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Class 477/110 - Responsive to transmission output condition


Subclass of Class 477 - Interrelated power delivery controls, including engine control
Definition: Subject matter wherein energy input supplied to the engine is regulated by
No. of patents: 363
Last issue date: 05/22/2012


1                    
NumberTitleIssue Date
8182396Method and system for delaying shift and throttle commands based on engine speed in a marine vessel
A method for delaying shift and throttle commands based on engine speed comprises establishing a predetermined threshold engine speed. Shift and throttle commands are calculated based on the position of a control lever which allows an operator to manually control sh...
05/22/2012
8137241System and method for automatic transmission shift control
A engine control system for an automatic transmission includes an engine torque control module that increases engine torque from a first torque level to a second torque level during a period before a shift from a first gear ratio to a second gear ratio, wherein the ...
03/20/2012
8075447Vehicle control system and method
A vehicle control system including a range selector having a shift lever operated by a driver of a vehicle, a shift control device for controlling the switching of a shift range of an automatic transmission of the vehicle in accordance with the range selecting opera...
12/13/2011
8016723Vehicle engine control apparatus
A vehicle engine control apparatus provides rotational speed synchronization control during a shift operation. A shift operation detecting component detects a shift position resulting from a manual shift operation of a manual transmission connected to an engine. A v...
09/13/2011
7988596Vehicle and four wheeled vehicle for irregular ground
A vehicle includes a first detecting means for detecting an engine speed, a second detecting means for detecting a rotational speed of a rotating member, an engine speed changing means for changing the engine speed, and a control unit. The control unit is electrical...
08/02/2011
7905813Electronically controlled engine generator set
An apparatus for controlling the power output of an unthrottled engine has a variable gear ratio transmission connected between a mechanical load and the engine, and it has a controller for controlling the torque load on the engine, according to the power output req...
03/15/2011
7883443Method and system for controlling an engine for a vehicle, and a motorcycle
A method of controlling an engine for a vehicle including increasing an amount of air taken into the engine to an amount larger than an idling air amount corresponding an idling engine speed, when an engine speed of the engine is predetermined value or more, a throt...
02/08/2011
7771314Controller of work vehicle
A control apparatus for a tractor or wheel loader includes a speed change sensor that detects the step-on amount of a speed change pedal, an actuator that regulates a swash plate angle of a hydraulic pump based on the detection value of the speed change sensor, a tr...
08/10/2010
7727114Agricultural machine with PTO torque limiting feature
A drive assembly for an agricultural machine. A power take off (PTO) output shaft is connected to a driving motor for driving an attachment. A drive transmission is positioned between and interconnects the driving motor and the support wheels of the agricultural mac...
06/01/2010
7704187Shift control apparatus for automatic transmission
A shift control apparatus for an automatic transmission having an automatic shift mode for performing a shift operation by determining a gear position or gear ratio to be set according to a vehicle running condition and a manual shift mode for performing a shift ope...
04/27/2010
7637846Method and apparatus for control of transmission shifting
A method and system to control transmission shifting in a motor vehicle having an automatic transmission is provided, wherein a command for a transmission up-shift is detected, and, inhibited, based upon operator input, engine speed, and vehicle operating conditions...
12/29/2009
7597650Automatic transmission with neutral coast down feature
A system for controlling the engagement and disengagement of one or more clutches that are adapted to operatively connect an engine and an automatic transmission includes a control device for determining if a negative torque condition exists and for providing an out...
10/06/2009
7563196Controller for automatic transmission
In performing a down-shift based on a driver's intention of deceleration, an engine output increasing control is started at a time when a transfer torque capacity of the releasing clutch becomes small or zero and the actual oil pressure decreases to an initial oil p...
07/21/2009
7544149Shift control apparatus and shift control method of automatic transmission of vehicle
The invention relates to a shift control apparatus for an automatic transmission that executes a torque reduction control when the transmission downshifts in response to a downshift determination made during an upshift. The shift control apparatus includes a multipl...
06/09/2009
7524266Engine starting system for power train
An engine starting system for a power train including an engine and an automatic transmission includes an engine stop/restart controller. The automatic transmission having special mode includes first and second planetary gear sets having respective sun gears, a turb...
04/28/2009
7524265Powertrain overspeed protection
A method of inhibiting an overspeed condition in a vehicle powertrain includes monitoring at least one of an engine speed and a transmission input shaft speed of a torque converter that transfers drive torque between an engine and a transmission and determining an o...
04/28/2009
7481738Controlling a gear ratio in a continuously variable transmission
This invention provides a method for controlling a gear ratio in an automatic transmission of a vehicle. The method includes detecting a desired engine braking condition associated with the vehicle. Once the engine braking condition is determined, a decay factor is ...
01/27/2009
7473207Transmission shaft rotation sensor switch
A system for use with a vehicle such as a tractor having an output device such as a mower deck or snow thrower comprising a sensor positioned to detect the rotational direction of a shaft such as an output axle. The operational status of the output device can be cha...
01/06/2009
7438665Control system for internal combustion engine
A control system for an internal combustion engine having a plurality of cylinders and a switching mechanism for switching between an all-cylinder operation in which all of the plurality of cylinders are operated and a partial-cylinder operation in which at least on...
10/21/2008
7440832Method and arrangement for controlling actual torque in a land vehicle driveline
Method and arrangement for controlling actual torque in a driveline of a land-based motor vehicle. Taking a direct, non-predictive measure of actual torque induced in the driveline of the motor vehicle and ascertaining a magnitude thereof. Ascertaining a magnitude o...
10/21/2008
7434893Device for controlling or regulating auxiliary brake torque in a motor vehicle
Method and arrangement for controlling or regulating total auxiliary brake torque in a motor vehicle. The device includes at least one first auxiliary brake (4) of a first type and at least one second auxiliary brake (4, 6) of a second type that is dif...
10/14/2008
7428457Method for interpreting driver requested axle torque
A torque request generation system for use with a coordinated torque control system of a vehicle includes an input receiving a vehicle speed and an axle torque command. A datastore records a three-dimensional torque surface defined in terms of a coordinate system ha...
09/23/2008
7422545All-terrain vehicle reverse gear protection
A reverse system for an all-terrain vehicle (ATV) having an engine and an engine drive shaft, a reverse activator, an engine speed limiter, and an override switch. The reverse activator is coupled to the drive shaft. The reverse activator activates operation of the ...
09/09/2008
7422544Engine 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, injectors which are designed to inject hydrocarbon into at least one of th...
09/09/2008
7422546Continuously variable planetary gear set
A continuously variable planetary gear set is described having a generally tubular idler, a plurality of balls distributed radially about the idler, each ball having a tiltable axis about which it rotates, a rotatable input disc positioned adjacent to the balls and ...
09/09/2008
7396316Control device for vehicular drive system
Hybrid controller 52 for a vehicular drive system is operable during a shifting control of step-variable transmission portion 20 for a stepping change of its speed ratio, for changing a speed ratio of continuously-variable transmission portion 11
07/08/2008
7393305Controller for automatic transmission
In performing a down-shift based on a driver's intention of deceleration, an engine output increasing control is started at a time when a transfer torque capacity of the releasing clutch becomes small or zero and the actual oil pressure decreases to an initial oil p...
07/01/2008
7390283Process for controlling an automated motor vehicle drive train and drive train
A process for controlling an automated motor vehicle drive train which has an engine and a transmission, with the step of at least once detecting at least one wear parameter of the transmission during its running performance, the wear parameter representing the wear...
06/24/2008
7390282Directional shift in hydrostatic drive work machine
A method of performing a directional shifting event in a hydrostatic drive work machine, and a hydrostatic drive work machine is provided. The method includes the step of adjusting a pump displacement of a variable displacement pump coupled with an engine and a hydr...
06/24/2008
7381149Method and device for operating a drive unit
A method and a device for operating a drive unit provide a switch between half-engine operation and full-engine operation. A switch takes place between two operating states of a first component of the drive unit as a function of a first performance quantity of the d...
06/03/2008
7357755Engine speed control system for walk-behind truck
In an engine speed control system mounted on a walk-behind truck having a bed that carries cargo, to power driven wheels through a clutch such that the truck runs and the engine speed is controlled to a desired engine speed, it is detected whether the operator perfo...
04/15/2008
7357744Hydro-mechanical continuously variable transmission
The invention comprises a hydro-mechanical continuously variable transmission (HMCVT) that uses a planetary gear system to provide a combination of hydraulic and mechanical power for a vehicle or stationary equipment. The invention further comprises various ancillar...
04/15/2008
7357233Torque converter with a lock-up clutch assembly having a floating friction disk
The torque converter includes a torque input member and an impeller assembly operatively coupled with the torque input member. A turbine assembly is connected with the impeller and a lock-up clutch is interposed between the turbine assembly and the torque input memb...
04/15/2008
7351185Transmission control device of motorcycle
A transmission control device for a vehicle for smoothly performing a transmission manipulation without a clutch manipulation. The device includes a control unit which determines a shift operation starting time based on a detection signal of a shift operation detect...
04/01/2008
7351184Engine control system
In an engine control system mounted on a machine such as a walk-behind truck through a CVT and having an actuator whose operation is controlled such that a detected engine speed becomes equal to a desired engine speed, the output of the engine is estimated based on ...
04/01/2008
7343236Electronic 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
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
7331901Drive arrangement for an agricultural working machine
A drive arrangement for an agricultural machine with an internal combustion engine used to drive removable agricultural implements. The engine is connected to a control unit and to a power take-off (PTO), which drives the removable agricultural implements, by means ...
02/19/2008
7319927Constant speed control system
A method is provided for controlling a low speed operation of a vehicle. A speed activation switch is activated. A target vehicle speed is calculated in response to an accelerator pedal demand as determined by an accelerator pedal position where each respective acce...
01/15/2008
7313472Tractor power hop control system and method
A control system performs a method for controlling pitching and bouncing of a vehicle having an engine driving wheels through a transmission, and having a fuel control unit for supplying a variable amount of fuel to the engine in response to fuel control signals gen...
12/25/2007
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