Intertwined Helical Birdfeeder Receptacles for High-Density Feeding
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Solution Overview
Problem
Birdfeeders face challenges in attracting a large number of birds in a small spatial footprint, being visually appealing, while also being easy to use and discouraging squirrels from accessing the feed.
Innovation Solution
The design includes multiple feed chambers with a helical or spiral feed flow path, multiple feed ports at different heights, and a squirrel shield assembly to prevent squirrel access, allowing for convenient filling and refilling without compromising bird access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple feed ports are provided to attract a large number of birds, then the bird diversity and feeding capacity are improved, but the device complexity and difficulty of filling/refilling increase
Solution Approach 1:
The birdfeeder is divided into multiple independent feed chambers (first feed chamber, second feed chamber, etc.), each with its own feed ports. This segmentation allows multiple birds to feed simultaneously in different chambers, increasing feeding capacity while keeping each individual chamber simple in structure and easy to fill independently.
Solution Approach 2:
The invention utilizes vertical stacking of feed chambers one above another, transitioning from a horizontal arrangement to a vertical three-dimensional configuration. This allows multiple feed ports to be provided without increasing the horizontal footprint, and each chamber can be filled through its own fill port at the top, maintaining ease of operation while increasing productivity.
2Area of stationary object
If multiple feed chambers are stacked vertically to save space, then the spatial footprint is reduced, but the ease of access for filling becomes more difficult
Solution Approach 1:
Each feed chamber is equipped with its own fill port at the top, allowing independent filling of each chamber. This segmentation means that even though chambers are stacked vertically, each can be accessed and filled separately without requiring access to other chambers, maintaining ease of operation despite vertical stacking.
Solution Approach 2:
The fill ports are positioned at the top of each chamber, allowing feed to be added in advance and distributed downward through the chambers. This preliminary action of filling at the top enables the vertical stacking configuration to work efficiently, as feed is introduced at the highest point and naturally distributes to lower chambers.
3Ease of operation
If feed ports are made accessible to birds, then bird access is improved, but squirrel access and nuisance animal problems worsen
Solution Approach 1:
Different regions of the birdfeeder have different functional qualities: the feed chambers and feed ports are designed with bird-friendly features (open access, appropriate port sizes), while the exterior surfaces and support structures are designed with squirrel-resistant features (smooth surfaces, no perching areas, protective shields). This local differentiation allows bird access to be maintained while preventing squirrel access.
Solution Approach 2:
The invention converts the potential harm of squirrel access into a benefit by designing protective shields and smooth surfaces that not only prevent squirrel access but also create a cleaner, more maintainable structure. The same smooth surfaces that prevent squirrel perching also make the feeder easier to clean and maintain.
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 design effectively attracts a large number of birds in a small space, is visually appealing, and prevents squirrel access, reducing waste and damage while maintaining ease of use.
Implementation Method 1
such that the feed can be added at the fill port and then flow to the feed ports, e.g., under the influence of gravity
Data Source
AI summary
Various birdfeeder designs are provided for flowable bird feed such as seeds or nectar. In one design, the birdfeeder (100) has a housing including first and second receptacles (102 and 104). The receptacles (102 and 104) are intertwined to form a double helical configuration. A large number of feed ports (106) can be distributed across the receptacles (102 and 104) to attract a large number of birds in a small area. Partitions (116) within the receptacles (102 and 104) define a number of feed chambers (118) to supply feed at the feed ports (106).