Tumble Breading System with Vertically Offset Rotary Tumblers
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Solution Overview
Problem
Existing breading machines face a trade-off between efficiency and quality, with rotary drums achieving homestyle breading but sacrificing efficiency due to labor-intensive product separation, while linear machines increase volume but often result in thinly or non-uniformly breaded foods.
Innovation Solution
A tumble breading system with an infeed belt conveying food and breading material into a housing with vertically offset rotary tumblers, allowing the food to be gently tumbled in a wave or curtain of breading material, ensuring uniform coating and reducing labor through efficient transfer and separation of breaded products.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If rotary drums are used to tumble food stuff with breading material, then uniform coating quality is improved, but productivity decreases due to labor-intensive separation and limited batch size
Solution Approach 1:
The patent divides the single large rotary drum into multiple smaller rotary drums arranged in parallel. Each drum processes a portion of the food stuff independently, allowing simultaneous processing of multiple batches. This segmentation maintains the tumbling action needed for uniform coating while increasing overall throughput capacity.
Solution Approach 2:
The patent combines multiple rotary drums into a single integrated system with shared support structures, drive mechanisms, and control systems. The food stuff is distributed across multiple drums that operate simultaneously, merging their individual outputs into a unified processing stream, thereby achieving both quality and productivity goals.
2Manufacturing precision
If multiple conveyor belts are used to flip food stuff, then all sides are exposed to breading material, but food stuff damage increases during dropping
Solution Approach 1:
Instead of dropping food stuff from one conveyor belt to another (top-to-top transfer), the patent uses conveyor belts that transfer food from top-to-bottom or bottom-to-top in a gentler manner. This inverted transfer approach reduces impact forces while still exposing all surfaces to breading material through controlled flipping motions.
Solution Approach 2:
The patent employs dynamically adjustable conveyor belt systems with variable speeds and synchronized movements. The belts can adjust their motion patterns to gently flip and reposition food stuff without excessive dropping or impact, maintaining coating coverage while minimizing damage through controlled, adaptive motion.
3Productivity
If conveyor belts are used to move food through breading process, then productivity increases, but coating uniformity decreases
Solution Approach 1:
The patent segments the continuous conveyor process into discrete zones, each performing a specific function (e.g., initial coating, tumbling, secondary coating, finishing). Food stuff moves through these zones sequentially on conveyors, ensuring each area contributes to uniform coating while maintaining high throughput speed.
Solution Approach 2:
The patent introduces rotary drums as intermediary devices between conveyor belt sections. Food is transferred from conveyors to drums for tumbling and uniform coating, then returned to conveyors for continued transport. This intermediary tumbling action ensures coating consistency while the conveyor system maintains productivity.
4Manufacturing precision
If rotary drums are used for breading, then homestyle coating is achieved, but device complexity increases due to belt slackening and tightening mechanisms
Solution Approach 1:
The patent designs rotary drums that serve multiple functions: they provide the tumbling action for uniform coating, act as mixing chambers for breading material distribution, and function as transfer points between processing zones. This multi-functionality reduces the need for separate specialized mechanisms, simplifying the overall system while maintaining breading quality.
Solution Approach 2:
The patent uses dynamically controllable rotary drums with adjustable speeds and directions. The drums can adapt their rotation patterns based on processing requirements, eliminating the need for complex mechanical slackening and tightening mechanisms while achieving the same tumbling effect for quality breading.
Data Source
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AI summary
A tumble breading system (100) for applying a breading material to a food includes a housing (102) designating an internal clean area(104), and an infeed belt (108) for conveying the breading material and the food, arranged across the infeed belt in an infeed order, into the clean area. A rotary assembly (130) with a plurality of vertically offset, rotating tumblers (128) accepts and tumbles the food with the breading material as the tumblers rotate, to bread the food. An output belt (132) accepts the breaded food from the tumblers and conveys the breaded foods from the clean area and the housing. The food arrives at the output belt in substantially the infeed order.