Beverage Brewing Device with Pneumatic Tea-Leaf Basket Lifting

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Solution Overview

Problem

Existing tea brewing devices with fixed tea-leaf baskets are inconvenient for controlling soaking time and maintaining water level, leading to inefficient tea brewing due to the inability to automatically lift and lower the basket.

Innovation Solution

A beverage brewing device with an air cylinder mechanism and air pump that drives the tea-leaf basket up and down, utilizing an electronic pressure relief valve and return spring for controlled movement, resulting in a simple and cost-effective structure.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Extent of automation

If a motor and speed reducer with threaded transmission are used to drive the tea-leaf basket up and down, then the tea-leaf basket can be automatically lifted and lowered, but the structure becomes complex and maintenance costs increase

Engineering Contradiction:
Improveautomatic lifting and lowering of tea-leaf basketVSAvoidcomplexity of transmission mechanism
Core Design Contradiction:
Extent of automationVSDevice complexity

Solution Approach 1:

The patent uses a pneumatic lifting mechanism consisting of an air cylinder and air pump to replace the complex motor-driven threaded transmission system. The air cylinder directly pushes the tea-leaf basket up and down through pneumatic pressure, eliminating the need for motors, speed reducers, and threaded components while achieving the same automatic lifting and lowering function.

Inventive Principle:
Principle #29Pneumatics and hydraulics

2Ease of operation

If the tea-leaf basket position is fixed at the opening of the kettle body, then the structure is simple, but the soaking time cannot be controlled and tea-leaves cannot be easily added or replaced

Engineering Contradiction:
Improveconvenience of controlling soaking time and adding tea-leavesVSAvoidstructure of lifting mechanism
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent implements a pneumatic lifting system with an air cylinder positioned at the opening of the kettle body. This allows the tea-leaf basket to be easily raised to the opening for adding or replacing tea-leaves, and lowered into the water for brewing. The pneumatic mechanism provides simple, reliable movement without complex transmission components.

Inventive Principle:
Principle #29Pneumatics and hydraulics

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Enables convenient control over tea-leaves' soaking time and easy addition/replacement, with a straightforward operation and reduced maintenance costs, enhancing the brewing process.

Implementation Method 1

an air pump is connected to the air cylinder mechanism, and the air pump is used for conveying a driving gas to the air cylinder mechanism

Methodology Applied
Scientific EffectGas compression: Compression

Implementation Method 2

The piston is driven by the driving gas, thereby driving the tea-leaf basket to move in the kettle body

Methodology Applied
Scientific EffectPneumatic actuation: Pressure Increase

Implementation Method 3

the piston is connected to a return spring. The piston is driven by the driving gas to propel the tea-leaf basket to move, and is driven by the return spring to propel the tea-leaf basket to reset

Methodology Applied
Scientific EffectElasticity: Elasticity

Data Source

PatentEP3695753B1Beverage brewing device
Publication Date: 2023.07.12 GUANGDONG XINBAO ELECTRICAL APPLIANCES HLDG CO LTD
  • EP3695753B1 patent drawingFigure 1
  • EP3695753B1 patent drawingFigure 2
  • EP3695753B1 patent drawingFigure 3

AI summary

The present invention relates to the technical field of tea brewing devices, and more particularly, to a beverage brewing device; the beverage brewing device comprising a kettle body, a heating disc and a tea-leaf basket, wherein the heating disc and the tea-leaf basket are located in the kettle body; an air cylinder mechanism is fixed in the kettle body, a moving piston is arranged in the inner cavity of the air cylinder mechanism, and the piston is connected to the tea-leaf basket; the air cylinder mechanism is connected to an air pump, and the air pump is used for conveying a driving gas to the air cylinder mechanism; the piston is driven by the driving gas, thereby driving the tea-leaf basket to move in the kettle body; the present invention adopts an air cylinder mechanism to automatically drive the tea-leaf basket to move up and down, achieving a simple structure and a low cost.