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7628009 |
Exhaust aftertreatment system with transmission control
A power generation system comprising a LNT for exhaust aftertreatment. The LNT has an effective operating temperature range. When the LNT is near a limit of its effective operating temperature...
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7625312 |
Control device for vehicle
An ECT-ECU executes a program including the steps of: executing an oil cooler abnormality determination process; if the oil cooler is abnormal and an oil temperature TH is at least an...
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7604568 |
Method for controlling 3-2 shift before stopping of automatic transmission and system thereof
A method and system for controlling a 3→2 shift before stopping of an automatic transmission reduces shift shock as a consequence of an operation of a control duty being delayed according to an...
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7581612 |
Drive force distribution device and method for distributing drive force
An IG-off-timer measures the time t_off from when an engine is stopped, or an ignition is turned off. An ECU sequentially memorizes an estimated temperature of each of heat generating portions as a...
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7567051 |
Position shift control apparatus ensuring durability and operation accuracy thereof
A position shift control apparatus is provided which includes an electrical motor joined to an object through an output shaft and a torque transmission mechanism, a detent mechanism producing...
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7553257 |
Drive force distribution device and method for distributing drive force
An ECU estimates the temperatures of the heat generating portions provided in a drive force transmission system, or a transaxle, a rear differential, and a torque coupling, in correspondence with...
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7553256 |
Hydraulic control apparatus for belt-drive CVT of vehicle
A hydraulic control apparatus of a belt-drive CVT, controlling a transmission ratio by changing respective effective rotation radii of driving and driven pulleys, includes vehicle information...
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7548811 |
Control apparatus of vehicle incorporating automatic transmission
An ECU executes a program including the steps of, when an oil level adjustment mode is attained, executing control of the engine speed if an AT oil temperature is higher than an oil temperature...
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7543693 |
Neutral control apparatus and method for a vehicle with an automatic transmission
The temperature of a friction engagement device of an automatic transmission is estimated, and the target speed ratio of a torque converter increases as the estimated temperature of the friction...
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7509197 |
Retarding system implementing transmission control
A retarding system for a work machine having a power source, a transmission, and a manually operated braking mechanism is disclosed. The retarding system has an engine retarder associated with the...
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7470211 |
Variable valve system of internal combustion engine and control method thereof
A valve characteristic changing mechanism is supplied with oil discharged from an electric oil pump in addition to oil discharged from a mechanical oil pump that is driven by an operation of an...
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7455618 |
Fluid level regulating method and fluid temperature regulator for automatic transmission
A fluid level of hydraulic fluid circulated in an automatic transmission is regulated while an internal combustion engine is running. When the fluid level is regulated, the hydraulic fluid is...
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7445579 |
System and method of compensating heating performance of continuously-variable-transmission-equipped vehicle
A system for compensating a heating performance a motor vehicle with a CVT, wherein the system includes a coolant-temperature sensor for sensing an engine-coolant temperature, and a transmission...
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7438664 |
Control apparatus for vehicle and hybrid vehicle
In a hybrid vehicle incorporating an internal combustion engine having an in-cylinder injector and a motor, when the temperature of the in-cylinder injector rises, if a current engine operation...
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7435201 |
Engine driven vehicle with exhaust cleaning
Method and arrangement for achieving lower emissions during operation of a vehicle that includes comprising a combustion engine ( 10 ) that emits exhaust gases into an exhaust system ( 140 ) having...
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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...
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7422544 |
Engine driven vehicle with exhaust emission cleaning
A method of producing lower emissions in the operation of a vehicle includes an internal combustion engine which gives off exhaust gases to an exhaust system comprising a catalytic converter,...
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7410446 |
Oil warming strategy for transmission
A method is provided for increasing a temperature of oil in a continuously variable transmission during engine start-up, the transmission including a fluid pump and motor, and a mechanical...
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7406948 |
Internal combustion engine controller
An engine ECU executes a program including: the step of outputting a fuel-cut instruction when conditions that an accelerator position PA is not higher than a threshold value and a rate of increase...
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7399257 |
System and method of controlling automatic transmission
A system for controlling an automatic transmission includes a start clutch, an engagement element arranged in series to the start clutch and engaged during vehicle driving, and an ECU for...
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7384375 |
Apparatus for controlling an automatic transmission
When a charge control is applied to a clutch during a shifting operation of an automatic transmission, a charge counter of this clutch is set to a predetermined value. When a drain control is...
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7370470 |
Method for increasing the exhaust gas temperature of internal combustion engines
A method for increasing the exhaust gas temperature of internal combustion engines, particularly for driving a motor vehicle under load in order to reach the necessary regeneration temperature of...
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7364529 |
Control device for hydraulic automatic transmission for vehicle
A control device for a hydraulic automatic transmission for a vehicle, including start control device for supplying a hydraulic pressure to a first hydraulic engaging element for a low-speed...
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7329206 |
Starting device for motor vehicles
A starting device has a first friction element, a second friction element, and a control unit controlling them to change their power transmission states. The friction elements are arranged between...
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7322903 |
Control method for cooling a launch clutch and an electric motor in a hybrid electric vehicle powertrain
A method is for controlling a rate of flow of cooling oil to a friction launch clutch and electric motor in a hybrid electric vehicle powertrain. The rate of flow is determined by changes in clutch...
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7309536 |
Method for vehicle thermal management
A method is provided which uses, or which calculates, a temperature gradient of a portion of a vehicle to determine a value equal to, or representative of, a time before a maximum allowable...
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7306538 |
Hydraulic control apparatus and method for automatic transmission
A hydraulic control apparatus for an automatic transmission with a line pressure regulator valve operative to regulate an oil pressure produced by an oil pump and set a line pressure, the hydraulic...
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7291092 |
Shift control apparatus and method for automatic transmission
In shift control apparatus and method for an automatic transmission in which an engine speed is inputted, and a shift change in a shift stage of the automatic transmission is performed to make a...
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7291091 |
Method for clutch control, in particular, for parallel gearboxes with wet clutches or wet dual clutches
A method for clutch control for wet clutches includes the following steps: determining whether a viscosity of clutch fluid lies above a predetermine threshold value; when the determined viscosity...
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7267633 |
Transmission control method for increasing engine idle temperature
The state of a fluid coupling in a motor vehicle powertrain is selectively controlled during neutral idle operation of the engine for increasing the engine temperature to a desired level. The fluid...
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7264572 |
Hydraulic control method for an automatic transmission for accelerator tip-in during static shifting and apparatus thereof
A duty jumping amount at an actual shift-begin point (SB point) during static shifting is calculated dependent on an automatic transmission fluid temperature and a turbine torque. Therefore, an...
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7258648 |
Model-based control for torque biasing system
A power transmission device equipped with a torque biasing system and control system for controlling the torque biasing system is operable to determine a torque command and calculate a torque error...
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7258640 |
Apparatus for compensating viscous characteristics of hydraulic fluid in a hydraulic pressure line
An apparatus for compensating the viscous characteristics of a hydraulic medium in a pressure line ( 10 ) in which apparatus a pressure nozzle ( 12 ) with constant geometry and constant...
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7255662 |
Power output apparatus and hybrid vehicle
An idle rotation speed Nidl of an engine is set to increase with an increase in actual vehicle speed V and with an increase in measured temperature Tb of a battery (step S 160 ). The drive control...
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7247123 |
System and method of controlling idle-stop vehicle
A system for controlling an idle-stop vehicle includes an ECU which carries out idle stop when the idle-stop permission conditions are established, and engine restart and engagement of a forward...
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7226386 |
Vehicle transmission control system
Clutch pressure is reduced to an initial pressure, and a transmission operation state is stored, when a vehicle is stopped with an engine in an idling state. The clutch pressure is further reduced...
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7223205 |
Method for controlling engine and/or transmission temperature
The method of the present invention is adapted to control transmission oil temperature. According to a preferred embodiment, the engine coolant temperature may be controlled in addition to or...
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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...
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7217222 |
Method and system for inferring and controlling transmission fluid temperature
A method is disclosed for limiting coolant temperature at a coolant flow exit port for a hydrokinetic torque converter in a powertrain for a vehicle having an engine and a power transmission...
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7207923 |
Method for reducing shift shock of automatic vehicle transmission by engine torque reduction control
The method for reducing shift shock of an automatic transmission includes: detecting a current power-on upshift state; and performing a first engine torque reduction control according to an engine...
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7192385 |
Upshift control method of a vehicle automatic transmission
The upshift control method of an automatic transmission for vehicles includes determining whether a start condition of a damper clutch control operation is satisfied during an upshift under a...
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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...
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7128687 |
Electromechanically actuated valve control for an internal combustion engine
A system and method to control engine valve operation in an internal combustion engine. Valves are controlled to improve vehicle drivability and reduce vehicle noise.
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7121976 |
System and method for controlling motor vehicle
A control system for a motor vehicle is provide which is capable of reducing a load on a friction engagement device and preventing the friction engagement device from being damaged. A transmission ...
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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...
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7104907 |
System and method of controlling automatic transmission
In a system for controlling an automatic transmission, at the time of ultra-low temperature start with the oil temperature of −20° C. or less, control is carried out such that when the state...
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7101311 |
Control system for continuously variable transmission of motorcycle
A control system for a continuously variable transmission of a motorcycle, which is capable of improving the steerability of the motorcycle in a low-speed range of the motorcycle. The motorcycle...
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7101310 |
Model-based control for torque biasing system
A method of controlling a torque biasing system includes determining a torque command, calculating a torque error based on the torque command and a model-based torque. A control signal is generated...
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7086988 |
Interactive gear engagement
A vehicle powertrain has an engine coupled to an electronically-controlled automatic transmission. A method for controlling the vehicle powertrain during a transmission shift from a neutral gear to...
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7077783 |
Method and device for operating a clutch
A method and device for operating a clutch between an internal combustion engine and at least one driven wheel of a vehicle, a torque being transmitted between the internal combustion engine and...
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