Variable Pressure Chamber Drive for Adjustable Stimulation Stroke
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Solution Overview
Problem
Existing stimulation devices for human erogenous zones lack the ability to generate a variable pressure field, limiting their operating characteristics and effectiveness.
Innovation Solution
A device with a linear drive unit that generates a variable pressure field through a pressure chamber, using a movable chamber wall section coupled to a drive unit, and a coil device within a stationary magnetic field to create overpressures and underpressures, sealed by a sealing device, with a battery system providing drive energy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a rotating electric motor with eccentric shaft is used to generate piston movement, then the stimulation device can produce vibrations, but the piston stroke is fixed and cannot be changed during operation
Solution Approach 1:
The patent replaces the mechanical eccentric shaft mechanism with an electromagnetic linear motor that uses a magnetic core and coil assembly. This substitution allows the piston stroke to be variable and adjustable during operation, as the magnetic field strength can be controlled electronically rather than being fixed by mechanical geometry.
Solution Approach 2:
The patent implements a dynamic drive mechanism where the magnetic core can be axially displaced to different positions during operation. This dynamic adjustment capability allows the piston stroke to be changed in real-time based on operational requirements, transforming a static mechanical system into a dynamic one.
2Adaptability or versatility
If an electric linear motor with magnetic core is used to generate axial displacement, then the device can produce variable vibrations, but the maximum axial displacement is determined by the number, design, arrangement and circuitry of the coils
Solution Approach 1:
The patent divides the coil assembly into multiple independent coil elements that can be selectively activated. This segmentation allows different vibration patterns to be generated by activating specific coil elements in different configurations, providing variability in vibration patterns without requiring a completely complex coil arrangement.
Solution Approach 2:
The magnetic core serves multiple functions: it acts as both the electromagnetic component for generating axial displacement and as the structural element that can be positioned at different axial locations. This multi-functionality reduces the overall complexity of the system while maintaining the ability to produce variable vibrations.
3Adaptability or versatility
If a pressure chamber is used to generate variable pressure field, then the device can create overpressures and underpressures for stimulation, but the chamber must be sealed against the environment
Solution Approach 1:
The patent uses a flexible membrane as the chamber wall that can be selectively sealed. This flexible sealing mechanism allows the pressure chamber to be opened or closed based on operational needs, enabling pressure field generation when required while maintaining simplicity when sealing is not needed.
Solution Approach 2:
The patent extracts the sealing function from a permanent complex sealing system and implements it through a selective sealing mechanism that only engages when pressure field generation is required. This reduces the overall complexity of the sealing system while maintaining the capability to generate pressure fields.
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 efficiently generates a variable pressure field with controlled frequency and amplitude, providing effective stimulation without disruptive noise, allowing for improved user experience and comfort.
Implementation Method 1
a coil device, which is traversed by an electric current during operation, is movably arranged in an assigned stationary permanent magnetic field and couples to the movable chamber wall section for transmitting the drive movement
Implementation Method 2
the movable chamber wall section can be repeatedly moved between different wall positions in response to the drive movement coupled thereto, thereby repeatedly increasing and decreasing the chamber volume of the pressure chamber to generate the variable pressure field
Data Source
Figure 1a
Figure 1b
Figure 2~3
AI summary
The invention relates to a device for stimulating a human erogenous zone with a variable pressure field, comprising a housing (21) in which a handle section and a stimulation section are formed; a drive unit (32) arranged in the housing (21) and configured to repeatedly provide a drive movement; a pressure chamber (4, 16) arranged in the housing (21) to provide a variable pressure field and at least partially surrounded by a chamber wall; and a movable chamber wall section (1). This section forms a portion of the chamber wall and couples to the drive unit (32) such that, in response to the drive movement coupled thereto, the movable chamber wall section (1) can be repeatedly moved between different wall positions, thereby repeatedly increasing and decreasing the chamber volume of the pressure chamber (4, 16) to generate the variable pressure field.The device further comprises: a housing opening (22) located in the stimulation section and in fluid communication with the pressure chamber (4, 16), such that the variable pressure field generated by the pressure chamber (4, 16) can be released via the housing opening (22) in the form of negative and positive pressures; a sealing device associated with the housing opening (22) and located in the area of the stimulation section, configured to seal the pressure chamber (4, 16) from the environment during operation; and a battery device (28) configured to provide drive energy for the drive device (32). In the drive device (32), a coil device, through which an electric current flows during operation, is movably arranged in an associated stationary permanent magnetic field (3) and couples to the movable chamber wall section (1) to transmit the drive movement.