2553results about "Motor deposition" patented technology

Disclosed is a corner module apparatus for a vehicle. The corner module includes a driving unit that provides drive power to a wheel of the vehicle, a braking unit that interferes with rotation of the wheel to generate braking power, and a suspension unit connected to the driving unit. The suspension unit absorbs shock transferred from a road surface. The corner module also includes a steering unit connected to the suspension unit and rotated about a steering axis inclined with respect to the wheel. The steering unit adjusts a steering angle of the wheel.

Systems and methods for an electric drive unit. The electric drive unit includes, in one example, a first electric machine rotationally coupled to a first drive wheel via a first gear train and a second electric machine rotationally coupled to a second drive wheel via a second gear train. The electric drive unit further includes a disconnect clutch that is configured to selectively rotationally couple the first electric machine and the second electric machine and a park lock assembly that is coupled to one of the first gear train and the second gear train and is configured to inhibit rotation of the corresponding gear train.

An electric wheel controller and methods for operating and manufacturing an electric wheel controller are disclosed. Embodiments include a controller forming a structural and / or load bearing component of the vehicle suspension system. Embodiments of the controller can be mounted to a wheel assembly, and in some embodiments the controller is a suspension knuckle. Embodiments include a controller with a cavity and electronic circuitry submerged in liquid coolant. During operation the coolant can absorb heat from the immersed circuitry. In some embodiments the coolant transitions to a gas and / or vapor, and can move to an upper portion of the cavity. When the coolant contacts the cooler surfaces of the cavity the coolant can transition back to a liquid and return to a pool of liquid coolant in which the circuitry is immersed. A heat sink can be connected to the controller, such as by laser soldering.

The invention discloses a self-adaptive constant-force vibration reduction mechanism base and a robot, and belongs to the technical field of specialized robots. Two sets of buffer units and vibration reduction units are arranged at the front end and the rear end of the base correspondingly; driving wheels are arranged on the buffer unit and the vibration reduction unit; the buffer unit comprises a horizontal buffer structure, a vertical buffer structure and a support; the horizontal buffer structure is slidably connected with the support in the vertical direction; the top of the vertical buffer structure is hinged to the support, and the bottom is fixedly connected with the driving wheel; the support is fixedly connected with the base; the vibration reduction unit comprises a rotating support and a constant force component. According to the self-adaptive constant-force vibration reduction mechanism base and the robot, the problems that in the prior art, a vibration reduction mechanism cannot completely avoid vibration generated by a wheel type moving device in the vertical direction when the wheel type moving device moves on an uneven road surface, and consequently bolt looseness, wire harness interface looseness, material fatigue strain and the like occur can be effectively solved; and therefore, the wheel type moving device has a fault in the operation process and cannot stably operate, and the like.

The invention discloses a self-balancing type light steering wheel for complex terrains. The self-balancing type light steering wheel comprises a wheel carrier, a steering assembly, a driving assembly and a suspension system. The steering assembly drives tires to steer through a motor via a three-stage gear pair. The driving assembly drives tires through a motor and a speed reducer; the suspension system is connected between the driving mounting plate and the wheel carrier and comprises a parallel connecting rod mechanism and symmetrically arranged spring suspension units, self-adaptive buffering is achieved through a compression spring and a fisheye knuckle bearing, and it is ensured that the tire continuously touches the ground on a rugged road surface; the driving speed reducer is integrated in the tire, the driving motor is arranged between the wheel carrier and the tire, and the whole steering assembly does not exceed the turning radius of the tire. The device is compact in structure, has good terrain adaptability and motion stability, and is suitable for an outdoor mobile robot system.

The invention relates to a chassis structure of a vehicle based on corner modules and a control system, the chassis structure of the vehicle comprises the corner modules corresponding to four wheels of the vehicle respectively, in each corner module, a wheel side motor driving assembly is used for directly driving the wheel corresponding to the corner module, and the wheel side motor driving assembly is used for directly driving the wheel corresponding to the corner module. The 90-degree two-way steering execution system is used for driving wheels corresponding to the angle module to realize positive and negative 90-degree steering; the wheel side motor driving assembly and the 90-degree bidirectional steering execution system are separately arranged; the suspension and supporting structure is used for keeping geometric stability of the suspension when the wheels corresponding to the angle modules steer and buffering road impact. The electronic mechanical braking unit is used for achieving braking of wheels corresponding to the angle modules. In this way, synchronous control over steering, driving, vibration reduction and braking of the vehicle in different running modes can be achieved through cooperative work of the angle modules in the wheels of the vehicle, and a vehicle chassis has higher flexibility and more scene adaptability in the running process of the vehicle.

In one aspect, an in-wheel drive assembly is provided that includes a stator configured to form a non-rotatable connection with a spindle of a vehicle and be positioned outboard of the spindle. The in-wheel drive assembly includes a stator retainer configured to extend in an interior of the spindle and inhibit movement of the stator in an outboard direction relative to the spindle. The in-wheel drive assembly further includes a rotor rotatably supported by the stator, an output housing to be connected to a wheel hub, and a planetary gear assembly operatively connecting the rotor and the output housing. The planetary gear assembly is configured to cause rotation of the output housing and wheel hub connected thereto in response to rotation of the rotor.

Systems and methods are provided for an electric drive unit. The electric drive unit includes a first electric machine and a second electric machine, a first transmission coupled to the first electric machine, a second transmission coupled to the second electric machine and a disconnect. The disconnect is arranged between a shaft coupled to the first transmission and a shaft coupled to the second transmission and configured to mechanically couple the first transmission and the second transmission.

A modular electric wheel assembly. The assembly including a motor with a rotor in a rotary union with a stator. The motor of the brushless DC type and including a circular rotor rotating about a central axis and including a central hollow axle. The hollow axle configured for coupling with a removable energy source and / or an external energy source and including attachment structures for a plurality of attachments to enable riding by a user or configuration within a parent vehicle such as a bicycle or moped, or use as another machine type, such as a power tool or power generation machine. The rotor configured with a quick-change mechanism through a first ring configured to accept a plurality of removable wheel types and rotatable attachments, enabling a user to select a variety of unique wheel / tire types and configurations for a variety of applications.

Embodiments of the present disclosure include apparatuses and methods for cooling an electric wheel controller are disclosed. Embodiments include an integrated circuit that controls the rotation of a wheel immersed in liquid coolant. During operation the temperature of the integrated circuit increases and the liquid coolant absorbs heat form the integrated circuit. The heated liquid coolant can then transfer heat to a housing that houses the integrated circuit and liquid coolant. In some embodiments the liquid coolant reaches temperatures that result in the liquid coolant transitioning to a gas and / or vapor. The gas and / or vapor coolant can move to portions of the housing with no liquid and transfer heat to the housing. The gas and / or vapor coolant can cool to a liquid state and move back to the pool of liquid coolant. In some embodiments a heat sink with optional fins can be soldered to the integrated circuit.

Inspection robots and methods for inspection of curved surfaces with sensors at selected horizontal distances are described. An example of such an inspection robot includes a housing; a drive module with a wheel and a motor operatively linked to the housing, a plurality of sensor sleds, and a payload. The payload, which is coupled to the housing, may include a first and a second rail component, each with at least one connector, where the rail components are connectable at a first selected position of a plurality of discrete engagement positions. Each of the rail components may be structured to support at least one of the plurality of sleds where each of the plurality of sleds is coupled to the payload at a respective selected horizontal position such that the plurality of sleds are at selected horizontal distances from each other.

The invention is suitable for the technical field of automobile chassis, and provides an angle module system and a modular extensible chassis, and the angle module system adopts an unequal-length double-wishbone suspension and has good geometric kinematics characteristics. And the offset distance of the main pin is reasonably controlled through the design of steering knuckle parts. By adopting the angle module bracket, the efficient integration of the driving unit and the frame structure is realized, the number of connecting points of the angle module system and the chassis is reduced, and the serialization, integration and modularization of the chassis system are facilitated. A distributed main pin steering gear is adopted, and the geometrical shape design of upper and lower control arms of the suspension is matched, so that wheels have a larger turning angle range, and the maneuverability is improved. In addition, the modular extensible chassis adopts modular design, and the number of shafts can be flexibly configured according to carrying requirements.

The invention discloses a drive-by-wire four-wheel independent steering system and a roll risk assessment method thereof, and the method comprises the steps: building a vertical load distribution model, so as to monitor and feed back the time-varying property and nonlinear change of a vertical load in real time; establishing a real-time roll risk assessment model, designing a dynamic compensation algorithm to correct the model, and generating a roll risk prediction value sequence of a future working condition through a time sequence analysis and prediction algorithm; and establishing a roll risk early warning model, and generating different levels of safety early warning signals based on a risk level judgment mechanism. According to the invention, accurate measurement of the vertical load can be realized under the limit working condition, and real-time roll risk early warning is provided in combination with the dynamic behavior of the vehicle, so that the safety and reliability of the intelligent driving system are improved.

The invention provides a multi-magnetic-circuit single-magnetic-ring dual-modulation three-rotor coaxial magnetic gear and an automobile hub motor, the magnetic gear comprises an inner rotor, a T-shaped dual-modulation magnetic ring, an intermediate rotor and an outer rotor, the inner rotor, the T-shaped dual-modulation magnetic ring and the intermediate rotor are nested in sequence and are coaxially configured to form a radial and modulation coaxial magnetic gear structure; the middle rotor, the T-shaped dual-modulation magnetic modulation ring and the outer rotor are sequentially nested and coaxially arranged to form an axial and modulation coaxial magnetic gear structure; and sum modulation is adopted between the inner rotor and the intermediate rotor, sum modulation is adopted between the intermediate rotor and the outer rotor, and the two sum modulation and sum modulation share one T-shaped dual-modulation magnetic modulation ring, so that the monotonic magnetic ring dual-modulation effect is realized. The size of the magnetic gear can be reduced, the torque transmission capacity of the magnetic gear is improved, the magnetic saturation phenomenon is restrained, the magnetic field modulation effect is enhanced, and the torque density of the magnetic gear is improved.

A golf bag assembly that is self-powered and stable, having a relatively small footprint. Because of its compactness, the golf bag assembly is relatively easy to collapse, handle, maneuver and transport. Also, the golf bag assembly may include a tracking system that allows a user to use the assembly remotely or in a mode where the golf bag assembly follows the user. Further, a club bag of the golf bag assembly may be integrated with a bag transport assembly.

The present disclosure provides a sealing device and an in-wheel motor including the sealing device. The in-wheel motor includes a stator, a rotor rotatably disposed with respect to the stator, an annular inner seal connected to the stator and spaced apart from the rotor by a predetermined gap so as to be disposed between the stator and the rotor, and an annular slinger coupled to an end portion of the rotor, wherein the annular inner seal seals between the slinger and the in-wheel motor.

A vehicle drive device includes a rotating electric machine disposed on a first axis, an output gear mechanism and an output member disposed on a second axis, and a case that houses these elements. The second axis is disposed below the first axis, a suction port of an oil pump is disposed below the first axis and the second axis and between the first axis and the second axis in a width direction, an outermost gear is disposed so that a direction of rotation at a lower end portion of the outermost gear during forward movement of a vehicle points toward the suction port, and a part of a peripheral wall section of the case that faces a lower surface of the rotating electric machine is inclined downward toward the suction port.

The invention discloses a four-wheel drive lifting type agricultural universal chassis with an adjustable wheel tread. The four-wheel drive lifting type agricultural universal chassis comprises a frame and four groups of leg-wheel assemblies, the vehicle leg-wheel assembly comprises a vehicle leg assembly, the vehicle leg assembly comprises a vehicle leg support and a wheel assembly, and a lifting adjusting mechanism is arranged between the vehicle leg support and a wheel; the vehicle leg support is in running fit with the vehicle frame through a fixed shaft, wheel track adjusting driving mechanisms are arranged on the vehicle frame in one-to-one correspondence with the vehicle leg assemblies, and the wheel track adjusting driving mechanisms are used for adjusting the wheel track between the wheel assemblies; the lifting adjusting mechanism comprises an electric cylinder and a sliding square tube guide structure, the sliding square tube guide structure comprises an outer square tube fixedly connected to the vehicle leg support and an inner square tube capable of sliding in the outer square tube, one end of the electric cylinder is connected with the vehicle leg support, and the other end of the electric cylinder is connected with a welding plate integrally welded with the inner square tube; a steering execution mechanism is arranged in the inner square tube; the wheel assembly comprises a wheel support and wheels installed on the wheel support, and hub motors are integrated in the wheels to achieve four-wheel independent driving.

A vehicle includes a chassis, a tractive assembly coupled to the chassis, the tractive assembly including a tractive element configured to engage a support surface, a battery directly coupled to the tractive assembly, and an electric motor coupled to the tractive assembly. The electric motor is configured to receive electrical energy from the battery and drive movement of the tractive assembly relative to the chassis to propel the vehicle.

An overrunable test vehicle includes a chassis, a wheel operatively attached to the chassis, and a suspension system. The suspension system includes a pivot arm mounted to the chassis about a pivot axis, and the wheel rotatably mounted to the pivot arm. The suspension system also includes a first biasing element having a first spring rate. The first biasing element is partially supported by the chassis and arranged to engage the pivot arm to provide a first suspension force in a first direction about the pivot axis. The suspension system further includes a second biasing element having a second spring rate, different than the first spring rate. The second biasing element is at least partially supported by the chassis and arranged to engage the pivot arm to provide a second suspension force in a second direction about the pivot axis, opposite the first direction.

An electric drive assembly for operation with a work vehicle component using an SAE standard hydraulic pump / motor mount includes an electric machine with a shaft and a mounting flange. An adapter housing defines an interior space between a component mounting flange and an electric machine mounting flange. The electric machine mounting flange is sized and configured to mate with the electric machine mounting flange. The component mounting flange has a bolt hole pattern and mounting pad that are complementary in size and configuration to those of the SAE standard hydraulic pump / motor mount. A gear set, located at least partially within the interior of the adapter housing, is configured to effect a change in gear ratio and transmit power between the electric machine shaft and a drive shaft.

In a left-right wheel drive device (10) that accommodates, in a casing (4), two electric motors (1, 2) spaced apart from each other and a planetary gear mechanism (3) arranged so as to be offset on a first side in an axial direction, a pair of motor shafts (11), a pair of counter shafts (12), and two output shafts (13, 14) are arranged in parallel. The first output shaft (13) is arranged on the first side from the planetary gear mechanism (3) and is fixed with a carrier (3C) at an end portion of a second side thereof. The second output shaft (14) is longer than the first output shaft (13) and is fixed with the second sun gear (3S2) at an end portion on the first side thereof. The second output shaft (14) is rotatably supported by roller bearings (35, 36) at the end portion on the second side and a position on the second side from a driven gear meshing with the second counter gear.

A wheel assembly includes a wheel portion and a pair of drive assemblies opposing each other with the wheel portion interposed therebetween. One of the pair of drive assemblies includes a first motor and a first deceleration assembly. The other of the pair of drive assemblies includes a second motor and a second deceleration assembly. The first deceleration assembly includes a first input shaft connected to the first output shaft. The first rotation axis and the second rotation axis are parallel to the rotation axis of the wheel portion and disposed outside the wheel portion in the radial direction of the wheel portion. The first output shaft, the first input shaft, the second output shaft, and the second input shaft extend in a direction away from the wheel portion in a direction along the rotation axis.

The utility model belongs to the technical field of automatic transportation equipment, and particularly relates to an elbow arm type heavy load driving wheel device which comprises a disc bearing, a mounting base plate, a fixed arm, an elbow arm, a hinge shaft A, a hinge shaft B, a hinge shaft C, a hydraulic cylinder, a steering motor, a transmission gear, a driving wheel mounting frame and a driving wheel. According to the elbow arm type heavy load driving wheel device, the functions of bearing, lifting, driving and steering can be integrated in the same module, so that the dependence of the interior of a vehicle body on an extra steering mechanism and an extra lifting mechanism is reduced, and the compactness and the space utilization rate of the whole vehicle structure are improved. By adopting the elbow arm type lifting structure, the wheel set forms an arc-shaped motion trail in the lifting process, and compared with a traditional linear guide rail type lifting mode, loads and impact force can be more effectively dispersed, the local stress concentration phenomenon is reduced, and the occurrence probability of the problems of guide rail abrasion, clamping stagnation and the like is reduced; and the long-term stability and reliability of the structure under the heavy load working condition are improved.

A powered balancing mobility device that can provide the user the ability to safely navigate expected environments of daily living including the ability to maneuver in confined spaces and to climb curbs, stairs, and other obstacles, and to travel safely and comfortably in vehicles. The mobility device can provide elevated, balanced travel.

A bearing assembly includes an annular carrier, an outer ring disposed within the carrier, the outer ring having an outer raceway and a transmitter coil spaced axially from the outer raceway. The transmitter coil is electrically connectable with a battery and is configured to generate an electromagnetic field when current flows through the transmitter coil. An inner ring is disposable about a rotor shaft and has an inner raceway and a receiver coil spaced axially from the inner raceway so as to be located proximal to and inductively coupled with the transmitter coil such that electric current is generated within the receiver coil when current flows through the transmitter coil. The receiver coil is connected to electromagnetic coils of a motor rotor such that electric current flows from receiver coil to the coils. A plurality of rolling elements are disposed between rotatably couple the outer ring with the inner ring.

The invention discloses a constant-force vibration reduction mechanism and a robot, and belongs to the technical field of specialized robots, the constant-force vibration reduction mechanism comprises at least two vibration reduction units arranged on a base and a plurality of driving wheels consistent with the vibration reduction units; the vibration reduction unit comprises a rotating support and a constant force component. The rotating bracket is rotatably connected with the base; the rotating bracket is respectively connected with the driving wheel and the constant force component; the constant force component is used for applying counter-acting force to the base, and it is guaranteed that the base and an upper structure of the base are kept stable in the vertical direction in the moving process. According to the constant-force vibration reduction mechanism and the robot, the problems that in the prior art, a vibration reduction mechanism cannot completely avoid vibration generated by a wheel type moving device in the vertical direction when the wheel type moving device moves on an uneven road surface, and consequently bolt looseness, wire harness interface looseness, material fatigue strain and the like occur can be effectively solved; and therefore, the wheel type moving device has a fault in the operation process and cannot stably operate, and the like.

Embodiments of the present disclosure include apparatuses and methods for mounting an electronic component, including an integrated circuit that generates heat during operation, to a component of a vehicle suspension system, such as a suspension knuckle. Some embodiments include mounting the electronic component inside a cavity that contains coolant. In some embodiments the electronic component is immersed in liquid coolant that absorbs heat from the electronic component and transfers the heat to the suspension component where the heat can be transferred to the external environment. In some embodiments the liquid coolant transitions to a gas and / or vapor, and can condense back to a liquid after transferring heat to the suspension component. In some embodiments the electronic component is connected to a heat sink, such as by soldering, and the heat sink can include cooling fins that are immersed in the coolant.

Land vehicles are disclosed. A land vehicle includes a chassis, a plurality of wheels, a first powertrain unit, and a second powertrain unit. The chassis includes a front suspension subframe assembly and a rear suspension subframe assembly spaced from the front suspension subframe assembly in a longitudinal direction. The plurality of wheels includes a pair of front wheels supported by the front suspension subframe assembly and a pair of rear wheels supported by the rear suspension subframe assembly. The first powertrain unit is supported by the front suspension subframe assembly and coupled to the pair of front wheels. The second powertrain unit is supported by the rear suspension subframe assembly and coupled to the pair of rear wheels.