Beverage Dispenser Pump Design for Continuous Large-Volume Serving
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Solution Overview
Problem
Existing beverage dispensers face challenges in efficiently serving large volumes of beverages without increasing the size of the brewing chamber, leading to interruptions and extended serving times, especially when delivering to larger cups.
Innovation Solution
A beverage dispenser with a pump arranged along the beverage path that reduces pressure in the fluid receptacle to draw and deliver the beverage, allowing for continuous serving by supplying a predetermined quantity of raw material and water, followed by additional water to compensate for insufficiency, without interrupting the delivery process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If the brewing chamber size is increased to serve large volume beverages, then the beverage volume capacity is improved, but the apparatus size increases
Solution Approach 1:
The brewing process is divided into multiple stages: a first brewing process that fills the cup partially, and a second brewing process that completes the filling. This segmentation allows the brewing chamber to maintain a compact size while still serving large volume beverages through sequential operation.
Solution Approach 2:
The first brewing process performs preliminary action by filling the cup with a predetermined volume of beverage before the second brewing process adds the remaining volume. This preliminary filling enables the system to serve large volumes without requiring a proportionally large brewing chamber.
2Quantity of substance
If the valve mechanism is elevated to supply additional hot water, then the beverage volume is increased, but the delivery process is interrupted
Solution Approach 1:
The system employs periodic action through multiple brewing processes that sequentially add beverage volume. The valve mechanism operates periodically to supply hot water in controlled intervals, maintaining continuous delivery flow while incrementally increasing the total beverage volume served.
3Speed
If the brewing chamber is pressurized to deliver beverage, then the delivery speed is improved, but the cup may be pulled out before delivery completes
Solution Approach 1:
The first brewing process performs preliminary action by delivering a sufficient volume of beverage to the cup before the second brewing process begins. This preliminary filling ensures that the cup contains enough beverage to satisfy the user's needs, reducing the likelihood that the user will remove the cup before the second brewing process completes.
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 the efficient and uninterrupted serving of large volumes of beverages in a shorter time, maintaining a compact brewing chamber size and preventing user errors due to paused delivery.
Implementation Method 1
a pump arranged partway along the beverage path, and that reduces a pressure in the fluid receptacle to draw the beverage from the brewing chamber by suction, and delivers the beverage to the cup
Data Source
AI summary
A beverage dispenser, in which a filter is arranged between the lower end of a brewing chamber and the upper end of a fluid receptacle, and a beverage brewed by supplying a raw material and water to the chamber and filtered by the filter is received in the fluid receptacle, and is thereafter delivered to a cup along a beverage path. The beverage dispenser includes a pump arranged partway along the beverage path, and that reduces a pressure in the fluid receptacle to draw the beverage from the chamber, and delivers it to the cup. A predetermined quantity of the raw material and a first quantity of water are supplied to the chamber, and thereafter, during the delivering of beverage, a second quantity of water is supplied to the chamber, so that without interruption, the beverage is delivered to and served in the cup C.