Patent · US Active

Diffuser and hair dryer having a diffuser

US11253040B2 · kind B2 · utility

13Cited by
2References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 30, 2020
Grant dateFeb 22, 2022
Priority date
Expiry dateOct 30, 2040

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF21Y2115/10
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A diffuser for a hair dryer includes a diffusing case, a guide frame provided inside the diffusing case to guide a flow of gas introduced into the diffusing case, a light irradiator provided inside the diffusing case and in front of the guide frame to irradiate light toward a front side of the diffusing case, and a discharge cover provided at the front side of the diffusing case. The discharge cover includes a gas discharge hole to discharge the gas inside the diffusing case to outside. The discharge cover includes a plurality of massage protrusions to press a target located in front of the discharge cover.

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