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单词 fuel system
释义

fuel system


Thesaurus
Noun1.fuel system - equipment in a motor vehicle or aircraft that delivers fuel to the enginethrottle, throttle valve, accelerator - a valve that regulates the supply of fuel to the engineaircraft - a vehicle that can flycarburetor, carburettor - mixes air with gasoline vapor prior to explosionchoke - a valve that controls the flow of air into the carburetor of a gasoline engineequipment - an instrumentality needed for an undertaking or to perform a servicefuel filter - a filter in the fuel line that screens out dirt and rust particles from the fuelfuel gauge, fuel indicator - an indicator of the amount of fuel remaining in a vehiclefuel line, petrol line, gas line - a pipe that carries gasoline from a tank to a gasoline engine; "the car wouldn't start because dirt clogged the gas line"gas gage, gas gauge, gasoline gage, gasoline gauge, petrol gage, petrol gauge - gauge that indicates the amount of gasoline left in the gasoline tank of a vehiclegas tank, gasoline tank, petrol tank - a tank for holding gasoline to supply a vehicleintake manifold - a manifold consisting of a pipe to carry fuel to each cylinder in an internal-combustion engineautomotive vehicle, motor vehicle - a self-propelled wheeled vehicle that does not run on railspump - a mechanical device that moves fluid or gas by pressure or suction
Translations

fuel system


fuel system

[′fyül ‚sis·təm] (mechanical engineering) A system which stores fuel for present use and delivers it as needed.

Fuel system

The system that stores fuel for present use and delivers it as needed to an engine; includes the fuel tank, fuel lines, pump, filter, vapor return lines, carburetor or injection components, and all fuel system vents and evaporative emission control systems or devices that provide fuel supply and fuel metering functions. Some early vehicles and other engines had a gravity-feed fuel system, in which fuel flowed to the engine from a tank located above it. Automotive and most other engines have a pressurized fuel system with a pump that draws or pushes fuel from the tank to the engine. See Carburetor, Fuel injection, Fuel pump

Automobile

The commonly used components for automobile and stationary gasoline engines are fuel tank, fuel gage, filter, electric or mechanical fuel pump, and carburetor or fuel-injection system. In the past, fuel metering on automotive engines was usually performed by a carburetor. However, this device has been largely replaced by fuel injection into the intake manifold or ports, which increases fuel economy and efficiency while lowering exhaust gas emissions. Various types of fuel management systems are used on automotive engines, including electronically controlled feedback carburetors, mechanical continuous fuel injection, and sequential electronic fuel injection. See Automobile

Aircraft

The presence of multiple engines and multiple tanks complicates the aircraft fuel system. Also, the reduction of pressure at altitude necessitates the regular use of boost pumps, submerged in the fuel tanks, which are usually of the centrifugal type and electrically driven. These supplement the engine-driven fuel supply pumps, which are usually of the gear or eccentric vane type. Components of a typical aircraft fuel system include one main and two auxiliary tanks with their gages; booster, transfer, and engine-driven pumps; various selector valves; and a fuel jettisoning or defuel valve and connection, which is typical also of what would be needed for either single-point ground or flight refueling (see illustration). The arrangement is usually such that all the fuel supply will pass to the engines by way of the main tank, which is refilled as necessary from the auxiliary tanks. In case of emergency, the system selector valve may connect the auxilary tanks to the engines directly. Tank vents, not shown, are arranged so that overflow will go safely overboard. See Aircraft engine

 Diagram of a typical aircraft fuel systemDiagram of a typical aircraft fuel system
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更新时间：2025/3/18 18:42:12