In one embodiment, the apparatus includes a system for harvesting energy and cooling an automotive sensing unit, the system comprising a solar-energy collecting panel, a turbine, and an electrical energy storage device. The solar-energy collecting panel shields the sensor device from solar irradiation while converting solar energy to electrical energy for storage in the storage device. The turbine converts convective heat flow from the sensor device into electrical energy for storage in the storage device. The stored electrical energy in the storage device can be further used to power an active cooling system for the sensor device. The stored electrical energy can also be further used to power other systems of the host vehicle.

An apparatus includes a first inverter circuit and a second inverter circuit. The first invertor circuit is configured to couple an alternator and a load device to deliver a driving signal from the alternator to the load device. The second invertor circuit is configured to couple the alternator to the load device to deliver a driving signal from the alternator to the load device and configured to couple a battery to the alternator to deliver a charging signal from the alternator the battery.

An energy management system comprises a battery, a heat storage unit, a cold storage unit and a control device. The control device distributes electric power (electric energy) inputted into the energy management system 1 among the battery, the heat storage unit and the cold storage unit by referring to a charging state (SOC and SOP) of the battery, a heat storage state to the heat storage unit and a cold storage state to the cold storage unit. The inputted electric energy is converted into chemical energy to be stored in the battery, and on the other hand, is converted into thermal energy to be stored in the heat storage unit and the cold storage unit.

A lift device comprises a base, a linear actuator, and a rechargeable battery system. The base has a plurality of wheels. The linear actuator is configured to selectively move a work platform configured to support a load between a raised position and a lowered position. The linear actuator has an electric motor. The rechargeable battery system includes a battery, a heating system, and a battery charger. The battery is configured to power the electric motor of the linear actuator. The heating system is configured to selectively provide heat to the battery. The battery charger is configured to selectively charge the battery and to selectively charge the heating system. The heating system is configured to receive power from the battery through a battery power connection and to receive power from the battery charger through a battery charger power connection.

A working device connected to a traveling vehicle having a prime mover and configured to perform an agricultural work, includes: a working portion to perform an agricultural work; an electric motor to be driven by electric power; a power transmission mechanism to which power generated by the electric motor is inputted, configured to transmit the power to the working portion; a regeneration resistor to consume a regenerative power generated in the electric motor; a switch portion to switch, between a connecting state and a shut-off state, a state established between the electric motor and the regeneration resistor; and a controller portion to control driving of the electric motor and switching of the switch portion.

A magnetic energy convertor for vehicle axles includes an annular housing, a rotor shaft, a bearing, an annular bracket, a magnetized female adaptor, a magnetized male adaptor, a magnetized impeller assembly, and a fluid turbine system. The rotor shaft is rotatably mounted within the annular bracket by the bearing. The annular housing is radially mounted around the annular bracket. The magnetized female adaptor is terminally mounted to the rotor shaft. The magnetized male adaptor is terminally mounted to the rotor shaft, opposite of the magnetized female adaptor. The magnetized impeller assembly is slidably engaged within the annular housing so that the magnetized impeller assembly can be magnetically engaged with the magnetized female adaptor and the magnetized male adaptor through the rotation of the rotor shaft. The fluid turbine system is in fluid communication with the annular housing, wherein the circulation of fluid flow generates electricity within the fluid turbine system.

A hybrid system for a heavy duty vehicle having an engine and a pneumatic system. The hybrid system comprises a direct current (dc) network having a peak voltage not exceeding 60 volts, and connected to the dc network electrical components including: a battery, a starter/generator electric machine having a power delivery mode in which an electrical energy input to the starter/generator is converted into a rotational power output and an electricity generation mode in which a rotational power input is converted into an electrical power output, a plurality of electrically powered ancillary devices one of which is an electrically powered compressor of the pneumatic system, a plurality of vehicle parameter sensors, a communications network and a controller, wherein the controller, the vehicle parameter sensors and the electrical components are connected to the communications network; and wherein the controller is configured to control the flow of electricity between the starter/generator, the battery, and the electricity consuming devices according to pre-programmed priorities and wherein the priorities include causing kinetic energy converted into electrical energy by the starter/generator when in its electricity generation mode to be stored by the battery by charging the same or in the pneumatic system by operating an electric motor driven air compressor of the pneumatic system.

An apparatus includes a first inverter circuit and a second inverter circuit. The first invertor circuit is configured to couple an alternator and a load device to deliver a driving signal from the alternator to the load device. The second invertor circuit is configured to couple the alternator to the load device to deliver a driving signal from the alternator to the load device and configured to couple a battery to the alternator to deliver a charging signal from the alternator the battery.

A hybrid construction machine includes: a motor generator system connected to an internal combustion engine and performing a motor generator operation; an electric power accumulation system connected to the motor generator system; a load drive system connected to the electric power accumulation system and being driven electrically; an abnormality detection part equipped to the motor generator system, the electric power accumulation system and the load drive system; and a main control part determining whether an abnormality has occurred based on a detection value of the abnormality detection part. When the abnormality determination part determines that an abnormality has occurred, the main control part stops a drive of a drive system in which the abnormality is detected in the load drive system.

A transport refrigeration unit includes at least one airfoil (88) and an energy conversion device (90) attached to the at least one airfoil. The at least one airfoil is adapted to mechanically drive the energy conversion device upon exposure to wind (105). The energy conversion device is constructed to convert mechanical energy to electrical energy, and the electrical energy is used, at least in-part, to charge the battery (52). An isolation relay (108) is controlled by the controller (82). A capacitor bank (110) and a rectifier (112) are provided.