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...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 8105204 | Method and device for controlling a fluid-actuated control system A method and a device for controlling a fluid-actuated control system of an automatic or automated transmission of a motor vehicle, which has at least one pressure medium source, at least two control elements that are actuated by pressurized fluid and a control devi... | 01/31/2012 |
| 8088040 | Process for actuating a transmission mechanism A process for actuating a transmission mechanism having hydraulic shifting elements for changing gear ratios by using electric actuators to adjust the actuating pressures of the shifting elements. Upon a request from an engine start/stop function for shutdown of an ... | 01/03/2012 |
| 7951043 | Method and device for controlling the oil supply of an automatic gearbox and a starting element A method and a device for controlling the oil supply of an automatic transmission (gearbox) and to a starting element. The method can guarantee a sufficient supply of oil to a hydraulic control unit of the automatic transmission and/or the starting element, in parti... | 05/31/2011 |
| 7789798 | Transmission upshift control method A method of controlling an upshift in a transmission having a main box and a compounder that has at least one gearset and at least one friction element separate from the main box includes initiating an upshift in the main box including application of at least one fr... | 09/07/2010 |
| 7402123 | Automatic transmission control method and system having fail-safe function In an automatic transmission control system and method, an electronic control unit is programmed to output a command to establish another gear stage different from the gear stage at the time of occurrence of fault-induced disengagement by combination of engagements ... | 07/22/2008 |
| 7370516 | Method for estimating transmission input torque A method for estimating transmission input torque is provided. The method includes identifying a plurality of measurable characteristics that influence transmission input torque. Thereafter, transmission input torque values are measured on a sample powertrain operat... | 05/13/2008 |
| 7367923 | 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 th... | 05/06/2008 |
| 7363127 | Air brake system monitoring for pre-trip inspection Vehicles equipped with air brake systems and compressed air systems for supporting operation of the brakes provide for automated inspection of the air compressor system using an onboard vehicle or engine management computers. During vehicle operation, the system con... | 04/22/2008 |
| 7351176 | Line-to-lube pressure regulator valve assembly A line-to-lube pressure regulator valve assembly for an automatic transmission including an internal check valve that opens in the Park gear range and at low engine speeds to feed line pressure to the torque converter in response to a substantially lower hydraulic f... | 04/01/2008 |
| 7338402 | Device for controlling an automatic transmission A device for the hydraulic control of an automatic transmission, especially a continuously variable automatic transmission. The control system comprises a forward/reverse drive unit (4), which is controlled by way of at least a first and a second shifting com... | 03/04/2008 |
| 7328094 | Vehicle take-off control apparatus and method A take-off control apparatus and method is provided for a vehicle equipped with an automatic transmission having an apply element that is applied when the vehicle takes off from a standstill, which executes a neutral control that releases the apply element when the ... | 02/05/2008 |
| 7314428 | Downshift control for automotive automatic transmission An automotive automatic transmission control system is provided which is designed to increase the output of an engine in response to a driver's request to downshift a transmission for setting up the engine braking and to load the amount of working fluid to an on-com... | 01/01/2008 |
| 7306542 | Electronic throttle control (ETC) drag torque request security A throttle control method includes generating a throttle request based on a drag torque request and setting a throttle command equal to the throttle request when the throttle request is less than a throttle idle maximum. A throttle maximum increase is determined whe... | 12/11/2007 |
| 7306543 | Automatic transmission controller An automatic transmission controller has an electronic control circuit, an electromagnetic valve, and a pressure control valve. The electronic control circuit generates a control current. The electromagnetic valve regulates a command pressure in accordance with the ... | 12/11/2007 |
| 7300380 | Cooperative control system for prime mover and continuously variable transmission of vehicle A cooperative control system for a prime mover and a continuously variable transmission of a vehicle, in which the continuously variable transmission is connected to an output side of the prime mover for generating a driving force for running, and in which a clampin... | 11/27/2007 |
| 7278953 | Transmission 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 |
| 7274983 | Shift control method and apparatus of automatic transmission of vehicle When a sport mode shifting request occurs during gear shifting of an automatic transmission according to a vehicle running state, a transmission control unit determines whether or not to accept the sport mode shifting request on the basis of an expected turbine spee... | 09/25/2007 |
| 7264573 | Automatic transmission control apparatus having diagnostic function An automatic transmission control apparatus controls a gear position by engaging and disengaging multiple frictional elements. A hydraulic pressure detector detects hydraulic pressure applied to the frictional elements. A failure determiner determines a failure, i.e... | 09/04/2007 |
| 7243767 | Transmission hydraulic control unit A hydraulic system of a transmission, for an automatic transmission of a motor vehicle, having several pressure circuits which can be loaded with hydraulic fluid from a pressure source and in relation to the supply of different areas of the transmission are differen... | 07/17/2007 |
| 7236869 | Blended torque estimation for automatic transmission systems A torque prediction module for an automatic transmission system includes a throttle-based torque prediction module. The throttle-based torque prediction module determines a first predicted torque of an engine in a vehicle that is based on a position of a throttle, a... | 06/26/2007 |
| 7220214 | Shift control system for automatic transmission A shift control system for an automatic transmission. The shift control system includes an oil temperature sensor, a hydraulic controller to operate a hydraulic clutch, and a control unit in operative communication with the oil temperature sensor and the hydraulic c... | 05/22/2007 |
| 7216025 | Adaptive pressure control method for synchronous downshifts in a multiple-ratio transmission An adaptive pressure control method for synchronous downshifts in an automatic transmission that uses pressure actuated friction elements. The method uses characteristic parameters that determine downshift quality for both power-on downshifts and power-off downshift... | 05/08/2007 |
| 7207921 | Transmission cold start burst rattle reduction A vehicle having an engine that drives a transmission includes a pump that provides fluid to the transmission and a temperature sensor that monitors a temperature of the fluid. The temperature sensor generates a temperature signal. A control module receives the temp... | 04/24/2007 |
| 7172040 | Riding type mower A work vehicle comprises: a plurality of wheels; a vehicle body supported by the wheels; a transmission case provided on the vehicle body, the transmission case having a first case portion and a second case portion and a middle portion extending between respective l... | 02/06/2007 |
| 7164981 | Line pressure variable control method and system for an automatic transmission A line pressure variable control method for an automatic transmission uses a solenoid valve to control a line pressure according to a duty ratio thereof. The method includes determining whether a current shift range is one of forward driving shift ranges, calculatin... | 01/16/2007 |
| 7131932 | Method for determing 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 synchron... | 11/07/2006 |
| 7128688 | Hydraulic control for automatic transmission A hydraulic control system for an automatic transmission includes a lubrication passage for feeding lubricating oil to a wet clutch and lubrication points of the transmission, first and second passages with a large-diameter orifice and a small-diameter orifice, resp... | 10/31/2006 |
| 7115069 | Electronic adaptive swap-shift control for an automatic transmission for automotive vehicles A control system and control method for a swap-shift transmission having auxiliary and main gearsets wherein precise synchronization control of ratio changes of each gearset at the start and at the end of a swap-upshift progression is achieved using an adaptive cont... | 10/03/2006 |
| 7115067 | Method and apparatus for controlling joint force of friction-joint component mounted on vehicle An apparatus is provided for controlling a joint force of a friction-joint component placed in a torque transmitting mechanism (e.g., transmission) mounted on a vehicle. The friction-joint component is connected to a drive source. The apparatus comprises a guideline... | 10/03/2006 |
| 7112154 | System and method for hydraulically controlling automatic transmission Hydraulic control system and method for an automatic transmission. The hydraulic control system includes a hydraulic pressure source, a flow rate control valve having a spool with an orifice and a drain hole, stroke position determining means, and pressure regulator... | 09/26/2006 |
| 7108632 | 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 eleme... | 09/19/2006 |
| 7104925 | Automatic transmission and method of setting a standby oil pressure value Under the learning mode during a vehicle stationary condition, an oil pressure of the friction engagement element for setting a standby oil pressure value is increased by a predetermined step pressure while a transmission input shaft rotational speed has been mainta... | 09/12/2006 |
| 7085631 | Vehicle and method for operating an engine in a vehicle A vehicle and method are provided that determine a misfire torque limit for an engine in the vehicle. The vehicle includes an electric machine operable to provide torque to the engine. The method includes commanding the engine to operate at a predetermined torque an... | 08/01/2006 |
| 7066855 | Line pressure control apparatus for continuously variable transmission There is provided a line pressure control apparatus that is comprised of a line pressure control section that controls line pressure according to its target value calculated based on input torque information, target gear ratio, and so forth; and a line pressure sett... | 06/27/2006 |
| 7066862 | Method for a shift control of a power shift transmission A method for a shift control of a power shift transmission includes closing an incoming, engaging clutch unit assigned to a new gear and opening the outgoing, disengaging clutch unit assigned to an old gear such that the closing and the opening overlap in time. The ... | 06/27/2006 |
| 7043347 | Hydraulic clutch control of vehicle power train A hydraulic clutch transmits driving torque in a power train of a vehicle. An oil pressure supply unit supplies oil pressure for engagement to the clutch and a controller controls the unit. The controller causes the unit, prior to engagement of the clutch, to precha... | 05/09/2006 |
| 7006907 | Control apparatus and method for automatic transmission In control apparatus and method for an automatic transmission, an initial hydraulic reference value is calculated which provides a reference value of an initial hydraulic from a shift kind and a throttle opening angle or from the parameter value corresponding to the... | 02/28/2006 |
| 7003394 | Engine controller An engine controller controls an injection quantity or intake airflow supplied to a cylinder of an engine. Constant associated with e running resistance of the vehicle are reconfigured according to vehicle specifications when a change is made to the vehicle specific... | 02/21/2006 |
| 7001299 | Control apparatus of automatic transmission According to an aspect of the present invention, an automatic transmission includes plural friction engaging elements configures plural shift ranges based on combinations of each friction engaging element being in engaging or disengaging condition, a controlling uni... | 02/21/2006 |
| 6971971 | Method and system for an adaptation of an engagement of an automated clutch A clutch is operated by an actuating pressure pressure during an engaging process of the clutch. The actuating pressure is controlled over time such that predetermined characteristics for an engagement of said clutch are approximated by starting a process for changi... | 12/06/2005 |
