Oscillating Blower-Brush Head With Pivoted Dual Air Outlets

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Solution Overview

Problem

Existing blow-dry hairbrushes are ergonomically flawed, complex, and require additional styling tools for comprehensive hair drying and shaping, lacking in compactness and ease of use.

Innovation Solution

A portable hair styling device with a handle, blower module, and styling head that allows for ergonomic design, compact construction, and simultaneous drying and shaping capabilities, featuring a pivoting working element with dual air outlets for intuitive hair engagement and airflow direction.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If blow-dry hairbrushes are designed with multiple functions to replace separate devices, then versatility is improved, but device complexity increases

Engineering Contradiction:
ImproveversatilityVSAvoiddesign complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent implements a universal blow-dry hairbrush that combines multiple functions (drying, styling, shaping) within a single device. The brush head can be positioned at different angles and the airflow can be directed through multiple outlets to achieve various hair styling effects, eliminating the need for separate devices while maintaining functional integration.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Adaptability or versatility

If blow-dry hairbrushes are designed with complex mechanisms to achieve multiple functions, then versatility is improved, but ease of operation deteriorates

Engineering Contradiction:
ImproveversatilityVSAvoidease of use
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The patent employs dynamic positioning mechanisms that allow the brush head to be adjusted to different angles and orientations. The airflow outlets are designed to be movable or adjustable, enabling users to direct airflow precisely where needed without complex controls. This dynamic adaptability maintains ease of use while providing multiple styling capabilities.

Inventive Principle:
Principle #15Dynamics

3Adaptability or versatility

If blow-dry hairbrushes are designed with larger components to achieve multiple functions, then versatility is improved, but compactness deteriorates

Engineering Contradiction:
ImproveversatilityVSAvoidcompactness
Core Design Contradiction:
Adaptability or versatilityVSVolume of moving object

Solution Approach 1:

The patent integrates multiple functional components within a compact brush head structure. The airflow outlets, positioning mechanisms, and styling elements are nested or arranged to maximize space utilization. The brush handle and head are designed to be space-efficient while accommodating all necessary components for multiple functions, maintaining portability and compactness.

Inventive Principle:
Principle #7Nested doll (Nesting)

4Adaptability or versatility

If blow-dry hairbrushes are designed with integrated drying and styling functions, then versatility is improved, but reliability deteriorates

Engineering Contradiction:
ImproveversatilityVSAvoidreliability
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The patent segments the brush into distinct functional modules (drying component, styling component, airflow control) that can operate independently or together. This modular segmentation allows each function to be optimized for reliability while maintaining overall versatility. The separated components reduce interference between functions and simplify maintenance and troubleshooting.

Inventive Principle:
Principle #1Segmentation

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Enables efficient and ergonomic hair drying and shaping without additional tools, ensuring robust, safe, and comfortable operation even for non-professionals, with optimized airflow distribution for enhanced styling results.

Implementation Method 1

a blower module (5), designed to generate an airflow (F)

Methodology Applied
Scientific EffectAirflow generation: Fan

Implementation Method 2

a heating element designed to raise the temperature of the airflow (F) generated by the blower module (5)

Methodology Applied
Scientific EffectHeating: Heating

Data Source

PatentEP4355167B1Hairstyling appliance having an improved oscillating blower-brush mode
Publication Date: 2026.04.01 SEB SA
  • EP4355167B1 patent drawingFigure 1
  • EP4355167B1 patent drawingFigure 2
  • EP4355167B1 patent drawingFigure 3

AI summary

- The invention relates to a portable hairstyling appliance (1) comprising a blower, a head (6) connected to a handle (2), the head comprising a housing (13) that is fixed with respect to the handle, and a working element (14) that is arranged in the housing and comprises a mechanical hair-engagement element (15) and first and second air outlets (18, 19) disposed on either side of the mechanical hair-engagement element, the appliance comprising an air directing member, the working element being able to rotate with respect to the handle between a position in which a first air direction outlet of the air directing member is in communication with the first air outlet of the working element and a position in which a second air directing outlet of the air directing member is in communication with the second air outlet of the working element. - Hairstyling appliances.