Adjustable Tank Frame Absorbs Manufacturing Deviations

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Solution Overview

Problem

Manufacturing errors in tank units can lead to local loads on the frame, compromising the structural integrity and durability of the system.

Innovation Solution

A tank unit design featuring a frame with a frame base portion and supporting members that include screw insertion holes and screw holes, allowing for adjustable fastening to absorb positional deviations of tanks, thereby distributing pressure uniformly and preventing local loads.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Stability of the object's composition

If tanks are rigidly fixed to the frame, then structural stability is improved, but manufacturing errors cause local loads and reduce durability

Engineering Contradiction:
Improvestructural stabilityVSAvoiddurability
Core Design Contradiction:
Stability of the object's compositionVSReliability

Solution Approach 1:

The frame is segmented into a frame body and separate supporting members that can independently adjust to tank position variations. Each supporting member is a distinct component that can be positioned and fastened separately, allowing the system to accommodate manufacturing errors in individual tanks without compromising overall structural stability or creating local loads.

Inventive Principle:
Principle #1Segmentation

2Stability of the object's composition

If tanks are tightly secured, then positional stability is improved, but manufacturing deviations cause local stresses

Engineering Contradiction:
Improvepositional stabilityVSAvoidlocal stress
Core Design Contradiction:
Stability of the object's compositionVSStress or pressure

Solution Approach 1:

The supporting members are designed with adjustable positioning capabilities, allowing them to adapt to the actual positions of tanks despite manufacturing deviations. This dynamic adjustment feature enables the frame to maintain positional stability while avoiding the generation of local stresses that would occur with rigid fixed-position mounting.

Inventive Principle:
Principle #15Dynamics

3Ease of manufacture

If uniform fastening is used, then assembly simplicity is improved, but manufacturing errors prevent uniform pressure distribution

Engineering Contradiction:
Improveassembly simplicityVSAvoidpressure distribution
Core Design Contradiction:
Ease of manufactureVSStress or pressure

Solution Approach 1:

The supporting members are designed to provide localized adaptation to tank positions. Each supporting member can be independently adjusted to match the specific position of its corresponding tank, ensuring uniform pressure distribution at each connection point while maintaining overall assembly simplicity through standardized components and procedures.

Inventive Principle:
Principle #3Local quality

Data Source

PatentUS20240310002A1Tank unit
Publication Date: 2024.09.19 HONDA MOTOR CO LTD
  • US20240310002A1 patent drawing
  • US20240310002A1 patent drawing
  • US20240310002A1 patent drawing

AI summary

A tank unit includes a plurality of tanks arranged in parallel and a frame for retaining the tanks. A second frame of the frame has a frame base portion and a plurality of supporting members for supporting the second convex end portions of the tanks. A supporting hole and screw holes are formed in each of the supporting members. Screw insertion holes are formed in the frame base portion. Each of the plurality of supporting members is fastened to the frame base portion by screw members.