps of: preventing gear shifting as long as a traction control system indicates that at least one driven wheel is spinning, calculating a vehicle acceleration, calculating a v...
05/06/2008
7360458Method and device for determining the torque on gear shafts
A method and a device for determining the torques on gear shafts. With the help of this method and the device in the case of a constant transmission ratio, the rotational speed of a first gear shaft (2, 19) and the rotational speed of a second gear shaft (...
04/22/2008
7340335Controller of driver for vehicle
A control apparatus for a vehicular drive system, including uphill-drive-force control means and constructed to reduce a degree of uneasiness to be given to the vehicle operator during an uphill-road running of a vehicle. The uphill-drive-force control means is arra...
03/04/2008
7337046Automotive control apparatus and method
An apparatus and a method for controlling an automotive vehicle are disclosed, in which a control amount for securing safety of the vehicle and the control amount for achieving a state intended for by the driver of the vehicle are switched in such a manner as to red...
02/26/2008
7337052Method for automatically controlling a transmission brake of an automatic transmission configured as a countershaft transmission
A method for controlling and regulating a transmission brake of an automatic transmission designed as a gear reduction unit in which the rotation speed of a countershaft of the gearbox can be decelerated in an upshift such that it corresponds to the synchronized rot...
02/26/2008
7318789Hydraulic control system for automatic transmission
An automatic transmission has an electronic control unit and a hydraulic control unit. The electronic control unit outputs an engagement command pressure to a solenoid disposed in a hydraulic control unit to generate a shelf pressure to upshift the automatic transmi...
01/15/2008
7278953Transmission shift control method
A method is provided for shifting a powershift transmission in a vehicle having an electronic engine control unit and an electronic transmission control unit. The method rapidly reduces off-going clutch pressure to a pressure which is slightly higher than a Predicte...
10/09/2007
7273441Work vehicle having a speed change arrangement
A work vehicle, in accordance with the present invention, having a speed change arrangement comprising: front wheels and rear wheels; an engine supported by the front wheels and rear wheels; power train extending between the engine and at least the rear wheels, the ...
09/25/2007
7261674Hydraulic control apparatus for automatic transmission
A hydraulic control apparatus for an automatic transmission provided with a friction engaging element that operates using hydraulic pressure includes a range pressure oil passage which is connected to the friction engaging element; a manual valve which is connected ...
08/28/2007
7258649Shift control apparatus for vehicular automatic transmission and method thereof
An automatic shift control is executed in an automatic transmission with 5 shift speeds of range hold type in the highest gear stage of a shift range at the manual shift mode. Upon selection of a shift mode from the automatic shift mode to the manual shift mode, the...
08/21/2007
7257522Simulator for automatic vehicle transmission controllers
A simulator comprising computer-aided design programs for simulating a shift control algorithm stored in an ECU of an automatic transmission having hydraulic clutches. In the simulator, a simplified hydraulic model describes the entire system so as to design a third...
08/14/2007
7236871Acceleration limiting for a vehicle
A method and apparatus to control acceleration of a vehicle equipped with an electrically variable transmission and including a regenerative braking system, each are operably connected to a vehicle driveline. The method and apparatus include determining which one of...
06/26/2007
RE39684Automatic automobile transmission with variable shift pattern controlled in response to estimated running load
An automatic transmission control system for an automobile, comprising a vehicle weight estimation unit which estimates a vehicle weight of the automobile a torque estimation unit which estimates an output torque, an acceleration input unit which accepts an accelera...
06/05/2007
7225073Cruise control for vehicle
The present invention relates to a motor vehicle comprising an internal combustion engine and a first electronic control unit (48) for controlling the engine depending on the setting of a manual throttle, an electronic control unit (45) for controlling...
05/29/2007
7223206Motor vehicle with auxiliary brake and method to control speed change during shifting such a vehicle
Motor vehicle with an internal combustion engine, a transmission and at least a first and a second brake device. The first brake device acts directly on at least some of the wheels of the vehicle and the second brake device acts on the driving wheels of the vehicle ...
05/29/2007
7204784Apparatus for controlling a gear ratio changing operation in a transmission
An apparatus for controlling a gear ratio changing operation in a transmission includes clutch controlling device, a motor generating an assist driving torque, and an assist driving torque controlling device for controlling, in response to a clutch operation, the mo...
04/17/2007
7206673Driver assisting system
A method and a system for assisting a driver operating a driver controlled input device within a vehicle, acquires data including information on environment in a field around the vehicle and information on vehicle setting regarding how devices are set within the veh...
04/17/2007
7188008System for controlling the operation of at least one aircraft engine
A system for supervising the speed of at least one engine of an aircraft includes three independent information sources determining first, second and third values for an aerodynamic parameter of the aircraft and precision information indicating the precision of thes...
03/06/2007
7146264Method and system for controlling an automatic transmission using a GPS assist having a learn mode
A method and system for controlling an automatic transmission is disclosed. The method and system include obtaining positioning data using a global positioning satellite (GPS) and monitoring the automatic transmission to obtain transmission data. The method and syst...
12/05/2006
7142967Features of main control computer for a power machine
The present invention is directed to a computer based control system for controlling hydraulic and electromechanical actuators on a power machine, such as a skid steer loader. The computer based control system is configured to implement a number of features to enhan...
11/28/2006
7120531Method of determining a default transmission input speed
A default value of transmission input speed in a motor vehicle powertrain having an automatic-shift multi-gear ratio power transmission is continuously updated based on a measured value of the input speed and other reliable speed data including transmission output s...
10/10/2006
7110871Method for determining preferred input operating points for a vehicle transmission
Preferred operating points for a vehicle powertrain including an engine and a transmission are determined in accordance with a comprehensive operational mapping of input and output conditions and corresponding aggregate system losses corresponding to engine and tran...
09/19/2006
7107134Method of determining a default transmission output speed
A default value of transmission output speed in a motor vehicle powertrain having an automatic-shift multi-gear ratio power transmission is continuously updated based on a measured value of the output speed and other reliable speed data including transmission input ...
09/12/2006
7096852Haptic throttle devices and methods
An apparatus includes a sensor configured to be coupled to a throttle interface. The sensor is configured to output a sensor signal associated with a condition of the throttle interface. A first brake element has a first friction surface and a second brake element h...
08/29/2006
7094176Method for carrying out gear shifting in a twin-clutch gearbox
The invention relates to a method for carrying out gear shifting in a twin-clutch gearbox comprising at least two gearbox input shafts which are respectively coupled to the engine by means of a clutch. According to the invention, after recognizing a desire to change...
08/22/2006
7092807Device for inclination determination and arrangement for the setting of a driver command
The invention relates to a device for the determination of the inclination of the roadway in a vehicle, with an arrangement (4), for at least the indirect determination of parameters, which at least indirectly characterize the inclination of the roadway. Said...
08/15/2006
7086989Control method for shifting a powershift transmission
In a transmission during a shifting process while torque is transferred from a power-outputting clutch, which is initially in the adhered state, to a power-receiving clutch, which is initially open, the power-receiving clutch increases torque capacity in a slip regi...
08/08/2006
7081068Transmission system for work vehicle
A transmission system for a work vehicle, which is capable of reliably mitigating, with relatively simple arrangement, shocks caused by speed changes even in a work vehicle such as a bulldozer in which almost all operations are performed with the engine operating at...
07/25/2006
7074160Controller for driving system of vehicle
A control device for a drive line of a vehicle, in which a drive line from a power source to drive wheel includes a wheel control for controlling the speed of the wheels, and a connection mechanism for increasing/decreasing a torque transmission capacity between the...
07/11/2006
7069801Apparatus for generating tactile force for a vehicle
An apparatus for generating tactile force for a vehicle is provided, which includes a motor for generating the tactile force, a spring for generating the tactile force, an electromagnetic brake for cooperatively generating the tactile force with at least one of the ...
07/04/2006
7069800Coupling device and a method for coupling
Method and apparatus for positioning a coupling means in a gearbox in a first gear position, a second gear position and an intermediate neutral position. The apparatus includes a housing (5) that forms a working cylinder (6), a main piston (7) a...
07/04/2006
7059999Method and device for controlling the drive unit of a vehicle
A method and an arrangement for controlling the drive unit of a vehicle are suggested which prevent a lost motion and a dead path in the interpretation of the position of the accelerator pedal for forming a desired acceleration. An acceleration command is derived fr...
06/13/2006
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