Rotating Hair Styling Device Airflow Segmentation
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Solution Overview
Problem
Conventional hair drying and styling devices are inefficient, often resulting in tangling and difficulty in achieving a smooth, finished hairstyle, especially for users trying to dry and style their own hair, due to complex device manipulation and uneven air flow distribution.
Innovation Solution
A hair styling device with a rotatable body and multiple gas flow conduits that direct air at an angle greater than 100 degrees, combined with a handle and bristles, allows for efficient drying and styling by concentrating air flow and reducing tangling through motorized rotation and divider elements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional hair dryers with circular cross section are used, then the device structure is simple, but the air flow distribution is uneven causing the top surface to dry faster while hair underneath remains wet
Solution Approach 1:
The patent divides the single circular air outlet into multiple separate air outlets arranged in a specific pattern. This segmentation allows different sections of hair to receive targeted air flow, improving uniformity of drying across the scalp while maintaining a relatively simple overall device structure.
Solution Approach 2:
The patent positions air outlets at specific locations corresponding to different regions of the scalp (front, back, sides). Each air outlet is strategically placed to direct air flow to specific areas, creating local quality improvements in air distribution that address the uneven drying problem.
2Ease of operation
If users manually rotate a brush while blow drying, then the device structure is simple, but the process is complex and difficult to operate especially for self-styling
Solution Approach 1:
The patent combines the hairbrush and hair dryer into a single integrated device. The brush handle incorporates the air outlet structure, and the brush head includes air channels that direct hot air onto the hair while it's being brushed. This merging eliminates the need for separate manual coordination of two devices, greatly simplifying self-styling operation.
Solution Approach 2:
The patent incorporates a rotatable brush head that can rotate automatically during use. This dynamic feature allows the brush to adapt to different hair directions and scalp areas, making self-styling easier while the rotation mechanism is integrated into the brush structure itself.
3Productivity
If hot air is blown directly onto hair from the center of the brush head, then the device structure is simple, but the air flow is not concentrated causing hair to blow up and away from bristles
Solution Approach 1:
The patent uses asymmetric air outlet positioning and shaping within the brush head structure. The air outlets are not uniformly distributed but are strategically positioned to create concentrated air streams that follow the natural lay of the hair, preventing hair from blowing away from the bristles while maintaining efficient drying.
Solution Approach 2:
The patent incorporates air directing elements or guides within the brush head structure that act as intermediaries between the air source and the hair. These elements shape and concentrate the air flow, directing it onto the hair in a controlled manner that improves drying efficiency without requiring complex external air delivery systems.
4Productivity
If a single air outlet is used in the brush handle, then the device structure is simple, but the air flow coverage is insufficient for effective drying and styling
Solution Approach 1:
The patent divides the single air outlet into multiple air outlets within the brush head. This segmentation increases the total air flow coverage area and allows different regions of the scalp to be targeted simultaneously, significantly improving drying efficiency while the multiple outlets are integrated into the existing brush structure.
Solution Approach 2:
The patent transitions from a single-point air outlet to a distributed array of air outlets across the brush head surface. This dimensional change from one location to multiple locations provides broader air flow coverage and enables more effective drying of different hair sections simultaneously.
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
The device effectively eliminates tangling and reduces drying time, enabling users to achieve professional-looking results with ease, including smoothing and adding volume to hair, even for longer hair lengths, while allowing for easier self-styling at various angles.
Implementation Method 1
a blower supported by the handle... a first gas flow conduit in gas flow communication with the blower... a second gas flow conduit in gas flow communication with the blower
Implementation Method 2
The air is generally forced across a heating element toward the air outlet. The heated air flows through the air outlet
Data Source
AI summary
A hair styling device having a rotatable body portion, the body portion comprising a longitudinal axis about which the body rotates. The device has a plurality of projections extending outwardly from the body portion and two or more divider elements extending from the body portion. The device also has a handle attached to the body portion and a blower supported by the handle. The device has a first gas flow conduit in gas flow communication with the blower, the first conduit having a proximal portion supported by the body portion and a distal portion away from the body portion and a first nozzle in gas flow communication with the first conduit and oriented to blow air from the distal portion of the first conduit toward the body portion. Methods for using the hair styling device are described.