Wheel Balancing Laser Pointer With Wireless Power Transfer

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Solution Overview

Problem

The rotation of the laser pointer in existing dynamic balancing machines causes mechanical stress on electrical power cables, leading to damage and breakage, compromising the operation of the machine.

Innovation Solution

A wireless electricity transfer system is used to power the laser pointer, eliminating the need for electrical cables and ensuring robust operation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the laser pointer is rotated to indicate the allocation position of compensating masses, then the laser pointer can indicate different positions on the wheel rim, but mechanical stress on the electrical power cables causes damage or breakage

Engineering Contradiction:

Improveindication capabilityVSAvoidcable durability

Core Design Contradiction:

Adaptability or versatilityVSReliability

Solution Approach 1:

The patent replaces the mechanical cable connection system with an inductive power transfer system. The laser pointer is powered wirelessly through electromagnetic induction between a transmitting circuit fixed to the supporting frame and a receiving circuit integral with the laser pointer, eliminating physical cable connections and their associated mechanical stress during rotation.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent introduces an electromagnetic field as an intermediary to transfer power from the fixed transmitting circuit to the rotating laser pointer. This intermediary enables energy transfer without direct mechanical or electrical connection, allowing the laser pointer to rotate freely without cable constraints.

Inventive Principle:

Principle #24Intermediary (Mediator)

2Use of energy by moving object

If electrical cables are used to power the laser pointer, then the laser pointer can be electrically powered, but the cables are subject to mechanical stress and may break

Engineering Contradiction:

Improvepower supplyVSAvoidmechanical stress

Core Design Contradiction:

Use of energy by moving objectVSObject-affected harmful factors

Solution Approach 1:

The patent substitutes the mechanical cable-based power delivery system with an inductive power transfer system. The transmitting circuit generates an electromagnetic field that induces current in the receiving circuit, providing electrical power to the laser pointer without physical cable connections that would be subjected to mechanical stress during rotation.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

3Use of energy by moving object

If cables are routed to the laser pointer, then the laser pointer can be powered, but the installation becomes complex and time-consuming

Engineering Contradiction:

Improveelectrical powerVSAvoidinstallation simplicity

Core Design Contradiction:

Use of energy by moving objectVSEase of manufacture

Solution Approach 1:

The patent replaces the complex cable routing and connection system with a simplified inductive power transfer system. The transmitting circuit is fixed to the supporting frame and the receiving circuit is integrated with the laser pointer, eliminating the need for intricate cable management and connections during installation.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

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 solution provides a robust and easy-to-install laser pointer operation without cable-related mechanical stress, enhancing the durability and maintenance convenience of the balancing machine.

Implementation Method 1

a wireless electricity transfer system, wherein said energy transfer system is adapted to transfer the electricity provided by an electrical power source to the laser pointer

Methodology Applied

Scientific EffectElectromagnetic Induction: Electromagnetic Induction

Data Source

PatentEP4617634A1Balancing machine

Publication Date: 2025.09.17 CORMACH S R L CORREGGIO MACCHINE

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AI summary

A balancing machine (10) for wheels (15) provided with a rim (20) equipped with a tyre (25) is described, comprising: - a supporting frame (30), - a motor (40) adapted to drive in rotation a shaft (35) rotatably associated with the supporting frame (30) according to a rotation axis and on which the wheel is adapted to be removably mounted integral in rotation with the shaft (35), - a laser pointer (45) configured to indicate on the rim (20) of the wheel (15) an allocation position of a compensating mass, the laser pointer (45) being rotatably associated with the supporting frame (30) with respect to a rotation axis orthogonal to the rotation axis of the shaft (35) and driven around said rotation axis by an actuator (50), said laser pointer (45) being electrically powered by means of a wireless electricity transfer system (85).