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Steam locomotive components

Index Steam locomotive components

This is a glossary of the components found on typical steam locomotives. [1]

46 relations: Axle, Blastpipe, Boiler, Brake shoe, Bury Bar Frame locomotive, Cab (locomotive), Chimney (locomotive), Connecting rod, Coupling rod, Cylinder (locomotive), Driving wheel, Electric generator, Equalising beam, Firebox (steam engine), Footplate, Georg Knorr, George Westinghouse, Glossary of boiler terms, Glossary of rail transport terms, Great Western Railway, Johnson Bar (locomotive), Leading wheel, Leaf spring, LMS locomotive numbering and classification, Piston, Piston rod, Piston valve (steam engine), Plain bearing, Poppet valve, Railway air brake, Railway coupling, Safety valve, Sandbox (locomotive), Slide valve, Smokebox, Snifting valve, Steam, Steam dome, Steam locomotive, Superheater, Tender (rail), Tractive force, Trailing wheel, Train whistle, Vacuum brake, Valve gear.

Axle

An axle is a central shaft for a rotating wheel or gear.

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Blastpipe

The blastpipe is part of the exhaust system of a steam locomotive that discharges exhaust steam from the cylinders into the smokebox beneath the chimney in order to increase the draught through the fire.

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Boiler

A boiler is a closed vessel in which fluid (generally water) is heated.

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Brake shoe

A brake shoe is the part of a braking system which carries the brake lining in the drum brakes used on automobiles, or the brake block in train brakes and bicycle brakes.

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Bury Bar Frame locomotive

The Bury Bar Frame locomotive was an early type of steam locomotive, developed at the works of Edward Bury and Company, later named Bury, Curtis, and Kennedy.

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Cab (locomotive)

The cab, crew compartment or driver's compartment of a locomotive, or a self-propelled rail vehicle, is the part housing the train driver or engineer, the fireman or driver's assistant (secondman) (if any), and the controls necessary for the locomotive's, or self-propelled rail vehicle's, operation.

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Chimney (locomotive)

The chimney (smokestack or stack in American and Canadian English) is the part of a steam locomotive through which smoke leaves the boiler.

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Connecting rod

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

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Coupling rod

A coupling rod or side rod connects the driving wheels of a locomotive.

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Cylinder (locomotive)

Cylinders were an important structural part of the steam engines which powered locomotives.

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Driving wheel

On a steam locomotive, a driving wheel is a powered wheel which is driven by the locomotive's pistons (or turbine, in the case of a steam turbine locomotive).

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Electric generator

In electricity generation, a generator is a device that converts motive power (mechanical energy) into electrical power for use in an external circuit.

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Equalising beam

An equalising beam, equalising lever or equalising barOr "equalizing" beam,etc.

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Firebox (steam engine)

In a steam engine, the firebox is the area where the fuel is burned, producing heat to boil the water in the boiler.

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Footplate

The footplate of a steam locomotive is a large metal plate that rests on top of the frames and is normally covered with wooden floorboards.

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Georg Knorr

Theodor Georg Knorr (October 19, 1859 in Ruda bei Neumark, West Prussia – April 15, 1911 in Davos, Switzerland), was an engineer and entrepreneur on the field of railroad technology and founder of the company Knorr-Bremse.

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George Westinghouse

George Westinghouse Jr. (October 6, 1846 – March 12, 1914) was an American entrepreneur and engineer based in Pittsburgh, Pennsylvania who invented the railway air brake and was a pioneer of the electrical industry, gaining his first patent at the age of 19.

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Glossary of boiler terms

Boilers for generating steam or hot water have been designed in countless shapes, sizes and configurations.

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Glossary of rail transport terms

Rail terminology is a form of technical terminology.

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Great Western Railway

The Great Western Railway (GWR) was a British railway company that linked London with the south-west and west of England, the Midlands, and most of Wales.

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Johnson Bar (locomotive)

A Johnson Bar is a control lever on a steam locomotive, used to control the timing of the admission of steam into the locomotive's pistons.

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Leading wheel

The leading wheel or leading axle or pilot wheel of a steam locomotive is an unpowered wheel or axle located in front of the driving wheels.

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Leaf spring

A leaf spring is a simple form of spring commonly used for the suspension in wheeled vehicles.

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LMS locomotive numbering and classification

A number of different numbering and classification schemes were used for the locomotives owned by the London, Midland and Scottish Railway (LMS) and its constituent companies; this page explains the principal systems that were used.

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Piston

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

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Piston rod

In a piston engine, a piston rod joins a piston to the crosshead and thus to the connecting rod that drives the crankshaft or (for steam locomotives) the driving wheels.

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Piston valve (steam engine)

Piston valves are one form of valve used to control the flow of steam within a steam engine or locomotive.

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Plain bearing

A plain bearing, or more commonly sliding bearing and slide bearing (in railroading sometimes called a solid bearing or friction bearing), is the simplest type of bearing, comprising just a bearing surface and no rolling elements.

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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.

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Railway air brake

A railway air brake is a railway brake power braking system with compressed air as the operating medium.

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Railway coupling

A coupling (or a coupler) is a mechanism for connecting rolling stock in a train.

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Safety valve

A safety valve is a valve that acts as a fail-safe.

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Sandbox (locomotive)

A sandbox is a container on most locomotives, multiple units and trams that holds sand, which is dropped on the rail in front of the driving wheels in wet and slippery conditions and on steep grades to improve traction.

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Slide valve

The slide valve is a rectilinear valve used to control the admission of steam into, and emission of exhaust from, the cylinder of a steam engine.

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Smokebox

A smokebox is one of the major basic parts of a steam locomotive exhaust system.

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Snifting valve

A snifting valve (sometimes snifter valve) is an automatic anti-vacuum valve used in a steam locomotive when coasting.

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Steam

Steam is water in the gas phase, which is formed when water boils.

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Steam dome

The steam dome is a vessel fitted to the top of the boiler of a steam engine.

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Steam locomotive

A steam locomotive is a type of railway locomotive that produces its pulling power through a steam engine.

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Superheater

A superheater is a device used to convert saturated steam or wet steam into superheated steam or dry steam.

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Tender (rail)

A tender or coal-car is a special rail vehicle hauled by a steam locomotive containing its fuel (wood, coal, or oil) and water.

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Tractive force

As used in mechanical engineering, the term tractive force can either refer to the total traction a vehicle exerts on a surface, or the amount of the total traction that is parallel to the direction of motion.

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Trailing wheel

On a steam locomotive, a trailing wheel or trailing axle is generally an unpowered wheel or axle (wheelset) located behind the driving wheels.

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Train whistle

A train whistle or air whistle (originally referred to as a steam trumpet) is an audible signaling device on a steam locomotive, used to warn that the train is approaching, and to communicate with rail workers.

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Vacuum brake

The vacuum brake is a braking system employed on trains and introduced in the mid-1860s.

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Valve gear

The valve gear of a steam engine is the mechanism that operates the inlet and exhaust valves to admit steam into the cylinder and allow exhaust steam to escape, respectively, at the correct points in the cycle.

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Backhead, Glossary of steam locomotive components, Steam Locomotive Drive, Steam chest, Steam locomotive drive, Steam locomotive nomenclature, Steam locomotive parts.

References

[1] https://en.wikipedia.org/wiki/Steam_locomotive_components

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