Tuesday, 21 September 2010

What is a Vacuum Filter?

Vacuum filter is an integral part in life of a vacuum cleaner. Main purpose of a vacuum cleaner is to collect dust passing through the suction nozzle of a vacuum cleaner. It prevents the dust from spreading in the room. If vacuum filter will not work properly them vacuum motor will be overheated because the dust particles will not be filtered and will make their way into the motor.

Usually there are two primary groups of vacuum filters
one is the surface vacuum filter and second is depth vacuum filter. Surface vacuum filter is more modern than the other one. It works efficiently to prevent clogging allowing it to preserve airflow passing through. Surface vacuum filter earned name because dust can be removed from its surface.

Depth vacuum filter is a common type of vacuum filter. It captures dust particles inside it. Unlike surface vacuum filter, depth vacuum filter gets clogged more easily and prevents airflow. Other than two groups of filters mentioned above another vacuum filter is available in market that is known as High Efficiency Particulate Air (HEPA) vacuum filter. This vacuum filter is considered as best for people suffering from allergic problems like asthma and other nasal problems.

HEPA vacuum filter is a micrometer filter equipped that can trap large amount of even small particles and prevents smallest particles from re-circulating back into air. This type of vacuum filter is washable and needs to be changed only after 6 to 12 months. Regardless of types of vacuum filter used, basic working of a vacuum cleaner remains same. First of all dust particles are picked up and filtered through motor filtering and other steps of vacuuming process are performed.


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