Patent application number | Description | Published |
20090107797 | Clutch Operation Assisting Device, Power Unit for Vehicle and Straddle Type Vehicle Including the Same - A downsized power unit equipped with a clutch operation-assisting device that reduces operation force of a clutch lever. The clutch operation-assisting device includes a push shaft and a first rotation plate that is rotatably supported by a support plate and connected to a clutch wire, and slides the push shaft by rotation. The first rotation plate and a second rotation plate are connected by gear. The second rotation plate is rotatably supported by a bearing member fixed to the support plate. A spring unit that provides assisting force in a direction to disengage a friction clutch is connected to the second rotation plate by pin. The spring unit, as seen from a shaft direction of the push shaft, is disposed so that an extension direction of an auxiliary spring does not pass through a rotation center of a pressure plate. | 04-30-2009 |
20100267505 | V-SHAPED BELT, BELT-TYPE TRANSMISSION, AND SADDLE-TYPE VEHICLE - To enhance the durability of the V-shaped belt by allowing the strength and the heat-radiating property of the resin blocks to stand together at high levels in the V-shaped belt, which has a plurality of resin blocks and endless connecting members connecting the resin blocks. The V-shaped belt includes a plurality of resin blocks arranged in a direction and an endless connecting member that is impacted into the resin blocks and that extends in the arrangement direction of the resin blocks. Depressions are longitudinally and vertically formed in the upside and downside of the front surface and the rear surface of each resin block. The depressions are separated from the connecting member and are also separated from the lateral surfaces of the resin block. | 10-21-2010 |
20110127099 | TWO-WHEELED MOTOR VEHICLE - A motorcycle having high durability and a large space below a seat includes an internal space at least a portion of which is located between an engine unit and a seat provided in a cover member. The engine unit is pivotally suspended on a body frame. A center axis of a cylinder extends obliquely upward from a crankcase and forwardly. Oil reservoirs are provided in a bottom of a crank chamber and a bottom of a portion of a transmission chamber located in a front portion of a transmission case, respectively. The oil reservoirs are communicated with each other by a communication path. A bottom surface of the transmission chamber in the portion in which portion the oil reservoir is provided is located downward of the bottom surface of the portion rearward of the oil reservoir of the transmission chamber. | 06-02-2011 |
20110259696 | Stepwise Automatic Transmission For Saddle Riding Type Vehicle, Power Unit Equipped With The Same, And Saddle Riding Type Vehicle Equipped With The Same - In a stepwise automatic transmission, a mass is concentrated in a longitudinal direction thereof. The stepwise automatic transmission includes an input shaft, an intermediate shaft, an output shaft, a first clutch which is connected and disconnected in accordance with a rotation speed of the input shaft, first and second power transmission mechanisms, and a second clutch which is connected and disconnected in accordance with rotation speed of the intermediate shaft. The intermediate shaft is disposed rearward of the input shaft. When the first clutch is connected, the first power transmission mechanism transmits rotation of the input shaft to the intermediate shaft. The second clutch is provided on the intermediate shaft. When the second clutch is connected, the second power transmission mechanism transmits rotation of the intermediate shaft to the output shaft. A front end of the second clutch is located forward of a rear end of the first clutch as viewed from an axial direction of the input shaft. | 10-27-2011 |
Patent application number | Description | Published |
20110233019 | POWER TRANSMITTING APPARATUS - A power transmitting apparatus for transmitting power from a driving source of a vehicle to its wheels can be adapted to properly select transmitting or cutting-off of the driving force of the driving source to or from the wheels. The apparatus can comprise a torque converter having a torque amplifying function; a clutch mechanism including a first clutch device operable on advancement of the vehicle and adapted to transmit the driving force of the driving source to the wheels through a power transmitting system of the torque converter and a second clutch device adapted to transmit the driving force of the driving source to the wheels without the power transmitting system of the torque converter. A selecting device can be configured to operate the first clutch device and/or the second clutch device in accordance with operation modes of the vehicle, including starting. | 09-29-2011 |
20110237389 | POWER TRANSMITTING APPARATUS - A power transmitting apparatus, such an automotive transmission, adapted to properly select transmission of or cutting-off of a driving force of the driving source to or from the wheels of a vehicle can include a torque converter having a torque amplifying function. A clutch mechanism can include a first clutch device configured to transmit the driving force to the wheels through the torque converter and a second clutch device configured to transmit the driving force without passing through the torque converter. A selecting device can control the first clutch device or the second clutch device in accordance with conditions of the vehicle including starting from a stop. An input-side measuring device can be used to measure an input-side rotational speed of the first clutch device and an output-side measuring device can be used for measuring an output-side rotational speed of the first clutch device. A slip ratio calculating device can be used to calculate the slip ratio of the first clutch device from the difference or the ratio between the rotational speed measured by the input-side measuring device and the rotational speed measured by the output-side measuring device. | 09-29-2011 |
20120199434 | POWER TRANSMITTING APPARATUS - A power transmitting apparatus can comprise a plurality of gear stage clutches arranged on the way of a power transmitting path between an engine and the wheels. Each of the gear stage clutches include alternately arranged driving clutch discs and driven clutch discs, hydraulic pistons actuated by hydraulic oil to selectively engage or disengage the driving clutch discs and driven clutch discs, hydraulic chambers for actuating the hydraulic pistons, and supplying ports communicating with oil passages formed within the input shaft and opening on the side surface of the input shaft for supplying the hydraulic chambers with hydraulic oil from the oil passages to actuate the hydraulic pistons. A plurality of the supplying ports can be formed on a same plane of a radial cross-section of the input shaft. | 08-09-2012 |
Patent application number | Description | Published |
20110109168 | RELAY CONTROLLER - Provided is a relay controller which can shorten the time from turning off a switching element until turning off a relay compared with what is conventionally possible. The relay controller comprises a relay switch in which a contact point connects a power supply to a load, and a coil is connected to the power supply; a first switching element which is connected in series to the coil; a regenerative current circuit which is connected in parallel to the coil and includes a second switching element and a diode which is connected in series to the second switching element; a first switching element control unit which turns on the relay switch by PWM control of the first switching element and turns off the relay switch by stopping the PWM control of the first switching element, and a second switching element control unit which turns on the second switching element when the first switching element is PWM-controlled and turns off the second switching element when the PWM control of the first switching element is stopped. | 05-12-2011 |
20150294822 | ELECTROMAGNETIC INDUCTIVE LOAD CONTROL DEVICE - With a relay control device according to an embodiment, a regenerative current from a relay coil which is disposed in a relay flows through a coil energy absorption circuit, which is connected to the low side of the relay coil, toward the ground. A current detection resistor, which is a shunt resistor, is connected further toward the ground side of the coil energy absorption circuit than a coil surge absorption resistor, and the potential of the current detection resistor is compared to a reference potential, with a current detection circuit. Furthermore, on the basis of the result of the comparison with the current detection circuit, an off-duty period of the PWM control is terminated before the current which flows through the relay coil becomes less than or equal to a minimum drive current. | 10-15-2015 |
Patent application number | Description | Published |
20090073706 | VEHICLE LAMP - A vehicle lamp is arranged to switch between a low beam and a high beam. The high beam illuminates a first illumination area, which lies ahead of and square to a center of a vehicle, and a second illumination area, which includes portions lying horizontally further leftwards and right wards and vertically further upwards than the first illumination area. When switching from the low beam to the high beam, the luminous intensity of the second illumination area is increased and thereafter the luminous intensity of the first illumination area is increased. When switching from the high beam to the low beam, the luminance intensity of the first illumination area is decreased and thereafter the luminance intensity of the second illumination area is decreased. | 03-19-2009 |
20110063866 | VEHICLE HEADLAMP - A vehicle headlamp is provided with: a frame; a lamp unit, which includes a first and a second connection sections and, which is rotatable with respect to the frame; a slider connected to first connection section and which is supported on the frame so as to be movable in a front-rear direction; a rotor connected to the second connection section and which is supported on the frame so as to be turnable in a horizontal direction; a drive operation section for moving the slider in the front-rear direction; and a rotation operation section for turning the rotor in the horizontal direction. The first connection section and the second connection section are positioned so as to be separated from each other substantially in the up-down direction. | 03-17-2011 |
20120113662 | VEHICLE HEADLIGHT - There is provided a vehicle headlight. The vehicle headlight includes: a light source configured to emit light; a reflector reflecting the light; a projection lens projecting the light; a stationary shade blocking a part of the light emitted from the light source; a movable shade supported by the stationary shade as to move between a shielding position and a non-shielding position and configured to block a part of the light emitted from the light source; a drive mechanism including: a yoke; a coil disposed in the yoke; and an output shaft configured to move in an axial direction thereof in response to current supplied to the coil, and a transmission mechanism transmitting a driving force of the drive mechanism to the movable shade. At least a part of the yoke of the drive mechanism is formed in a single piece with the stationary shade. | 05-10-2012 |
20120201042 | VEHICLE HEADLAMP - A vehicle headlamp includes: a lamp outer casing; a lamp unit including: a light source unit having a light source that emits light, a reflector and a heat sink; a stationary frame; a movable frame that is supported by the stationary frame to be rotatable about a rotating shaft; a lens unit supported by the movable frame and having a projection lens; a first aiming operation shaft that adjusts an optical axis in the lateral direction; and a second aiming operation shaft that adjusts the optical axis in the vertical direction. A focal point of the light reflected by the reflector is coincident with a center of the rotating shaft. The lens unit is moved relative to the stationary frame such that a distance between the focal point and the projection lens is constant. The heat sink is positioned on the outside of the lamp outer casing. | 08-09-2012 |
Patent application number | Description | Published |
20080207065 | BOAT PROPULSION APPARATUS - A boat propulsion apparatus is constructed such that an operation mode can be switched to a reverse mode and an amount of an output can be set by an easy operation without a complicated structure and further in which a main body of the propulsion apparatus can be locked to a hull. The boat propulsion apparatus is provided with a main body and a locking mechanism. The main body of the propulsion apparatus is provided with an electric motor, a throttle grip, a potentiometer arranged to detect an indication by the throttle grip, a first controller arranged to control an operation mode and an output of the electric motor depending on an output of the potentiometer, and second controller arranged to control the locking mechanism depending on an indication provided by the throttle grip. According to an operation for turning the throttle grip to a reverse mode area, the controller switches the electric motor to the reverse mode, and the second controller operates the locking mechanism to lock the main body of the propulsion apparatus to a hull. | 08-28-2008 |
20090075532 | BOAT PROPULSION UNIT - A boat propulsion unit includes an electric motor, a potentiometer arranged to detect the rotating angle of a throttle grip, a first stop mode sensor, a second stop mode sensor, and a controller including a CPU, and a disconnection and short detecting circuit. If the voltage signal fed by the disconnection and short detecting circuit is out of the specified range, the CPU detects the operation mode designated by the throttle grip based on the switching of the outputs from the first stop mode sensor and the second stop mode sensor. Then, the electric motor is driven in the forward operation mode and with the specified output power when the forward operation mode is designated, whereas, the electric motor is driven in the reverse operation mode and with the specified output power when the reverse operation mode is designated. Using this arrangement, the boat propulsion unit can obtain a minimum required boat operation as intended by the boat operator even when an abnormality has occurred in the controls. | 03-19-2009 |