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"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 8150587 | Shift control device of transmission An ECU is configured to disengage a clutch by driving a motor upon detection of starting of a shift operation, and to engage the clutch upon detection of completion of the shift change. The shift operation starting detection is detected upon determination that an op... | 04/03/2012 |
| 8145399 | Method for instructing a collective gear shift request in a gear box and a method for communicating a gear shift instruction to a gear box Method and arrangement for providing an electronic gear shift selector associated with an automatic mechanical transmission for a heavy vehicle. The gear shift selector includes a toggle switch for asserting at least one gear shift request, a counter receiving the a... | 03/27/2012 |
| 8055419 | Multi-functional display for tachometer A novel display apparatus and method that enables the operator to shift gears smoothly on motor vehicles is described. The display shows engine revolutions per minute (RPM) at various traveling speeds for any gears all in one dial. The display may also show shifting... | 11/08/2011 |
| 8019519 | Shift control unit and method for controlling a shift procedure in a stepped transmission A shift-by-wire control unit is provided that includes, but is not limited to a sensor for detecting the position of a shift lever, which is movable on a path between a neutral position and at least one shift position, a control circuit, and an actuator for driving ... | 09/13/2011 |
| 7979185 | Method for determining the mass of a motor vehicle A method for determining a motor vehicle mass which is implemented in conjunction with shifting an automated shift transmission from a current gear to a desired gear. In determining the mass, a value force and movement parameters are determined partly before or afte... | 07/12/2011 |
| 7676313 | Target speed control strategy for power-off shifts in a hybrid electric vehicle A method for controlling a power-off shift from a current gear to a target gear in a hybrid electric powertrain including an engine, electric motor and automatic transmission includes the steps of determining an initial target speed for the current gear, operating t... | 03/09/2010 |
| 7447584 | Gear shift indication method and apparatus A method and apparatus for communicating an optimal gear shift time is disclosed. The apparatus includes an input circuit that obtains a plurality RPM readings over a selected interval of time, a processing module that determines an RPM acceleration based upon the p... | 11/04/2008 |
| 7356398 | Synchronous shift control in an electrically variable transmission Synchronous shift control in a multi-mode, hybrid transmission utilizes motor torques to control clutch synchronizations and torque conditions thereacross for substantially torque disturbance free shifting from one mode to another. ... | 04/08/2008 |
| 7349784 | Control method for automobile transmissions A control method for automatic transmissions wherein a reverse motion condition in the neutral or drive ranges, caused by burning or the like in the operating devices of the automatic transmission, can be automatically detected to prevent an unwanted reverse motion ... | 03/25/2008 |
| 7255019 | Method of detecting false neutral in an automated transmission system A method and system for controlling downshifting in an automated mechanical transmission system (10) utilized on a vehicle. When an automatic power downshift from a currently engaged ratio (GR) is required, the engine acceleration (EA) is monitored and compar... | 08/14/2007 |
| 7223189 | Electronically servo-assisted bicycle gearshift and related method A method for electronically servo-assisting a bicycle gearshift, including the steps of: a) driving an actuator of a bicycle gearshift to displace a chain of the gearshift in an axial direction with respect to a gearshift group comprising at least two sprockets; b) ... | 05/29/2007 |
| 7219782 | Device and method for detection of a gear position in an automotive gearbox A gear position in an automotive gearbox is detected on the basis of measuring a value indicative of the speed of a rotating shaft between an engine and the gearbox, and a value indicative of the speed of an output shaft from the gearbox, and calculating a quotient ... | 05/22/2007 |
| 7219001 | Transmission shift indicator apparatus and method A transmission system for a vehicle includes an automatic transmission configured to automatically change speed ratios between an input member and an output member. An indicator is configured to provide an indication of predetermined speed ratio changes to a driver ... | 05/15/2007 |
| 7206689 | Method for optimizing fuel consumption in a machine powered by an internal combustion engine A method for optimizing fuel consumption in a machine powered by an internal combustion engine includes providing a fuel economy map associated at least in part with the internal combustion engine, the fuel economy map defining a fuel economy at a plurality of opera... | 04/17/2007 |
| 7203587 | Shift lever operating position judging device A shift lever operating position judging device includes a position sensor having switches. Each switch is arranged to be at an ON state within a different range in a shift lever operating range, and two or three switches out of the plurality of switches are at the ... | 04/10/2007 |
| 7194348 | High acceleration time shift control apparatus and control method for vehicle A high acceleration time shift control apparatus and method for a vehicle is provided. The high acceleration time shift control apparatus includes a transmission which achieves plural shift speeds whose gear ratios are different from each other; and a high accelerat... | 03/20/2007 |
| 7164350 | Back up alarm system A back up alarm system for a vehicle including a sensor for generating a vehicle motion status signal with a vehicle reverse gear engaged. The vehicle motion status signal includes a base electrical signal when the vehicle is stationary and the vehicle motion status... | 01/16/2007 |
| 7139653 | Common control interface for diverse automated manual transmissions A gearshift to transmission controller interface is based on a controller area network and a gearshift interface interposed between the gearshift and associated displays and the network bus. The shift controller can be made universal to all transmission types of aut... | 11/21/2006 |
| 7134355 | Gear box for motor vehicles Method and device for providing an increment shifted transmission (9) for motor vehicles including an in-going shaft in a housing. At least one intermediate shaft in the housing exhibits at least one gear wheel (16, 17) in engagement with a gearwheel (... | 11/14/2006 |
| 7108634 | Apparatus and method for controlling clutch of mechanical automatic transmission The present invention aims at providing an apparatus and method for controlling a clutch of a mechanical automatic transmission which enables smoother start of movement. To this end, range setting means sets an engine speed range in which engine output torque achiev... | 09/19/2006 |
| 7097587 | Ratio selection method for a continuously variable transmission A gear ratio selection method for a transmission in a motor vehicle includes detecting a power request, detecting a vehicle speed of the motor vehicle, and providing an engine speed of the motor vehicle. A first desired engine speed is calculated from a first variog... | 08/29/2006 |
| 7094177 | Shift device of transmission A shift control ECU includes the steps of storing a position of a shift lever; starting a count-up timer when the shift lever comes to a neutral position; and recognizing a driver's request for the neutral position when a count-up timer value attains TN(1) if... | 08/22/2006 |
| 7091842 | Four wheel drive alert An apparatus is disclosed comprising an audio alert device, a timer, a processor; and a four-wheel drive device for a subject vehicle. The processor may activate the timer when the four-wheel drive device indicates that the subject vehicle has been placed in a four-... | 08/15/2006 |
| 7058496 | Method and apparatus for determining a vehicle gear ratio An electronic control system includes two speed sensors connected to a microcontroller that is configured to read the sensors and perform the process of determining the gear ratio of a vehicle gearbox. The process includes calculating (several times) which of at lea... | 06/06/2006 |
| 7048672 | Method for controlling the shifting of an automated twin-clutch transmission A method for controlling the shifting operation of an automated twin-clutch transmission includes executing a shifting operation between a load gear and a target gear assigned to a first transmission unit by using an intermediate gear assigned to a second transmissi... | 05/23/2006 |
| 7024306 | Evaluation system for vehicle operating conditions and evaluation method thereof A calculation unit (3) determines whether or not an operation which worsens fuel economy has been performed, and if it is determined that an operation which worsens fuel economy has been performed, the calculation unit (3) respectively calculates the a... | 04/04/2006 |
| 7014593 | Apparatus and method for controlling clutch of mechanical automatic transmission The present invention aims at providing an apparatus and method for controlling a clutch of a mechanical automatic transmission which enables smoother start of movement. To this end, range setting means sets an engine speed range in which engine output torque achiev... | 03/21/2006 |
| 7012514 | System for facilitating the launch of a drag racing vehicle A performance enhancement system incorporating a controller, an engine tachometer and a visual indicator light which illuminates within a predetermined range of engine RPMs and which may be separately mounted as required in the driver's visual focal plane to reduce ... | 03/14/2006 |
| 7013207 | Automotive performance meter Methods, systems and circuits for analyzing the performance of a vehicle having an electrical system are provided which determine a shift point while the vehicle is being driven. The shift point is determined using acceleration data and RPM data generated from the e... | 03/14/2006 |
| 6985804 | Evaluation system for vehicle operating conditions An evaluation system for vehicle operating conditions which is applied to a vehicle provided with an engine (1) and a manual transmission (8) connected to the engine (1) comprises a sensor (21, 24) for detecting the operating conditions o... | 01/10/2006 |
| 6937930 | Transmission control system An apparatus controls a vehicle having an engine including a throttle having a throttle position sensor, the throttle being adjustable to vary the speed of the vehicle, a transmission having an input shaft, an output shaft, and drive means there between providing a ... | 08/30/2005 |
| 6920384 | Driving force control apparatus for vehicle A driving force control apparatus for a vehicle includes an accelerator opening sensor that detects an accelerator opening for a vehicle, and an automatic transmission control device that controls an automatic transmission based on road information and the accelerat... | 07/19/2005 |
| 6915681 | Gear-shift control device and gear-shift control method for automatic transmission An ECT-ECU includes a circuit that calculates an oil temperature threshold on the basis of a signal input from one of an engine coolant temperature sensor, an engine intake air temperature sensor, and an AT hydraulic fluid temperature sensor if a signal for starting... | 07/12/2005 |
| 6902318 | Thermometer for engine of vehicle Provided is a thermometer that is mounted on an engine incorporated in a vehicle and that measures the temperature of the engine during running of the vehicle. A temperature/resistance element included in the thermometer senses the temperature of the engine all the ... | 06/07/2005 |
| 6865467 | Method of operating a vehicle transmission Specific shift positions of an electrically actuated vehicle transmission, such as first to fifth, neutral and reverse gears, are detected by monitoring one or more characteristic electrical variables, e.g., actuator currents, during a shift movement of the transmis... | 03/08/2005 |
| 6853900 | Pressure control device and method for program-controlled actuation of a pressure-regulating mechanism A pressure control for the program-controlled drive of at least one pressure actuating member influences the hydraulic constellation in a transmission via the pressure (p). The program-controlled drive takes place via changes of states (z; Z0, Z1, Z... | 02/08/2005 |
| 6843756 | Downshift control apparatus of vehicular automatic transmission, and control method thereof In a vehicle in which a moderate throttle opening degree control of maintaining a degree of throttle opening that is less than a degree of throttle opening that corresponds to an accelerator operation is performed for a predetermined period following a beginning of ... | 01/18/2005 |
| 6754573 | Vehicle and engine control system and method An engine control system controls engine torque to transition through the transmission lash zone. The transmission lash zone is determined using speed ratio across the torque converter. When near the transmission lash zone, engine torque is adjusted at a predetermin... | 06/22/2004 |
| 6694241 | Shift control method and system for automatic transmission A shift control method and system is disclosed in which the number of shift signals generated within a predetermined time period after a first shift signal is determined and compared to a predetermined number. If the number is equal to or greater than the... | 02/17/2004 |
| 6676567 | Speed change completion degree estimating system of automatic transmission and speed change control device using same An automatic transmission is driven by an engine through a torque converter. The transmission includes a plurality of friction elements which are selectively engaged to provide a selected gear thereby to transmit the power of engine to an output shaft of ... | 01/13/2004 |
