Dedusting pumps – the first mobile vacuum cleaners: Difference between revisions

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	[[file:Foto 01 01 1906 Entstaeubungspumpe.jpg\|~~miniatur~~\|501x501px\|Siemens dedusting pump, 1906. (Quelle: Pressebilder BSH Hausgeräte GmbH)]]		[[file:Foto 01 01 1906 Entstaeubungspumpe.jpg\|thumb\|501x501px\|Siemens dedusting pump, 1906. (Quelle: Pressebilder BSH Hausgeräte GmbH)]]

	Vacuum cleaners have a tradition stretching back over 111 years at BSH. In 1906, Siemens launched its first vacuum cleaner on the market with the so-called dedusting pump. This appliance was developed on the basis of the Siemens Elmo vacuum pump. It weighed 150 kg, had an upstream filter and was mounted on a movable sled.		Vacuum cleaners have a tradition stretching back over 111 years at BSH. In 1906, Siemens launched its first vacuum cleaner on the market with the so-called dedusting pump. This appliance was developed on the basis of the Siemens Elmo vacuum pump. It weighed 150 kg, had an upstream filter and was mounted on a movable sled.

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