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English: A labelled cross-section of a Roots blower with 2-lobed rotors. The rotor form is cycloidal, and in this drawing is drawn accurately. In fact, it is part epicycloidal and part hypocycloidal, and in both cases the smaller generating circle is 1/4 the diameter of the circle it rolls around.
Figure 1: Components of a centrifugal fan An external motor belt driven inline centrifugal fan discharging inline to the exterior of a building through a duct. Unlike non-inline/non-concentric impeller casing design with a cutoff blade above, the concentrically symetric cylinder casing and impeller geometry of inline type redirects the outflow around so that it is parallel to the inflow of gases.
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.
This image or file is a work of a Federal Aviation Administration employee, taken or made as part of that person's official duties. As a work of the U.S. federal government , the image is in the public domain in the United States.
Sears Hometown and Outlet Stores initiated a program to franchise Sears Outlet stores in 2012. In 2013, home appliances made up 78% of Sears Outlet's sales revenue and total revenue from Sears Outlet stores was $610 million. [42] In 2014, Sears Outlet partnered with the Make-A-Wish Foundation to support children with life-threatening conditions ...
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Sears Holdings Corporation was an American holding company headquartered in Hoffman Estates, Illinois.It was the parent company of the chain stores Kmart and Sears and was founded after the former purchased the latter in 2005. [7]