Did You Know...
...that while attempting to develop a super strong glue, 3M employee Spencer Silver accidentally developed a glue that was so weak it would barely hold two pieces of paper together? However, his colleague Art Fry needed the glue. Fry sang with his church choir and marked the pages of his hymnal with small scraps of paper that often fell out. He used Silver's glue to hold the papers in place. Today we call this invention Post-it Notes.
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| Number | Title | Issue Date |
| 8109355 | Hydrostatic transaxle and hydraulically driven vehicle A hydraulically driven vehicle comprises: a first transaxle disposed at one of front and rear portions of the vehicle, wherein the first transaxle incorporates a first hydraulic motor for driving a first axle; a second transaxle disposed at the other of the rear or ... | 02/07/2012 |
| 7874389 | Flexible hybrid drive system for vehicle stability control A hybrid drive system for integrated vehicle stability control. Specifically, the hybrid drive system includes a multi-wheeled vehicle, a drop-in electric drive motor, and a master controller. The multi-wheeled vehicle is originally configured for propulsion using a... | 01/25/2011 |
| 7870925 | System and method for managing a powertrain in a vehicle A system and method for managing a powertrain in a vehicle determines a number of vehicle conditions, and compares them to predetermined conditions to determine whether a secondary axle of the vehicle should be automatically connected to or disconnected from the pow... | 01/18/2011 |
| 7694773 | Hybrid electric motor vehicle and a final drive unit therefor In a motor vehicle having an internal combustion engine driving a front final drive unit connected to a pair of front wheels and a pair of rear wheels 21 driven through the rear final drive unit 18 by a longitudinal propshaft 19, the rear final ... | 04/13/2010 |
| 7631719 | Electrically-driven transfer case with power take-off A hybrid drive system for a four-wheel drive system arranged to supply motive power to a first output shaft of a transfer case from an internal combustion engine and to a second output shaft from an electric motor/generator. The transfer case includes a reduction ge... | 12/15/2009 |
| 7565942 | Vehicle drive control system and method In a drive control system for a hybrid vehicle, the electric power generated by an alternator driven by an engine and the electric power regenerated by a motor-generator are stored in a battery. The battery discharges electric energy to drive the motor-generator. An... | 07/28/2009 |
| 7441623 | Multi-motor drive system for a work machine A multi-motor drive system for a work machine has a first traction device and a second traction device substantially aligned transversely of a primary travel-direction of the work machine. The drive system also has a first drive-group power-transfer system that conn... | 10/28/2008 |
| 7395893 | Four-wheel drive hybrid vehicle A hybrid drive system for a four-wheel drive system arranged to supply motive power to a primary output shaft of a transfer case from an internal combustion engine and to a secondary output shaft from an electric motor/generator. The transfer case is comprised of a ... | 07/08/2008 |
| 7395889 | Hybrid drive unit for vehicles A hybrid drive unit for vehicles, in which a power distribution device is arranged in a power transmission route between an engine and a wheel, in which the power distribution device has a first to fourth rotary elements capable of rotating differentially with one a... | 07/08/2008 |
| 7374000 | Electric generating system for automobiles and its control method To provide a vehicle driving apparatus capable of providing a sufficient driving force. A driving high-power generator is driven by an engine. A DC motor is driven directly by energy from the generator. A driving generator output voltage control circuit controls out... | 05/20/2008 |
| 7328096 | Driving force switching control apparatus A driving force switching control apparatus in a vehicle which runs by two-wheel drive or four-wheel drive in accordance with the running state. The apparatus includes a device for determining whether the vehicle runs at a constant speed; and a device for determinin... | 02/05/2008 |
| 7308960 | Vehicle drive train unit and vehicle drive train system A vehicle drive train and drive train system is provided to simplify wire harness including power cables and reduce power loss in an engine-motor hybrid vehicle drive train system. The drive train and system includes some wheels driven by an engine, and other wheels... | 12/18/2007 |
| 7290390 | Travel control device for excavators A travel control device enables a crawler type hydraulic excavator to start slowly regardless of the preset speed ratio whenever the manipulation amount of a manual travel control device is small. The travel control device includes left and right travel motors respe... | 11/06/2007 |
| 7284625 | Quick connect assembly for ATV implements A quick connect power take-off assembly adapted for an all-terrain vehicle (ATV). The quick connect power take-off assembly includes a housing, a driving assembly that is fixedly mounted to the ATV, a driven assembly that is releasably connected to the driving assem... | 10/23/2007 |
| 7264070 | Vehicle drive system In a vehicle drive system, a pair of rear wheels is driven by first and second motors. The first motor is designed to specifications suited to delivering torque at low rotational speeds and the second motor is designed to specifications suited to delivering torque a... | 09/04/2007 |
| 7240748 | Hybrid vehicle In a hybrid vehicle in which front wheels are driven by an engine and a front motor, and rear wheels are driven by a main rear motor and a sub rear motor, both main rear motor and the sub rear motor are driven when a large driving force is required as when the vehic... | 07/10/2007 |
| 7243011 | Hybrid transmission launch algorithm A launch system for a hybrid vehicle includes a pump, an electronic throttle, a sensor, and a hybrid control module. The pump is driven by an internal combustion engine and provides pressurized fluid to a transmission. The electronic throttle selectively adjusts air... | 07/10/2007 |
| 7237748 | Landing gear method and apparatus for braking and maneuvering Aircraft landing gear comprised of a wheel hub motor/generator disks stack, includes alternating rotor and stator disks mounted with respect to the wheel support and wheel. The wheel hub motor/generator can provide motive force to the wheel when electrical power is ... | 07/03/2007 |
| 7237639 | Control device for hybrid four-wheel-drive vehicle and hybrid four-wheel-drive vehicle A control device controls a hybrid-four-wheel-driven vehicle wherein one of the front-wheel pair and the rear-wheel pair is an engine-driven-wheel pair which is driven by an engine, and the other pair is an electric-motor-driven-wheel pair which is driven by an elec... | 07/03/2007 |
| 7234553 | Vehicle driving force control apparatus A driving force control apparatus is provided to prevent shocks from being generated during clutch engagement or release. The clutch is maintained in an engaged state and shocks are prevented from accompanying clutch release during creep travel when the target motor... | 06/26/2007 |
| 7226018 | Landing gear method and apparatus for braking and maneuvering Aircraft landing gear comprised of a wheel hub motor/generator disks stack, includes alternating rotor and stator disks mounted with respect to the wheel support and wheel. The invention can provide motive force to the wheel when electrical power is applied, e.g. pr... | 06/05/2007 |
| 7216943 | Hybrid vehicle A hybrid vehicle is capable of performing regenerative operations of generator-motors disposed adjacently to front wheels and/or rear wheels of the vehicle so as to achieve efficient conversion of kinetic energy of the vehicle into electric energy as much as possibl... | 05/15/2007 |
| 7213672 | Vehicle hydrostatic transmission circuit A hydrostatic transmission circuit for a vehicle having at least two displacement members (12) driven by at least one hydraulic motor (10) having a feed main duct and a discharge main duct (16, 18). Skid control means for controlling skidding of... | 05/08/2007 |
| 7210959 | Apparatus for maintaining oximeter cables in orderly condition An oximeter machine includes a built in first socket that is positively engaged by a jack at the proximal end of a first cable. The distal end of the first cable includes a jack that engages the proximal end of a second socket. The proximal end of a second, adjustab... | 05/01/2007 |
| 7204332 | Vehicle driving force control apparatus A vehicle drive force control apparatus configured to make it possible to increase the drive force when the vehicle is accelerating from a stopped condition without increasing the size of its electric generator. In particular, an output of an engine is delivered to ... | 04/17/2007 |
| 7202625 | Multi-motor switched reluctance traction system A switched reluctance traction system is provided for work machines. The switched reluctance traction system may include a plurality of switched reluctance motors. Each switched reluctance motor may include a stator with a plurality of stator poles and a rotor with ... | 04/10/2007 |
| 7198335 | Method and system for controlling regenerative braking of a four wheel drive electric vehicle Controlling regenerative braking of front and rear motors of a four wheel drive electric vehicle equipped with front and rear motors and a manual transmission having a clutch, based on whether the clutch is engaged or not. ... | 04/03/2007 |
| 7194377 | Method for calibrating an analog sensor A method for determining the absolute angle of an angle position sensor over a predetermined rotation range and in which the sensor generates a repeating periodic analog signal across the rotation range. The initial position of the sensor is stored in memory when th... | 03/20/2007 |
| 7188011 | Automatic braking-enhanced steering system A system for enabling a vehicle with a conventional steering system to make tighter right and left turns. The vehicle has one or more computers that monitor the steering angle and that are also capable of independently controlling a right braking unit and a left bra... | 03/06/2007 |
| 7182708 | Final drive for electric motor to wheel A final drive assembly for transmitting torque between an input and an output includes a compound gear assembly. The compound gear assembly includes at least three planetary gear trains and is in driving engagement with the input. Each planetary gear train of the at... | 02/27/2007 |
| 7182168 | Vehicle drive force control apparatus A vehicle driving force control apparatus is configured to provide a vehicle drive force control apparatus that can expand the operating region within which an electric motor can be driven in a stable manner. The output of an engine is delivered to the main drive wh... | 02/27/2007 |
| 7174978 | Hybrid drive unit, and front-engine/rear-drive type automobile having the hybrid drive unit mounted thereon A hybrid drive unit including a first motor, a first planetary gear and a second motor, wherein the first planetary gear distributes and transmits a drive force transmitted from an input shaft to the first motor and an output shaft, a power output from the output sh... | 02/13/2007 |
| 7157869 | Control system and control method for motor powered four wheel drive vehicle A control system for controlling a vehicle which has an engine for driving front wheels thereof and a motor for driving rear wheels thereof. The control system includes: a motor generator which is driven by the engine and generates three-phase alternating-current po... | 01/02/2007 |
| 7152707 | Vehicle driving force control apparatus and method There is provided a driving force control apparatus for an automotive vehicle, including an internal combustion engine to rotate main drive wheels of the vehicle by engine torque, a generator driven by the engine; a motor powered by the generator to rotate subsidiar... | 12/26/2006 |
| 7140459 | Vehicle driving force control apparatus A vehicle driving force control apparatus is provided for a vehicle having a drive source configured to drive a generator and an electric motor configured to drive an electric motor driven wheel by electricity from the generator. The vehicle driving force control ap... | 11/28/2006 |
| 7140460 | Vehicle driving force control apparatus A driving force control apparatus is provided for a vehicle capable of preventing a shock from being generated by disengaging a clutch disposed between a subordinate drive source and subordinate drive wheels during vehicle travel. When a transition determination is ... | 11/28/2006 |
| 7125364 | Control strategy for active torque control A torque transfer mechanism includes a multi-plate clutch assembly that is operably disposed between a first rotary and a second rotary member. A control system determines a desired quantity of torque to deliver to the second rotary member and controls the clutch to... | 10/24/2006 |
| 7119513 | Control system and controlling method for motor drive four wheel drive vehicle A control system for controlling a vehicle which has an engine for driving at least one of wheels thereof and a motor for driving at least one of the rest of the wheels thereof. The control system includes: a motor generator configured to be driven by the engine for... | 10/10/2006 |
| 7114589 | Control device for hybrid four-wheel-drive vehicle and hybrid four-wheel-drive vehicle A control device controls a hybrid-four-wheel-driven vehicle wherein one of the front-wheel pair and the rear-wheel pair is an engine-driven-wheel pair which is driven by an engine, and the other pair is an electric-motor-driven-wheel pair which is driven by an elec... | 10/03/2006 |
| 7104921 | Vehicle drive apparatus A vehicle drive apparatus is provided that comprises first and second drive sources, a main clutch, a subordinate clutch, a drive source selecting section, and a clutch control section. The first and second drive sources output drive forces to a first wheel. The mai... | 09/12/2006 |
