Blender having automatically opening and closing cover

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Solution Overview

Problem

Blenders generate noise during operation, require manual cover operation, and lack clear indicators for processing completion, posing safety and convenience issues.

Innovation Solution

A soundproof blender with an automatic cover that automatically opens or closes based on processing completion, preventing noise and ensuring safe, quick container removal.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Object-affected harmful factors

If a soundproof cover is used to block noise, then noise reduction is improved, but manual operation complexity increases and user convenience deteriorates

Engineering Contradiction:
ImprovenoiseVSAvoidmanual cover operation
Core Design Contradiction:
Object-affected harmful factorsVSEase of operation

Solution Approach 1:

The cover opening/closing operation is automated through connection with the food processing operation. The control unit automatically opens the cover when food processing completes or an error occurs, eliminating the need for manual cover operation and improving user convenience while maintaining noise reduction benefits

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The cover is automatically opened in advance before the user needs to access the container. The control unit detects food processing completion or errors and proactively opens the cover, so the user finds the cover already open when approaching the blender, eliminating the need for manual operation

Inventive Principle:
Principle #10Preliminary action

2Object-affected harmful factors

If a soundproof cover is used to block noise, then noise reduction is improved, but device complexity increases

Engineering Contradiction:
ImprovenoiseVSAvoidcover mechanism
Core Design Contradiction:
Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The cover opening/closing function is merged with the food processing control system. The control unit that manages food processing operations also controls the cover actuator, combining multiple functions into a single control system and reducing overall device complexity

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The control unit serves multiple functions: it controls both the food processing operation and the cover opening/closing operation. This multi-functionality reduces the need for separate control systems and simplifies the overall device architecture while maintaining noise reduction capabilities

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

3Object-affected harmful factors

If the cover remains closed during food processing, then noise is blocked, but user safety and convenience deteriorate due to inability to detect processing completion

Engineering Contradiction:
ImprovenoiseVSAvoidprocessing completion status
Core Design Contradiction:
Object-affected harmful factorsVSLoss of information

Solution Approach 1:

The control unit provides feedback to the user about processing completion status. When food processing completes or an error occurs, the control unit automatically opens the cover and can provide visual or audible feedback, ensuring the user receives information about processing status without needing to manually open the cover or listen for completion cues

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The control unit acts as an intermediary between the food processing operation and the user. It monitors processing completion and mediates by automatically opening the cover to communicate status information to the user, eliminating the need for the user to directly observe or listen for completion cues while maintaining noise reduction

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentUS12557944B2Blender having automatically opening and closing cover
Publication Date: 2026.02.24 NUC ELECTRONICS CO LTD
  • US12557944B2 patent drawing
  • US12557944B2 patent drawing
  • US12557944B2 patent drawing

AI summary

Disclosed herein is a soundproof blender having an automatic cover. The blender includes: a main body on which a container receiving a processing object is seated; and a cover disposed to surround at least a portion of the container, wherein the cover automatically opens or closes at least a portion of the container.