Patents - stay tuned to the technology

Inventors list

Assignees list

Classification tree browser

Top 100 Inventors

Top 100 Assignees


With particular drive coupling

Subclass of:

180 - Motor vehicles

180337000 - TRANSMISSION MECHANISM

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
180383000 With particular drive coupling 16
20080271940Transmission system for a vehicle - The present invention is a transmission system having an input portion connected to an engine, an output portion connected to a front propshaft and a rear propshaft, and a middle portion connecting the input portion to the output portion. The front propshaft and the rear propshaft are substantially co-axial and substantially equal length. The middle portion extends downward and diagonally rearward from the input portion to the output portion.11-06-2008
20080296082Twin clutch apparatus for power unit, power unit incorporating same, and vehicle incorporating same - A twin clutch apparatus includes a first clutch, a second clutch, and a clutch outer member shared by the first and second clutches. The clutch outer member has groove portions formed therein having a width that gradually increases towards an open-end side of the clutch outer member. A width of each protruding portion formed in friction plates of the second clutch disposed towards the open-end side of the clutch outer member is greater than a width of each protruding portion formed in friction plates of the first clutch disposed towards a closed-end side of the clutch outer member. The twin clutch apparatus, during operation thereof, is operable to control a clearance between groove portions of the clutch outer member and protruding portions of friction plates within a desirable range, to reduce force and sound produced by an impact between the clutch outer member and the friction plates.12-04-2008
20090159359Independently Suspended and Driven Asymmetric Axle Shafts - An independently suspended, driven axle shaft set in which the axle shafts are asymmetric with respect to each other, wherein the asymmetry provides mitigation of powerhop. The asymmetric axle shafts are asymmetrically selected such that the relative torsional stiffness therebetween is different by a ratio substantially between about 1.4 to 1 and about 2.0 to 1. The asymmetry may be provided by any known modality that alters torsional stiffness and is compliant with operational load demands of the axle shafts, as for example the axle shafts having the same length, but differing cross-sectional diameters; or by the axle shafts having the same cross-sectional diameters, but differing lengths; or a combination thereof.06-25-2009
20090166123Hybrid Vehicle Having Torsional Coupling Between Engine Assembly And Motor-Generator - A hybrid vehicle has a power system with a torsional coupling. The power system includes a battery system for receiving, storing and providing electrical power, an internal combustion engine configured to provide rotational power through a flywheel, a first motor-generator, a second motor-generator, a control system, and a torsional coupling. The torsional coupling may absorb rotational shock caused by angular or rotational speed differences between the engine and the first motor-generator. The torsional coupling includes a driven plate assembly, a cover assembly and an interconnecting plate assembly. The interconnecting plate assembly may include a plurality of shock absorbing elements that absorb shock and vibration between the engine and the motor-generator.07-02-2009
20100018795Compact Selection Mechanism For a Selectable One-Way Clutch - A vehicle includes an automatic transmission having an engine, an input member, a stationary center support, and a selectable one-way clutch (SOWC) positioned within the stationary center support. A SOWC selection mechanism is formed integrally with the center support, and rotates a slide plate during a predetermined transmission operating mode. A piston in a first bore of the selection mechanism rotates the slide plate in a first rotational direction to engage the SOWC, and a return spring in a second bore of the selection mechanism rotates the SOWC in a second direction to disengage the SOWC. The slide plate has a tab portion, and the piston and the return spring alternately apply a respective first and second force to opposite sides of the tab portion to rotate the slide plate, either directly or via an adapter ring.01-28-2010
20100089685CLUTCH - The invention relates to a clutch having two clutch parts which can be brought into engagement in form fitted manner for the torque transfer; and a shift member which is movable in a first direction to bring the clutch parts out of engagement and is movable in a second direction to bring the clutch parts into engagement. A motor is provided for the movement of the shift member in the first direction and a spring element is provided for the movement of the shift member in the second direction.04-15-2010
20100200325DRIVESHAFT ASSEMBLY WITH TORQUE SENSOR - A driveshaft assembly that includes a first shaft member, a second shaft member, a bearing assembly and a sensor. The first shaft member has a magnetically encoded zone with a magnetic field that varies as a function of the torque that is transmitted through the first shaft member. The second shaft member is coupled for rotation with the first shaft member. The bearing assembly comprises a bearing support, which is configured to be coupled to a vehicle structure, and a bearing that is housed in the bearing support. The bearing journally supports the first shaft member for rotation about a first axis. The sensor is coupled to the bearing assembly. The sensor is arranged to sense the magnetic field of the magnetically encoded zone and responsively produce an electrical signal.08-12-2010
20130153325MULTIPLE USE ALL TERRAIN VEHICLE - An all terrain vehicle with a tool less maintainable drive system, and having a seat designed to be straddled by the operator. The vehicle has a frame, a plurality of wheels attached to the frame, a steering mechanism attached at least one of the plurality of wheels, an engine mounted to the frame, and a clutch attached to the engine. The vehicle contains a system of features that can be removed without the use of tools. The system has a support attached to and extending outward from the frame, a removable footrest, a receiver attached to the removable footrest and configured to mate with the support, a locking mechanism attached to the receiver to secure the removable footrest with respect to the footrest support; and a removable clutch housing.06-20-2013
20130175110Wheel Type Traveling Body for Construction Vehicle - A wheel type traveling body includes: a drive device provided on a frame for forming a chassis of the wheel type traveling body; pairs of left and right front and rear wheels which are provided on a front axle and a rear axle respectively, which are provided at the front and rear of the frame, respectively; a propeller shaft provided between the front and rear axles and transmitting the travel drive force of the drive device to the front and rear axles; and a bearing provided on the frame and rotatably supporting an intermediate part of the propeller shaft. The wheel type traveling body also includes a protection member provided so as to be separated from the bearing in the radial direction of the propeller shaft and so as to cover the outer periphery of the bearing from below.07-11-2013
20150075897Slip Yoke Assembly For Automotive Drive Train - Automotive drive shafts having slip yoke assemblies that are designed and configured to transmit torque and allow for axial movement while also minimizing driveline vibrations. In some embodiments, the slip yoke assemblies may include one or more bearings that minimize angular misalignment and resist drive shaft bending forces. In some embodiments, the bearings may include a pair of precision mating diameters on a yoke shaft and splined sleeve. In yet other embodiments, the slip yoke assembly may include internal rod wipers to seal out environmental contaminants and retain lubricants.03-19-2015
20150107933TORQUE LIMITING DIFFERENTIAL - A selectively lockable differential, comprising a plurality of torque sensitive pins, an outer housing, a first side gear comprising first gear teeth, a second side gear comprising second gear teeth, a pinion shaft, two pinion gears rotationally coupled to the pinion shaft, each pinion gear comprising pinion gear teeth coupled to the first gear teeth and the second gear teeth, and a collar comprising collar teeth for selectively engaging the gear lugs of the first side gear, the torque sensitive pins operatively coupling the collar to the outer housing.04-23-2015
20160082833POWER UNIT FOR A VEHICLE, AND VEHICLE INCLUDING SAME - A power unit for a vehicle includes a clutch actuator mounted to a clutch cover covering first and second hydraulic clutches provided between a crankshaft and first and second main shafts of a transmission. A first actuator body is mounted to the clutch cover at such a position that at least part of the first actuator body overlaps with the first and second hydraulic clutches when viewed from the direction along the axis of the first and second main shafts. A first set of valves, out of a plurality of valves constituting part of the clutch actuator, are disposed in the first actuator body, with their axes of operation set along a plane intersecting the axis of the first and second main shafts. A second set of valves are disposed in a second actuator body mounted to the clutch cover so as to overlap with the first actuator body.03-24-2016
180384000 Relative axial movement 2
20080196965Transmission Drive Unit With a Support Tube, and Method for Manufacturing Such a Transmission Drive Unit - The invention relates to a transmission drive unit (08-21-2008
20110042160DRIVELINE FOR OFF-ROAD VEHICLE - An off-road vehicle is disclosed which comprises a driveline assembly unit operative Iy connecting the propeller shaft to the front or rear wheel assemblies. The driveline assembly unit includes a main housing, a slip clutch torque limiting mechanism, and a wet brake clutch assembly. The slip clutch torque limiting mechanism and the wet brake clutch assembly being housed within the main housing and are coaxial with the propeller shaft of the off-road vehicle. A driveline unit is also disclosed that combines torque limiting and brake functions.02-24-2011
180385000 Drive connection to wheel 2
20100175947Chainless transmission mechanism for bicycle - A chainless transmission mechanism includes a reinforcing shell capped on a front casing and locked by a lock nut to reinforce the structural strength of the front casing, a locating rod inserted into an inside locating groove of a fourth bevel gear and a second locating groove of a rear-wheel axle to prohibit rotation of the fourth bevel gear relative to the rear-wheel axle, and screw rods respectively threaded into respective screw holes on the fourth bevel gear and engaged into a first locating groove of the rear-wheel axle to prohibit axial displacement of the fourth bevel gear relative to the rear-wheel axle.07-15-2010
20150129347METHODS AND APPARATUS FOR INDEPENDENTLY VARIABLE TORQUE DISTRIBUTION TO MOTOR VEHICLE DRIVE WHEELS - A wheel clutch includes a clutch pack mounted in a housing wherein either the friction plates or clutch plates of the clutch pack are fixed for rotation with a corresponding drive wheel, and the other of the friction plates or clutch plates is fixed for rotation with a drive shaft of the vehicle, a resilient member within the clutch housing normally biasing the clutch pack into a fully locked mode, a selectively actuable actuator within the clutch housing engaging the resilient member to selectively and progressively reduce a resilient force or to selectively and progressively allow the increase of the resilient force applied by the resilient member to the clutch pack, whereby the clutch pack is completely or progressively unlocked or locked respectively to provide an optimized amount of rotational traction versus rotational slippage.05-14-2015
Website © 2025 Advameg, Inc.