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The first introduction of a permanent system similar to a residential central vacuum cleaner was in the late 19th century. A ducted machine featuring copper tubes connected from a bellows chamber, typically located in the basement and extended to several locations throughout a building, was used in a select few homes.
The first system was created in Sweden in the 1960s, designed by the Swedish corporation Envac AB [2] (formerly known as Centralsug AB). [3] The first installation was in 1961 at Sollefteå Hospital. The first vacuum system for household waste, was installed in the new residential district of Ör-Hallonbergen, Sweden in 1965. [4]
The power unit of a typical central vacuum cleaner for residential use. Central vacuum cleaners, also known as built-in or ducted, are a type of canister/cylinder model which has the motor and dirt filtration unit located in a central location in a building, and connected by pipes to fixed vacuum inlets installed throughout the building.
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 gathered by either a dustbag or a rigid cartridge, which may be emptied and reused.
This page was last edited on 14 May 2011, at 15:24 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply ...
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