The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 04, 2018
Filed:
Dec. 12, 2016
Applicant:
Dyson Technology Limited, Wiltshire, GB;
Inventor:
David George Warne, Swindon, GB;
Assignee:
Dyson Technology Limited, Malmesbury, Wiltshire, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A45D 20/12 (2006.01); A45D 20/50 (2006.01);
U.S. Cl.
CPC ...
A45D 20/12 (2013.01); A45D 20/50 (2013.01);
Abstract
A hair care appliance including a motor for generating an airflow through the appliance, the motor comprising: a frame for supporting a rotor assembly, the frame including an outer wall; and a rotor assembly including a shaft and an impeller, the impeller including a plurality of blades. An impeller housing portion of the outer wall surrounds the impeller. An inner surface of the impeller housing portion includes at least one groove extending in an axial direction and positioned such that the at least one groove extends along at least the axial extent of the blades of the impeller.