To provide a brake device and an electric brake system that appropriately brakes a rotary body of a human powered vehicle in various situations, a brake device is applicable to a human powered vehicle and includes an electric actuator operated by electric power from a power supply, a braking portion driven by the electric actuator to brake a rotary body of the human powered vehicle, and a power storage provided separately from the power supply to supply electric power to the electric actuator.

A brake lever, including a protective casing, a fixing assembly cooperatively fixing the protective casing, a connecting member for connecting a hand brake cable, and a hand brake assembly; the hand brake assembly includes a main arm with one end rotatably connected to the protective casing, and the other end rotatably connected to a handle; the main arm is driven to rotate by applying a force to the handle, the connecting member is driven by a transmission member to move in the direction of tightening the hand brake cable when the main arm rotates; the handle is provided with an auxiliary supporting arm, and two ends of the auxiliary supporting arm are rotatably connected to the protective casing and the handle.

Example brake systems and apparatus for providing pitch control on bicycles are described herein. An example rear brake caliper described herein includes a caliper housing to be coupled to the bicycle. The caliper housing includes a first port to be fluidly coupled to a first fluid line fluidly coupled to a front brake actuator and a second port to be fluidly coupled to a second fluid line fluidly coupled to a front brake caliper. The rear brake caliper also includes a valve between the first port and the second port. The valve is operable to affect fluid flow between the first port and the second port.

A powered mobility vehicle including a keyless activation system, wherein the keyless activation system includes a control module carried by the vehicle and a remote operation transmitter, wherein the control module includes an electrical input which is connected to the electrical power supply of the vehicle, an electrical output connected to a motor controller of the vehicle, a switch electrically connected between the electrical input and the electrical output, and a signal receiver electrically connected to the switch, wherein the switch has an active configuration in which electrical power is supplied to the electrical output from the electrical input via the switch and an inactive configuration in which the switch electrically isolates the electrical output from the electrical input, and the configuration of the switch is controlled by signals from the signal receiver; and wherein the transmitter communicates wirelessly with the signal receiver.

A powered mobility vehicle including a keyless activation system, wherein the keyless activation system includes a control module carried by the vehicle and a remote operation transmitter, wherein the control module includes an electrical input which is connected to the electrical power supply of the vehicle, an electrical output connected to a motor controller of the vehicle, a switch electrically connected between the electrical input and the electrical output, and a signal receiver electrically connected to the switch, wherein the switch has an active configuration in which electrical power is supplied to the electrical output from the electrical input via the switch and an inactive configuration in which the switch electrically isolates the electrical output from the electrical input, and the configuration of the switch is controlled by signals from the signal receiver; and wherein the transmitter communicates wirelessly with the signal receiver.

A tactical transport cart manually navigable over both topographic and hydrographic terrains has a frame, a payload support on the frame, a hard point of attachment or connection on the frame or the payload support, a pair of wheels or other terrain-engaging transport propulsion members attached to the frame, a handle structure attached to the frame, at least one motor connected in driving relation to the transport propulsion members, a battery for providing motive power to the motor, and a control device connected between the battery and the motor for controlling supply of motive power to the motor. The frame, transport propulsion members and handle structure are cooperatively dimensioned and configured for movement of the cart over ground surfaces of topographic terrains and for partially and fully submerged movement over water-covered surfaces of hydrographic terrains.

The present disclosure relates to a working machine, comprising an electric traction motor configured to apply a torque on at least one wheel of the working machine during propulsion, an electric power system electrically connected to the electric traction motor; the electric power system being configured, during propulsion, to supply electric power to the electric traction motor, an emergency stop actuator arranged on an exterior surface of the working machine, the emergency stop actuator being electrically connected to the electric power system, wherein the electric power system is configured to cut off the electric power supply to the electric traction motor upon actuation of the emergency stop actuator, and a frame structure connected to the working machine, the frame structure comprising an abutment surface, wherein the frame structure is operatively arranged to move from a first position in which the abutment surface is arranged at a distance from the emergency stop actuator, to a second position in which the abutment surface is in abutment with the emergency stop actuator to thereby actuate the emergency stop actuator.

A recreational vehicle braking system having a tether system, a controller system, and a brake. The controller system activates a slowdown timer upon removal of the tether system from the vehicle and then activates a stop timer upon expiration of the slowdown timer.

A locomotive, a first chopper circuit, and a second chopper circuit integrating a traction motor with an energy storage device are disclosed. The locomotive includes a prime mover, an energy management device, a DC power bus, a traction motor, an energy storage device, a resistor grid, and a chopper circuit. Each chopper circuit is controlled by the energy management device and includes a plurality of power semiconductors with variable switching frequency. The traction motor may be capable of operating in a motoring mode, where power is controllably supplied by either the prime mover and/or the energy storage device; and a dynamic braking mode, where generated power is controllably allocated to the energy storage device and/or the resistor grid.

A ride-on vehicle is provided that has a speed controlled switching system. The ride-on vehicle has a vehicle body having a driver's seat, a plurality of wheels, a motor, a battery electrically connected to the motor, a direction switch assembly electrically connected between the battery and the motor, and a speed switch electrically connected between the direction switch assembly and the motor. The direction switch assembly has a forward button and a reverse button, and is proximal the driver's seat in the vehicle body. The speed switch has a high speed setting and a low speed setting and is distal the driver's seat and generally not accessible by a rider seated in the driver's seat. When the reverse button is actuated the direction switch assembly causes the voltage observed by the motor to be at the low speed setting regardless of the setting of the speed switch.