steam jacket

American  

noun

1. a casing, as on the cylinder of a steam engine, filled with live steam to keep the interior hot.

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steam jacket British  

noun

1. engineering a jacket containing steam that surrounds and heats a cylinder

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Other Word Forms

• steam-jacketed
  adjective

Etymology

Origin of steam jacket

First recorded in 1830–40

Example Sentences

The water of condensation of a steam jacket should not be allowed to accumulate in any part of the jacket, but should drain off and pass back to the boiler.

From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua

Cylinders should have a steam jacket, and be felted and planted,   should have escape valves.

From A Catechism of the Steam Engine by Bourne, John, C.E.

The cylinder, made in four pieces, is built up on Mr. W. Inglis's patent arrangement, with separate liner and steam jacket casing and separate end valve chambers.

From Scientific American Supplement, No. 286, June 25, 1881 by Various

It may also be caused by the cylinder being unduly cooled, as from water accumulating in a steam jacket.

From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua

Rotating cylinders are also used; the material to be dried being placed inside, and the cylinder heated by a steam jacket or otherwise.

From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 2 "Demijohn" to "Destructor" by Various