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The hydraulic motor is the rotary counterpart of the hydraulic cylinder as a linear actuator. Most broadly, the category of devices called hydraulic motors has sometimes included those that run on hydropower (namely, water engines and water motors) but in today's terminology the name usually refers more specifically to motors that use hydraulic ...
Hydraulic hybrid vehicles use hydraulic motors to store energy in the form of compressed air. In a hydrogen fuel cell powered vehicle, the electrical energy generated by the motor is stored chemically in a battery, similar to battery and hybrid electric vehicles.
In a series hydraulic hybrid vehicle, the pump/motor directly connects to the driveshaft, [5] or the in-wheel motors provide driving torque directly to the wheel. The internal combustion engine is only connected to a pump, and is set to operate in its most efficient power range to maintain the optimal hydraulic pressure in the accumulator. [ 3 ]
For example, in Generation 1 and Generation 2 HSDs maximum speed is mainly limited by the speed of the smaller electric motor (often functioning as a generator). The Generation 3 HSD separates the ICE-MG1 path from the MG2 path, each with its own, tailored gear ratio (1.1:1 and 2.5:1, respectively, for late Priuses, including the Prius c).
The electric traction motor acts as a generator to charge the battery. The power stored in the battery is available to help the vehicle accelerate. Regenerative braking and eddy current braking are separate types of electric braking. Regenerative braking might not be classified as a retarder as it uses no extra physical hardware in addition to ...
A typical 12 V, 40 Ah lead-acid car battery. An automotive battery, or car battery, is a rechargeable battery that is used to start a motor vehicle.. Its main purpose is to provide an electric current to the electric-powered starting motor, which in turn starts the chemically-powered internal combustion engine that actually propels the vehicle.
SAI GM3 radial piston hydraulic motor [49] 15 kg 33 lb 15 kW 20 hp 1 kW/kg 0.61 hp/lb Denison GOLD CUP P14 axial piston hydraulic motor [50] 110 kg 250 lb 384 kW 509 hp 3.5 kW/kg 2.0 hp/lb Denison TB vane pump [51] 7 kg 15 lb 40.2 kW 53.9 hp 5.7 kW/kg 3.6 hp/lb Rexroth A2FM 16cc/rev, bent axis hydraulic motor (continuous output) 5.4 kg
The Brake Control System then checks the yaw sensor, steering wheel angle, and state of charge of the traction battery. If the speed of the vehicle is above about 7 MPH, the vehicle traction motor generator is used as a generator to convert the kinetic energy to electric power, and stores the energy in the battery. This slows the vehicle.