Mechanical fuel pump definition of Mechanical fuel pump in the Free Online Encyclopedia.

fuel pump [′fyül ‚pəmp]

(mechanical engineering)

A pump for drawing fuel from a storage tank and delivering it to an engine or furnace.

Fuel pump

A mechanical or electrical pump for drawing fuel from a storage tank and forcing it to an engine or furnace. The type of pump chosen for a given fuel depends to a great extent on the volatility of the liquid to be pumped. In a gasoline engine the fuel is highly volatile at ambient temperature. Therefore, the fuel line is completely sealed from the tank to the carburetor or fuel-injection system to prevent escape of fuel and to enable the pump to purge the line of vapor in the event of vapor lock—a condition in which the fuel vaporizes owing to abnormally high ambient temperature. See Carburetor, Fuel injection, Fuel system

Most carbureted gasoline engines use a spring-loaded diaphragm-type mechanical pump which is normally actuated by a rocker arm or pushrod that rides on an eccentric on the engine camshaft. Electric motor&hyphen;driven and solenoid-operated diaphragm pumps and plunger pumps are also available that can be mounted near the main fuel tank to minimize vapor lock in the fuel lines. Many gasoline-engine vehicles have a submersible electric fuel pump, which serves as the main supply pump, located in the fuel tank. In some fuel-injection systems, the in-tank pump is used as the supply pump for a high-pressure fuel-injection pump. The in-tank pump may be of the gear, plunger, sliding-vane, or impeller type.

Diesel engines normally use a gear, plunger, or vane-type pump to supply fuel to the injection pump. In the diesel engine, where fuel is injected at high pressure through an injection nozzle into the highly compressed air in the combustion chamber, a plunger or piston serves as its own inlet valve and as the compression member of the injection pump. When the required high pressure is reached in the injection nozzle, a spring-biased needle valve opens and fuel sprays into the combustion chamber. In an oil-fired furnace, although nozzle pressures need not be so high as in diesel engines, a piston pump is also used to provide positive shutoff of the fuel line when the pump stops. See Diesel engine

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No references found	The major product segments analyzed are Mechanical Fuel Pumps, and Electrical Fuel Pumps. The Worldwide Market for Mechanical and Electrical Fuel Pumps by Business Wire The major product segments analyzed are Mechanical Fuel Pumps and Electrical Fuel Pumps. Mechanical Fuel Pumps Moving Towards Extinction - Automotive Fuel ... by Business Wire North American Fuel Pump Aftermarket is part of the Automotive Aftermarket subscription, and is an invaluable resource offering detailed analysis of both the electric and mechanical fuel pump segments, including the industry's competitive structure and distribution channels. Challenges in Fuel Pump Aftermarket Requires Collaboration Among ... by Business Wire	mechanical bond mechanical classification mechanical classifier Mechanical Comparator mechanical computer mechanical connection mechanical core mechanical damping mechanical dewaxing mechanical dialer mechanical differential analyzer mechanical draft mechanical drawing mechanical dysmenorrhea mechanical efficiency mechanical energy mechanical engineering mechanical equation of state mechanical equipment room Mechanical Equivalent of Heat Mechanical Equivalent of Light mechanical erosion mechanical expression mechanical filter mechanical flotation cell Mechanical fuel pump mechanical gripper mechanical hygrometer mechanical hysteresis mechanical impedance mechanical instability mechanical integrator mechanical jamming mechanical joint mechanical keyboard mechanical lift dock mechanical linkage mechanical loader mechanical mass mechanical metallurgy mechanical modulator mechanical mouse mechanical mucking mechanical mule Mechanical Musical Instruments mechanical ohm mechanical oil valve mechanical operator mechanical oscillograph mechanical patent Mechanical Piano	Mechanical Equipment Manufacturers Representatives Association Mechanical Equipment Operator Mechanical Equipment Room Mechanical Equipment Room Mechanical equivalent of heat Mechanical equivalent of heat mechanical equivalent of light mechanical erosion Mechanical Evaluation Surface Support Area Mechanical Event Simulator mechanical expression Mechanical Extract Ventilation mechanical extraction mechanical factors bone changes mechanical factors bone changes mechanical factors bone changes Mechanical Failure Prevention Technology Mechanical Failures Prevention Group Mechanical filter Mechanical Fingerprint mechanical flotation cell Mechanical Flow Diagram Mechanical Forensics Engineering Services, LLC mechanical fragility mechanical fragility mechanical fragility mechanical fragility Mechanical Front Wheel Drive Mechanical Front-wheel Drive Mechanical fuel injection Mechanical fuel pump mechanical gas admission valve mechanical gripper Mechanical Ground Support Equipment Mechanical Ground Support System Mechanical hackamore Mechanical hackamore Mechanical Handling Engineers Association Mechanical heart Mechanical heart Mechanical heart Mechanical Heart Valve Replacement Mechanical heart valves mechanical heart-lung Mechanical Heat Recovery and Ventilation Mechanical Hound Mechanical Hydraulic Control Mechanical Hydrotest mechanical hygrometer mechanical hysteresis mechanical ileus mechanical ileus mechanical ileus Mechanical Impact Wrench Mechanical impedance Mechanical Impedance Measuring Device Mechanical Industrial and Technical Calculations Mechanical Industry Research Laboratories mechanical infertility mechanical infusion pump

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References in periodicals archive

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No references found

The major product segments analyzed are Mechanical Fuel Pumps, and Electrical Fuel Pumps.

The Worldwide Market for Mechanical and Electrical Fuel Pumps by Business Wire

The major product segments analyzed are Mechanical Fuel Pumps and Electrical Fuel Pumps.

Mechanical Fuel Pumps Moving Towards Extinction - Automotive Fuel ... by Business Wire

North American Fuel Pump Aftermarket is part of the Automotive Aftermarket subscription, and is an invaluable resource offering detailed analysis of both the electric and mechanical fuel pump segments, including the industry's competitive structure and distribution channels.

Challenges in Fuel Pump Aftermarket Requires Collaboration Among ... by Business Wire

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mechanical classification

mechanical classifier

Mechanical Comparator

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mechanical differential analyzer