Rotating Eccentric Masses for Variable Inertial Force Generation
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Solution Overview
Problem
Existing mechanical systems fail to effectively generate inertial forces with variable magnitude by rotating masses along paths that are symmetric and parallel to each other, leading to inconsistent and inefficient force production due to friction and mechanical limitations.
Innovation Solution
The apparatus comprises two pairs of rotating masses moving in opposite directions along identical, parallel, and symmetric paths, with the distance from the axis of rotation varying, generating inertial forces that change cyclically in magnitude based on the path's geometry and position, optimizing force production by using specific path shapes and configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If masses rotate along symmetric paths parallel to each other, then the mechanical structure is simple and easy to manufacture, but the inertial forces generated are inconsistent and inefficient due to friction
Solution Approach 1:
The patent applies asymmetry by designing paths that are symmetric with respect to an axis but asymmetric with respect to the rotation center. This allows the masses to generate consistent inertial forces in one direction while maintaining structural simplicity. The asymmetric path configuration ensures that friction effects are minimized and force production remains efficient throughout the rotation cycle.
2Speed
If masses rotate at constant distance from axis, then the motion is uniform and easy to control, but the inertial force magnitude cannot be varied effectively
Solution Approach 1:
The patent implements dynamics by allowing the distance between the rotating masses and the axis of rotation to vary continuously along the path. The paths are designed such that the radial distance changes in a controlled manner, enabling the inertial force magnitude to vary cyclically while maintaining uniform rotational speed. This dynamic configuration optimizes force production at different points in the rotation cycle.
3Loss of energy
If masses are positioned closer to axis of rotation, then friction is minimized, but the inertial force magnitude decreases
Solution Approach 1:
The patent employs periodic action by designing the paths to create cyclic variations in the radial distance of the masses from the rotation axis. During portions of the cycle, masses are positioned closer to minimize friction, while during other portions, they are positioned farther to maximize inertial force magnitude. This periodic optimization ensures that the net effect is efficient force production with minimized energy loss to friction.
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
This configuration allows for the generation of inertial forces that vary cyclically, maximizing force magnitude when the masses are furthest from the axis of rotation and minimizing friction, resulting in efficient and impulsive force production.
Implementation Method 1
an apparatus which generates inertial forces, exploiting the movement of masses that are set in rotation along paths of appropriate shape
Data Source
Figure 1~10A
Figure 10B~10H
Figure 11
AI summary
An apparatus for developing inertial forces, the resultant of which is a unidirectional force, comprises at least two masses (M) or pairs of masses (M), each of which rotates on a generic plane and along a closed path that Xs parallel and adjacent to that of the other mass or pair of masses that moves in the opposite direction and is symmetrical with respect to a vertical axis coinciding with the axis of symmetry of the path of said masses (M), said path being comprised between a minimum path and a maximum path, both comprised in an outer circumference (Cl) having a radius (Rl) and a diameter (Dl) that is perpendicular to the axis of symmetry of the path of the masses (M), as well as a centre (0) that coincides with the centre of rotation of the masses (M). Said minimum path is defined by a circumference (C3) having a radius (R3) equal to 1/10 of the radius (Rl), and a centre (O' ), set on the axis of symmetry of the path of the masses and tangential to 4 the centre of the circumference (Cl). Said maximum path is defined by means of two minor circumferences of radius (R?) <3/4 (Rl), each having its own centre on the diameter (Dl) of the circumference (Cl) and being tangential thereto at the end of the latter by joining: a stretch of horizontal chord that joins the two points of tangency with the two minor circumferences; an arc of the right-hand minor circumference; a top arc of the circumference (Cl); and an arc of the left-hand minor circumference, said latter arc being symmetrical to the first arc.