Lever-Actuated Coffee Percolation Chamber for Bulk Grounds
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Solution Overview
Problem
Existing percolation devices for coffee are complex, bulky, and reliant on pod systems, which are expensive, limit grind choices, and pose environmental concerns due to packaging issues, while devices for bulk coffee are not as user-friendly or compact.
Innovation Solution
A percolation device with a lever-based activation member that simplifies the process by allowing a back-and-forth movement to compress coffee grounds, inject pressurized water, and eject used grounds, featuring a compact design with a movable sleeve and compression member to facilitate easy operation and cleaning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a percolation device uses pod systems for coffee grounds, then ease of operation is improved, but device complexity and cost increase while grind choice is limited
Solution Approach 1:
The device separates the coffee grounds storage from the percolation mechanism, allowing bulk coffee to be stored in a container and dispensed into the percolation chamber as needed, rather than requiring pre-packaged pods
Solution Approach 2:
The percolation device is designed to accept various types of coffee grounds (espresso, filter coffee, different grinds) through a universal percolation chamber, eliminating the need for different pod types for different coffee varieties
2Ease of operation
If a percolation device uses pod systems, then ease of operation is improved, but loss of substance increases due to packaging waste
Solution Approach 1:
The device enables recovery and reuse of the percolation chamber components, eliminating the need to discard packaged pods after single use. Bulk coffee grounds can be reused or composted, and the device components remain in use indefinitely
Solution Approach 2:
The invention replaces expensive, disposable pods with inexpensive, reusable components. The percolation chamber and associated parts are designed for repeated use with bulk coffee grounds, eliminating ongoing packaging waste
3Device complexity
If a percolation device for bulk coffee is designed to be simple, then device complexity is reduced, but ease of operation and compactness deteriorate
Solution Approach 1:
The activation member combines multiple functions into a single component: it activates the pump for water delivery, controls the compression member for tamping coffee grounds, and manages the sleeve for securing the chamber. This integration simplifies the device while maintaining ease of operation through a single user action
Solution Approach 2:
The device incorporates automatic features such as the pump that delivers water under pressure without manual intervention, and the compression member that is automatically actuated during the percolation cycle, reducing the operational steps required by the user
4Manufacturing precision
If a percolation device uses motorization and guide grooves for movement control, then precision of movement is improved, but device complexity and volume increase
Solution Approach 1:
The invention replaces complex motorized systems with a simplified mechanical activation mechanism. The activation member uses direct mechanical linkage through the sleeve and compression member to achieve precise movements without requiring motors, guide grooves, or electronic control systems
Solution Approach 2:
The sleeve acts as an intermediary component that transmits the activation force from the activation member to the compression member and secures the percolation chamber. This mechanical intermediary enables precise control of multiple components through a single activation action without requiring complex drive mechanisms
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
The device enables easy, compact, and efficient production of coffee from bulk coffee grounds, offering flexibility in grind choice and reducing environmental impact by eliminating pod packaging, while maintaining high-pressure water injection for optimal coffee production.
Implementation Method 1
the compression member is axially movable between an inlet position and a percolation position in which it is closer to the tamping head than when it is in its inlet position
Implementation Method 2
the activation member is formed by a lever which, in particular during its to-and-fro movement formed by its movement from its intake position to its percolation position then by the reverse movement
Implementation Method 3
in a second step, pressurized water is injected into this chamber producing the drink
Data Source
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AI summary
The present invention relates to a percolation device (1) that comprises a percolation chamber, as well as a base (2) in which the following are provided: an axial discharge outlet (8); a sleeve (3) that is axially movable and which has an axial ejection outlet (16); an axially movable compression surface (18) which, with a packing head (10) axially defining the discharge outlet (8), axially defines the percolation chamber; and a lever (5) for driving, in a differentiated manner, the sleeve (3) and the compression surface (18) such that, when the sleeve (3) is in a position in which it releases from the discharge outlet (8), the grounds, driven out of the sleeve (3) by means of the ejection outlet (16) through the compression surface (18), are in line with the discharge outlet (8).