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An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 8414457 | Control device and control method for automatic transmission When it is determined to perform nth to (n+1)th coast downshift during nth to (n+1)th power-off upshift, an ECU starts increasing control to increase the hydraulic pressure of an engage-side element A in a predetermined mode and maintains the hydraulic pressure of a... | 04/09/2013 |
| 7914417 | Shift control apparatus of automatic transmission A shift control method and apparatus of an automatic transmission for controlling a shift from one speed, achieved by engagement of a first and a second frictional element, to another speed, achieved by engagement of a third and a fourth frictional element. The meth... | 03/29/2011 |
| 7326149 | Converterless transmission shift control system A converterless, multiple-ratio transmission and shift control method wherein smoothness of power-on upshifts and downshifts and power-off upshifts and downshifts is achieved by closed loop control of slip speed and friction element actuating pressure for an oncomin... | 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 |
| 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 gear shift, a shift revolution synchronization control in synchronizati... | 11/06/2007 |
| 7247126 | Method and apparatus for shift control of an automatic transmission Whenever a 4 to 3 shift condition is satisfied during a 3 to 4 upshift, 4 to 3 shifting is started before the 3 to 4 shifting is finished. The 4 to 3 shifting is executed according to a predetermined hydraulic control pattern. Therefore, responsiveness in shifting i... | 07/24/2007 |
| 7247127 | Method for increasing the spontaneity of an automatic transmission A method for shifting gears of a transmission of a vehicle, which, during a shift, a first shift element opens and a second shift element closes. To increase the spontaneity and reduce the shifting frequency a downshift from a first gear to a second gear is interrup... | 07/24/2007 |
| 7142967 | Features of main control computer for a power machine The present invention is directed to a computer based control system for controlling hydraulic and electromechanical actuators on a power machine, such as a skid steer loader. The computer based control system is configured to implement a number of features to enhan... | 11/28/2006 |
| 7128678 | Transmission system gear shift selection and control A transmission includes an input shaft, an output shaft, a first plurality of gears, a second plurality of gears, and a series of engagement elements operable between an engaged position and a disengaged position. A controller is further provided to selectively togg... | 10/31/2006 |
| 7089102 | Coasting downshift control for automatic transmissions An automatic transmission ratio shift control system and method for a powertrain having an engine and multiple-ratio gearing controlled by friction elements actuated by hydraulic pressure, an electronic controller for establishing torque transitions among the fricti... | 08/08/2006 |
| 7086989 | Control method for shifting a powershift transmission In a transmission during a shifting process while torque is transferred from a power-outputting clutch, which is initially in the adhered state, to a power-receiving clutch, which is initially open, the power-receiving clutch increases torque capacity in a slip regi... | 08/08/2006 |
| 7079932 | Method for tie-up detection in an automatic transmission A method for detecting tie-up in an automatic transmission is provided. The rate of change of the output shaft acceleration is calculated by twice differentiating with respect to time the transmission output shaft speed. The calculated rate is then compared to a pre... | 07/18/2006 |
| 7048673 | Shift control method for six-speed automatic transmission A shift control method for a gearset with greater than or equal to 5 speeds, allowing to perform a sequential shift and a multi-skip shift in relation to the multi-shift stages, contributing to an improved response during shifting. The shift control method comprises... | 05/23/2006 |
| 7014592 | System and method for controlling an automatic transmission in a vehicle A method for controlling an automatic transmission in a vehicle is provided. The method selectively provides automatic engine braking for the vehicle. When it is determined that automatic engine braking is desired, the upshift schedule is increased, such that a high... | 03/21/2006 |
| 7008344 | Control apparatus for controlling a shift operation in an automatic transmission A control apparatus for controlling a shift operation in an automatic transmission includes a disengaging side controlling device for performing a feedback control so as to substantially match a slip amount calculated by a slip amount calculating device with a targe... | 03/07/2006 |
| 6980898 | Downshift acceleration control A turbine acceleration control system for a transmission in a vehicle determines a desired turbine acceleration based on a downshift type and an altitude of the vehicle. The turbine acceleration control system determines a downshift type that results from one of a t... | 12/27/2005 |
| 6929583 | Shift control apparatus and shift control method for a vehicular automatic transmission A shift control apparatus for a vehicular automatic transmission provided with a fuel cut apparatus which cuts off fuel supplied to an engine when an engine speed exceeds a predetermined value during deceleration of a vehicle, and an automatic transmission in which ... | 08/16/2005 |
| 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 |
| 6832147 | Method and apparatus for controlling a vehicle with a gear-shift transmission In a vehicle with a gear-shift transmission of a kind that requires a torque-free state to shift gears, the riding comfort is improved by a method of shifting gears where a gear shift is preceded by the steps of: reducing the vehic... | 12/14/2004 |
| 6699156 | Method for controlling a transmission of a vehicle Described is a method for the control of a transmission of a motor vehicle, especially an automatic transmission, with hydraulically activated shifting elements. The shifting elements are shifted to engage or disengage by means of specified pressure patte... | 03/02/2004 |
| 6346063 | Vehicle transmission shift control for engagement of frictional coupling device so as to first raise transmission input speed above synchronizing speed An apparatus for controlling an automatic transmission of an automotive vehicle, which is shifted to a selected one of operating positions by an engaging action of a frictional coupling device, wherein an overshoot engagement control device is provided to... | 02/12/2002 |
| 6254510 | Coasting downshift control strategy for a multiple-ratio automatic transmission A control strategy for a multiple-ratio transmission for an automotive vehicle comprising a shift valve system that responds to shift valve signals developed by a microprocessor controller, the controller being in communication with engine sensors indicat... | 07/03/2001 |
| 6216073 | Apparatus and method for controlling a speed change of an automatic transmission A down-shift is carried out when a) the sum of a dry force of a vehicle and a predetermined value, is smaller than a running resistance, and b) when an accelerator opening is larger than a threshold value which is based on vehicle speed, road inclination,... | 04/10/2001 |
| 6146310 | Adaptive automated transmission downshift control A method/system for controlling downshifting in an automated mechanical transmission system (10) utilized on a vehicle. When a downshift from a currently engaged ratio (GR) is required (ES1... | 11/14/2000 |
| 6106435 | Tie-up decision device for automatic transmission, and gearshift control apparatus employing the same In executing a clutch-to-clutch gearshift based on the release and engagement of two clutches by the control of the hydraulic pressures of the clutches, the fluctuating magnitude of the output shaft r.p.m. (No in FIG. 2) of the automatic transmission is c... | 08/22/2000 |
| 6042506 | Automatic transmission control having variable fluid pressure decreasing rate at gear shifting A vehicle automatic transmission control controls fluid pressure changes applied to a frictional engagement element which is being changed from an engaged state to a disengaged state at a stage before input shaft rotational speed starts to increase from t... | 03/28/2000 |
| 5984834 | Control apparatus for hydraulically operated vehicular transmission Even if a rotational speed of an engine has already increased due to slipping of a fluid torque converter at the time of start of downshifting, a smooth downshifting is performed. For that purpose, there is obtained a speed change developing degree functi... | 11/16/1999 |
| 5963445 | Method for the production of actuator signals In a method for the production of actuator signals as a function of sensor signals in an open-loop and/or closed-loop control system, the sensor signals are read into a data processing device and converted into internal input signals. The internal input s... | 10/05/1999 |
| 5941795 | Control system for a single servo during multiple speed changes The present invention prevents shift shock and reduces time required to execute the complete speed change operation in the case where a second speed change is commanded while a first speed change operation is still in progress. If a down-shift to a first ... | 08/24/1999 |
| 5924958 | Control system for automatic transmission with servo fill of second shift engagement element during completion of first shift when second shift commanded during first shift If a shift to the 3rd speed is decided during the 5th-4th speed shift, in which the hydraulic servo for a second clutch is released by pressure regulation control, a changeover valve is switched by a solenoid valve so that the fluid pressure PC2 | 07/20/1999 |
| 5919114 | Automatic transmission control system for automobiles An automatic transmission control system for an automatic transmission including a hydraulic pressure control circuit which supplies locking and unlocking pressures selectively to a plurality of friction coupling elements to lock and unlock the selected f... | 07/06/1999 |
| 5913748 | Downshift control device for automatic transmission A downshift control device for an automatic transmission is provided in which the transmission is shifted down by releasing an oil pressure from a first engaging element that has been engaged while applying an oil pressure to a second engaging element tha... | 06/22/1999 |
| 5911648 | Automatic transmission control method including shifting aberration regulating phase A method of controlling and regulating an automatic transmission with overlapping gearshifts. The change from the control mode to the regulating mode for the disengaging clutch (11) is made here when a defective engagement of the engaging clutch (12) is d... | 06/15/1999 |
| 5910175 | Closed-loop adaptive fuzzy logic hydraulic pressure control for an automatic transmission A self-organizing fuzzy logic controller develops an adaptive pressure adder that modifies the magnitude of pressure supplied to a friction element of an automatic transmission. The controller uses a turbine speed versus engine torque table in KAM to stor... | 06/08/1999 |
| 5871418 | Shift control apparatus in vehicle automatic transmission A shift control apparatus in a vehicle automatic transmission, where down-shift is carried out from a high velocity step to a low- velocity step. A flatness-aiming control has a common targetted change rate with respect to a turbine rotational speed in th... | 02/16/1999 |
| 5846163 | Shift control apparatus in vehicle automatic transmission In a shift control apparatus in a vehicle automatic transmission, up-shift is carried out from a low velocity step to a high velocity step. When a rotational blow is generated, a controlling device controls the releasing side element of frictional engagin... | 12/08/1998 |
| 5816950 | Automatic transmission control system for automobiles An automatic transmission control system including a hydraulic pressure control circuit which supplied locking and unlocking pressure to selectively lock and unlock the selected friction coupling elements so as to change a torque transmission path in the ... | 10/06/1998 |
| 5810693 | Automatic control system for automobiles An automatic transmission control system for an automatic transmission including a hydraulic pressure control circuit which supplies locking and unlocking pressures selectively to a plurality of friction coupling elements to lock and unlock the selected f... | 09/22/1998 |
| 5810692 | Downshift control device for automatic transmission A downshift control device for an automatic transmission is provided in which a drive command is generated to a shift actuator when a shift command to change a gear ratio of the transmission is generated, to switch a shift valve and change oil paths, ther... | 09/22/1998 |
| 5810691 | Hydraulic changing device for a multi-ratio vehicle transmission The invention relates to a hydraulic changing device for a multi-ratio vehicle transmission, especially for a commercial vehicle such as a mobile excavator. The hydraulic changing device feeds gear actuator (3, 4) with pressure medium conveyed by a servop... | 09/22/1998 |
