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The Dyson DC41 upright released in late 2011 as the replacement for the DC25, is the first upright vacuum with Dyson's new Radial Root Cyclone technology as well as an automatic height adjuster which provides the maximum amount of power in the suction head. The cleaner also has Dyson's new high-powered turbo brush for the hose.
Fluids cannot generally be pulled, so a vacuum cannot be created by suction. Suction can spread and dilute a vacuum by letting a higher pressure push fluids into it, but the vacuum has to be created first before suction can occur. The easiest way to create an artificial vacuum is to expand the volume of a container.
Dyson Limited, trading as Dyson, is a Singaporean [7] [8] [9] multinational technology company. Founded in 1991 by James Dyson in Malmesbury, England, the company designs and manufactures household appliances such as vacuum cleaners, air purifiers, hand dryers, bladeless fans, heaters, hair dryers, and lights.
The Dyson V8 is a powerhouse of a vacuum; it’s cordless and features a detachable handle that acts as a second, smaller vacuum perfect for corners or places that are harder to reach with a floor ...
Dyson's super-strong lightweight stick vac — which converts to a handheld — is on sale for just $400, for a limited time. The slim, cordless Dyson V8 Absolute vac has seriously savage suction ...
A Numatic Henry, one of the most common canister-style cleaners in Europe. A vacuum cleaner, also known simply as a vacuum, is a device that uses suction, and often agitation, in order to remove dirt and other debris from carpets and hard floors. The dirt is collected into a dust bag or a plastic bin. Vacuum cleaners, which are used in homes as ...
Net positive suction head. In a hydraulic circuit, net positive suction head (NPSH) may refer to one of two quantities in the analysis of cavitation: The Available NPSH (NPSH A): a measure of how close the fluid at a given point is to flashing, and so to cavitation. Technically it is the absolute pressure head minus the vapour pressure of the ...
In fluid dynamics, total dynamic head (TDH) is the work to be done by a pump, per unit weight, per unit volume of fluid. TDH is expressed as the total equivalent height that a fluid is to be pumped, taking into account friction losses in the pipe. where: Static lift is the difference in elevation between the suction point and the discharge point.