Cylinder Block Detection Zones for Hydraulic Device Authentication
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Solution Overview
Problem
The challenge is to determine whether a cylinder block used in hydraulic devices is a suitable product or not, as unsuitable products can lead to failure in achieving desired functions, and there is a need for a method to differentiate between suitable and unsuitable products.
Innovation Solution
A cylinder block design featuring a plurality of cylinder chambers with first and second detected portions spaced at different distances on its outer peripheral surface, allowing sensors to output signals at distinct time intervals, enabling the determination of the block's suitability through signal analysis.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a cylinder block is replaced with a compatible product, then mounting compatibility is achieved, but functional reliability cannot be guaranteed
Solution Approach 1:
The patent applies preliminary action by pre-configuring specific detected portions (first and second detected portions) on the cylinder block at predetermined positions before installation. These detected portions generate identification signals that are detected in advance by sensors during the replacement process, allowing the system to verify functional reliability before the cylinder block is fully installed and operational. This prevents the problem of installing incompatible blocks that appear mounting-compatible but fail functionally.
2Measurement precision
If product authentication is implemented through detected portions, then suitability determination is enabled, but device complexity increases
Solution Approach 1:
The patent applies segmentation by dividing the identification system into distinct functional elements: first detected portions and second detected portions positioned at different locations on the cylinder block. Each detected portion generates separate identification signals detected by sensors. This segmented approach enables accurate product authentication through multiple signal verification points while keeping each individual detected portion simple in structure, thereby balancing authentication accuracy with structural simplicity.
Data Source
AI summary
This cylinder block includes: a cylinder block body in which a plurality of cylinder chambers are formed around a rotating shaft; a plurality of first detected portions formed on the outer peripheral surface of the cylinder block body and circumferentially spaced apart from each other at a predetermined first distance; and one or more second detected portions formed on the outer peripheral surface of the cylinder block body and each circumferentially spaced apart from an adjacent one of the plurality of first detected portions at a second distance different from the first distance.