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US 9,282,800 B2Granted
Hand held appliance
AssigneeDyson Technology Limited
InventorsStephen Benjamin Courtney, Patrick Joseph William Moloney, Peter David Gammack
Life of this patent
Estimating the term…
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AssigneeDyson Technology Limited
InventorsStephen Benjamin Courtney, Patrick Joseph William Moloney, Peter David Gammack
Estimating the term…
A hand held appliance, such as a hairdryer, includes a body having a fluid inlet for admitting fluid into the appliance, a fluid outlet, a duct lined with a material, and a primary fluid flow path extending from the fluid inlet to the fluid outlet and through the duct. The material may be a foam or a felt and is a sound absorbing material, a vibration absorbing material, is an insulator, is tuned to resonant frequencies of the appliance. The primary fluid flow path may be non-linear. The duct may have a non-circular cross-section and may comprise a handle portion of the appliance, and the handle portion of the duct is lined with said material. A fan unit may be provided located upstream of the handle portion. The duct may comprise a first handle portion and a second handle portion of the appliance.
A hairdryer comprising a body, a fan unit and a duct for conveying fluid to the body, wherein the duct comprises a handle portion of the hairdryer, an inlet portion, and a fluid inlet located at or near an end of the inlet portion of the duct which is remote from the body, wherein the fan unit is disposed in the duct between the inlet portion and the body, wherein a portion of the duct is lined with a material and wherein at least a first lined portion of the duct is disposed between the fan unit and the body.
A hand held appliance comprising a body, a fan unit and a duct for conveying fluid to the body, wherein the duct comprises a handle portion of the hairdryer, an inlet portion, and a-fluid inlet located at or near an end of the inlet portion of the duct which is remote from the body, wherein the fan unit is disposed in the duct between the inlet portion and the body, wherein a portion of the duct is lined with a material and wherein at least a first lined portion of the duct is disposed between the fan unit and the body.
A hairdryer comprising a body, a fan unit and a duct for conveying fluid to the body, wherein the duct comprises a handle portion of the hairdryer, an inlet portion, and a fluid inlet located at or near an end of the inlet portion of the duct which is remote from the body, wherein the fan unit is disposed in the duct between the inlet portion and the body, wherein a portion of the duct is lined with a material.
Dependencies are inferred from the claim text.