Quotables
"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 8181547 | Speed change device for traveling vehicle A speed change device for a traveling vehicle comprising: a thrust shaft connected to an engine; a speed change mechanism for changing between a high and a low speed provided to the thrust shaft; a... | 05/22/2012 |
| 8156837 | Multiple-ratio transmission with concentric offset shift forks A countershaft transmission with positive engagement clutches for changing transmission gearing ratios and shift rails for supporting shift forks in a transmission housing, one shift rail being adapted to support at least two shift forks, whereby an assembly of shif... | 04/17/2012 |
| 8117935 | Synchronizer actuating system with selectives A synchronizer actuating system with selectives for use in dual clutch transmission is provided. The synchronizer actuating system includes an apply finger and a fork mounted on a shift rail. The fork grips a synchronizer sleeve that supports a synchronizer. The syn... | 02/21/2012 |
| 8117934 | Transmission shift mechanism with single-end actuation A shift mechanism for a transmission having a first and a second combination of gears is disclosed. The shift mechanism has a rod member and a hydraulic actuator operatively connected to an end of the rod member. The hydraulic actuator is configured to move the rod ... | 02/21/2012 |
| 8113077 | Dual clutch transmission A dual clutch transmission includes odd-numbered forward traveling speed drive trains to be activated by engaging a first clutch, even-numbered forward traveling speed drive trains to be activated by engaging a second clutch, and a plurality of backward traveling sp... | 02/14/2012 |
| 8087317 | Interface system for control lever The invention relates to an interface system for a vehicle having a starter motor and a transmission control lever. There is a need for such an interface system which senses control lever position and prevents starter motor operation unless the control lever is in a... | 01/03/2012 |
| 8082815 | Hydraulically actuated shift actuator assembly An arrangement of a hydraulically actuated shift actuator including a shift cylinder (3), arranged outside the hydraulic control unit of a transmission. The shift cylinder (3) of the shift actuator is fixed on a flat or circular machined area (2... | 12/27/2011 |
| 8074530 | Hub transmission assembly A multi-speed internal bicycle hub transmission assembly includes a stationary hub axle, a driver, a hub shell, a power transmission mechanism and a shift control mechanism. The stationary hub axle includes a positioner that is movable in a radial direction. The dri... | 12/13/2011 |
| 8056430 | Transmission controller and vehicle including the same A transmission controller includes a rotatable shaft that controls engagement and disengagement of a variable speed clutch. An actuator, such as an electric motor, drives the shaft. The shaft is rotated alternately in the normal and reverse directions by supplying a... | 11/15/2011 |
| 8051734 | Gear shift device for an automatic transmission of a motor vehicle In a gear shift device for an automated shift transmission of a motor vehicle having a main transmission and an auxiliary group, wherein a series of gear shift elements, for example in the form of gear shift forks, have to be operated, piston cylinder units for shif... | 11/08/2011 |
| 8051735 | Automated shift transmission In an automated split path transmission with at least six forward speeds and three characteristic transmission steps (sI, sII, sIII), which decrease with the height of the forward speed, one of the forward speeds is a direct gear and... | 11/08/2011 |
| 8051733 | Transmission for vehicle A transmission for a vehicle in which changing a shift position is achieved by sliding a shifter. In sliding the shifter to change the established condition of gear trains respectively corresponding to a plurality of shift positions, the transmission of power from a... | 11/08/2011 |
| 8028596 | Transmission device having at least one shift element which can be actuated by means of an actuator arrangement which has at least one electrical component A transmission device (1) having a switching element, which is actuated by at least one electric component (5, 17) which is part of an actuator (4). The electric actuator component is linked to a countershaft (3) of the transmission and r... | 10/04/2011 |
| 8020685 | Device for the control at least of a hydraulically operable switching element of an automatic transmission A device for controlling a hydraulically operable switching element (2) of an automatic transmission of a vehicle with a position valve mechanism (3) having a main switch piston (6) which is spring biased into a first switch position and a secon... | 09/20/2011 |
| 8015891 | Engine including speed-change actuator To lower the center of gravity of the entire engine including a speed-change actuator for realization of the lowered center of gravity of a vehicle in which the engine is mounted and to suppress the effect on an arrangement space for components above the engine. In ... | 09/13/2011 |
| 8001864 | Actuation force transmission mechanism and straddle-type vehicle An actuation force transmission mechanism is provided that can be interposed between a shift actuator and a shift shaft. The mechanism can include: first and second coupling parts that can be coupled for movement relative to each other in sliding directions; a biasi... | 08/23/2011 |
| 7975566 | Hydraulic control apparatus for an automatic dual clutch transmission A hydraulic control apparatus for an automatic dual clutch transmission, comprising a first clutch with a first partial transmission and a second clutch with a second partial transmission, as well as a shifting system for engaging/disengaging gears of the two partia... | 07/12/2011 |
| 7966903 | Shift range control apparatus A rod-lock mechanism is provided in an automatic transmission for a vehicle. The rod-lock mechanism has an engaging pin which will be engaged with a rod when the rod is in its initial position, so as to hold the rod in its initial position. The rod-lock mechanism fu... | 06/28/2011 |
| 7966902 | Vehicular transmission A vehicular transmission includes a shift drum center with a plurality of gear train establishment notches disposed, equally spaced apart from each other, on the outer periphery thereof. The gear train establishment notches establish a specific gear train selected f... | 06/28/2011 |
| 7963182 | Gear shift mechanism A power-assisted gearshift mechanism for a manual transmission, comprising a shift rail mounted for axial movement to select one or more gears, a control arm engageable with the shift rail to cause axial movement of the shift rail in response to operation of a opera... | 06/21/2011 |
| 7954394 | Range switching device A parking switching valve includes a spool that is movable to a first position and to a second position. The parking switching valve also has an oil chamber that generates a biasing force from a difference in the pressure receiving area between the land portions of ... | 06/07/2011 |
| 7950303 | Transmission temperature sensing and control As one example, a propulsion system for a vehicle is provided, comprising: a propulsion device configured to provide mechanical work via a crankshaft; a transmission having an input shaft coupled with the crankshaft and an output shaft, wherein said transmission inc... | 05/31/2011 |
| 7938036 | Straddle-type vehicle A motorcycle in which the clutch on-off operation and the gear-shift operation of the transmission are automated that can be driven when the actuator fails without complication of the structure and upsizing of the power unit. A crankcase of a power unit accommodates... | 05/10/2011 |
| 7938037 | Gear box arrangement with a gear-shifting element safety device for preventing the engagement of multiple gears of a gearbox A gearbox arrangement for a drive train of a motor vehicle, such as a double clutch gearbox arrangement or a power shift gearbox arrangement, has at least one group of gear-shifting elements (1, 2) which can be actuated for engaging and disengaging at least o... | 05/10/2011 |
| 7926375 | Transmission control apparatus A control apparatus of a transmission, in which an ECU controls the transmission to upshift when an upshift condition is satisfied, controls the transmission to downshift when a downshift condition is satisfied, and cancels an upshift and maintains the speed ratio o... | 04/19/2011 |
| 7926374 | Voice recognition shift control An electronic control system for a transmission includes a transmission controller selectively actuating the transmission between a plurality of gear positions including a reverse position and at least two forward positions, a manually-operable gear shifter selectiv... | 04/19/2011 |
| 7895912 | Power transmission controlling apparatus A power transmission controlling apparatus for controlling a power transmission mechanism provided with a main transmission 2 and an auxiliary transmission 2 to be operated in any one of the changeable high and low speed output states. The auxiliary tr... | 03/01/2011 |
| 7895911 | Shift control device for a vehicle A shift control device in which a number of times that an angle change amount per a defined time period is successively equal to or less than a determined value is calculated, when a rotation angle of a shift shaft is equal to or more than a threshold value. In addi... | 03/01/2011 |
| 7891261 | Clutch actuation system with locking mechanism and method of controlling engagement of a clutch A clutch actuation system for engaging and disengaging a clutch includes a hydraulically-actuated piston movable in response to hydraulic pressure to an apply position in which the piston is operable to engage the clutch. An electro mechanical actuator is movable in... | 02/22/2011 |
| 7886627 | Coupling device and transmission system including the coupling device A coupling device for coupling rotatable bodies together includes first and second rotatable bodies, a plurality of coupling members for selectively coupling the first and second rotatable bodies together to transfer drive between the rotatable bodies, and an electr... | 02/15/2011 |
| 7882756 | Shift actuator, vehicle having the same, and method for mounting shift actuator A shift actuator disposed outside a power unit that is easily positioned in the neutral position during mounting. A motorcycle equipped with a shift actuator includes a transmission; a shift shaft for changing the gears of the transmission; and a crankcase that cove... | 02/08/2011 |
| 7878084 | Method for determining the position of a shifting element A method for determining the position of a shifting element (11), for example of a sliding sleeve in an automatic transmission of a motor vehicle, with the element actuated by way an actuating element, for example comprising a shifting rod (8) and a sh... | 02/01/2011 |
| 7874225 | Control apparatus and method for shift-position changing mechanism A control apparatus for a shift-position changing mechanism includes a detection unit that is provided on a path along which the operation member with a magnetic member moves, and that detects a change in the magnetic field due to a positional change of the operatio... | 01/25/2011 |
| 7861612 | Transmission range shift control with neutral position lock A range selection control system for a transmission facilitates safe operation of a power take off. A fluid actuated range piston assembly within a range cylinder moves between low range and high range positions. Range cylinder and range piston assembly define seale... | 01/04/2011 |
| 7861613 | Selector mechanism for dual-clutch transmissions An embodiment provides a method shifting a multispeed transmission. The multispeed transmission includes multiple gear paths having alternating speed ratios and a plurality of shift members. Each shift member is selectively moveable to engage a speed ratio of the tr... | 01/04/2011 |
| 7845249 | Single motor transmission shifting mechanism for a motor vehicle transmission A single motor transmission shifting mechanism with exactly one electric motor for generating drive motions for selecting, and for generating drive motions for shifting gears of a motor vehicle transmission device, and with a threaded spindle for switching from a mo... | 12/07/2010 |
| 7845248 | Shift-by-wire control system for automatic transmission device and method for the same A shift-by-wire control system includes a parking lock device that brings an output shaft of an automatic transmission device to a lock state when a range switching unit switches to the P-range. The parking lock device brings the output shaft to a lock-release state... | 12/07/2010 |
| 7841253 | Servo-assisted gearshift control device for a motor-vehicle dual-clutch transmission The device comprises four shift forks, each slidable among a first engagement position, a second engagement position and an intermediate neutral position between the two engagement positions, and an operating unit comprising four double-acting hydraulic actuators id... | 11/30/2010 |
| 7827876 | Method for controlling, and a control device of, an automated, non-synchromesh multispeed motor vehicle transmission In a method for controlling, and a control device of, an automated non-synchromesh multi-speed motor vehicle transmission, wherein, upon selection of a target gear, a form-fitting connection is to be established between shift elements of the target gear, wherein, ho... | 11/09/2010 |
| 7823473 | Electro-hydraulic control system for a motor-vehicle dual-clutch transmission The electro-hydraulic control system comprises a gear shift control device and a hydraulic control circuit. The gear shift control device includes four shift forks, operatively associated each to a respective engagement sleeve of the transmission to cause this latte... | 11/02/2010 |
