Brewing Chamber Pressure Release for Easy Pod Opening
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Solution Overview
Problem
The existing beverage making devices face difficulty in easily opening the brewing chamber due to residual pressure after the water supply is terminated, causing perceptible resistance, often due to blockages in the orifice, which can be caused by particles from the brewing substance or damaged pads.
Innovation Solution
Incorporating a pressure release valve in the water supply conduit that opens to relieve pressure from the brewing chamber after water supply cessation, utilizing a membrane that moves between positions to control flow and prevent backflow, allowing excess pressure to escape through a secondary outlet connected to the beverage collection chamber.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the brewing chamber is sealed during brewing to maintain pressure, then the brewing process is effective, but the chamber cannot be opened easily after brewing due to residual pressure
Solution Approach 1:
The pressure release valve performs preliminary action by automatically releasing residual pressure from the brewing chamber after the brewing process completes. The valve opens when pressure exceeds a threshold, allowing pressure to escape through the bypass conduit before the user attempts to open the chamber, thereby eliminating resistance and making opening easy.
Solution Approach 2:
The pressure release valve acts as an intermediary mechanism between the sealed brewing chamber and the external environment. It provides a controlled pathway for pressure release through the bypass conduit, mediating the transition from high-pressure sealed state to low-pressure openable state without requiring direct intervention in the chamber sealing.
2Object-affected harmful factors
If the orifice is blocked by particles or pad debris, then brewing may be affected, but pressure cannot be released and chamber opening becomes difficult
Solution Approach 1:
The pressure release system segments the pressure release pathway from the main brewing flow path. The bypass conduit provides a separate, alternative pathway that bypasses the orifice entirely, allowing pressure release even when the orifice is blocked by particles or debris, thus preventing chamber opening difficulties.
Solution Approach 2:
The pressure release valve and bypass conduit serve as an intermediary pressure relief system that operates independently of the orifice. When the orifice becomes blocked, this intermediary system activates to release pressure through the alternative pathway, preventing the buildup that would otherwise make chamber opening difficult.
3Ease of operation
If a pressure release valve is added to release pressure, then chamber opening becomes easy, but the device complexity increases
Solution Approach 1:
The pressure release valve is merged with the existing water supply system components. The valve is positioned in the water supply conduit, and the bypass conduit integrates with the existing chamber structure, combining multiple functions (pressure release, bypass flow) into existing structural elements rather than adding completely separate components.
Solution Approach 2:
The water supply conduit serves multiple functions: it supplies water during brewing and serves as the pressure release pathway when the valve activates. The bypass conduit similarly serves dual purposes in the overall system architecture, reducing the need for dedicated single-function components and thereby limiting complexity increase.
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
Ensures the brewing chamber can be easily opened by releasing pressure after the brewing process, preventing blockages and ensuring smooth operation without additional openings in the brewing chamber, thus enhancing the usability and efficiency of the device.
Implementation Method 1
a membrane (7, 8) which can move between a first position, in which the orifice (10) is open and backflow of water is prevented, and a second position, in which the orifice (10) is closed and water can flow in the direction of the brewing chamber
Implementation Method 2
means for releasing pressure from the brewing chamber after the water supply to the brewing chamber has been terminated
Data Source
AI summary
A beverage making device comprising a brewing chamber for enclosing a pad containing a substance from which the beverage is brewed. A water supply conduit is present between pumping means and the brewing chamber. The brewing chamber has an outlet having an orifice through which the brewed beverage can leave the brewing chamber. A portion of the wall of the brewing chamber is stationary and the other portion of the wall can move away from the stationary part in order to open the brewing chamber. Means (1) are present for releasing pressure from the brewing chamber after the water supply to the brewing chamber has been terminated.