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Patent No. 6368227

Method of swinging on a swing

A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.

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Class 477/154 - Speed responsive control


Subclass of Class 477 - Interrelated power delivery controls, including engine control
Definition: Subject matter wherein the regulation of buildup or release of fluid pressure
No. of patents: 219
Last issue date: 11/16/2010


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NumberTitleIssue Date
7833128Control device for automatic transmission
An ECU executes a program including detecting an engine speed; detecting a turbine speed; calculating a slip revolution speed of a torque converter as; calculating a hydraulic pressure control value based on the slip revolution speed and a map; and outputting a hydr...
11/16/2010
7381151Upshift control system of automatic transmission and method thereof
A power-on 2-3 upshift control method for an automatic transmission comprises: determining whether a power-on 2-3 upshift condition exists; extracting an initial hydraulic pressure control duty and hydraulic pressure control duty depending on an input torque from a ...
06/03/2008
7356398Synchronous shift control in an electrically variable transmission
Synchronous shift control in a multi-mode, hybrid transmission utilizes motor torques to control clutch synchronizations and torque conditions thereacross for substantially torque disturbance free shifting from one mode to another. ...
04/08/2008
7326149Converterless 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
7292922Target 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
7291091Method 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 is above the predetermined threshold value: adaptation of the clutch/g...
11/06/2007
7291092Shift 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
7289892Power train inspection system, power train inspected by power train inspection system, and control unit for power train
The present invention provides inspection of a transmission with higher precision and in a shorter period of time. Before a finished A/T is inspected, a V/B ASSY and an ECU are inspected together by a V/B tester in a subsidiary line. A solenoid current command value...
10/30/2007
7257522Simulator for automatic vehicle transmission controllers
A simulator comprising computer-aided design programs for simulating a shift control algorithm stored in an ECU of an automatic transmission having hydraulic clutches. In the simulator, a simplified hydraulic model describes the entire system so as to design a third...
08/14/2007
7247127Method 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
7228216Automatic shift control apparatus and method for manual transmission
In automatic shift control apparatus and method for a manual transmission, at least one clutch is interposed between an engine and the manual transmission and a controller performs a feedback control for an engagement force of the clutch after a gear shift for the m...
06/05/2007
7220214Shift 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
7195578Automatic transmission and gear train
The present invention relates to automatic transmissions. In particular, the instant invention relates to an automatic transmission with improved resistance to deterioration with an increased effective life. The transmission of the instant invention comprises eight ...
03/27/2007
7146264Method and system for controlling an automatic transmission using a GPS assist having a learn mode
A method and system for controlling an automatic transmission is disclosed. The method and system include obtaining positioning data using a global positioning satellite (GPS) and monitoring the automatic transmission to obtain transmission data. The method and syst...
12/05/2006
7099762Powertrain of a motor vehicle and method for controlling said powertrain
The power train (1) includes a controlled drive source (3), a clutch (6), an automatically shifting transmission (7) and a data transmission device (2). The power train contains an additional drive source (12) and is fitted ...
08/29/2006
7097021Running control device for industrial vehicle
The present invention provides a running control device for an industrial vehicle which generates no speed change shock when the traveling direction is switched to the opposite direction by the forward-reverse selection member during the running of the vehicle. The ...
08/29/2006
7093512Automatic transmission, dynamo-electric machine, and car
An electric motor is inserted between clutch shafts of a twin-clutch type automatic transmission are controlled for the torque and speed of the electric motor, establishing a smooth and efficient gear shifting control as well for a creep control, idling stop startin...
08/22/2006
7090616Kick-down switching speed optimization for an automatic transmission of a motor vehicle
In the method for kick-down switching speed optimization in a motor vehicle with an automatic transmission, the kick-down upshift point is determined as a function of the load conditions and the road inclination in each case. ...
08/15/2006
7086989Control 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
7079932Method 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
7066305Brake bands for an automatic transmission and method for controlling a gear shift in automatic transmission and feedback loop control system
A brake band shifting mechanism for an automatic transmission. The brake band shifting mechanism includes a brake band encircling a brake drum of the transmission. A first end of the brake band is mounted to a secured portion of the transmission by a first linkage a...
06/27/2006
7056263Electronic clutch-to-clutch transmission control system
A transmission system includes a first clutch, a second clutch, and a controller. The controller communicates with the first and second clutches and commands a gear shift. The controller calculates a torque phase time for the gear shift and determines a desired torq...
06/06/2006
7043347Hydraulic 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
7027914Diagnostic coordination control
An engine control system includes an ignition switch that selectively initiates an ignition signal and an operating mode of an engine. A powertrain relay selectively generates a PR load signal based on the ignition signal and the operating mode. A control module ena...
04/11/2006
7008344Control 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
7004872Control method and device for automatic transmission
A control method for an automatic transmission is capable of quickly determining whether gear shifting is permissive. The control method varies the command value input to an engaging-side electromagnetic valve that adjusts a hydraulic pressure applied to a frictiona...
02/28/2006
7001299Control 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
6994647Adaptive pressure control method for achieving synchronous upshifts in a multiple-ratio transmission
An adaptive shift control method for a geared multiple ratio transmission having friction elements for clutches and brakes to establish and disestablish gear ratio changes wherein at least one ratio change involves engagement of one friction element in synchronism w...
02/07/2006
6993424Method and apparatus for controlling a solenoid valve of an automatic transmission of a vehicle
When a target duty of a solenoid valve of an automatic transmission of a vehicle lies in a predetermined duty range, the solenoid valve is driven for an adjusted over-excitation period obtained by adjusting a base over-excitation period on the basis of an over-excit...
01/31/2006
6962552Vehicle shift control device and control method therefor
A duty ratio for controlling an engagement force of a friction engagement device on the side of upshift engagement is corrected by an amount corresponding to an intermediate correction control value in the course of the shift. In addition, on a prerequisite conditio...
11/08/2005
6947821System and method for controlling an automatic transmission
Parameter values related to hydraulic pressure characteristics of a solenoid valve in an automatic transmission are stored in a memory associated with a transmission main body. When a transmission control unit for controlling the transmission main body is installed ...
09/20/2005
6942048Accessory drive apparatus
An accessory drive apparatus includes a power source, an accessory system that provides an input to the power source, an accessory driving source that drives the accessory system, and a power combination/distribution mechanism that is connected to the power source a...
09/13/2005
6941830Automatic transmission, dynamo-electric machine, and car
A transmission in which an electric motor is inserted between a couple of clutch shafts of a twin-clutch type automatic transmission with the torque and speed of the electric motor being controlled. The pre-stage gear is released after the torque transfer is complet...
09/13/2005
6931315Shift 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
6929582Method for controlling variable compression ratio of an engine having an automatically controlled transmission
A system is described for minimizing engine torque disturbances that would otherwise cause degraded drive feel by a vehicle driver. The system utilizes multiple torque transmission paths of a transaxle unit mounted to the engine. The system manipulates the torque tr...
08/16/2005
6893379Hydraulic pressure control apparatus for vehicular automatic transmission and control method for hydraulic frictional engagement device of vehicular automatic transmission
When it has been determined that control for a predetermined upshift has been started while an accelerator pedal was not being depressed, and that a factor that changes an input torque of an automatic transmission has been generated, an engaging pressure of a predet...
05/17/2005
6790160Control device and control method for a vehicular automatic transmission
When a clutch is disengaged in a D-N shift, a duty ratio of a linear solenoid in a stand-by state at a constant pressure is calculated according to the following equation by using the following values: a reference duty ratio in a stand-by state at a constant pressur...
09/14/2004
6726589Apparatus and method for controlling oil pressure of an automatic transmission
When a different speed change request occurs during pre-charging, an indicated pressure is stepwise changed up to a standby pressure for after pre-charge, and a processing in accordance with the different speed change request is commenced with the indicated pressure...
04/27/2004
6699156Method 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
6692409Hydraulic change speed system for a working vehicle
A hydraulic change speed system for a working vehicle includes a gear type change speed device shiftable by an actuator, a hydraulic clutch connected to a power transmission line including the gear type change speed device, a valve unit for switching oper...
02/17/2004
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