Adjustable Flywheel Inertia Using Removable Tuning Weights
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Solution Overview
Problem
Current flywheel systems require multiple part numbers and increased costs due to the need for different inertia characteristics, which are often recognized after flywheel development, leading to inefficiencies in manufacturing, inventory, and installation, especially when modifying inertial characteristics for varying applications or transmission clutches.
Innovation Solution
A variable inertia flywheel apparatus with a cylindrical body and arc-shaped groove portions that can receive tuning weights, allowing for selective addition or removal of masses to adjust inertial properties, utilizing biasing members like springs to secure the weights in predetermined positions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If different flywheels with different inertia characteristics are manufactured for different applications, then the inertial requirements of various applications are met, but the number of part numbers and inventory complexity increases
Solution Approach 1:
The flywheel system is divided into a base flywheel and separate adjustable inertia rings that can be independently configured. The inertia rings are segmented into different mass configurations that can be selectively installed, allowing multiple inertia characteristics to be achieved with a single base flywheel design.
Solution Approach 2:
The flywheel system transitions from a static, fixed-inertia design to a dynamic, adjustable-inertia system. The inertia rings can be added or removed to change the total moment of inertia, enabling the same flywheel to adapt to different application requirements without requiring multiple specialized designs.
2Adaptability or versatility
If inertia rings are added to modify inertial characteristics, then the inertial requirements are met, but the installation time and difficulty increase
Solution Approach 1:
The inertia rings are pre-configured with specific mass distributions and attachment features during manufacturing. The attachment interfaces are pre-designed with alignment features and standardized connection mechanisms, so that during installation, the rings can be quickly positioned and secured without complex alignment procedures.
3Adaptability or versatility
If new flywheel development is initiated to meet emerging inertial requirements, then the specific application requirements are satisfied, but the development time and cost increase
Solution Approach 1:
A single base flywheel design serves multiple functions across different applications by combining with various inertia ring configurations. The universal attachment interface and standardized design allow the same flywheel platform to meet different inertial requirements without requiring new development cycles.
Solution Approach 2:
Instead of developing new flywheel geometries for different applications, the system achieves different inertial characteristics by changing the mass parameters through interchangeable inertia rings. This allows continuous adjustment of the moment of inertia parameter without redesigning the entire flywheel.
Data Source
AI summary
A variable inertia flywheel apparatus includes a cylindrical body member defining a longitudinal axis extending between spaced apart front and rear faces of the body member and an arc-shaped groove portion extending circumferentially relative to the longitudinal axis. The arc-shaped groove portion configured to selectively receive one or more tuning weights having a collective mass sufficient to vary an inertial property of the cylindrical body member between a first inertial property with the tuning weights selectively removed from the arc-shaped groove portion, and a second inertial property greater than the first inertial property with the tuning weights selectively received in the arc-shaped groove portion. A variable inertia flywheel system or assembly includes a tuning weight and a variable inertia flywheel apparatus including a cylindrical body member defining a circumferentially extending arc-shaped groove portion configured to selectively receive the tuning weight to vary the inertial property of the cylindrical body member.