Employment of sound dampers in household appliances and electrical appliances with sound dampers
AssigneeElaplast Technik GmbH
InventorsTheo Huhn, Udo Gaertner
Life of this patent
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Abstract
To dampen a sound created in an electrical tool or appliance having an air passage through which air is being forced, a sound damper is placed in the air passage. Preferably, a filter is provided upstream of the sound damper to prevent suspended particles, fibers, fumes and the like from entering the sound damper.
Claims16
A method of reducing sound in a device selected from an electrical tool and a household appliance, said method comprising the steps of providing a device selected from a household appliance and a tool having an air passage selected from a gas intake a gas exit and a gas-cooled passage, said device being powered by an electrical motor;
- and reducing the noise of the device by providing a sound damper in the air passage.
An electrical appliance comprising an air passage, electrical means for creating a flow of air through said passage, and a sound damper disposed in the passage for reducing the noise level.
Dependencies are inferred from the claim text.