Class / Patent application number | Description | Number of patent applications / Date published |
180364000 | Variable speed or direction | 27 |
20090090578 | PUSH FORWARD SHIFTER ASSEMBLIES - Shifter assemblies to be mounted onto a motor vehicle are provided. According to one embodiment, a shifter assembly comprises a mounting plate configured to be mounted onto a motor vehicle adjacent to a floorboard. A pivot assembly is connected to the mounting plate. The shifter assembly also comprises a first shifter lever comprising a pedal portion configured to accept a first shifter pedal, and a linkage portion coupled for pivotal movement with respect to the pivot assembly. A linkage assembly comprising first and second end portions is coupled to the linkage portion of the first shifter lever at the first end portion, and is pivotally coupled to a shifter spline at the second end portion. The motor vehicle is upshifted by pivoting the first shifter lever in a forward direction and downshifted by pivoting a second shifter lever secured to the shifter spline in a forward direction. | 04-09-2009 |
20140190758 | VEHICLE AND METHOD OF CONTROLLING A VEHICLE - Embodiments of the invention provide a vehicle comprising: prime mover means; at least first and second groups of one or more wheels; and a driveline to connect the prime mover means to the first and second groups of one or more wheels such that the first group of one or more wheels is driven by the prime mover means when the driveline is in a first mode of operation and the second group of one or more wheels is additionally driven by the prime mover means when the driveline is in a second mode of operation, the driveline including an auxiliary driveline comprising an auxiliary driveshaft and drive means between the auxiliary driveshaft and the second group of one or more wheels, the drive means being operable to connect the second group of one or more wheels to the auxiliary driveshaft when the driveline transitions between the first mode and the second mode, the drive means having an input portion, an output portion and first and second releasable torque transmitting means coupled in series therebetween, the first releasable torque transmitting means having an input portion and an output portion, the first releasable torque transmitting means being operable to allow slip between the respective portions thereby to modulate an amount of torque transmitted from the input to the output portion, the second releasable torque transmitting means also having an input portion and an output portion, the second releasable torque transmitting means being operable between a first condition in which the input portion is isolated from the output portion and a second condition in which the input and output portions are directly coupled such that torque applied to the input portion is transmitted substantially directly to the output portion. | 07-10-2014 |
20160082834 | POWER UNIT FOR A VEHICLE, AND VEHICLE INCLUDING SAME - A power unit includes a transmission adapted to transmit rotational power from a crankshaft to a drive axle, with speed change. The transmission has an input shaft rotatably supported on a crankcase. A hydraulic clutch, configured to be selectively engaged and disengaged, is disposed coaxially with the input shaft. A clutch cover covering the hydraulic clutch is connected to the crankcase. A clutch actuator, which controls switching between engagement and disengagement of the hydraulic clutch, and an actuator cover, which covers the clutch actuator in a liquid-tight manner, are mounted to an outer surface of the clutch cover. An oil temperature sensor is mounted to the actuator cover, and is provided for detecting a temperature of oil in an oil chamber, formed between the clutch cover and the actuator cover. | 03-24-2016 |
20160152137 | VEHICLE | 06-02-2016 |
180365000 | Plural | 5 |
20090120710 | Vehicle Transmission System - A vehicle has an engine, an accelerator for controlling the rotary speed of the engine, an axle and a multi-speed transmission for transmitting power from the engine to the axle. The multi-speed transmission includes an odd-numbered speed drive train for an odd-numbered speed level, a first clutch for the odd-numbered speed drive train, an even-numbered speed drive train for an even-numbered speed level, and a second clutch for the even-numbered speed drive train. In correspondence to operation of the accelerator and an actual speed of the axle, either the odd-numbered speed drive train or the even-numbered speed drive train is selected so as to transmit power from the engine to the axle. A shift-up or shift-down timing between the odd-numbered speed level and the even-numbered speed level relative to variation of the actual speed of the axle is changed according to detection of a tilt angle of the vehicle or a weight of the vehicle. | 05-14-2009 |
20110024222 | UTILITY VEHICLE WITH AT LEAST THREE DRIVEABLE VEHICLE AXLES - The present invention relates to a utility vehicle ( | 02-03-2011 |
20110155497 | SIFT-DRUM APPARATUS AND FOUR WHEELED VEHICLE WITH THE SAME - The present invention provides a shift-drum apparatus for a gear-type transmission including a plurality of shift forks and a shift drum provided at its outer peripheral surface with a plurality of shift grooves, in which a state of the gear-type transmission is shifted between a neutral state and a plurality of transmission gear stages. The number of the shift forks is the same as the number of the transmission gear stages, and each of the shift grooves includes one or more gear-shifting recesses that are depressed in an axial direction of the shift drum. The shift forks are biased in the axial direction respectively by springs toward the corresponding gear-shifting recesses. Two of the gear shifting recesses are formed in at least one of the shift grooves, while two of the shift forks are engaged with the shift groove. | 06-30-2011 |
20130062136 | VEHICLE TRANSMISSION - A vehicle transmission has at least three transmission gears. The at least three transmission gears are selectively engaged by at least three shifting sleeves. The shifting sleeves are actuated by two shift forks. Each shift fork is moved by a corresponding shift drum. The shift drums are disposed on a shift drum shaft. By rotating the shift drum shaft, each of the at least three transmission gears can be engaged in sequence. The two shift drums are spring biased. | 03-14-2013 |
20160176287 | UTILITY VEHICLE | 06-23-2016 |
180366000 | Belt or chain | 7 |
20080210484 | Straddle-Type Vehicle with Belt Type Continuously Variable Transmission Having Resin-Block-Type Belt - A noise suppressor for a straddle-type vehicle provided with a belt type continuously variable transmission having a resin-block-type belt. A portion of an air passage for guiding air to a belt chamber is formed in a closed casing. The closed casing includes a dish-shaped first casing member and a dish-shaped second casing member. An inlet port and an exhaust port are formed in the second casing member. Partition walls in the form of curved plate pieces are formed in the first casing and second casing members. Air flow paths formed by the partition walls are U-shaped, thereby forming a serpentine flow. | 09-04-2008 |
20080314676 | Belt-Type Continuously Variable Transmission Having Resin Block Belt and Motorcycle Including Belt-Type Continuously Variable Transmission - A belt-type continuously variable transmission that prevents escape of noise generated by a resin block belt to the outside. The resin block belt is wound around a primary sheave and a secondary sheave. A transmission case defines a belt chamber accommodating the primary sheave, secondary sheave, and resin block belt. The transmission case includes an exhaust passage, intake passages, and a sound absorbing member. The sound absorbing member is attached to an inner wall of the exhaust passage in a position to collide with sound waves traveling through the exhaust passage. The sound absorbing member has a sound absorbing surface crossing an extending direction of the exhaust passage. | 12-25-2008 |
20080314677 | POWER UNIT FOR MOTORCYCLE - A power unit for a motorcycle includes an internal combustion engine having a crankcase rotatably supporting a crankshaft with an axis located on a split face between an upper case half body and a lower case half body and a continuously variable transmission having a belt. Two types of respective different oils for an internal combustion engine and for a continuously variable transmission are used while the rigidity of the crankcase is enhanced. A crankcase is provided with a partition wall that separates between a crank chamber housing a crankshaft and a continuously variable transmission chamber housing a continuously variable transmission. An axial line of the crankshaft and respective axial lines of the drive pulley and the driven pulley are each located at a corresponding one of apexes of an imaginary triangle on a view projected on a plane perpendicular to the axial line of the crankshaft. | 12-25-2008 |
20100263958 | Power Unit and Vehicle Equipped With It - A power unit includes an engine, a belt transmission driven by the engine, and a second transmission driven by the belt transmission. The engine includes an engine output shaft having an end portion projecting outward from the engine. The second transmission includes a transmission input shaft and a transmission output shaft having respective end portions projecting outward from the second transmission. The belt transmission includes a drive pulley provided on the end portion of the engine output shaft, a driven pulley provided on the end portion of the transmission input shaft, and a belt looped over the drive and driven pulleys. The belt has first and second portions between the drive and driven pulleys. The first portion runs from the drive pulley to the driven pulley. The second portion runs from the driven pulley to the drive pulley. The end portion of the transmission output shaft is extended through a portion of the belt transmission between the drive and driven pulleys and between the first and second portions of the belt so as to project outward from the belt transmission. | 10-21-2010 |
20120152644 | Compliant, balanced belt or chain drive - An improved drive assembly is described which can apply a pure torque to a driven member while allowing for limited motion of the driven member in the radial direction. This drive assembly is particularly suitable for converting an Internal Combustion (IC) vehicle to an IC-electric hybrid vehicle comprising installation of one or two electric motors coupled to a drive shaft of the vehicle via the drive of this invention such that the electric motor can provide some or all of the mechanical power required to propel the vehicle while accepting some relative motion between the existing vehicle drive shaft and the motors. The improvement consists of interlocked idler rollers mounted so as to reduce dynamic loads on the drive at high speeds, thus reducing noise and vibration. | 06-21-2012 |
20130092468 | PRIMARY CLUTCH ELECTRONIC CVT - A continuously variable transmission (CVT) is provided for use on a recreational or utility vehicle. The CVT is electronically controlled by a control unit of the vehicle. The CVT includes a primary clutch having a first sheave and a second sheave moveable relative to the first sheave. An actuator may be positioned between the primary and secondary clutches. | 04-18-2013 |
20140332307 | UTILITY VEHICLE WITH A CONTINUOUSLY VARIABLE TRANSMISSION HAVING A SYSTEM FOR SELECTIVELY ESTABLISHING A FIXED MAXIMUM TRANSMISSION RATIO - A continuously variable transmission for a vehicle comprises a primary pulley, a secondary pulley, and a belt entrained around both pulleys in an opposite manner between the fixed and movable sheaves thereof. One pulley carries a selectively deployable stop that may be placed into position to mechanically limit the range of motion between the fixed and movable sheaves. This establishes an actual maximum transmission ratio that is larger than the nominal minimum transmission ratio but smaller than the nominal maximum transmission ratio achievable by the transmission during normal operation thereof. When such a transmission is used on a utility vehicle attached to a substance dispensing applicator operatively driven by the vehicle's engine, the application rate stays substantially constant despite changes in engine speed when the user keeps the transmission upshifted to the actual maximum transmission ratio set by the position of the deployed stop. | 11-13-2014 |
180367000 | Fluid drive | 7 |
20090159358 | INDUSTRIAL VEHICLE - A pump impeller ( | 06-25-2009 |
20090211834 | Hydraulic Four-Wheel-Drive Working Vehicle - A hydraulic four-wheel-drive working vehicle includes a hydraulic pump unit having a hydraulic pump main body of a variable displacement type, a pair of left and right first motor devices driving a left and right first driving wheels, and a pair of left and right second motor devices driving a left and right second driving wheels, wherein each of the pair of first motor devices and the pair of second motor devices includes a hydraulic motor main body forming an HST in cooperation with the hydraulic pump main body, a motor volume adjusting mechanism, and a hydraulic actuating mechanism that operates the motor volume adjusting mechanism, and the hydraulic actuating mechanisms in the pair of first motor devices and the pair of second motor devices are operated and controlled with use of hydraulic fluid from a single hydraulic pressure source. | 08-27-2009 |
20090236169 | Working Vehicle and HST Unit - The working vehicle includes an axle unit that has a differential gear device, an axle case, an axle input shaft and first and second main output shafts, and an HST unit that has a hydraulic pump main body, a hydraulic motor main body, a capacity adjustment mechanism, an HST case, a pump shaft and a motor shaft, an HST input shaft, and an HST output shaft, wherein the axle unit is directly or indirectly supported by the vehicle frame so as to be positioned close to a first main driving wheel in a state where the axle input shaft extends in a vehicle widthwise direction, wherein the HST unit is directly or indirectly supported by the vehicle frame at a position away from the axle unit in a state where the HST output shaft extends in the vehicle widthwise direction, and wherein the HST output shaft and the axle input shaft are operatively connected to each other through an endless type transmission member. | 09-24-2009 |
20100084213 | VEHICLE TRANSMISSION - A vehicle transmission comprising a multi-ratio gearbox having a gearbox input shaft and a gearbox output shaft, the gearbox being operable to provide a driving connection between the gearbox input shaft and the gearbox output shaft at a selected one of a plurality of gear ratios, a torque converter having a torque converter input for connection to an engine, and a torque converter output driveably connected to the torque converter input by fluid coupling within the torque converter, a first driving connection between the torque converter output and the gearbox input shaft, a second driving connection between the torque converter input and the gearbox input shaft, and a selection means to select one of the first driving connection and the second driving connection. | 04-08-2010 |
20100252354 | Differential Pressure Control - A vehicle with a load sensing hydraulic control system is disclosed. | 10-07-2010 |
20110203868 | WORKING VEHICLE - A working vehicle includes a HST, forward and reverse pedals, a brake pedal, an intermediate link mechanism (ILM) operating in linkage with operation of the forward or reverse (F or R) pedal, a single shift rod receiving the operation from the ILM and rotating a trunnion shaft of the HST to a forward drive side and to a reverse drive side, a neutral return mechanism (NRM) having a cam plate rotating integrally with the trunnion shaft and forming a curved surface portion, a roller moving in contact with the curved surface portion, a lower return arm configured integrally with a return arm that includes the roller, and a first spring acting in a direction of returning the trunnion shaft to a neutral position, a lower return arm onto which the first spring is latched, a F pedal onto which is latched a second spring acting in a direction of returning the trunnion shaft to the neutral position when depression operation of the F or R pedals is not being performed, an ILM including a damper applying a resistance to movements of the F or R pedals, and the NRM disposed between a rear wheel and a fender of the working vehicle in side view. | 08-25-2011 |
20110284310 | Axle Driving Apparatus - An axle driving apparatus for being mounted on the body frame of a vehicle and for independently rotating drive wheel members. The axle driving apparatus includes a first axle driving unit ( | 11-24-2011 |
180369000 | Planetary | 4 |
20100044141 | Planetary Transmission Having Common Carrier for Generating Six Forward and Two Reverse Drive Ratios - An automatic transmission includes a first planetary gearset having a first planet pinion set rotatably supported on a common carrier and drivingly engaged with a first sun gear and a first composite gear that acts both as a first ring gear and รก second sun gear. A second planetary gearset includes a second planetary pinion set rotatably supported on the common carrier and drivingly engaged with a third sun gear, the first composite gear and a second composite gear that acts both as a second ring gear and a third ring gear. A third planetary gearset has a third planet pinion set rotatably supported on the common carrier and drivingly engaged with a third sun gear and the second composite gear. A series of nested clutches and multiple bakes are employed to establish six forward speed ratios and one reverse ratio using a single carrier. | 02-25-2010 |
20110127102 | TWO-SHAFT SHIFT TRANSMISSION OF A MOTOR VEHICLE - A two-shaft shift transmission is provided for a vehicle. The two-shaft shift transmission has a drive shaft and an output shaft. Drive gearwheels for forward gears (G | 06-02-2011 |
20160047450 | DIFFERENTIAL ASSEMBLY AND SPEED SENSOR MOUNTING ARRANGEMENT THEREFOR - A differential assembly for a vehicle includes a drive train for transferring motive power from an engine drive member to the right and left drive shafts which are coupled, respectively, to ground engaging members of the vehicle. The drive train includes a rotating element operatively engaged to the drive member and to the right and left drive shafts. The differential assembly further includes a first speed sensor is arranged to measure rotational speed of (i) the rotating element or (ii) one of the right and left drive shafts, and a second speed sensor arranged to measure rotational speed of one of the right and left drive shafts. The second speed sensor arranged to measure rotational speed of the other of the right and left drive shafts when the first speed sensor is arranged to measure rotational speed of one of the right and left drive shafts. | 02-18-2016 |
20160121718 | MULTI-SPEED TRANSMISSION WITH MECHANICAL ON-OFF CLUTCH - A transmission has four planetary gear sets, four interconnecting members and six torque-transmitting mechanisms selectively engageable in different combinations of four to establish ten forward speed ratios. One of the six torque-transmitting mechanisms is a mechanical on-off clutch that engages to prevent rotation of a first member of a first of the planetary gear sets rotates in a first direction, and freewheels when the first member rotates in an opposing second direction. When engaged, the first member is grounded to a stationary member. | 05-05-2016 |