A kinetic energy recovery system (KERS) is provided. The KERS (1) comprises a first speed-up gear arrangement (12) having an input (10) connectable to a vehicle powertrain. The KERS further comprises a hydraulic variator made up of first and second bent axis motors (20,22) fluidly connected to one another, wherein at least the first motor (20) is a variable displacement motor, and the first motor (20) is connected to an output of the first speed-up gear arrangement (12). A second speed-up gear arrangement (34) has an input connected to the second motor (22). At least one flywheel (52) is connected to an output of the second speed-up gear arrangement (34), where the at least one flywheel is located in a vacuum within at least one flywheel chamber (58).

A kinetic energy recovery system (KERS) is provided. The KERS (1) comprises a first speed-up gear arrangement (12) having an input (10) connectable to a vehicle powertrain. The KERS further comprises a hydraulic variator made up of first and second bent axis motors (20,22) fluidly connected to one another, wherein at least the first motor (20) is a variable displacement motor, and the first motor (20) is connected to an output of the first speed-up gear arrangement (12). A second speed-up gear arrangement (34) has an input connected to the second motor (22). At least one flywheel (52) is connected to an output of the second speed-up gear arrangement (34), where the at least one flywheel is located in a vacuum within at least one flywheel chamber (58).

A device that converts linear motion into electricity using the exiting movement of a system or equipment such as electric vehicles, motorcycle, or similar equipment. This device can replace the shock absorber of an existing electric vehicle generating electricity that can be used to charge the batteries extending the range of the vehicle. The device is simple an efficient and it comprises of a screw, a plurality of gears used to amplify rotation, a rotor that has magnets, and a stator that allows the coils to produce electricity.

A device that converts linear motion into electricity using the exiting movement of a system or equipment such as electric vehicles, motorcycle, or similar equipment. This device can replace the shock absorber of an existing electric vehicle generating electricity that can be used to charge the batteries extending the range of the vehicle. The device is simple an efficient and it comprises of a screw, a plurality of gears used to amplify rotation, a rotor that has magnets, and a stator that allows the coils to produce electricity.

A tool for intervention on the wall of a fluid pipe, comprising a duct segment through which the fluid is intended to flow when the tool is in the pipe, and at least first and second modules for creating seals between the wall of the pipe and the duct segment, to isolate the fluid circulating in an outer part of a section of the pipe, between the first and second seal creation modules.

The tool includes motorized rollers for moving the tool in the pipe and a module for determining the location of the tool in the pipe.

A method for a light electric vehicle that supports a weight of a user that includes the steps of supplying a support surface to support the weight of a user; supplying a motor controller containing a processor to control operation of an electric motor mounted i) on the support surface, or ii) proximal to the support surface, where the motor controller and its processor are electrically connected to the rechargeable electric battery, where the electric motor is electrically connected to the motor controller and the rechargeable electric battery, as well as connected to a drive mechanism to drive one or more wheels; and supplying a mode selector to set a first riding-experience mode for the light electric vehicle, wherein the first riding-experience mode has a first acceleration maximum and a second riding experience mode has a second acceleration maximum.

A method for a light electric vehicle that supports a weight of a user that includes the steps of supplying a support surface to support the weight of a user; supplying a motor controller containing a processor to control operation of an electric motor mounted i) on the support surface, or ii) proximal to the support surface, where the motor controller and its processor are electrically connected to the rechargeable electric battery, where the electric motor is electrically connected to the motor controller and the rechargeable electric battery, as well as connected to a drive mechanism to drive one or more wheels; and supplying a mode selector to set a first riding-experience mode for the light electric vehicle, wherein the first riding-experience mode has a first acceleration maximum and a second riding experience mode has a second acceleration maximum.

A rotatable LIDAR device including contactless electrical couplings is disclosed. An example rotatable LIDAR device includes a vehicle electrical coupling including (i) a first conductive ring, (ii) a second conductive ring, and (iii) a first coil. The example rotatable LIDAR device further includes a LIDAR electrical coupling including (i) a third conductive ring, (ii) a fourth conductive ring, and (iii) a second coil. The example rotatable LIDAR device still further includes a rotatable LIDAR electrically coupled to the LIDAR electrical coupling. The first conductive ring and the third conductive ring form a first capacitor configured to transmit communications to the rotatable LIDAR, the second conductive ring and the fourth conductive ring form a second capacitor configured to transmit communications from the rotatable LIDAR, and the first coil and the second coil form a transformer configured to provide power to the rotatable LIDAR.

A rotatable LIDAR device including contactless electrical couplings is disclosed. An example rotatable LIDAR device includes a vehicle electrical coupling including (i) a first conductive ring, (ii) a second conductive ring, and (iii) a first coil. The example rotatable LIDAR device further includes a LIDAR electrical coupling including (i) a third conductive ring, (ii) a fourth conductive ring, and (iii) a second coil. The example rotatable LIDAR device still further includes a rotatable LIDAR electrically coupled to the LIDAR electrical coupling. The first conductive ring and the third conductive ring form a first capacitor configured to transmit communications to the rotatable LIDAR, the second conductive ring and the fourth conductive ring form a second capacitor configured to transmit communications from the rotatable LIDAR, and the first coil and the second coil form a transformer configured to provide power to the rotatable LIDAR.

A railway-vehicles scalable tractive power system, integrated into all-wheel steering and braking systems to leverage synergies between plurality of differently designed electric traction-motors, electric steering motors and electric brake calipers; configured with plurality of sensors to eliminate wheel-dragging at virtually 100% dynamic efficiency. A fully automated electronic clutch-system attached to selected electric traction motors configured to perform above 90% traction efficiency by coupling to wheels selected electric traction-motors in their high efficiency range of operation, or de-coupling and replacing electric traction-motors with another electric traction-motors while the vehicle is changing speed or when it requires higher or lower tractive-power, from forward-motion start to top-rated speed. A holistic controller is configured with multi-objective optimization design (MOOD) procedures; measures complex variable parameters and values, finds the required trade-off among design objectives, and improves pertinence of solutions. Plurality of electronic-couplers is monitoring changing distance between wagons, whereas the controller is maintaining optimal ‘free-slack’ between wagons to prevent ‘run-in’ and ‘run-out’ scenarios with precise maneuverability between electric traction-motors actuation and electric brake-calipers actuation.