Logo
Unionpedia
Communication
Get it on Google Play
New! Download Unionpedia on your Android™ device!
Install
Faster access than browser!
 

Four-stroke engine

Index Four-stroke engine

A four-stroke (also four-cycle) engine is an internal combustion (IC) engine in which the piston completes four separate strokes while turning the crankshaft. [1]

77 relations: Adiabatic process, Air flow bench, Atkinson cycle, Étienne Lenoir, Cam, Camshaft, Catalytic converter, Coal gas, Compression ratio, Connecting rod, Corporate average fuel economy, Crankcase, Crankshaft, Cylinder head, Cylinder head porting, Daimler Motoren Gesellschaft, Daimler Reitwagen, Daimler-Benz, Dead centre (engineering), Desmodromic valve, Deutz AG, Deutz, Cologne, Diesel engine, Engine control unit, Eugen Langen, Exhaust gas recirculation, Expansion ratio, Flathead engine, Fuel economy in automobiles, Fuel efficiency, Glowplug, Gottlieb Daimler, History of the internal combustion engine, Hydraulic tappet, Internal combustion engine, Isobaric process, Isochoric process, James Atkinson (inventor), Karl Benz, Lean-burn, Lubrication, Miller cycle, Napier Deltic, Nikolaus Otto, Numerical control, Overhead camshaft, Overhead valve engine, Philippe LeBon, Piston, Piston ring, ..., Pistonless rotary engine, Poppet valve, Power density, Radial engine, Revolutions per minute, Rocker arm, Rudolf Diesel, Six-stroke engine, Smog, Spark plug, Stirling engine, Stroke (engine), Stroke ratio, Supercharger, Tappet, Thermal efficiency, Thermodynamics, Turbine, Turbocharger, Turbosteamer, Two-stroke engine, Valve float, Valve seat, Vehicle emissions control, Volumetric efficiency, Waste heat recovery unit, Wilhelm Maybach. Expand index (27 more) »

Adiabatic process

In thermodynamics, an adiabatic process is one that occurs without transfer of heat or matter between a thermodynamic system and its surroundings.

New!!: Four-stroke engine and Adiabatic process · See more »

Air flow bench

An air flow bench is a device used for testing the internal aerodynamic qualities of an engine component and is related to the more familiar wind tunnel.

New!!: Four-stroke engine and Air flow bench · See more »

Atkinson cycle

The Atkinson-cycle engine is a type of internal combustion engine invented by James Atkinson in 1882.

New!!: Four-stroke engine and Atkinson cycle · See more »

Étienne Lenoir

Jean Joseph Étienne Lenoir also known as Jean J. Lenoir (12 January 1822 – 4 August 1900) was a Belgian engineer who developed the internal combustion engine in 1858.

New!!: Four-stroke engine and Étienne Lenoir · See more »

Cam

A cam is a rotating or sliding piece in a mechanical linkage used especially in transforming rotary motion into linear motion.

New!!: Four-stroke engine and Cam · See more »

Camshaft

A camshaft is a shaft to which a cam is fastened or of which a cam forms an integral part.

New!!: Four-stroke engine and Camshaft · See more »

Catalytic converter

A catalytic converter is an exhaust emission control device that converts toxic gases and pollutants in exhaust gas from an internal combustion engine into less-toxic pollutants by catalyzing a redox reaction (an oxidation and a reduction reaction).

New!!: Four-stroke engine and Catalytic converter · See more »

Coal gas

Coal gas is a flammable gaseous fuel made from coal and supplied to the user via a piped distribution system.

New!!: Four-stroke engine and Coal gas · See more »

Compression ratio

The static compression ratio of an internal combustion engine or external combustion engine is a value that represents the ratio of the volume of its combustion chamber from its largest capacity to its smallest capacity.

New!!: Four-stroke engine and Compression ratio · See more »

Connecting rod

A connecting rod is a shaft which connects a piston to a crank or crankshaft in a reciprocating engine.

New!!: Four-stroke engine and Connecting rod · See more »

Corporate average fuel economy

The Corporate Average Fuel Economy (CAFE) standards are regulations in the United States, first enacted by the United States Congress in 1975, after the 1973–74 Arab Oil Embargo, to improve the average fuel economy of cars and light trucks (trucks, vans and sport utility vehicles) produced for sale in the United States.

New!!: Four-stroke engine and Corporate average fuel economy · See more »

Crankcase

A crankcase is the housing for the crankshaft in a reciprocating internal combustion engine.

New!!: Four-stroke engine and Crankcase · See more »

Crankshaft

A crankshaft—related to crank—is a mechanical part able to perform a conversion between reciprocating motion and rotational motion.

New!!: Four-stroke engine and Crankshaft · See more »

Cylinder head

In an internal combustion engine, the cylinder head (often informally abbreviated to just head) sits above the cylinders on top of the cylinder block.

New!!: Four-stroke engine and Cylinder head · See more »

Cylinder head porting

Cylinder head porting refers to the process of modifying the intake and exhaust ports of an internal combustion engine to improve the quality and quantity of the air flow.

New!!: Four-stroke engine and Cylinder head porting · See more »

Daimler Motoren Gesellschaft

Daimler Motoren Gesellschaft (DMG) (Daimler Motors Corporation) was a German engineer and later automobile manufacturer, in operation from 1890 until 1926.

New!!: Four-stroke engine and Daimler Motoren Gesellschaft · See more »

Daimler Reitwagen

The Daimler Petroleum Reitwagen ("riding car") or Einspur ("single track") was a motor vehicle made by Gottlieb Daimler and Wilhelm Maybach in 1885.

New!!: Four-stroke engine and Daimler Reitwagen · See more »

Daimler-Benz

Daimler-Benz AG was a German manufacturer of motor vehicles and internal combustion engines, which was founded in 1926.

New!!: Four-stroke engine and Daimler-Benz · See more »

Dead centre (engineering)

In a reciprocating engine, the dead centre is the position of a piston in which it is farthest from, or nearest to, the crankshaft.

New!!: Four-stroke engine and Dead centre (engineering) · See more »

Desmodromic valve

A desmodromic valve is a reciprocating engine poppet valve that is positively closed by a cam and leverage system, rather than by a more conventional spring.

New!!: Four-stroke engine and Desmodromic valve · See more »

Deutz AG

Deutz AG is an internal combustion engine manufacturer, based in Porz, Cologne, Germany.

New!!: Four-stroke engine and Deutz AG · See more »

Deutz, Cologne

Cologne-Deutz, often just Deutz is an inner city part of Cologne, Germany and a formerly independent town.

New!!: Four-stroke engine and Deutz, Cologne · See more »

Diesel engine

The diesel engine (also known as a compression-ignition or CI engine), named after Rudolf Diesel, is an internal combustion engine in which ignition of the fuel which is injected into the combustion chamber is caused by the elevated temperature of the air in the cylinder due to mechanical compression (adiabatic compression).

New!!: Four-stroke engine and Diesel engine · See more »

Engine control unit

An engine control unit (ECU), also commonly called an engine control module (ECM), is a type of electronic control unit that controls a series of actuators on an internal combustion engine to ensure optimal engine performance.

New!!: Four-stroke engine and Engine control unit · See more »

Eugen Langen

Carl Eugen Langen (9 October 1833 – 2 October 1895) was a German entrepreneur, engineer and inventor, involved in the development of the petrol engine and the Wuppertal Suspension Railway.

New!!: Four-stroke engine and Eugen Langen · See more »

Exhaust gas recirculation

In internal combustion engines, exhaust gas recirculation (EGR) is a nitrogen oxide (NOx) emissions reduction technique used in petrol/gasoline and diesel engines.

New!!: Four-stroke engine and Exhaust gas recirculation · See more »

Expansion ratio

The expansion ratio of a liquefied and cryogenic substance is the volume of a given amount of that substance in liquid form compared to the volume of the same amount of substance in gaseous form, at room temperature and normal atmospheric pressure.

New!!: Four-stroke engine and Expansion ratio · See more »

Flathead engine

A flathead engine, otherwise sidevalve engine,American Rodder, 6/94, pp.45 & 93.

New!!: Four-stroke engine and Flathead engine · See more »

Fuel economy in automobiles

The fuel economy of an automobile is the relationship between the distance traveled and the amount of fuel consumed by the vehicle.

New!!: Four-stroke engine and Fuel economy in automobiles · See more »

Fuel efficiency

Fuel efficiency is a form of thermal efficiency, meaning the ratio from effort to result of a process that converts chemical potential energy contained in a carrier (fuel) into kinetic energy or work.

New!!: Four-stroke engine and Fuel efficiency · See more »

Glowplug

A glowplug (alternatively spelled as glow plug or glow-plug) is a heating device used to aid starting diesel engines.

New!!: Four-stroke engine and Glowplug · See more »

Gottlieb Daimler

Gottlieb Wilhelm Daimler (17 March 1834 – 6 March 1900) was an engineer, industrial designer and industrialist born in Schorndorf (Kingdom of Württemberg, a federal state of the German Confederation), in what is now Germany.

New!!: Four-stroke engine and Gottlieb Daimler · See more »

History of the internal combustion engine

Various scientists and engineers contributed to the development of internal combustion engines.

New!!: Four-stroke engine and History of the internal combustion engine · See more »

Hydraulic tappet

A hydraulic valve lifter, also known as a hydraulic tappet or a hydraulic lash adjuster, is a device for maintaining zero valve clearance in an internal combustion engine.

New!!: Four-stroke engine and Hydraulic tappet · See more »

Internal combustion engine

An internal combustion engine (ICE) is a heat engine where the combustion of a fuel occurs with an oxidizer (usually air) in a combustion chamber that is an integral part of the working fluid flow circuit.

New!!: Four-stroke engine and Internal combustion engine · See more »

Isobaric process

An isobaric process is a thermodynamic process in which the pressure stays constant: ΔP.

New!!: Four-stroke engine and Isobaric process · See more »

Isochoric process

An isochoric process, also called a constant-volume process, an isovolumetric process, or an isometric process, is a thermodynamic process during which the volume of the closed system undergoing such a process remains constant.

New!!: Four-stroke engine and Isochoric process · See more »

James Atkinson (inventor)

James Atkinson (1846–1914) of Hampstead was a British engineer who invented several engines with greater efficiency than the Otto cycle.

New!!: Four-stroke engine and James Atkinson (inventor) · See more »

Karl Benz

Karl Friedrich Benz (25 November 1844 – 4 April 1929) was a German engine designer and automobile engineer.

New!!: Four-stroke engine and Karl Benz · See more »

Lean-burn

Lean-burn refers to the burning of fuel with an excess of air in an internal combustion engine.

New!!: Four-stroke engine and Lean-burn · See more »

Lubrication

Lubrication is the process or technique of using a lubricant to reduce friction and/or wear in a contact between two surfaces.

New!!: Four-stroke engine and Lubrication · See more »

Miller cycle

In engineering, the Miller cycle is a thermodynamic cycle used in a type of internal combustion engine.

New!!: Four-stroke engine and Miller cycle · See more »

Napier Deltic

The Napier Deltic engine is a British opposed-piston valveless, supercharged uniflow scavenged, two-stroke Diesel engine used in marine and locomotive applications, designed and produced by D. Napier & Son.

New!!: Four-stroke engine and Napier Deltic · See more »

Nikolaus Otto

Nikolaus August Otto (14 June 1832, Holzhausen an der Haide, Nassau – 26 January 1891, Cologne) was a German engineer who successfully developed the compressed charge internal combustion engine which ran on petroleum gas and led to the modern internal combustion engine.

New!!: Four-stroke engine and Nikolaus Otto · See more »

Numerical control

Computer numerical control (CNC) is the automation of machine tools by means of computers executing pre-programmed sequences of machine control commands.

New!!: Four-stroke engine and Numerical control · See more »

Overhead camshaft

Overhead camshaft, commonly abbreviated to OHC, is a valvetrain configuration which places the camshaft of an internal combustion engine of the reciprocating type within the cylinder heads ("above" the pistons and combustion chambers) and drives the valves or lifters in a more direct manner compared with overhead valves (OHV) and pushrods.

New!!: Four-stroke engine and Overhead camshaft · See more »

Overhead valve engine

An overhead valve engine (OHV engine), or "pushrod engine", is a reciprocating piston engine whose poppet valves are sited in the cylinder head.

New!!: Four-stroke engine and Overhead valve engine · See more »

Philippe LeBon

Philippe le Bon (or Lebon) (D'Humbersin) (May 29, 1767 – December 1, 1804) was a French engineer, born in Brachay, France.

New!!: Four-stroke engine and Philippe LeBon · See more »

Piston

A piston is a component of reciprocating engines, reciprocating pumps, gas compressors and pneumatic cylinders, among other similar mechanisms.

New!!: Four-stroke engine and Piston · See more »

Piston ring

A piston ring is a split ring that fits into a groove on the outer diameter of a piston in a reciprocating engine such as an internal combustion engine or steam engine.

New!!: Four-stroke engine and Piston ring · See more »

Pistonless rotary engine

A pistonless rotary engine is an internal combustion engine that does not use pistons in the way a reciprocating engine does, but instead uses one or more rotors, sometimes called rotary pistons.

New!!: Four-stroke engine and Pistonless rotary engine · See more »

Poppet valve

A poppet valve (also called mushroom valve) is a valve typically used to control the timing and quantity of gas or vapour flow into an engine.

New!!: Four-stroke engine and Poppet valve · See more »

Power density

Power density (or volume power density or volume specific power) is the amount of power (time rate of energy transfer) per unit volume.

New!!: Four-stroke engine and Power density · See more »

Radial engine

The radial engine is a reciprocating type internal combustion engine configuration in which the cylinders "radiate" outward from a central crankcase like the spokes of a wheel.

New!!: Four-stroke engine and Radial engine · See more »

Revolutions per minute

Revolutions per minute (abbreviated rpm, RPM, rev/min, r/min) is the number of turns in one minute.

New!!: Four-stroke engine and Revolutions per minute · See more »

Rocker arm

A rocker arm (in the context of an internal combustion engine of automotive, marine, motorcycle and reciprocating aviation types) is an oscillating lever that conveys radial movement from the cam lobe into linear movement at the poppet valve to open it.

New!!: Four-stroke engine and Rocker arm · See more »

Rudolf Diesel

Rudolf Christian Karl Diesel (18 March 185829 September 1913) was a German inventor and mechanical engineer, famous for the invention of the diesel engine, and for his mysterious death.

New!!: Four-stroke engine and Rudolf Diesel · See more »

Six-stroke engine

The term six-stroke engine has been applied to a number of alternative internal combustion engine designs that attempt to improve on traditional two-stroke and four-stroke engines.

New!!: Four-stroke engine and Six-stroke engine · See more »

Smog

Smog is a type of air pollutant.

New!!: Four-stroke engine and Smog · See more »

Spark plug

A spark plug (sometimes, in British English, a sparking plug, and, colloquially, a plug) is a device for delivering electric current from an ignition system to the combustion chamber of a spark-ignition engine to ignite the compressed fuel/air mixture by an electric spark, while containing combustion pressure within the engine.

New!!: Four-stroke engine and Spark plug · See more »

Stirling engine

A Stirling engine is a heat engine that operates by cyclic compression and expansion of air or other gas (the working fluid) at different temperatures, such that there is a net conversion of heat energy to mechanical work.

New!!: Four-stroke engine and Stirling engine · See more »

Stroke (engine)

In the context of an Internal combustion engine, the term stroke has the following related meanings.

New!!: Four-stroke engine and Stroke (engine) · See more »

Stroke ratio

In a reciprocating piston engine, the stroke ratio, defined by either bore/stroke ratio or stroke/bore ratio, is a term to describe the ratio between cylinder bore diameter and piston stroke.

New!!: Four-stroke engine and Stroke ratio · See more »

Supercharger

A supercharger is an air compressor that increases the pressure or density of air supplied to an internal combustion engine.

New!!: Four-stroke engine and Supercharger · See more »

Tappet

A tappet is a projection that imparts a linear motion to some other component within a mechanism.

New!!: Four-stroke engine and Tappet · See more »

Thermal efficiency

In thermodynamics, the thermal efficiency (\eta_ \) is a dimensionless performance measure of a device that uses thermal energy, such as an internal combustion engine, a steam turbine or a steam engine, a boiler, furnace, or a refrigerator for example.

New!!: Four-stroke engine and Thermal efficiency · See more »

Thermodynamics

Thermodynamics is the branch of physics concerned with heat and temperature and their relation to energy and work.

New!!: Four-stroke engine and Thermodynamics · See more »

Turbine

A turbine (from the Latin turbo, a vortex, related to the Greek τύρβη, tyrbē, meaning "turbulence") is a rotary mechanical device that extracts energy from a fluid flow and converts it into useful work.

New!!: Four-stroke engine and Turbine · See more »

Turbocharger

A turbocharger, or colloquially turbo, is a turbine-driven forced induction device that increases an internal combustion engine's efficiency and power output by forcing extra air into the combustion chamber.

New!!: Four-stroke engine and Turbocharger · See more »

Turbosteamer

A turbosteamer is a term used by BMW to describe a combined cycle engine.

New!!: Four-stroke engine and Turbosteamer · See more »

Two-stroke engine

A two-stroke (or two-cycle) engine is a type of internal combustion engine which completes a power cycle with two strokes (up and down movements) of the piston during only one crankshaft revolution.

New!!: Four-stroke engine and Two-stroke engine · See more »

Valve float

Valve float is an adverse condition which can occur at high engine speeds when the poppet valves in an internal combustion engine valvetrain do not properly follow the closure phase of the cam lobe profile.

New!!: Four-stroke engine and Valve float · See more »

Valve seat

The valve seat in an internal combustion gasoline or diesel engine is the surface against which an intake or an exhaust valve rests during the portion of the engine operating cycle when that valve is closed.

New!!: Four-stroke engine and Valve seat · See more »

Vehicle emissions control

Vehicle emissions control is the study of reducing the emissions produced by motor vehicles, especially internal combustion engines.

New!!: Four-stroke engine and Vehicle emissions control · See more »

Volumetric efficiency

Volumetric efficiency (VE) in internal combustion engine engineering is defined as the ratio of the mass density of the air-fuel mixture drawn into the cylinder at atmospheric pressure (during the intake stroke) to the mass density of the same volume of air in the intake manifold.

New!!: Four-stroke engine and Volumetric efficiency · See more »

Waste heat recovery unit

A waste heat recovery unit (WHRU) is an energy recovery heat exchanger that transfers heat from process outputs at high temperature to another part of the process for some purpose, usually increased efficiency.

New!!: Four-stroke engine and Waste heat recovery unit · See more »

Wilhelm Maybach

(9 February 1846 – 29 December 1929) was an early German engine designer and industrialist.

New!!: Four-stroke engine and Wilhelm Maybach · See more »

Redirects here:

4 Stroke Internal Combustion Engine, 4 cycle engine, 4 stroke, 4 stroke cycle, 4 stroke engine, 4-Stroke, 4-stroke, 4-stroke engine, Four Stroke, Four Stroke Cycle, Four Stroke Engine, Four Stroke Engine Cycle, Four cycle, Four cycle engine, Four stroke, Four stroke cycle, Four stroke diesel engine, Four stroke engine, Four-cycle, Four-cycle engine, Four-stroke, Four-stroke Diesel cycle, Four-stroke Engine, Four-stroke cycle, Four-stroke diesel engine, Four-stroke engines, Four-stroke-engine, Otto-cycle engines, Suck, squeeze, bang, blow.

References

[1] https://en.wikipedia.org/wiki/Four-stroke_engine

OutgoingIncoming
Hey! We are on Facebook now! »