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| Number | Title | Issue Date |
| 8137237 | Device for actuating a plurality of hydraulic control cylinders A device for actuating a plurality of hydraulic control cylinders having a pressure regulating valve with a first and a second pressure regulating output, a first selector valve connected downline from the pressure regulating outputs, a second selector valve connect... | 03/20/2012 |
| 8033956 | Hydraulic control unit A hydraulic control system of a friction device where fail-safe is required is provided with one oil pressure switch and one pressure changeover valve. The pressure changeover valve is switched by auxiliary oil pressure based on an operation of the oil pressure cont... | 10/11/2011 |
| 7905811 | Speed changing structure for work vehicle A speed changing structure for a work vehicle, comprising a travel speed changing device having a plurality of speed change positions, a manually operated speed changing lever (63), control means (64) for controlling the travel speed changing device, a... | 03/15/2011 |
| 7854681 | System for controlling a machine with a continuously variable transmission A system for controlling a machine with a continuously variable transmission includes a first control device configured to produce a first signal based on a first operator input and a second control device configured to produce a second signal based on a second oper... | 12/21/2010 |
| 7828695 | Control apparatus and method for shift-position changing mechanism A control apparatus for a shift-position changing mechanism that changes the shift positions of an automatic transmission mounted in a vehicle using a rotational force of an actuator based on the state of an operation member includes: a detection unit that detects a... | 11/09/2010 |
| 7749134 | Control module A control module, in particular for a transmission of a motor vehicle, has a substrate part, a control unit situated on a substrate part, which has a first housing part and a second housing part and a housing interior situated between the first housing part and the ... | 07/06/2010 |
| 7572203 | Automatic transmission system and method for controlling automatic transmission apparatus An SBW storage of an SBW controller stores a rotational angular position of an output shaft of an electric actuator. When the SBW controller is restarted due to instantaneous power interruption, the SBW controller maintains and uses the current angular position of t... | 08/11/2009 |
| 7566289 | 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... | 07/28/2009 |
| 7547266 | 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... | 06/16/2009 |
| 7520835 | Fluid circuit module and automatic transmission A fluid circuit module controls a fluid to be supplied to a movable element in an automatic transmission. The fluid circuit module is provided with a first body in which a first flow passage is formed, a second body in which a second flow passage is formed. A separa... | 04/21/2009 |
| 7476177 | Method and apparatus for estimating transmission ratio A method and apparatus for estimating a transmission ratio of a power transmission path defined between input and output shafts is provided. The method includes detecting a rotational speeds of the input and output shafts, calculating a rotational-speed ratio betwee... | 01/13/2009 |
| 7433770 | Hydraulic fluid change indicating device for automatic transmission A hydraulic fluid change indicating device for an automatic transmission includes a first deterioration rate calculating unit; a deterioration acceleration coefficient calculating unit; and a thermal hydraulic fluid deterioration calculating unit for calculating a t... | 10/07/2008 |
| 7421326 | Clutch fault detection A method for detecting a clutch fault of an automatic transmission includes determining a current clutch energy density of a clutch during a range shift and comparing the current clutch energy density to a first energy density threshold. A diagnostic alert is activa... | 09/02/2008 |
| 7379807 | Method for handling control data for an electronic control device of an automatic transmission Within the scope of the method for transfer of characteristic quantities or characteristic lines of an automatic transmission from the final test stand or transmission acceptance test stand to an electronic control, especially to the engine control, the characterist... | 05/27/2008 |
| 7349785 | Method of controlling clutch slip during gear shifts of an automatic transmission A method is provided for controlling engagement of a clutch which carries torque before, during and after a shifting event in a transmission which is connected to a throttle-controlled engine. The method includes providing a feed forward input command which increase... | 03/25/2008 |
| 7343236 | Electronic control system The present invention provides a universal power control module for automatic transmissions. The power control module includes a processor and at least two sensor inputs that convey engine and vehicle data to the processor. This data may include vehicle speed, engin... | 03/11/2008 |
| 7337051 | Shift control apparatus for step-variable automatic transmission A shift control apparatus for controlling shifting actions of a step-variable automatic transmission having a plurality of selectable groups of forward-drive positions (e.g., normal-spread group and narrow-spread or wide-spread group) having respective different set... | 02/26/2008 |
| 7324885 | Shift through neutral control in an electrically variable transmission A shift control for an electrically variable transmission shifts between modes through a neutral mode wherein the output is decoupled from the transmission. Normally, shifts between modes are accomplished synchronously through a duration of fixed-ratio operation. Ex... | 01/29/2008 |
| 7318787 | Control device for vehicular drive system A control device for a vehicular drive system including (a) a differential mechanism operable to distribute an output of an engine to a first electric motor and a power transmitting member, and (b) a second electric motor disposed between the power transmitting memb... | 01/15/2008 |
| 7316283 | Automatic transmission controller for hybrid vehicle An automatic transmission controller for a hybrid vehicle of the present invention is used for the hybrid vehicle being a four-wheel drive vehicle and including an engine and a generator motor on a front wheel side of the hybrid vehicle and a traction motor on a rea... | 01/08/2008 |
| 7292922 | Target volume based torque phase control during upshift A transmission control system includes a first gear engagement element that receives fluid and engages a first gear. An electromagnetic actuator selectively interrupts fluid flow to the first gear engagement element based on a duty cycle of a control signal. A contr... | 11/06/2007 |
| 7282004 | Electrically variable transmission having three interconnected planetary gearsets, a stationary member and a fixed input The electrically variable transmission family of the present invention provides low-content, low-cost electrically variable transmission mechanisms including first, second and third differential gear sets, a battery, two electric machines serving interchangeably as ... | 10/16/2007 |
| 7274984 | Vehicle stability enhancement system A side-slip velocity estimation module for a vehicle stability enhancement control system includes a side-slip acceleration estimation module that estimates a side-slip acceleration of a vehicle. A multiple-order integrator integrates the side-slip acceleration to g... | 09/25/2007 |
| 7247121 | Control device for automatic transmission A position sensor for an automatic transmission has multiple switches, each of which generates “ON” or “OFF” signal depending on a selected position of a shift lever. Signal patterns (“ON” and “OFF” signals) of the normal operation are memorized as a... | 07/24/2007 |
| 7243016 | Single wire dual speed signal system A control system and method for communicating with a transmission includes a transmission input speed sensor that generates an input speed signal. A transmission output speed sensor generates an output speed signal. A power supply supplies a total current to the tra... | 07/10/2007 |
| 7231844 | Transmission control system A transmission control system is capable of promptly compensating for a disturbance attributable to a mechanical interference that takes place in a selecting operation so as to quickly complete the selecting operation. An adaptation disturbance observer provided in ... | 06/19/2007 |
| 7226385 | Control apparatus for controlling driving device of vehicle A control apparatus for controlling a driving device of a vehicle, the driving device including a transmission system including (A) a non-step speed change portion which includes (a1) a differential device including a first rotary element connected to an engine, a s... | 06/05/2007 |
| 7225073 | Cruise 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 |
| 7225071 | Vehicle transmission control system Clutch pressure is reduced when a vehicle is stopped with an engine (1) in an idling state. Once a turbine rotation speed increases to a predetermined rotation speed, the clutch pressure is increased to an initial pressure. After the initial pressure is reach... | 05/29/2007 |
| 7220327 | Kick-down drum material and method of manufacturing the same Disclosed is a material of a kick-down drum comprising fine ferrite and microdispersion spheroidized cementite for an automobile also disclosed is a method for manufacturing the kick-down drum material. The kick-down drum of this invention can greatly improve harden... | 05/22/2007 |
| 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 |
| 7176643 | Motor control apparatus Before an amount of play in a rotation transmitting system is learned, for selecting a gear range, an overshooting control process is performed to cause the angular displacement of a motor to overshoot a target gear range position and then reverse the electric motor... | 02/13/2007 |
| 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 |
| 7139652 | Range selection control device of automatic transmission A range selector issues a range selection command signal representative of an operation range of a shift-by-wire type automatic transmission meeting with a driver's intention. The operating range is at least one of P(parking)-range, R(reverse)-range, N(neutral)-rang... | 11/21/2006 |
| 7131267 | Dual neutral start switches Dual neutral start switch configurations for preventing vehicle users from starting or activating a vehicle engine under certain circumstances and designed to be part of the control arm or return-to-neutral configuration are disclosed. These configurations may be us... | 11/07/2006 |
| 7124010 | Driving assist system for vehicle A vehicle driving assist system comprises a condition recognition device that detects a vehicle condition and a traveling environment around a subject vehicle; a reactive force application device that applies a reactive force, in conformance to the vehicle condition... | 10/17/2006 |
| 7120530 | Control apparatus of contact mechanism A low cost control apparatus of a contact mechanism resolving a disadvantage caused when a contact body is moved to make contact with a contacted body by an actuator. A synchronizing mechanism, which a coupling sleeve rotatably and integrally provided with an input ... | 10/10/2006 |
| 7107135 | Auxiliary gearset shift progression command generator for a swap-shift automatic transmission A target command generator for use in a control system for an automatic transmission having a simple planetary gearset in series with a multiple-ratio gearset, the target command generator providing input for a controller for the simple planetary gearset to achieve ... | 09/12/2006 |
| 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 |
| 7076355 | Shift control apparatus for vehicle step-variable automatic transmission A shift control apparatus for controlling shifting actions of a step-variable automatic transmission for a vehicle, which has a plurality of selectable groups of forward-drive positions having respective different sets of speed ratios, each one of the selectable gro... | 07/11/2006 |
