Gravity-Driven Rotating Frame Assembly for Consistent Torque
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Solution Overview
Problem
Existing power transmission systems face inefficiencies in converting linear mechanical energy into rotational mechanical energy, particularly in maintaining consistent torque and minimizing energy requirements for continuous operation.
Innovation Solution
A power transmission assembly that includes a rotating frame, weights repositionable relative to the frame, and a weight actuator to move the weights between subtraction and addition positions, leveraging gravitational force to drive rotation and output shaft, with a control system to manage weight repositioning and torque.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If conventional power transmission systems are used to convert linear mechanical energy to rotational mechanical energy, then the conversion can be achieved, but the torque consistency and energy efficiency are insufficient
Solution Approach 1:
The system dynamically repositions weights between addition and subtraction positions relative to the rotating frame based on the rotational phase. This dynamic adjustment optimizes the gravitational moment applied to the rotor at different points in the rotation cycle, ensuring consistent torque output while minimizing the energy required to reposition weights
Solution Approach 2:
The weight repositioning operates periodically, with weights being moved to the addition position during specific phases of rotation and returned to the subtraction position during other phases. This periodic action synchronized with the rotation cycle maintains continuous consistent torque while reducing overall energy consumption compared to continuous weight adjustment
2Stability of the object's composition
If weights are repositioned continuously to maintain rotation, then consistent torque can be achieved, but the device complexity increases
Solution Approach 1:
The system segments the weight repositioning function into discrete addition positions and subtraction positions, with weights being moved between these specific locations rather than continuously adjusted. This segmentation simplifies the control mechanism while maintaining torque consistency through strategic weight placement at key rotational phases
Solution Approach 2:
The rotating frame serves multiple functions: it supports the weights, provides the rotational motion for power output, and acts as the reference frame for weight repositioning. This multi-functionality reduces the need for separate components, thereby reducing overall system complexity while maintaining stable torque output
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 system achieves consistent torque and reduced energy consumption by utilizing multiple weights to maintain continuous rotation, enhancing power output and efficiency in converting linear to rotational mechanical energy.
Implementation Method 1
The second height is greater than the first height such that a gravitational force on the weight drives the rotating frame to rotate about the axis and drive the output shaft
Data Source
AI summary
A power transmission assembly includes a base, a rotating frame rotatably coupled to the base and configured to rotate about an axis, an output shaft coupled to the rotating frame, a weight selectively repositionable relative to the rotating frame, and a weight actuator configured to reposition the weight relative to the rotating frame to move the weight from a subtraction position located at a first height to an addition position located at a second height. The second height is greater than the first height such that a gravitational force on the weight drives the rotating frame to rotate about the axis and drive the output shaft.