Patent application number | Description | Published |
20100216593 | Two-Speed Power Take-Off Unit - A two speed power take off unit adapted for installation in an all wheel drive vehicle having a transversely mounted engine/transaxle powertrain ( | 08-26-2010 |
20110275470 | AWD VEHICLE WITH DISCONNECT SYSTEM - A vehicle drive train for transferring torque to first and second sets of wheels includes a first driveline adapted to transfer torque to the first set of wheels and a synchronizing clutch. A second driveline is adapted to transfer torque to the second set of wheels and includes a power disconnection device and a friction clutch. A hypoid gearset is positioned within the second driveline in a power path between the synchronizing clutch and the power disconnection device. The friction clutch and the power disconnection device are positioned on opposite sides of the hypoid gearset. The hypoid gearset is selectively disconnected from being driven by the first driveline, the second driveline or the wheels when the synchronizing clutch and the power disconnection device are operated in disconnected, non-torque transferring, modes. | 11-10-2011 |
20130192394 | TWO-SPEED POWER TAKE-OFF UNIT WITH MODE CLUTCH - A two-speed power take-off unit adapted for installation in an all-wheel drive vehicle having a transversely mounted engine/transaxle powertrain. The two-speed power take-off unit includes a planetary gear reduction unit capable of establishing a high-range and a low-range drive connection between the powertrain and a transfer assembly. The transfer assembly provides drive torque to a front differential assembly driving the front wheels and a PTU gearset driving the rear wheels. | 08-01-2013 |
20130247695 | TWO-SPEED POWER TAKE-OFF UNIT WITH MODE CLUTCH - A two-speed power take-off unit adapted for installation in an all-wheel drive vehicle having a transversely mounted engine/transaxle powertrain. The two-speed power take-off unit includes a planetary gear reduction unit capable of establishing a high-range and a low-range drive connection between the powertrain and a transfer assembly. The transfer assembly provides drive torque to a front differential assembly driving the front wheels and a PTU gearset driving the rear wheels. | 09-26-2013 |
20130281259 | CONTROLLED GEROTOR ACTUATED PRE-TRANS PARALLEL HYBRID - A pre-transmission unit for a hybrid drive system includes an input shaft adapted to be driven by an internal combustion engine. An electric motor includes a rotor fixed for rotation with an output shaft, and a stator fixed to a housing. A multi-plate clutch is positioned in the housing to drivingly interconnect the input shaft and the rotor. The clutch includes a piston for applying an input force to the clutch plates. A pump is positioned in the housing and includes an input member fixed for rotation with the rotor. The pump provides pressurized fluid to the piston. A valve regulates the fluid pressure applied to the piston and varies the torque transferred by the clutch. | 10-24-2013 |
20130283939 | TWO-SPEED POWER TAKE-OFF UNIT - A two-speed power take-off unit adapted for installation in an all-wheel drive vehicle having a transversely mounted engine/transaxle powertrain. The two-speed power take-off unit includes a planetary gear reduction unit capable of establishing a high-range and a low-range drive connection between the powertrain and a transfer assembly. The transfer assembly provides drive torque to a front differential assembly driving the front wheels and a PTU gearset driving the rear wheels. | 10-31-2013 |
20140100077 | AWD VEHICLE WITH DISCONNECT SYSTEM - A vehicle drive train for transferring torque to first and second sets of wheels includes a first driveline adapted to transfer torque to the first set of wheels and a synchronizing clutch. A second driveline is adapted to transfer torque to the second set of wheels and includes a power disconnection device and a friction clutch. A hypoid gearset is positioned within the second driveline in a power path between the synchronizing clutch and the power disconnection device. The friction clutch and the power disconnection device are positioned on opposite sides of the hypoid gearset. The hypoid gearset is selectively disconnected from being driven by the first driveline, the second driveline or the wheels when the synchronizing clutch and the power disconnection device are operated in disconnected, non-torque transferring, modes. | 04-10-2014 |
Patent application number | Description | Published |
20120178575 | HIGH EFFICIENCY TRANSFER CASE - A multi-speed power transmission device includes an input shaft, first and second output shafts and a planetary gearset. An axially moveable sleeve fixes the first output shaft and the input shaft for rotation when in a first position and the sleeve fixes the sun gear and the input shaft for rotation when in a second position. A hub is axially moveable and free to rotate relative to the first output shaft when in the first position. The hub is fixed for rotation with the first output shaft when in the second position. A cam plate is continuously fixed for rotation with the carrier and urges the hub toward its second position when in a second axial position. The input shaft drives the first output shaft at a reduced speed via the planetary gearset when the sleeve, hub and cam plate are at their second positions. | 07-12-2012 |
20130303328 | HIGH EFFICIENCY TRANSFER CASE - A multi-speed power transmission device includes an input shaft, first and second output shafts and a planetary gearset. An axially moveable sleeve fixes the first output shaft and the input shaft for rotation when in a first position and the sleeve fixes the sun gear and the input shaft for rotation when in a second position. A hub is axially moveable and free to rotate relative to the first output shaft when in the first position. The hub is fixed for rotation with the first output shaft when in the second position. A cam plate is continuously fixed for rotation with the carrier and urges the hub toward its second position when in a second axial position. The input shaft drives the first output shaft at a reduced speed via the planetary gearset when the sleeve, hub and cam plate are at their second positions. | 11-14-2013 |
20130345015 | TRANSFER CASE WITH STATIONARY LOW RANGE PLANETARY - A transfer case ( | 12-26-2013 |
20140366685 | TRANSFER CASE WITH HIGH EFFICIENCY CLUTCH ACTUATOR - A multi-speed power transmission device includes an input shaft, first and second output shafts and a planetary gearset. An axially moveable sleeve fixes the first output shaft and the input shaft for rotation when in a first position and the sleeve fixes the sun gear and the input shaft for rotation when in a second position. A hub is axially moveable and free to rotate relative to the first output shaft when in the first position. The hub is fixed for rotation with the first output shaft when in the second position, A cam plate is continuously fixed for rotation with the carrier and urges the hub toward its second position when in a second axial position. The input shaft drives the first output shaft at a reduced speed via the planetary gearset when the sleeve, hub and cam plate are at their second positions. | 12-18-2014 |
20150126318 | TRANSFER CASE SPROCKET IDLER GEAR ACTUATION - A transfer case includes first and second output shafts selectively driven by an input shaft. A first gearset is driven by the input shaft providing first and second gear ratios to the first output shaft. A range actuator includes an axially moveable member operable to shift the first gearset between the first and second gear ratios. An actuation shaft is coupled to the axially moveable member such that rotation of the actuation shaft translates the axially moveable member. A second gearset is driven by the input shaft and drives the actuation shaft. The second gearset includes a control gear moveable into and out of meshed engagement with a first gear and an idler gear. The actuation shaft is rotated in a first direction when the control gear is meshed with the first gear and rotated in an opposite direction when meshed with the idler gear. | 05-07-2015 |
20150246611 | TRANSFER CASE WITH STATIONARY LOW RANGE PLANETARY - A transfer case includes an input shaft, first and second output shafts and a planetary gearset having a sun gear, a ring gear and a pinion gear meshingly engaged with the sun and ring gears. A range actuator includes first, second and third range sleeves abutted in series being axially translatable between a first position to provide a drive connection between the input shaft and the first output shaft, a second position providing a direct drive ratio connection between the input shaft and the first output shaft as well as the input shaft and a second output shaft, and a third position to provide a reduced speed drive ratio connection between the input shaft and the first output shaft as well as the input shaft and the second output shaft. The gears of the planetary gearset are not driven when the range sleeves are at the first and second positions. | 09-03-2015 |
Patent application number | Description | Published |
20110100144 | BARREL CAM SHIFT MECHANISM - A shift mechanism for a dual clutch transmission employs a rotating barrel cam having at least three tracks which are engaged by and translate at least three associated cam followers. The cam followers extend from shift fork bodies which slide on rails and include shift forks which bi-directionally translate at least three synchronizer clutches which engage at least five forward gears or speeds and reverse. A single electric motor and gear train drive the barrel cam. | 05-05-2011 |
20110121823 | MESHING ENCODER GEAR AND SENSOR ASSEMBLY - A sensor assembly for a transmission includes a meshing encoder gear and an unbiased sensor. The gear teeth of the encoder gear have target surfaces that generate a magnetic field. The sensor targets the magnetized target surfaces to detect the magnetic field or the change in the magnetic field and sends a signal to a controller that is converted to a speed measurement of the encoder gear. | 05-26-2011 |
20110192693 | SINGLE ACTUATOR SELF-ADJUSTING DRY DUAL CLUTCH - A self-adjusting twin or dual dry clutch assembly for a dual clutch transmission includes a single actuator. The clutch assembly includes one center and two outer clutch drive plates or discs which independently engage a pair of interleaved driven clutch plates or discs which are coupled to and drive a respective pair of transmission countershafts or layshafts. The single actuator translates an internal clutch carrier which acts upon the outer clutch plates through respective pluralities of linear one way clutches. Self-adjustment of the dual clutch assembly is achieved by additional linear one way clutches acting through pairs of spring biased control rods. | 08-11-2011 |
20120086445 | TRANSMISSION DEBRIS SENSOR - A debris sensor for a motor vehicle transmission includes a permanent magnet disposed on the inside bottom of the transmission pan to attract and retain magnetically attracted debris such as filings and particulates and a magnetic sensor such as a Hall effect sensor adjacent the permanent magnet. The magnetic sensor monitors, over time, the magnetic field of the debris collecting magnet. The output of the magnetic sensor is provided to a transmission control module (TCM) or similar electronic control or monitoring device. The output of the sensor is monitored and when the output changes sufficiently, relative to experimental or empirical data, a signal or alarm code is generated or stored relating to the possible need for transmission service. Alternatively, data from the sensor may be read at any time to infer the state of the transmission, the quantity of material on the magnet, a possible service issue based upon the quantity of material on the magnet and the vehicle mileage and the remaining service life of the magnet, for example. | 04-12-2012 |
20120249128 | MAGNETIC SENSOR SYSTEM - A linear sensor system includes a first field sensor displaced linearly from a second field sensor. A member having high magnetic permeability is disposed between the first field sensor and the second field sensor. The member is optimized in shape and material to completely remove any redirection or interference of the magnetic flux in the field sensors. A torque transmitting device incorporating the linear sensor system is also disclosed. | 10-04-2012 |
20130125684 | SYSTEM AND METHOD FOR CONTROLLING A TRANSMISSION - The present invention provides a system for controlling a vehicle comprising a prime mover, a first sensor, a transmission, a second sensor, and a transmission controller. The first sensor outputs a first signal that indicates a speed of an input shaft of the transmission and the second sensor outputs a second signal that indicates a speed of the prime mover. The transmission controller includes control logics that control the transmission using the first signal, perform a diagnostic check on the first sensor, determining whether the diagnostic check of the second control logic indicates that the first sensor meets a predefined performance characteristic, instruct the transmission controller to use the second signal of the second sensor to control the transmission if the third control logic indicates that the first sensor does not meet the predefined performance characteristic, and control the transmission using the second signal of the second sensor. | 05-23-2013 |
20130184946 | DUAL CLUTCH TRANSMISSION - A transmission for a motor vehicle with an engine includes a transmission housing and a dual clutch assembly with a clutch housing connectable to an engine output member. The clutch housing is rotationally supported within the transmission housing. The selective engagement of the dual clutch assembly interconnects the dual clutch housing with at least one of a first input member and a second input member. The transmission also includes a plurality of gear sets associated with various forward and reverse gear ratios, a controller implemented with an algorithm that provides a lock-up profile for the dual clutch assembly, and a plurality of synchronizer assemblies that couple at least one of the gear sets with at least one of a first countershaft and a second countershaft. The selective engagement of at least one of the synchronizer assemblies establishes at least one of the forward speed ratios. | 07-18-2013 |
20150240941 | GROSS SLIP-BASED CONTROL OF A VARIATOR ASSEMBLY - A vehicle includes an engine, drive wheels, a continuously variable transmission (CVT), and a controller. The CVT includes an input member connected to the engine, an output member delivering output torque to the wheels, and a variator assembly connecting the input and output members. The controller determines, via a method, an input and output speed of the variator assembly, converts the output speed to an equivalent input speed using a calibrated variator speed ratio, and calculates a gross slip of the variator assembly using the input and equivalent input speeds. A gross slip flag is set only when the gross slip exceeds a calibrated slip value for a predetermined duration. A CVT assembly includes the controller, input and output members, and variator assembly. The variator assembly may include drive and driven pulleys, a drive mechanism connecting the pulleys, and an actuator applying a clamping force to one of the pulleys. | 08-27-2015 |
20150345631 | METHOD OF CONTROLLING A VARIATOR - A method of controlling a variator that requires clamping pressure between a first component and a second component to transfer torque therebetween, such as a continuously variable transmission, includes calculating a theoretical clamping pressure, and multiplying the theoretical clamping pressure by a multiplier to define a commanded clamping pressure. The multiplier includes a value that is variable between a minimum multiplier value and a maximum multiplier value. The value of the multiplier is based on current operating conditions of the variator. The commanded clamping pressure is applied to the first component and the second component to generate friction and transfer torque between the first component and the second component. | 12-03-2015 |
Patent application number | Description | Published |
20090090162 | Driver plate for electromagnetic forming of sheet metal - A multi-layer driver plate is disclosed for use in electromagnetic sheet metal forming operations. In one embodiment, the driver plate comprises a first layer characterized by low electrical resistivity and thickness for inducement and application of a suitable electromagnetic forming force, a second layer comprising an elastomeric material for compressing a sheet metal workpiece against a die surface and then regaining its original pre-forming structure, and a third layer interposed between the first layer and the second layer to protect the EMF force providing layer and to provide overall strength and durability to the EMF driver plate. | 04-09-2009 |
20100024503 | Electromagnetic shape calibration of tubes - Articles are often formed from a tubular workpiece in a process which does not usefully shape the ends of the tube. In an embodiment of the invention, tube ends may be mechanically reduced in cross section and then expanded against a secondary forming surface(s) using an electromagnetic force to obtain desired shapes for the tube ends and minimize scrapping of workpiece material. | 02-04-2010 |
20100124675 | FUEL CELL PLATES PRODUCED FROM LAYERED MATERIALS - One exemplary embodiment discloses a bipolar plate assembly including a cathode plate and an anode plate. Each of the cathode plate and the anode plate includes a core material, a first surface material coupled to a first side of the core material, and a second surface material coupled to a second side of the core material, wherein the first surface material and the second surface material have a different composition from the core material. | 05-20-2010 |
20100242284 | MIXED METAL MAGNETIC PULSE IMPACT BEAM - An impact beam assembly includes a beam of high-strength steel, and a pair of end brackets constructed of a dissimilar material than the high-strength steel. The brackets are locally deformed onto the beam to thereby surround a portion of the beam. Once deformed, the brackets define a flat section suitable for welding to a vehicle door panel, as well as a section for retaining the beam. The beam can include a surface feature suitable for retaining the beam to the end brackets. A method of reinforcing a vehicle door assembly includes positioning the beam with respect to the end brackets such that the brackets surround a portion of the beam, and then activating a magnetic pulse coil (MPC) to deform an overlapping portion of the brackets onto the beam. The brackets are then attached to a surface of the door assembly to reinforce the door assembly. | 09-30-2010 |
20110048096 | EMBOSSED SHAPE MEMORY SHEET METAL ARTICLE - Electromagnetic forming methods suitable for creating surface features on a shape memory alloy are described. Features may be created over a range of scales, including those suitable for the generation of holographic images. Features, images, or patterns may be made capable of reversibly appearing and disappearing as a result of changes in temperature and may include temperature sensitive displays for automotive and other applications. | 03-03-2011 |
20130186527 | HEAT TREATMENT FOR PRODUCING STEEL SHEET WITH HIGH STRENGTH AND DUCTILITY - The microstructure of a low alloy steel workpiece for cold forming may be beneficially modified by heating the workpiece to a temperature just above its austenite transformation temperature (Ac | 07-25-2013 |
20140178802 | Unique Pre-Form Design For Two-Step Forming Of Stainless Steel Fuel Cell Bipolar Plates - A bipolar plate used in a fuel cell and a method of making a bipolar plate. The sheet is made from a ferritic or austenitic stainless steel, and defines an undulated surface pattern such that the patterned sheet may be formed into the bipolar plate. In one configuration, a stamping or related metal forming tool operation will further deform the patterned sheet into the bipolar plate shape such that the wall thickness is substantially uniform throughout the surface. In this way, there is a substantial reduction in stretching/thinning/necking at an intersection between bends and side walls that define the undulations of the pattern. In one form, the pattern defines a repeating serpentine shape. In a particular embodiment, the bends may include surface modifications to reduce the effects of sheet-to-tool misalignment. | 06-26-2014 |