Feeding Wheel Capsule Introduction Centrifugal Transport

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Solution Overview

Problem

Current methods for introducing objects, such as capsules, into a flow of filter material during the manufacture of smoking articles face challenges in reliability and speed, particularly when dealing with crushable or liquid-filled capsules, as they require complex acceleration mechanisms that can damage the objects and limit high-speed processing.

Innovation Solution

A vertically arranged feeding wheel with a central portion for receiving objects from a reservoir, utilizing centrifugal and gravitational forces to transport objects to the peripheral portion for direct introduction into the filter material or transfer to a secondary unit, reducing strain on the objects and enabling high-speed, reliable introduction with minimal mechanical complexity.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If objects are accelerated from a reservoir to the peripheral surface of a fast turning wheel, then high-speed introduction into filter material is achieved, but crushable or liquid filled capsules are damaged due to differential speed and straining forces

Engineering Contradiction:
Improvehigh-speed introductionVSAvoiddamage to capsules
Core Design Contradiction:
ProductivityVSObject-affected harmful factors

Solution Approach 1:

The patent applies preliminary action by pre-accelerating capsules within the rotating wheel itself rather than attempting to throw them onto a fast-turning wheel. The wheel's rotation provides continuous acceleration from the center outward, so capsules are already moving at the appropriate speed when they reach the periphery, eliminating impact damage.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The rotating wheel acts as an intermediary mechanism between the reservoir and the filter material insertion point. Instead of direct acceleration from reservoir to peripheral surface, the wheel provides a gradual acceleration path through its rotation, mediating the speed transition and preventing capsule damage.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Productivity

If complex acceleration mechanisms are used to introduce objects at high speed, then productivity is improved, but device complexity increases and reliability decreases

Engineering Contradiction:
Improvehigh-speed processingVSAvoidacceleration mechanisms
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The system applies self-service by using the rotation of the wheel itself to provide the acceleration mechanism. The wheel's own rotational motion creates the centrifugal force needed to accelerate capsules from the center to the periphery, eliminating the need for separate complex acceleration devices.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent replaces complex mechanical acceleration mechanisms with a simpler rotational system. Instead of using motors, gears, or other mechanical acceleration devices, the system uses the wheel's rotation to naturally accelerate capsules through centrifugal force, substituting a simple mechanical system for a complex one.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

3Productivity

If objects are introduced at very high speed, then manufacturing efficiency is improved, but reliability of object introduction decreases

Engineering Contradiction:
Improvemanufacturing speedVSAvoidreliable introduction of objects
Core Design Contradiction:
ProductivityVSReliability

Solution Approach 1:

The wheel performs preliminary acceleration and positioning of capsules before they are released into the filter material. This preliminary action ensures that capsules are properly oriented and moving at the correct speed when introduced, maintaining reliability even at high manufacturing speeds.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The rotating wheel creates a consistent centrifugal force field that provides uniform acceleration to all capsules regardless of their starting position. This equipotential acceleration ensures reliable and consistent object introduction at high speeds, as each capsule experiences the same physical conditions during acceleration.

Inventive Principle:
Principle #12Equipotentiality

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 solution allows for the reliable and efficient introduction of various objects into the filter material at high speeds, minimizing damage to crushable or liquid-filled capsules by using centrifugal and gravitational forces, thereby enhancing the manufacturing process's efficiency and flexibility.

Implementation Method 1

the objects are transported to the peripheral portion of the feeding wheel with the aid of the centrifugal forces acting on the objects

Methodology Applied
Scientific EffectCentrifugal force: Centrifugal Force

Implementation Method 2

utilizing centrifugal and gravitational forces to transport objects to the peripheral portion

Methodology Applied
Scientific EffectGravity: Gravitation

Data Source

PatentEP3089600B1Apparatus and method for introducing objects into a flow of filter material
Publication Date: 2018.02.14 PHILIP MORRIS PRODUCTS SA
  • EP3089600B1 patent drawingFigure 1~3
  • EP3089600B1 patent drawingFigure 4~7
  • EP3089600B1 patent drawingFigure 8~9

AI summary

The apparatus for introducing objects (1) into a flow of filter material comprises a reservoir for providing objects to be introduced into the flow of filter material, and a feeding wheel (3) for receiving the objects discharged from the reservoir at a central portion (15) of the feeding wheel. The feeding wheel is for transporting the objects through rotation of the feeding wheel from the central portion to a peripheral portion of the feeding wheel, where the objects are transferable for introducing them into the flow of filter material. The feeding wheel is arranged vertically and comprises a plurality of transport channels (4) for transporting the objects. Each transport channel extends from a channel inlet arranged at the central portion of the feeding wheel to a channel outlet (14) arranged at the peripheral portion of the feeding wheel. Several transport channels of the plurality of transport channels are non-radially extending channels. Also disclosed is a unit and method for introducing different kind of objects into a flow of filter material.