Massage Device Piston Mechanism Thermal Management

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Solution Overview

Problem

Existing vibrating massaging devices are often bulky, prone to overheating, noisy, and difficult to use for extended periods, limiting their effectiveness and user comfort.

Innovation Solution

The development of a massaging device featuring a piston-driven mechanism with a motor and drive mechanism that converts rotary motion to linear reciprocating motion, coupled with a heat sink for thermal management and a quick-connection mechanism for interchangeable massaging heads.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Power

If a motor and drive mechanism are used to generate reciprocating motion for massaging, then the massaging effectiveness is improved, but the device generates excessive heat causing overheating

Engineering Contradiction:

Improvemassaging powerVSAvoiddevice temperature

Core Design Contradiction:

PowerVSTemperature

Solution Approach 1:

The patent extracts the heat-generating motor and drive mechanism from the main housing into a separate, removable massaging head. This separation allows the heat source to be isolated from the user's body and the main device body, solving the overheating problem while maintaining effective massaging power at the application point.

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

The device is divided into modular components: a main housing containing control elements and a separate massaging head containing the motor and drive mechanism. This segmentation enables independent thermal management of the motor component and improves overall device comfort during extended use.

Inventive Principle:

Principle #1Segmentation

2Volume of moving object

If the device is designed with integrated components for compactness, then the device size is reduced, but the device becomes bulky and difficult to use for extended periods

Engineering Contradiction:

Improvedevice volumeVSAvoidease of use

Core Design Contradiction:

Volume of moving objectVSEase of operation

Solution Approach 1:

The device is segmented into a lightweight main housing and a separate massaging head. The main housing contains only essential control elements, while the motorized components are isolated in the removable head, creating a more balanced and comfortable device for extended use.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The massaging head is designed as a dynamically removable component that can be detached and replaced. This dynamic configuration allows the device to adapt to different user needs and reduces the perceived bulk during operation, improving ease of use.

Inventive Principle:

Principle #15Dynamics

3Productivity

If the motor runs continuously to maintain massaging action, then the massaging effectiveness is maintained, but the device becomes noisy

Engineering Contradiction:

Improvemassaging continuityVSAvoidnoise

Core Design Contradiction:

ProductivityVSObject-generated harmful factors

Solution Approach 1:

The massaging mechanism uses periodic reciprocating motion generated by the crank and connecting rod mechanism. This periodic action delivers effective massaging strokes while allowing the motor to operate in short bursts rather than continuous rotation, reducing noise levels.

Inventive Principle:

Principle #19Periodic action

Solution Approach 2:

The drive mechanism converts continuous motor rotation into periodic reciprocating motion through a crank mechanism. This dynamic conversion maintains massaging effectiveness while reducing motor noise by allowing intermittent operation cycles.

Inventive Principle:

Principle #15Dynamics

4Adaptability or versatility

If a quick-connection mechanism is added to allow interchangeable massaging heads, then the adaptability is improved, but the device complexity increases

Engineering Contradiction:

Improvehead interchangeabilityVSAvoidconnection mechanism complexity

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The quick-connection mechanism uses a universal interface design with standardized coupling elements that work across different massaging head types. This universal approach enables interchangeability while minimizing the complexity of individual connection components.

Inventive Principle:

Principle #6Universality (Multi-functionality)

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 provides a more ergonomic and efficient massage experience, with improved heat dissipation and ease of use, allowing for extended periods of operation without discomfort or overheating.

Implementation Method 1

a heat sink in thermal communication with the motor and drive mechanism

Methodology Applied

Scientific EffectThermal conduction: Conduction (thermal)

Implementation Method 2

The cavities are separated from one another and the second cavity includes one or more openings for allowing air to flow over the heat sink to dissipate heat from the massager

Methodology Applied

Scientific EffectConvection: Convection

Data Source

PatentUS12213933B1Massage device with a releasable connection for a massaging head

Publication Date: 2025.02.04 HYPERICE IP SUBCO LLC

AI summary

Exemplary embodiments of massaging devices are disclosed herein. One exemplary embodiment includes a piston having a longitudinal axis, a massaging head connected to the piston, a motor located on a first side of the longitudinal axis and a handle located on a second side of the longitudinal axis. A drive mechanism for moving the piston and massage head is also included.