Patent · US Expired

Hair dryer and method for producing a heating element therefor

US4300280A · kind A · utility

7Cited by

5References

3Claims

0Family size

Assignee

Braun A.G. · DE

Inventors

Rudolf Majthan · Eschborn, DE
Rolf Stuhler · Hochheim, DE
Raymond G. Parsonage
Charles C. Packham · Crowthorne, GB

Key dates

Filing date	Mar 25, 1980
Grant date	Nov 17, 1981
Priority date	—
Expiry date	Mar 25, 2000

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/49083
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

An axially compact hair dryer includes a cylindrical outer housing 1, an air outlet 2 at one end of the housing, an air inlet grate 3 at the other end, an electric motor 4 centrally mounted within the housing and driving a blower fan 5, and a generally cylindrical electric heating element 7 disposed in the otherwise wasted annular space between the motor and the housing.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.