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The Roots blower is a positive displacement lobe pump which operates by pumping a fluid with a pair of meshing lobes resembling a set of stretched gears...

70-85% for dynamic superchargers.[citation needed] Lysholm-style blowers (a rotary-screw design) can be nearly as efficient as dynamic superchargers...

including rotary screw compressors, oil-less reciprocating compressors, rotary lobe blowers, rotary screw blowers, high-speed turbo blowers, refrigerated...

source was either the diesel engine or the electric motor. These both had a rotary output, which worked well with contemporary developments in centrifugal...

charge into the cylinder before the compression stroke. The term "blower" is applied to rotary screw, roots-type, and centrifugal compressors when utilized...

the Roots Blower in 1860. In 1869 they were granted a patent by the United Kingdom Patent Office for the invention of "improvements in rotary blowing machines...

employing a single blade that rotates about a single vertical axis are known as rotary mowers, while those employing a cutting bar and multiple blade assembly...

motorcycles. They are also used in power tools such as chainsaws and leaf blowers. The first commercial two-stroke engine involving cylinder compression...

touch and turn each other. An early example of a lobe pump is the Roots Blower, patented in 1860 to blow combustion air to melt iron in blast furnaces...

basement is a half horse-power Crossley Bros. gas engine, which works a rotary blower, and this in turn supplies the compressed air required for the whole...

and Blowers". 2006. p. 9. quote:"The centrifugal blower and the positive displacement blower are two main types of blowers" "Advantages of Rotary Positive...

Henschel rotary steam snowplow (Austrian Federal Railways ÖBB 986.101) Alaska Railroad rotary snowplow near Anchorage Plough (disambiguation) Snow blower "ARCHIVED...

(HVAC) system. An air handler is usually a large metal box containing a blower, furnace or A/C elements, filter racks or chambers, sound attenuators, and...

48-short-ton (44 t) Roots blower, nicknamed "the Western Tornado", built by Roots Patent Force Rotary Blowers (see Roots Blower Company). When the car reached...

for driving induction motors for traction motor cooling blowers, etc. Alternatives exist to rotary phase converters for operation of three-phase equipment...

output exceeding 100 megawatts. Applications include industrial fans, blowers and pumps, machine tools, household appliances, power tools, vehicles,...

Haydock (Jnr) & Christopher Shorrock, "Improvement in and relating to rotary blowers", published 7 Jun 1934  "Christopher Shorrock". Coventry Evening Telegraph...

Electrolux from 1978 to 2006. The mower is a variation of the petrol-powered rotary push lawn mower, but uses a fan above the mower's spinning blades to allow...

along with variants, such as the six-stroke piston engine and the Wankel rotary engine. A second class of internal combustion engines use continuous combustion:...

The classifications of rotary screw compressors vary based on stages, cooling methods, and drive types among others. Rotary screw compressors are commercially...