What is the scientific name of the accelerator brake clutch?

The accelerator pedal, scientific name accelerator, refers to the control device that controls the engine power (thrust). On the piston aero-engine, the throttle valve controls the opening of carburetor to control the filling amount of cylinder, thus determining the output power of the engine. On the gas turbine engine, the throttle valve controls the fuel flow measured by the fuel regulator, thus determining the thrust generated by the engine. The position of the throttle is controlled by the driver operating the throttle lever in the cockpit, and it is transmitted to the carburetor or fuel regulator on the engine through control system components such as pull rod, rocker arm, torsion tube, steel cable, pulley and sector wheel. On an airplane, the throttle lever is always pushed forward to increase the power (thrust) and pulled back to decrease the power (thrust).

Braking, the scientific name of service braking, is the action of instructing locomotives, vehicles and other vehicles or machinery to stop or slow down in operation. The general principle of braking is that a wheel or disc is fixed on the high-speed shaft of the machine, and the corresponding brake shoe, belt or disc is installed on the base to generate braking torque under the action of external force. Braking device is a mechanical braking device that can slow down the vehicle speed, also known as reducer. Simply put, the brake pedal of a car is under the steering wheel. When you step on the brake pedal, the brake lever is pressed down, and the brake pad transmitted to the brake drum blocks the brake disc, so that the car slows down or stops running. The manual brake of the car is next to the gear and connected with the brake lever.

Clutch is a necessary assembly device for separating and combining mechanical power output with walking or kinetic energy transmission. Located in the flywheel housing between the engine and the gearbox, the driving part and the driven part of the clutch either adopt liquid as the transmission medium (hydraulic coupling) or adopt magnetic transmission (electromagnetic clutch). Torque is transmitted by friction between contact surfaces, so that the two parts are temporarily separated and gradually meshed, and the two parts are allowed to rotate with each other during transmission.

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