Multi-Barrel Weapon Ammunition Feed Guide Alignment

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Solution Overview

Problem

Existing multi-barrel weapons face challenges in ensuring precise and continuous ammunition supply, particularly in maintaining the firing position and preventing tilting of the ammunition belt during feeding, which can lead to downtimes and reduced firing cadence.

Innovation Solution

The integration of parallel guides for the ammunition belt, aligned with the radius of the tube bundle, allows precise guidance into and out of the firing position, enabling continuous firing by rotating the belt link and breech with the barrel assembly, and allowing for decoupling and recoupling of the ammunition system for multiple feeds and different ammunition types.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If a roller breechblock system is used to hold the belt link in firing position, then the ammunition can be fed into the weapon, but the ammunition belt may tilt during feeding causing downtime

Engineering Contradiction:
Improvefiring cadenceVSAvoidcontinuous firing
Core Design Contradiction:
ProductivityVSReliability

Solution Approach 1:

Guides are introduced as intermediary components between the ammunition belt and the roller breechblock system. These guides constrain the belt link during feeding, preventing tilting and ensuring reliable positioning in the firing position, thereby maintaining continuous firing capability

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The guides pre-position and align the ammunition belt before it enters the firing position. By establishing correct orientation and position in advance, the system prevents feeding errors and tilting that would otherwise cause downtime

Inventive Principle:
Principle #10Preliminary action

2Manufacturing precision

If the ammunition belt is guided with parallel guides aligned with the radius of the tube bundle, then precise guidance into firing position is achieved, but the system becomes more complex

Engineering Contradiction:
Improveguidance precisionVSAvoidguide system complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The guide system is segmented into multiple parallel guides rather than a single complex guide structure. This segmentation simplifies individual guide design while achieving precise collective guidance through the coordinated arrangement of multiple simpler components

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The guides are arranged in a radial pattern aligned with the tube bundle radius, utilizing the radial dimension to achieve precise guidance. This dimensional approach converts a potentially complex linear guidance problem into a more manageable radial arrangement

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

3Productivity

If the belt system is fixed to the weapon, then continuous firing is enabled, but the weapon cannot switch between different ammunition types

Engineering Contradiction:
Improvecontinuous firingVSAvoidammunition type flexibility
Core Design Contradiction:
ProductivityVSAdaptability or versatility

Solution Approach 1:

The connection between the belt system and weapon is made dynamic rather than fixed. The belt system can be coupled to enable continuous firing or decoupled to allow ammunition type changes, providing adaptability while maintaining firing continuity when needed

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The belt system can be discarded (decoupled) from the weapon when ammunition type changes are required, and then recovered (recoupled) for continuous firing. This temporary coupling and decoupling enables both continuous operation and ammunition versatility

Inventive Principle:
Principle #34Discarding and recovering

Data Source

PatentEP3346223B1Ammunition feed of a multi-barrel weapon
Publication Date: 2019.07.24 RHEINMETALL WAFFE MUNITION GMBH
  • EP3346223B1 patent drawingFigure 1~2
  • EP3346223B1 patent drawingFigure 3~4
  • EP3346223B1 patent drawingFigure 5~6

AI summary

Starting from a multi-barreled weapon (1) comprising at least two stars (5, 6, 24), it is now proposed that, for the transport of a belt link (13, 20) or the belt links (13.1, 20.1), slots (14, 15, 25) are provided circumferentially in the stars (5, 6, 24) to accommodate at least one guide (16), wherein the geometry of the guide (16) in the area of ​​the firing position (18, 23) is aligned approximately following the radius of the barrel bundle (4).