Modular Engine Shipping Skid With Interchangeable Fixture Plates

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Solution Overview

Problem

Current engine shipping skids are product-specific, leading to excessive redesign or replacement due to limited flexibility in accommodating different products, causing inefficiencies in delivery packaging and shipping methods.

Innovation Solution

A modular shipping skid design featuring a base with alignment members and vertically extending support members, along with interchangeable fixture plates to accommodate engines of varying sizes, allowing a single base to support multiple engine sizes by swapping fixture plates.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If product-specific skids are used, then each skid is optimized for a specific engine model, but excessive redesign or replacement is required when product demands change

Engineering Contradiction:
Improveoptimization for specific engine modelVSAvoidflexibility to accommodate different products
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The skid design incorporates a universal base structure with multiple interchangeable fixture plates that can be swapped to accommodate different engine models. The base includes standardized alignment members and mounting points that work with various fixture plates, allowing a single skid to serve multiple product lines without redesign.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The skid is divided into modular components: a permanent base structure and interchangeable fixture plates. This segmentation allows the fixture plates to be easily swapped while retaining the base, enabling adaptation to different engine models without replacing the entire skid assembly.

Inventive Principle:
Principle #1Segmentation

2Adaptability or versatility

If interchangeable fixture plates are used, then flexibility to accommodate different engine sizes is improved, but device complexity increases due to multiple components

Engineering Contradiction:
Improveflexibility to accommodate different engine sizesVSAvoidnumber of interchangeable components
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

All fixture plates are designed to interface with the same standardized alignment members and mounting points on the base. This universal interface design allows multiple fixture plates to work with a single base structure, reducing the overall system complexity compared to having multiple complete skid assemblies.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Loss of time

If a modular design with interchangeable fixture plates is implemented, then lead times are reduced, but manufacturing complexity increases

Engineering Contradiction:
Improvelead time for skid redesignVSAvoidmanufacturing complexity of modular components
Core Design Contradiction:
Loss of timeVSEase of manufacture

Solution Approach 1:

The skid is divided into a permanent base structure and interchangeable fixture plates. This segmentation allows the fixture plates to be easily swapped while retaining the base, enabling adaptation to different engine models without redesigning or remanufacturing the entire skid assembly.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS12391465B2Modular engine shipping skid
Publication Date: 2025.08.19 CUMMINS INC
  • US12391465B2 patent drawing
  • US12391465B2 patent drawing
  • US12391465B2 patent drawing

AI summary

A modular shipping skid for an engine is provided. The skid includes a base sized to receive an engine thereon, at least one alignment member projecting from the base, and a plurality of vertically extending support members extending from the base. The skid includes a fixture plate having an opening to fit a profile of the at least one alignment member and secure the fixture plate onto the base. The engine is mounted to a fixture on the fixture plate, and different fixture plates are provided with different fixtures to accommodate different sized engines on the same base.