Abstract: A wheel-floating mechanism for a mobile robot includes a suspension guide seat with a guide plate and upper and lower end covers. A lead-screw assembly, consisting of a ball screw and nut, is supported between the covers by bearings. A suspension connection plate, driven by the screw nut, mounts the wheel. A braking mechanism locks the ball screw in response to wheel-control signals. A compression spring encircles the ball screw, connecting the suspension plate to the upper end cover. This design maintains stable manipulator posture during motion and ensures all four wheels remain in contact with the ground, improving traction and reducing robot sway.

Abstract: A refrigerant module for a vehicle heat pump system and a maintenance method therefor are disclosed. The method, performed by an apparatus of a vehicle, may include performing an initial calibration on a plurality of refrigerant valves to determine a plurality of pieces of valve calibration information; storing each of the plurality of pieces of valve calibration information in a memory of a hall sensor installed for a corresponding refrigerant valve of the plurality of refrigerant valves; based on a first refrigerant valve of the plurality of refrigerant valves being replaced due to a failure, obtaining a first piece of the valve calibration information stored in the memory of the hall sensor installed in the first refrigerant valve; and calibrating, based on the first piece of the valve calibration information, tolerance of a second refrigerant valve that replaced the first refrigerant valve.

Abstract: Disclosed is a heat exchanger for an electric water heater, said heat exchanger comprising a heating conductor, a heat transfer element and an insulation element which is arranged between the heating conductor and the heat transfer element and which serves to electrically insulate the heating conductor from the heat transfer element and vice versa, wherein the insulation element is arranged on the heat transfer element by means of a thermally conductive and elastic adhesive.

Abstract: An ejector comprises a nozzle portion and a body portion. the nozzle portion includes a nozzle inlet at which depressurization of a fluid is started, an ejection port from which the fluid is ejected, and a nozzle passage extending from the nozzle inlet to the ejection port. The nozzle passage includes a first passage and a second passage. The first passage reduces a passage cross-sectional area from the nozzle inlet toward a downstream side in a fluid flow direction. The second passage expands a passage cross-sectional area from a first outlet of the first passage toward the downstream side in the fluid flow direction. The first passage generates a bubble in the fluid in a liquid phase, and the second passage causes the fluid to reach a critical state.

Abstract: An air conditioner unit for a recreational vehicle includes a housing defining an indoor portion in fluid communication with an interior space and an outdoor portion. An outdoor heat exchanger and an outdoor fan are disposed in the outdoor portion. An indoor heat exchanger and an indoor fan are disposed in the indoor portion. The air conditioner unit also includes a compressor in fluid communication with the outdoor heat exchanger and the indoor heat exchanger to circulate a refrigerant between the outdoor heat exchanger and the indoor heat exchanger. The air conditioner unit further includes a circuit in electrical communication with the compressor and a controller. The controller is configured to determine a status of the circuit and permit or prevent activation of the controller in response to the determined status of the circuit.

Abstract: Provided is a scent output control unit that executes scent output control and a scent output unit that executes a scent output under control of the scent output control unit. The scent output control unit selects a scent to be output on the basis of an advertisement and outputs the selected scent via the scent output unit. The scent output control unit selects a scent to be output on the basis of the advertisement detected from an image captured by a vehicle exterior camera that captures the outside of the vehicle or an advertisement output to the information output terminal, and outputs the selected scent via the scent output unit.

Abstract: A method for operating an electric viewing element arrangement, in particular a window arrangement, of a motor vehicle, wherein the viewing element arrangement has at least one transparent viewing element, the degree of transparency of which is variable, and a control unit, wherein the viewing element is controlled by means of the control unit in order to set the degree of transparency thereof. The control unit measures an electrical parameter of the viewing element in a defect detection routine and, on the basis of the electrical parameter, determines whether a defect of the viewing element exists.

Abstract: The invention relates to an electric wheel hub drive for a motor vehicle, having a wheel carrier, having a wheel bearing which has a first bearing ring connected to the wheel carrier for conjoint rotation and a second bearing ring arranged so as to be rotatable with respect to a main rotational axis, having an electric engine which has a stator and a rotor arranged so as to be rotatable around the main rotational axis, having a stator carrier which is connected to the wheel carrier for conjoint rotation, having a rotor carrier which is connected to the rotor for conjoint rotation and is mounted so as to be rotatable with respect to the wheel carrier, wherein a decoupler has a first coupling half connected to the rotor carrier for conjoint rotation and a second coupling half connected to the second bearing ring for conjoint rotation, wherein a servomotor of an actuator of the decoupler is arranged on a side of the wheel carrier facing away from the first and second coupling halves.

Abstract: A front-end structure for a motor vehicle has a right-hand deformation element in a motor vehicle width direction and a left-hand deformation element in the motor vehicle width direction. A continuous cross member in the motor vehicle width direction connects the right-and left-hand deformation elements to one another and is arranged in front of the right-and left-hand deformation elements in a motor vehicle longitudinal direction. A right-hand vertical strut in the motor vehicle width direction and a left-hand vertical strut in the motor vehicle width direction connect the continuous cross member to another cross member. The vertical struts are each L-shaped when viewed from the motor vehicle longitudinal direction.

Abstract: An off-road vehicle includes an internal combustion engine, an exhaust assembly, and a fan that sends outside air toward the exhaust assembly. A direction orthogonal to both of a first direction in which a crank shaft of the internal combustion engine extends and a second direction in which a cylinder of the internal combustion engine extends is defined as a third direction. The exhaust assembly is adjacent to the internal combustion engine in the third direction. The fan overlaps the internal combustion engine in the third direction.

Abstract: A chassis for a vehicle includes a first longitudinal member, a second longitudinal member, and a tank intended to store an energy fluid. The longitudinal members extend parallel to a longitudinal axis. The tank is arranged in an extension of the longitudinal members along the longitudinal axis and attached to the longitudinal members.

Abstract: A motor control unit with fault isolation, a distributed powertrain, and a vehicle. The motor control unit includes a three-phase bridge arm, a direct current breaker, an alternating current breaker, and one control apparatus. The control apparatus is configured to be connected to a direct current drive module and an alternating current drive module through an internal line, the one control apparatus is configured to: control the direct current drive module to drive a direct current breaking module to establish or break a connection between the three-phase bridge arm and the direct current bus, and control the alternating current drive module to drive an alternating current breaking module to establish or break connections between bridge arm midpoints of at least two phase bridge arms and at least two phase windings, so that a fault of the powertrain can be isolated.

Abstract: A pantograph positioning system may include a contact strip, a main valve, a supply line, at least one feeder line, and a detection line. The contact strip may be fastened to a pantograph and equipped with a wear detection circuit supplied a fluid. The main valve may include a pilot chamber and a secondary chamber, which are separated by a membrane. The membrane may be movable between a closed position, in which the membrane blocks an outlet aperture of the secondary chamber, and an open position, in which the membrane does not block the outlet aperture, allowing evacuation of the fluid. The supply line may supply the fluid to the secondary chamber of the main valve. The at least one feeder line may feed the fluid to the pilot chamber. The detection line may extend from the pilot chamber to the wear detection circuit of the contact strip.

Abstract: A battery control apparatus includes at least one processor, and at least one memory storing a program to be executed by the processor. The processor calculates an estimated regeneration value of a regenerative current amount to be supplied to a battery of a vehicle in a downward zone of a gradient continuous section, tentatively determines a discharging current amount to be discharged from the battery in an upward zone of the gradient continuous section with a value of current flowing from the battery before the vehicle enters the gradient continuous section set as an initial current value, and determines a limit value of the discharging current amount in a non-downward zone by adjusting the initial current value, based on a temperature rise value of the battery in the gradient continuous section. The temperature rise value is determined based on the estimated regeneration value thus calculated and the discharging current amount.

Abstract: A method for operating an electric drive system (1), in particular for an automotive vehicle, wherein the electric drive system (1) comprises power electronics (2), in particular an electric voltage transformer, an electric machine (3) controllable by the power electronics (2) and a battery (4) electrically connected or connectable to the power electronics (2), and wherein the power electronics (2) comprise at least one electrical phase (5) for controlling the electric machine (3).

Abstract: A drive axle system and a method of control. The method includes commanding a shift collar to move to a neutral position, changing a rotational speed of the electric motor, and determining whether there is acceleration in response to changing the rotational speed of the electric motor. Output torque provided by the electric motor is reduced when acceleration is detected.

Abstract: The present invention discloses a system (100) for a modular controller for an electric vehicle wherein a plurality of add-on controller modules (20) is electrically coupled with the master or modular controller module (10) to meet a high power and torque requirement without changing the whole controller. The plurality of add-on controllers (20) is integrated with the master controller module (10) using connecting means like busbar (50) or any material with conductivity etc., but not limited to it. Furthermore, the master controller will control the add-on controller via a signal interface connector (30) and a second signal interface connector will get input from electric vehicle. The present invention enables stacking multiple add-on controllers (20) externally with a master controller module, making integration quick and easy, user-friendly and cost-effective.

Abstract: There is a wireless electric vehicle charging system having: (a) a modular converter or modular inverter having a plurality of modules each configured to receive power from a power source and to output power in the form of alternating current, and (b) a plurality of transmitters each configured to receive power from the modular converter/inverter and to wirelessly transmit power. Each module is switchable between: (i) a first module mode and (ii) a second module mode. Each transmitter is switchable between: (iii) a first transmitter mode and (iv) a second transmitter mode.

Abstract: A power conversion device includes: a power convertor including an AC-side input/output terminal electrically connected to a charge/discharge socket to which a charge/discharge cable is detachably connected, and a DC-side input/output terminal; a neutral point connection switch disposed between a neutral point of a pair of power lines of the AC-side input/output terminal and a functional grounding line at a chassis potential electrically connected to a protective earth line of the charge/discharge cable connected to the charge/discharge socket; and a first controller configured to control an islanded operation causing the power convertor to convert DC power input from the DC-side input/output terminal into AC power to output the AC power from the AC-side input/output terminal with the neutral point connection switch kept on by the first controller to establish conduction between the neutral point of the AC-side input/output terminal and the functional grounding line at the chassis potential.

Abstract: A method for charging an electric vehicle at a charging point of a property, whose local home energy network is connected to a public energy distribution network is provided. An incentive table creation unit of the property provides a set of incentive tables including an incentive table for the electric vehicle based on power consumption information of the property and power provision information of the energy distribution network, the incentive table creation unit transfers the set of incentive tables to an external IT system, the external IT system analyzes the set of incentive tables based on another item of information relevant for charging the electric vehicle, and, depending on the result of the analysis, the external IT system approves the set of incentive tables sent by the incentive table creation unit without any changes or creates a modified set of incentive tables including at least one altered incentive table.