Roots blower

Roots blower

[′rüts ‚blō·ər]
(mechanical engineering)
A compressor in which a pair of hourglass-shaped members rotate within a casing to deliver large volumes of gas at relatively low pressure increments.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
reciprocating compressors--piston diaphragm type; rotary compressors --sliding vane, gear, screw, roots blower.
The Roots blower design on which many superchargers are based, actually predates the internal combustion engine, and these devices were being used to optimize blast furnace output in the 1870s.
Thus, the ROOTS[R] blower concept and Roots Blower Company was created in their hometown of Connersville, Indiana, USA.
The RL series of rotary lobe blowers brings the benefits of "roots blower" technology to a unit measuring just 15.24-cm long and weighing 794 g.
The new package comprises a GV Drystar vacuum pump, Roots blower fitted with hydrokinetic coupling, and vapour booster.
The 645 is available in 8-, 12- and 16-cylinder versions with a Roots blower and in 8-, 12-, 16- and 20-cylinder turbocharged versions.
In 1859, Philander Roots' hat blew straight off his head, and the basic design of Roots blower was born.
When used with a Roots blower, the 050 can achieve pumping speeds up to 1,000 [m.sup.3]/hr.