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Class 477/38 - With fluid drive


Subclass of Class 477 - Interrelated power delivery controls, including engine control
Definition: Subject matter wherein the continuously variable friction transmission
No. of patents: 57
Last issue date: 04/08/2008


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NumberTitleIssue Date
7354377Continuously variable transmission
A belt continuously variable transmission includes a primary pulley (1), a secondary pulley (2), a belt (3), a hydraulic pump (21), a speed ratio control valve (13) that regulates hydraulic pressure from the hydraulic pump (21
04/08/2008
7261672Method and system for controlling rate of change of ratio in a continuously variable transmission
Systems and methods for efficiently and effectively controlling the rate of change of ratio, not simply the ratio, in a CVT. By controlling the rate of change of ratio, the acceleration or deceleration of a vehicle can be controlled in an efficient manner. Furthermo...
08/28/2007
7213389Infinitely variable transmission for a combine header unit
A mechanism for powering a combine header unit at infinitely variable speeds. A primary motor is coupled to a primary input shaft via a clutch, a variable-speed secondary motor is directly coupled to a secondary input shaft, and the header unit coupled to a header o...
05/08/2007
7211144Pulsed nucleation deposition of tungsten layers
A method of forming a tungsten nucleation layer using a sequential deposition process. The tungsten nucleation layer is formed by reacting pulses of a tungsten-containing precursor and a reducing gas in a process chamber to deposit tungsten on the substrate. Thereaf...
05/01/2007
7201803Valve control system for atomic layer deposition chamber
A valve control system for a semiconductor processing chamber includes a system control computer and a plurality of electrically controlled valves associated with the processing chamber. The system further includes a programmable logic controller in communication wi...
04/10/2007
7192386Method for controlling and/or regulating the braking torque in a drive train, and control and regulating system
The aim of the invention is to regulate the braking torque in a drive train comprising an internal combustion engine (2) and a gearbox unit (3) which can be coupled to the same, using a regulatable clutch (5). To this end, the power introduced b...
03/20/2007
7101795Method and apparatus for depositing refractory metal layers employing sequential deposition techniques to form a nucleation layer
A method and system to form a refractory metal layer on a substrate features nucleating a substrate using sequential deposition techniques in which the substrate is serially exposed to first and second reactive gases followed by forming a layer, employing vapor depo...
09/05/2006
7085616Atomic layer deposition apparatus
A method and apparatus for atomic layer deposition (ALD) is described. The apparatus comprises a deposition chamber and a wafer support. The deposition chamber is divided into two or more deposition regions that are integrally connected one to another. The wafer sup...
08/01/2006
7074148Hydraulic controller of power transmission device
A hydraulic controller of a power transmission device is equipped with a transmission for changing a rotation speed of motor power input from a motor and outputting the motor power; a forward/backward change-over mechanism provided between an input shaft, where the ...
07/11/2006
7072762Evaluation system for vehicle operating conditions and evaluation method thereof
The evaluation system for vehicle operating conditions comprises an automatic control device (10, 27) for setting target vehicle operating conditions and controlling the vehicle so as to achieve the target operating conditions, and a display device (4)...
07/04/2006
7037235Speed change ratio control unit for continuously variable transmission
A speed change ratio control unit for a continuously variable transmission that uses a step motor as a driving actuator of a speed change control valve that compares a variable ASTP representing a step position of the step motor and a step position BSTP of the step ...
05/02/2006
7022948Chamber for uniform substrate heating
Embodiments of the invention generally provide an apparatus and a method for providing a uniform thermal profile to a plurality of substrates during heat processing. In one embodiment, a cassette containing one or more heated substrate supports is moveably disposed ...
04/04/2006
7003388Control apparatus and method for lock-up clutch of vehicle
A control apparatus for a lock-up clutch of a vehicle having a hydraulic torque transfer device equipped with the lock-up clutch between a power source and an automatic transmission is provided for controlling a hydraulic pressure of hydraulic oil supplied to the lo...
02/21/2006
6998579Chamber for uniform substrate heating
In a first aspect, a first apparatus is provided for heating substrates. The first apparatus includes (1) a chamber having a bottom portion and a top portion; (2) a plurality of heated supports disposed within the chamber to support at least two substrates thereon; ...
02/14/2006
6998014Apparatus and method for plasma assisted deposition
Embodiments of the present invention relate to an apparatus and method of plasma assisted deposition by generation of a plasma adjacent a processing region. One embodiment of the apparatus comprises a substrate processing chamber including a top shower plate, a powe...
02/14/2006
6980897Oil pressure reduction rate restricting apparatus for V-belt type continuously variable transmission
There is provided an oil pressure reduction rate restricting apparatus for a V-belt type continuously variable transmission, which is comprised of a reduction rate restricting section that calculates a reduction rate restricted secondary pressure and a reduction rat...
12/27/2005
6951804Formation of a tantalum-nitride layer
A method of forming a tantalum-nitride layer (204) for integrated circuit fabrication is disclosed. Alternating or co-reacting pulses of a tantalum containing precursor and a nitrogen containing precursor are provided to a chamber (100) to form layers ...
10/04/2005
6944529Automatic fluid draining from a hydraulic system component of an automatic transmission
In a hydraulic system for an automatic transmission, a method for automatically draining fluid from an oil cooler and related hydraulic lines when power is off to prevent fluid leakage, escape and outflow when they are disconnected from the system. A control system ...
09/13/2005
6936906Integration of barrier layer and seed layer
The present invention generally relates to filling of a feature by depositing a barrier layer, depositing a seed layer over the barrier layer, and depositing a conductive layer over the seed layer. In one embodiment, the seed layer comprises a copper alloy seed laye...
08/30/2005
6916398Gas delivery apparatus and method for atomic layer deposition
One embodiment of the gas delivery assembly comprises a covering member having an expanding channel at a central portion of the covering member and having a bottom surface extending from the expanding channel to a peripheral portion of the covering member. One or mo...
07/12/2005
6911391Integration of titanium and titanium nitride layers
Embodiments of the present invention generally relate to an apparatus and method of integration of titanium and titanium nitride layers. One embodiment includes providing one or more cycles of a first set of compounds, providing one or more cycles of a second set of...
06/28/2005
6655233Speed control for a utility vehicle
A cruise control system for a utility vehicle, which is speed-controlled by a hydrostatic transmission, includes a controller having an input for receiving a selectable set speed signal, and an output for sending a speed control signal to at least one pro...
12/02/2003
6656084Apparatus for controlling clutch between vehicle engine and transmission
A control apparatus for feedback-controlling an engaging action of a clutch disposed between an engine and a transmission of an automotive vehicle, wherein an engaging force control device is operated upon an engaging action of the clutch, for determining...
12/02/2003
6424901Method of calculating for the speed control of a CVT
Within the scope of the method for including the temperature in the calculation of the definite, operating-point dependent maximum and minimum adjustment speeds in a continuously variable belt-drive transmission, the actual limiting values for the maximum...
07/23/2002
6408239Process for controlling a continuously variable transmission system (CVT)
The proposal is for a process for controlling a CVT of the bevel-pulley-belt type in which, on the occurrence of a wheel-locking drive situation, a converter bridging clutch is disengaged and at the same time a forward or reverse drive clutch is disengage...
06/18/2002
6361470Adjustable pulley for fluid-operated transmissions
An adjustable pulley for use in a continuous variable transmission in the power train of a motor vehicle has an axially fixed first conical flange and an axially movable second conical flange. The hydraulic control system which moves the second flange rel...
03/26/2002
6260440Method and apparatus for shifting ranges in a continuously variable transmission
A transmission assembly having a hydrostatic transmission with a variable displacement hydraulic device which controls a motor speed ratio. The transmission assembly further includes a mechanical transmission coupled to the hydrostatic transmission and ha...
07/17/2001
6142908Speed ratio controller and control method of continuously variable transmission
A gyration angle $c; of a power roller (3) of a toroidal continuously variable transmission (10) is made to vary via a step motor (4) and control valve (5). A controller (61) calculates a feedback control amount v of a step motor (4) so that a real spe...
11/07/2000
6066069Control system for an infinitely variable change-speed gear with a torque converter with a lock-up clutch
A control system for a continuously variable transmission (17), especially for control of a lock-up clutch (10) of a torque converter (2). The lock-up clutch (10) is controlled according to a strategy whereby the torque converter (2) is considered as bein...
05/23/2000
5924534Continuously variable transmission
The invention provides a continuously variable transmission which is compact and high in operation efficiency, and allows smooth starting and smooth change-over between forward running and backward running. The continuously variable transmission includes ...
07/20/1999
5685800Control device for engine fuel supply
In an engine of an automobile, when fuel injection is restarted by the operation of the accelerator pedal from the state in which fuel supply has been cut off during deceleration, fuel injection is controlled according to one of a plurality of fuel inject...
11/11/1997
5487003Simulation method and device for aiding the design of a fluid torque converter
A method and device for simulating properties of a fluid torque converter such as torque ratio, capacity factor and efficiency includes involving the execution of the steps of finding a plurality of parameters including a fluid passage angle and a fluid p...
01/23/1996
5383125Slip control for automotive vehicle with continuously variable transmission
A slip control is effected by effecting a switch to a slip control ratio change control when a wheel slip exceeds a predetermined value. The usual ratio control in a continuously variable transmission is reinstated upon completion of the slip control rati...
01/17/1995
5169366Device for the regulation of an automatic transmission unit
Device for the regulation of an automatic transmission unit, in particular a transmission unit composed of a torque converter, a foreward coupling, a reverse coupling and a continuously variable transmission, characterized in that this device consists of ...
12/08/1992
5160003Lock-up control for smooth start-up
A lock-up control for smooth start-up of a motor vehicle is disclosed. A target engine revolution speed is set as a function of a load on an engine of the vehicle, and an operating signal on which an electric actuator for a lock-up control operates is mod...
11/03/1992
5119698Hydraulic control apparatus for continuously variable transmission, having shift control valve whose gain is changed with vehicle speed
A hydraulic control apparatus for controlling a continuously variable transmission for a motor vehicle, including a shift control valve device having a valve spool adapted to receive a first thrust corresponding to the currently required engine output and...
06/09/1992
5095776System for controlling a continuously variable transmission having a torque converter
A continuously variable belt drive transmission has a torque converter with a lockup clutch. The lockup clutch is engaged in accordance with driving conditions of the torque converter. Quantity of downshifting the transmission is decided in dependency on ...
03/17/1992
5067372Control system for continuously variable transmission
According to a control system for a continuously variable transmission, a spool of a shift command valve is held within an overstroke range next adjacent to a normal stroke range in order to disconnect a lock-up control valve from an electromagnetically o...
11/26/1991
5063815Line pressure control for V-belt type continuously variable transmission
A V-belt continously variable transmission includes a torque converter shiftable between a lock-up state and a non lock-up state. A pulley unit includes a driver pulley, a follower pulley, and a V-belt drivingly interconnecting the driver and follower pul...
11/12/1991
5056380Hydraulic control system for steplessly variable transmission
A steplessly variable power transmission has a torque converter provided with an input member connected with an engine output member of an engine and an output member. A belt-pulley type of steplessly variable power transmitting mechanism is provided with...
10/15/1991
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