Drying and gas or vapor contact with solids – Apparatus – For hair on head
Patent
1988-03-21
1990-05-15
Bennet, Henry A.
Drying and gas or vapor contact with solids
Apparatus
For hair on head
219365, A45D 2012
Patent
active
049246020
ABSTRACT:
An electrically operated portable hair dryer wherein the housing has an air inlet at its rear end and an outlet for heated air at its front end. A grid between the outlet and the air heating unit in the housing has a hollow cylindrical outer wall which is confined in the housing, a hollow frustoconical inner wall which is spaced apart from and is surrounded by the outer wall, and a cylindrical innermost wall which is spaced apart from and is surrounded by the inner wall. The walls are integrally connected to each other by radially extending webs. The walls have a common axis, and the diameter of the inner wall decreases in the direction of flow of heated air through the grid. A perforated filter is installed in the housing adjacent the inlet, and a motor-driven impeller is rotatably mounted in the housing between the filter and the heating unit. The holder for the motor is integral with an air guide which surrounds the motor and has radially extending vanes angularly offset with reference to radially extending carriers for the electric heating element or elements of the heating unit.
REFERENCES:
patent: 3943329 (1976-03-01), Hlavac
patent: 4195217 (1980-03-01), Moller et al.
patent: 4366368 (1982-12-01), Stephens, III
patent: 4471213 (1984-09-01), Yoshida
Bennet Henry A.
Kontler Peter K.
Robert Krups Stiftung & Co. KG.
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