Method to make to rotate a drum of a concrete mixer comprising a vehicle provided with a movement unit having wheels, to effect the movement of the vehicle, a concrete mixer mounted on the vehicle and comprising a drum, and a device to selectively make the drum rotate. The method provides to feed an electric motor connected to the drum by means of an electric energy generator unit suitable to selectively feed the electric motor.

Method to make to rotate a drum of a concrete mixer comprising a vehicle provided with a movement unit having wheels, to effect the movement of the vehicle, a concrete mixer mounted on the vehicle and comprising a drum, and a device to selectively make the drum rotate. The method provides to feed an electric motor connected to the drum by means of an electric energy generator unit suitable to selectively feed the electric motor.

Truck mixer comprising a vehicle provided with a heat engine which cooperates with a movement unit having wheels, to effect the movement of the vehicle, a concrete mixer mounted on the vehicle and comprising a drum, and a device to selectively make the drum rotate. The device comprises an electric motor connected to the drum, and an electric energy generator unit suitable to selectively feed the electric motor.

An electrified vehicle include a chassis, a front axle coupled to the chassis, a rear axle coupled to the chassis, an electric motor supported by the chassis, and a trailer coupled to a rear end of the chassis and configured to be towed by the electrified vehicle. The electric motor is configured to drive at least one of the front axle, the rear axle, or a component of the electrified vehicle. The trailer includes a trailer frame, a trailer axle coupled to the trailer frame, and an energy storage device supported by the trailer frame. The energy storage device includes a plurality of batteries. The energy storage device configured to power the electric motor.

A truck mixer including a mixing device, wherein the mixing device includes a rotatable mixing drum, an electric drive which is configured for controlling a rotational speed of the mixing drum, and a brake. The brake can be adjusted between a released state, in which rotation of the mixing drum is released, and a stopping state, in which the mixing drum is locked. The truck mixer is configured to lock the mixing drum automatically with the brake in an event of a fault of the electric drive.

A vehicle includes a chassis including a frame rail extending longitudinally, a tractive element coupled to the chassis, an electric motor coupled to the chassis, a shaft coupling the electric motor to the tractive element such that the electric motor is configured to drive the tractive element to propel the vehicle, the shaft extending longitudinally, and a water pump configured to provide a flow of water in response to receiving mechanical energy provided by the electric motor.

An electrified vehicle includes a chassis, a front axle, a rear axle, a vehicle component including at least one of a pump, a compressor, or an alternator, an energy storage device including a plurality of batteries, and an electromagnetic device coupled to both (a) at least one of the front axle or the rear axle and (b) the vehicle component. The electromagnetic device is powered by the energy storage device and configured to selectively provide a mechanical output to (i) the at least one of the front axle or the rear axle and (ii) the vehicle component.

An electric drive for a mixer drum, including a high-voltage DC voltage power supply to which at least one battery, a power converter and at least one external interface for connecting a stationary electric power supply are connected. The at least one battery is charged only via the at least one external interface, wherein a controller is configured to control flows of energy from and to components connected to the high-voltage DC voltage power supply.

A vehicle includes an engine, an electric energy system, a drum configured to mix drum contents received therein, and a drum drive system coupled to the drum and the engine. The drum drive system includes a primary pump, an electric motor powered by the electric energy system, an auxiliary pump fluidly coupled to the mechanical pump and powered by the electric motor, and a drum motor fluidly coupled to the primary pump and the auxiliary pump and positioned to drive the drum to agitate the drum contents.