Pneumatic Double-Compression Snack Popping Apparatus
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Solution Overview
Problem
Pneumatic-driven popping machines lack the capability for rapid pressure cycling necessary for a second compression step in producing chip-like snack foods, as they cannot develop sufficient compressive force within the millisecond range required, limiting their ability to produce products with desired texture properties.
Innovation Solution
A double-compression, pneumatic-driven popping apparatus with a control system that independently manages two pneumatic-driven compression cylinders and a compressed gas vessel, allowing for a first compression step followed by a second compression within a few milliseconds, and featuring a controller with timers for customizable dwell times and forces to achieve specific texture properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a pneumatic-driven machine is used for single compression popping, then the machine can operate with simpler pneumatic systems, but it cannot achieve rapid pressure cycling required for double compression within milliseconds
Solution Approach 1:
The system pre-compresses gas into a storage vessel before the popping cycle begins. During the actual popping operation, the pre-compressed gas is rapidly released to drive both compression strokes, eliminating the need to compress atmospheric air during the millisecond-scale operation and enabling rapid pressure cycling while maintaining pneumatic simplicity
Solution Approach 2:
A compressed gas storage vessel acts as an intermediary between the external air compressor and the pneumatic cylinders. This mediator stores compressed gas and provides it rapidly during the double compression process, decoupling the slow gas compression process from the fast compression cycle requirement
2Adaptability or versatility
If atmospheric air is compressed for the second compression step in pneumatic machines, then the system can perform double compression, but the time to develop sufficient compressive force increases to the multi-second range
Solution Approach 1:
Gas compression is performed in advance and stored in a compressed gas vessel before the popping cycle. During the actual double compression process, the pre-compressed gas is simply released and redirected to drive the cylinders, reducing the time to develop compressive force from multi-seconds to milliseconds
Solution Approach 2:
The system dynamically redirects pre-compressed gas between different pneumatic cylinders through controlled valves. The gas flow is dynamically switched to drive the first compression, then rapidly redirected to drive the second compression, enabling fast cycling without the time penalty of recompressing atmospheric air
3Speed
If hydraulic-driven machines are used for double compression, then rapid pressure cycling can be achieved within milliseconds, but the system requires a closed loop hydraulic drive system which is more complex
Solution Approach 1:
The invention uses pneumatic systems with pre-compressed gas storage to achieve rapid pressure cycling previously only available from hydraulic systems. By using stored compressed gas instead of hydraulic fluid, the system maintains pneumatic simplicity while achieving hydraulic-like speed performance
Solution Approach 2:
The pneumatic system pre-compresses and stores gas before operation, analogous to how hydraulic systems pre-pressurize fluid. This preliminary action enables the pneumatic system to respond as rapidly as hydraulic systems during the actual double compression cycle without requiring complex closed-loop hydraulic infrastructure
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 production of chip-like snack foods with customizable texture properties by reducing the time interval between compressions to less than 100 milliseconds, overcoming the limitations of prior art pneumatic machines and achieving texture customization previously not possible.
Implementation Method 1
a pneumatic drive system including a compressed gas vessel, configured to receive and contain compressed gas from a source
Implementation Method 2
a first pneumatic-driven compression cylinder; and a first mold plate coupled to the first pneumatic cylinder and responsive to urging of the first pneumatic cylinder
Data Source
AI summary
There is provided a double-compression, pneumatic-driven popping apparatus for making chip-like snack foods. The apparatus includes a first and second popping machine sections, each having a pneumatic-driven compression cylinder; and a mold plate coupled to the pneumatic cylinder and responsive to urging of the first pneumatic cylinder. A ring mold is located between the first and second machine sections and is subjected to compression by the first mold plate and the second mold plate. The apparatus has a pneumatic drive system including a compressed gas vessel, and a controller configured to control the pneumatic-driven compression cylinders independently through fast-acting control valves. During use, the apparatus applies pneumatic double-compression in a controlled manner such that a time interval between the first and the second compression steps is in the range of milliseconds, to produce a chip-like snack food product.