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

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

The melting pan is an iron vessel, of various sizes, capable of holding from 28 lbs. to 3 cwt., heated by a steam jacket, or by a water-bath.

From The Art of Perfumery And Methods of Obtaining the Odors of Plants by Piesse, George William Septimus

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 working cylinder is in the form of a liner to the cylinder, thus forming the steam jacket, with a view to future renewal.

From Scientific American Supplement, No. 344, August 5, 1882 by Various

The heat generated in the furnace is utilized to the utmost, and the escaping vapors form a steam jacket in the double casing of the disinfecting chamber.

From Scientific American Supplement, No. 611, September 17, 1887 by Various