In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7641031 | Control apparatus for vehicle When a traveling state is in an engagement range of a lock-up clutch, an ECU executes a program including a step of executing slip control if preconditions are satisfied and learning start conditions are satisfied, a step of updating a learning value if an output va... | 01/05/2010 |
| 7369932 | System and method for turbine engine fault detection using discrete event system modeling A system and method is provided for fault detection in a turbine engine. The fault detection system and method uses discrete event system modeling to provide improved fault diagnosis and prognosis. The fault detection system and method receives sensor taken at multi... | 05/06/2008 |
| 7361120 | Control of lock-up clutch A lock-up clutch control device which controls a lock-up clutch (6) provided in a torque converter (5) interposed between an engine (3) and a transmission (4) used with a vehicle, is disclosed. The lock-up clutch control device has a diff... | 04/22/2008 |
| 7357114 | Splash guard mechanism of gear position sensor for motorcycle A splash guard mechanism of a gear position sensor for a motorcycle protects the gear position sensor without providing a special cover. In an engine of a motorcycle where a gear position sensor that senses a shift stage selected by a shift drum protrudes sideways i... | 04/15/2008 |
| 7357235 | Automatic gearbox with a hydraulically actuated shifting element An automatic gearbox for a vehicle with at least one hydraulically actuated shifting element made as a transmission brake or transmission clutch. The shifting element has an inner disk carrier and an outer disk carrier where inner disks and outer disks are arranged ... | 04/15/2008 |
| 7349795 | Method and system for adaptation of transient engine performance A method and a system for adaptation of transient engine performance capable of reducing a time for the transient test of an engine and also reducing a man-hour for preparing control software for the engine, wherein the test is performed by using the actual engine i... | 03/25/2008 |
| 7287631 | Lock-up control for torque converter A lock-up clutch control device controls a lock-up clutch provided in a torque converter mounted between an engine and a transmission of a vehicle. The lock-up clutch control device switches between a converter state and a lock-up state by controlling a differential... | 10/30/2007 |
| 7231284 | Controller for hybrid vehicle In a controller unit for a hybrid vehicle, a generation controller controls the quantity of electric power generated by a motor generator, and a fuel cut controller stops fuel supply to the engine if a predetermined fuel cut condition is satisfied. The generation co... | 06/12/2007 |
| 7222011 | Engine and driveline torque transfer device control A starting clutch control includes an engine control state and a slip control state. The engine and slip control states include feedforward and driveline damping control terms. The engine state control may further include an engine speed control term. The slip contr... | 05/22/2007 |
| 7217223 | Vehicle with clutch for transmission of torque output of motor A vehicle comprises a motor (4) and a wet clutch (12) for transmission of torque output of the motor to road wheels of the vehicle and transmission of road load from the road wheels to the motor (4). The wet clutch is disengaged in response to a... | 05/15/2007 |
| 7197383 | System for limiting reactive torque in powertrains A control system limits reactive torque in a powertrain that is generated when braking force is applied to traction wheels during a sudden stop or other sudden braking event. The reactive torque generated at the traction wheels is prevented from being transmitted up... | 03/27/2007 |
| 7160159 | Drive apparatus A drive apparatus (10) for propelling a vehicle across a body of water is described. The apparatus (10) comprises a prime mover, for example a gas turbine engine (12), and a propelling arrangement (26) driven by the prime mover for propel... | 01/09/2007 |
| 7099763 | Vehicle rapid deceleration detection device A vehicle speed memory unit stores a vehicle speed at a prior predetermined time, the vehicle speed being calculated from an interval of the vehicle speed pulse. A first rapid deceleration detecting section compares an elapsed time from a time the vehicle speed puls... | 08/29/2006 |
| 7096099 | Controller with motor output torque limiter for hybrid vehicle A controller for a hybrid vehicle in which the torque is output from an engine and/or an electric motor and is transmitted to drive wheels through a fluid torque converter and a transmission. The controller includes a motor output torque limiter to restrict the outp... | 08/22/2006 |
| 7094179 | Hydraulic transmission apparatus with lockup clutch A hydraulic transmission apparatus with a lockup clutch has a pump impeller, a turbine runner, a side cover, a lockup clutch, a clutch piston, a lockup control unit, a frictional engagement unit and a resilient member, a backward movement stopping unit, wherein a tr... | 08/22/2006 |
| 7055635 | Electric power regeneration controller for hybrid vehicle An electric power regeneration control unit is provided for a hybrid vehicle. A motor generator is operated by a driving force received from an engine or drive wheels. A lockup clutch engages or disengages rotational members on input and output sides of a fluid torq... | 06/06/2006 |
| 7017722 | Hydrodynamic torque converter To control one clutch (2) in a hydrodynamic torque converter, the pressure acting upon one first piston area (4) is supplied to a control unit which, depending on the pressure, adjusts the pressure acting upon a second piston area (5). It is pos... | 03/28/2006 |
| 7001309 | Hydraulic transmission apparatus with lockup clutch A hydraulic transmission apparatus with a lockup clutch has a pump impeller, a turbine runner, a side cover, a lockup clutch, a clutch piston, a lockup control unit, a frictional engagement unit and a resilient member, a backward movement stopping unit, wherein a tr... | 02/21/2006 |
| 7000749 | Ratchet one-way clutch, and stator apparatus using the same In a ratchet one-way clutch including an inner race, an outer race provided coaxially with the inner race, a pawl member for transmitting torque between the inner race and the outer race, and a damper mechanism for absorbing shock at the time of engagement of the pa... | 02/21/2006 |
| 6935450 | Hybrid vehicle driving device A motor/generator is arranged radially outward of a middle portion of a front cover of a torque converter so that at least a part of the motor/generator axially overlaps the torque converter, with a predetermined gap (C) between the front cover and the rotor of the ... | 08/30/2005 |
| 6930594 | Electronically-active vehicle gear-shift knob An electronically-active vehicle gear-shift knob (10) consisting of a hand-grasping section (12), an electronics enclosure (44) that is attached to an upper edge (14) of the hand-grasping section (12), and an electronics control ci... | 08/16/2005 |
| 6926638 | Method for carrying out an automated clutch actuation during non-driven operational phases The invention relates to a process for carrying out an automated clutch actuation of a motor vehicle with a drive engine and a transmission, connected to said drive engine by way of a clutch, in which process the clutch exhibits both an opened and a closed operating... | 08/09/2005 |
| 6924748 | Personal communication and positioning system A location tagged data provision and display system. A personal communication device (PCD) with electromagnetic communication capability has a GPS receiver and a display. The PCD requests maps and location tagged data from data providers and other for display on the... | 08/02/2005 |
| 6915201 | Method and device for controlling vehicle speed during descent A method and a device for controlling a vehicle in which the vehicle's speed is only regulated, i.e., limited, if descent is detected. Descent detection is carried out based on the vehicle's actual acceleration and a calculated model acceleration of the vehicle, des... | 07/05/2005 |
| 6877593 | Automatic transmission friction clutch A transmission apparatus (416) is provided that is configured to transmit energy from a power source to a work device. Transmission apparatus (416) includes an input shaft (426) adapted to receive energy from the power source and an output shaft... | 04/12/2005 |
| 6782984 | Control method for lockup clutch A control method of a lockup clutch includes eliminating a loss stroke of a piston by a pre-charge of a supplied hydraulic pressure, increasing a force applied to the piston by further supply of the hydraulic pressure after the pre-charge, controlling a slip rotatio... | 08/31/2004 |
| 6659253 | Method for operating a clutch and control device for implementing the method A method for operating a clutch (10), whose clutch slip (s) is adjusted to a setpoint value (s0) with the aid of a manipulated variable, should allow a clutch to be controlled in a particularly reliable and stable manner. To this end, the present inventio... | 12/09/2003 |
| 6502678 | Hydrodynamic clutch The invention relates to a hydrodynamic clutch (1) comprising at least two impellers, as outer wheel (3), and an inner wheel (3). The inner wheel is equipped with an integrated synchronizer clutch (2) and is enclosed by a clutch shell (4) that is coupled ... | 01/07/2003 |
| 6484607 | All-terrain saddle type vehicle A gear transmission for keeping a load in balance at both ends of a crank shaft in an all-terrain saddle type vehicle provided with a transmitting unit capable of transmitting power from the crank shaft to the gear transmission and a generator connected t... | 11/26/2002 |
| 6478717 | Damper clutch control method for automatic transmission A damper clutch control method comprising the steps of detecting a throttle opening, an engine rpm and an turbine rpm; performing lift-foot-up shifting if throttle opening is abruptly decreased; determining if a difference in engine rpm and turbine rpm is... | 11/12/2002 |
| 6382379 | Transmitting system for small-sized vehicle In a transmitting system for a small-sized vehicle in which a crankshaft of an engine and an input shaft of a multi-stage transmission are connected to each other through a fluid transmitting device, a shifting clutch is interposed between the crankshaft ... | 05/07/2002 |
| 6367605 | Hydrokinetic torque converter with lockup clutch The housing of a hydrokinetic torque converter in the power train between the engine and the transmission of a motor vehicle contains a lockup valve which can be engaged to transmit torque directly from the output element of the engine to the output membe... | 04/09/2002 |
| 6314357 | Lock-up control device A lock-up control device is provided to control the engaging and release of a lock-up clutch, which is arranged in parallel with a torque converter to transmit driving force of an engine of a car. Herein, target driving force is calculated based on accele... | 11/06/2001 |
| 6253140 | Engagement control logic for an automatic transmission clutch with adaptive engagement feel An adaptive control system and method for direct clutch engagement control for an automatic transmission including a micro-controller that receives and stores input data from driveline sensors and executes transmission clutch control logic. The micro-cont... | 06/26/2001 |
| 6249726 | Method and apparatus for responding to failure of a load An apparatus for responding to failure of a secondary load driven by a primary mover includes at least one sensor sensing a rotational parameter of the secondary load and an electronic control module for (1) disengaging the secondary load from the primary... | 06/19/2001 |
| 6217481 | Slip control system for torque converter A slip control system for a torque converter with a lockup clutch comprises a controller that outputs a slip control signal to a slip control actuator of the lockup clutch to adjust an actual slip rotation speed of the torque converter at a target slip ro... | 04/17/2001 |
| 6099436 | Lock-up clutch control apparatus The lock-up clutch control apparatus is provided with reference values for operating variations of the accelerator pedal predetermined for respective gear positions. The lock-up clutch control apparatus comprises a tightening permission judgement device 2... | 08/08/2000 |
| 6085136 | Torque converter lockup strategy According to a torque converter lockup control, a lockup actuator, including a lockup solenoid, is operative responsive to an output command signal issued by a controller to adjust lockup clutch engagement force to a commanded value. The lockup clutch eng... | 07/04/2000 |
| 6073740 | Process for tuning the switching state of a torque converter lock-up clutch in an automatic gear box A process for tuning the switching state of a torque converter lock-up clutch (WK) in an automatic transmission to the output speed of rotation (n-- ab) of the transmission output shaft or the wheel speeds of rotation (n-- wheel) of ... | 06/13/2000 |
| 6074326 | Lock-up control system for vehicle drivetrain with torque converter An engine-transmission drivetrain includes a torque converter situated between the engine output shaft and the transmission. The torque converter includes a lock-up clutch. A speed sensor, which measures the rotational speed of an output shaft of the tran... | 06/13/2000 |