Why was The first vacuum cleaner not easy?

Answer Various mechanical refrigeration devices appeared over the years.The first known artificial Refrigeration was demonstrated by William Cullen at the University of Glasgow in 1748, and relied on the ... Read More »

Top Q&A For: Why was The first vacuum cleaner not easy

A vacuum cleaner uses 800 W of power The voltage source is 100 V What is the current flowing through the vacuum cleaner?

How does the fan inside a vacuum cleaner cause the vacuum cleaner to pick up dirt?

The fan powered by a motor creates suction which pulls the dust into nozzle (head) into the bag, filters or cyclones.

How big was the first vacuum cleaner?

The first recorded actual vacuum cleaners were "street sweepers" in the mid 1800's in England. later in the 19th century, a horse-drawn vacuum cart was invented. It was similar to a central vacuum,... Read More »

Was the first hairdryer a vacuum cleaner?