Vibrator With Eccentric Flywheel for Quiet Low-Frequency Stimulation
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Solution Overview
Problem
Existing vibrators for erogenous stimulation generate loud noises and sounds due to operating frequencies typically above 80-120 Hz, causing acoustic and sensory irritations.
Innovation Solution
Designing a sex toy vibrator with an electric motor drive that operates in a frequency range of 10-40 Hz, utilizing small diameter motors (5-50 mm) and eliminating reduction gears, and incorporating encapsulation and control electronics to minimize noise, along with vibration transmission elements and specific torque and speed constants.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If conventional electric motors with reduction gears operate at high frequencies (80-120 Hz), then effective vibration stimulation is achieved, but loud noises and acoustic irritations are generated
Solution Approach 1:
The patent fundamentally changes the operating frequency parameter from conventional 80-120 Hz to a novel 10-40 Hz range. This parameter change allows the vibrator to achieve effective stimulation at lower frequencies where acoustic noise is significantly reduced, directly resolving the contradiction between noise level and vibration effectiveness
Solution Approach 2:
The patent replaces the conventional mechanical reduction gear system with a direct-drive configuration where the electric motor shaft directly rotates the flywheel. This substitution eliminates gear meshing noise and mechanical complexity while enabling operation at the optimized 10-40 Hz frequency range without requiring high-speed reduction mechanisms
2Volume of moving object
If small diameter electric motors (5-50 mm) are used without reduction gears, then device size and weight are reduced, but achieving sufficient vibration intensity becomes more difficult
Solution Approach 1:
The patent employs an eccentrically mounted flywheel that converts rotational motion into intense oscillatory vibration. The eccentric mass distribution creates strong vibrational forces despite the small motor size, resolving the contradiction between compact dimensions and vibration intensity by optimizing the vibration generation mechanism rather than relying on motor power alone
Solution Approach 2:
The patent utilizes materials with optimized density and mechanical properties for the flywheel and motor components. By selecting appropriate materials with specific mass densities and mechanical characteristics, sufficient vibration intensity is achieved within the constrained 5-50 mm motor diameter without requiring larger or heavier components
3Object-affected harmful factors
If operation frequency is reduced to 10-40 Hz, then acoustic noise is minimized, but traditional stimulation effectiveness may be compromised
Solution Approach 1:
The patent optimizes multiple parameters simultaneously: operating frequency (10-40 Hz), flywheel mass, eccentricity distance, and motor torque characteristics. This multi-parameter optimization ensures that despite the lower operating frequency, the vibration intensity and stimulation effectiveness remain sufficient, counteracting the potential loss from reduced frequency
Solution Approach 2:
The patent designs the flywheel with specific rotational inertia and eccentric mass distribution that dynamically optimize vibration output at the 10-40 Hz range. The dynamic characteristics of the rotating eccentric mass are tuned to maximize stimulation effectiveness at these lower frequencies, ensuring reliable performance despite departing from conventional high-frequency operation
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 vibrator operates quietly, providing effective erogenous stimulation by reducing noise levels significantly, enhancing user comfort and immersion.
Implementation Method 1
The motor drives a flywheel via its shaft, which rotates eccentrically in a rotation frequency range. Consequently, the vibrator oscillates in this frequency range and thus in its working vibration frequency range.
Implementation Method 2
This causes the vibrator or the walls of such a vibrator to oscillate in a typical frequency range from 80–120 Hz and higher
Data Source
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AI summary
Sex toy in the form of a vibrator for erogenous stimulation, comprising an electromotive drive which drives at least one eccentric flywheel in rotation, wherein this eccentric flywheel rotates eccentrically in a rotation frequency range and therefore the vibrator vibrates in this frequency range and therefore its working vibration frequency range, wherein the diameter of the motorized drive is between 5 mm and 50 mm, wherein this motorized drive is configured in such a way that it is acoustically virtually imperceptible during operation.