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Sullair is a major American manufacturer of portable and stationary rotary screw air compressors designed for commercial and industrial use. Founded in 1965 in the town of Michigan City, Indiana U.S.A., Sullair has manufacturing facilities in Michigan City that distribute and service air compressor packages and systems worldwide.
Principal view of the pumping action of a twin-screw pump with a six-lobe female screw and a five-lobe male screw. A compressor (as opposed to a pump) would be shaped the same way, except that the shape of the lobes would change along the length of the screw, so that the volume of the trapped pockets would get squeezed smaller as they get closer to the exhaust port.
Kaeser Compressors, Inc. manufactures compressed air and vacuum products, including rotary screw compressors, oil-less reciprocating compressors, rotary lobe blowers, rotary screw blowers, high-speed turbo blowers, refrigerated and desiccant dryers, filters, condensate management systems and other related products. The company provides service ...
The scroll expander is a work-producing device used mostly in low-pressure heat recovery applications. It is essentially a scroll compressor working in reverse; high enthalpy working fluid or gas enters the discharge side of the compressor and rotates the eccentric scroll before discharging from the compressor inlet.
The company started out by manufacturing expansion valves and 2-cylinder DC piston compressors. By 1959, Martin Bitzer had expanded his company to 206 employees and was exporting his products to 56 countries. In 1961, graduate engineer Ulrich Schaufler took over the Bitzer Kühlmaschinenbau GmbH company. He remained as its head until his death ...
Elevated temperature levels in the supercharger directly influence discharge air temperatures that next enter the engine. Higher engine inlet air temperatures result in reduced power increases and an increased likelihood of engine damage resulting from detonation within the cylinders. See also intercooling (charge-air density increase).
The relatively recently developed conical screw compressor is a type of rotary-screw compressor using a different topology from the typical dual-screw type. In effect it can be thought of as a conical spiral extension of a gerotor , although the exact geometry is somewhat different due to the angular offset.
An Eaton M62 Roots-type supercharger is visible at the front of this Ecotec LSJ engine in a 2006 Saturn Ion Red Line.. The Roots-type blower is simple and widely used. It can be more effective than alternative superchargers at developing positive intake manifold pressure (i.e., above atmospheric pressure) at low engine speeds, making it a popular choice for passenger automobile applications.