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This is a list of vacuum cleaners and robot vacuum cleaner manufacturers. A vacuum cleaner is a device that uses an air pump to create a partial vacuum to suck up dust and dirt, usually from floors, and optionally from other surfaces as well. The dirt is collected by either a dustbag or a rigid cartridge, which may be emptied and reused.
The first upright vacuum cleaner was invented in June 1908 in North Canton, Ohio by department store janitor and occasional inventor James Murray Spangler.Spangler was an asthmatic, and suspecting the carpet sweeper he was using at work was the cause of his ailment, he created a basic suction-sweeper by mounting an electric fan motor on a carpet sweeper and then adding a soap box and a broom ...
James Murray Spangler (November 20, 1848 – January 23, 1915) was an American inventor, salesman, and janitor who invented the first commercially successful portable electric vacuum cleaner that revolutionized household carpet cleaning. His device was not the first vacuum cleaner, but it was the first that was practical for home use.
Hoover Inc. recalled about 142,000 Hoover WindTunnel Canister Vacuums after 69 reports of them overheating or shorting, even when turned off, said the U.S. Consumer Product Safety Commission. So ...
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 well as in commercial settings, exist in a variety of sizes and types ...
Wind tunnel. NASA wind tunnel with the scale model of the MD-11 wide-body airliner. 16-foot supersonic wind tunnel at Arnold Air Force Base, 1960. A model Cessna with helium-filled bubbles showing pathlines of the wingtip vortices. Wind tunnels are machines in which objects are held stationary inside a tube, and air is blown around it to study ...
June 24, 2024 at 8:35 AM. NEW YORK (AP) — It’s not just a book. Back in the 1450s, when the Bible became the first major work printed in Europe with moveable metal type, Johannes Gutenberg was ...
Manual vacuum cleaner. The manual vacuum cleaner was a type of non-electric vacuum cleaner, using suction to remove dirt from carpets, being powered by human muscle, similar in use to a manual lawn mower. Its invention is dated to the second half of the 19th century, when patents were granted to inventors in the United States, Britain, France ...
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