Bore (engine)

From Wikipedia, the free encyclopedia

Jump to: navigation, search

This article does not cite any references or sources. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. (February 2007)

Bore is the diameter measurement of the cylinders in a piston engine.

Engine displacement is calculated by:

$\mbox{displacement} = {\pi\over 4} \times \mbox{bore}^2 \times \mbox{stroke} \times \mbox{number of cylinders}$

The term "bore" can also be applied to the bore of a locomotive cylinder.

[edit] See also

v d e Heat engines

Carnot engine · Fluidyne · Gas turbine · Hot air · Jet · Photo-Carnot engine · Piston · Pistonless (Rotary) · Rijke tube · Rocket · Split-single · Steam (reciprocating) · Steam turbine · Stirling · Thermoacoustic

Beale number · West number

Timeline of heat engine technology

Thermodynamic cycle

v d e Aircraft piston engine components, systems and terminology

Piston engines	Mechanical components Camshaft · Connecting rod · Crankpin · Crankshaft · Cylinder · Cylinder head · Gudgeon pin · Hydraulic tappet · Main bearing · Obturator ring · Oil pump · Piston · Piston ring · Poppet valve · Pushrod · Rocker arm · Sleeve valve · Tappet Electrical components Alternator · Capacitor discharge ignition · Dual ignition · Generator · Electronic fuel injection · Ignition system · Magneto · Spark plug · Starter motor Terminology Air-cooled · Bore · Compression ratio · Dead centre · Engine displacement · Four-stroke engine · Horsepower · Ignition timing · Manifold pressure · Mean effective pressure · Naturally-aspirated · Monosoupape · Overhead camshaft · Overhead valve · Rotary engine · Shock-cooling · Stroke · Time between overhaul · Two-stroke engine · Valve timing · Volumetric efficiency

Propellers	Components Propeller speed reduction unit · Propeller governor · Spinner Terminology Autofeather · Blade pitch · Contra-rotating · Constant speed · Counter-rotating · Scimitar propeller · Single-blade propeller · Variable pitch

Engine instruments	Tachometer · Hobbs meter · Annunciator panel · EFIS · EICAS · Flight data recorder · Glass cockpit

Engine controls	Carburetor heat · Throttle

Fuel and induction system	Avgas · Carburetor · Fuel injection · Gascolator · Inlet manifold · Intercooler · Pressure carburetor · Supercharger · Turbocharger

Other systems	Auxiliary power unit · Coffman starter · Hydraulic system · Ice protection system · Recoil start

v d e Automotive engine

Part of the Automobile series

Basic terminology	Bore · Compression ratio · Crank · Cylinder · Dead centre · Diesel engine · Dry sump · Engine balance · Engine configuration · Engine displacement · Engine knocking · Firing order · Hydrolock · Petrol engine · Power band · Redline · Spark-ignition engine · Stroke · Stroke ratio · Wet sump

Main components	Connecting rod · Crankcase · Crankpin · Crankshaft · Crossflow cylinder head · Crossplane · Cylinder bank · Cylinder block · Cylinder head · Flywheel · Head gasket · Hypereutectic piston · Main bearing · Piston · Piston ring · Reverse-flow cylinder head · Starter ring gear · Sump

Valvetrain	Cam · Cam follower · Camshaft · Desmodromic valve · Hydraulic tappet · Multi-valve · Overhead camshaft · Overhead valve · Pneumatic valve springs · Poppet valve · Pushrod · Rocker arm · Sleeve valve · Tappet · Timing belt · Timing mark · Valve float · Variable valve timing

Aspiration	Air filter · Blowoff valve · Boost controller · Butterfly valve · Centrifugal type supercharger · Cold air intake · Dump valve · Electronic throttle control · Forced induction · Inlet manifold · Intake · Intercooler · Manifold vacuum · Naturally-aspirated engine · Ram-air intake · Scroll-type supercharger · Short ram air intake · Supercharger · Throttle · Throttle body · Turbocharger · Twin-turbo · Variable geometry turbocharger · Variable length intake manifold · Warm air intake

Fuel system	Carburetor · Common rail · Direct injection · Fuel filter · Fuel injection · Fuel pump · Fuel tank · Gasoline direct injection · Indirect injection · Injection pump · Lean burn · Unit Injector

Electrics, ignition and engine management	Air-fuel ratio meter · Alternator · Automatic Performance Control · Car battery · Contact breaker · Crankshaft position sensor · Distributor · Dynamo · Drive by wire · Electrical ballast · Electronic control unit · Engine control unit · Engine coolant temperature sensor · Glow plug · High tension leads · Idle air control actuator · Ignition coil · Lead–acid battery · Magneto · MAP sensor · Mass flow sensor · Oxygen sensor · Spark plug · Starter motor · Throttle position sensor

Exhaust system	Automobile emissions control · Catalytic converter · Diesel particulate filter · Exhaust manifold · Glasspack · Muffler

Engine cooling	Air cooling · Antifreeze · Core plug · Electric fan · Ethylene glycol · Fan belt · Radiator · Thermostat · Water cooling · Viscous fan

Other components	Balance shaft · Block heater · Combustion chamber · Cylinder head porting · Gasket · Motor oil · Oil filter · Oil pump · Oil sludge · PCV valve · Seal · Synthetic oil · Underdrive pulleys

Portal · Category

This article about an automotive technology is a stub. You can help Wikipedia by expanding it.

Retrieved from "http://en.wikipedia.org/w/index.php?title=Bore_(engine)&oldid=463776602"

Categories:

Hidden categories:

Bore (engine)

[edit] See also

Personal tools

Namespaces

Variants

Views

Actions

Search

Navigation

Interaction

Toolbox

Print/export

Languages