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Wet Dry Vacuums: 5 Fast Facts

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Fact #1. The earliest ancestor of the vacuum was a mechanical cleaning tool called the carpet sweeper. Based on a patent filed in 1876, these sweepers featured a box containing rollers and brushes that scraped up dust and pulled it inside. By 1900, powered cleaners were introduced. Most early versions actually pushed air, rather than pulling it into a collector. Because of their impracticality, these cumbersome cleaners were typically only used by businesses.
Fact #2. The first portable electric vacuum cleaner was invented in 1907. After trying and failing to market the vacuum himself, the inventor sold the patent to The Hoover Company. They rolled out their first model in 1908. With the post-World War II baby boom, vacuums became a staple of American life. As the market grew, companies expanded their investment in vacuum technology. Cleaners grew more effective and durable as the century wore on.
Fact #3. Wet dry vacuums are a special use version of the standard vacuum. Today's models combine powerful suction with the ability to handle liquids. Thanks to innovations like the reverse-flow switch, they are extremely easy to clean. A variation on the wet dry model is the compressed air-powered pneumatic vacuum, which is frequently used in various industries.
Fact #4. The substantial suction wet dry vacuum cleaners wield is generated when the pressure outside the cleaner is greater than the pressure inside. This effect occurs when an electric fan reduces pressure inside the cleaner. This pulls the debris into a dust collector.
Fact #5. Wet dry vacuums are designed to intake dry and wet debris alike. The reverse-flow functionality makes it easy to clear clogs and clean the hose. Most cleaners store the dirt and liquids they collect inside a reusable compartment. Found in the drum, this compartment is, by design, easy to empty and clean.
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Hardware
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