Insulation Blowing Chute with Shredders for Controlled Expansion
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Solution Overview
Problem
Existing blowing insulation machines are not designed to be safer and easier to use, particularly when handling compressed fiberglass insulation, which expands significantly upon opening, posing challenges in containment and distribution.
Innovation Solution
A machine with a chute designed to match the cross-sectional shape of the insulation bag, featuring a vertical inlet, horizontal longitudinal sides, and shorter vertical lateral sides, equipped with shredders and a discharge mechanism to manage and distribute the insulation efficiently, including a cutting mechanism to open the bag and prevent uncontrolled expansion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If a large chute or hopper is used to contain and feed the blowing insulation, then the insulation can be contained and distributed, but the machine becomes more complex and harder to operate safely
Solution Approach 1:
The chute cross-sectional dimensions are specifically tailored to match the insulation bag dimensions, creating a localized fit that provides containment without requiring an overly large or complex structure. The chute has a cross-section that is wider than the insulation bag to provide containment while avoiding excessive size.
Solution Approach 2:
The chute cross-sectional shape copies or approximates the cross-sectional shape of the insulation bag, allowing the chute to be optimally sized and shaped for its specific purpose rather than using a generic large hopper design.
2Productivity
If the insulation bag is opened and allowed to expand freely, then the insulation can be distributed, but uncontrolled expansion creates safety hazards and handling difficulties
Solution Approach 1:
The chute is designed with predetermined dimensions that will contain the insulation bag during the opening and expansion process. The cross-sectional width is specifically calculated to be wider than the bag, providing a pre-established containment structure that prevents uncontrolled expansion before the insulation is deliberately discharged.
Solution Approach 2:
The chute acts as an intermediary structure between the compressed insulation bag and the final distribution state. It provides a controlled transition environment where the insulation can be opened and prepared for distribution without uncontrolled expansion, mediating between the compressed state and the distributed state.
3Ease of operation
If compressed insulation is handled without proper containment, then handling is simpler, but safety risks increase due to uncontrolled expansion
Solution Approach 1:
The chute provides localized containment specifically where the insulation bag is opened and handled, with cross-sectional dimensions tailored to the bag size. This targeted containment approach provides safety where needed without complicating the overall handling process.
Solution Approach 2:
By copying the bag's cross-sectional shape in the chute design, the containment structure naturally fits the insulation bag, making it easy to insert and handle while providing appropriate containment for safety.
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 machine safely and efficiently distributes compressed insulation by shredding and aerating it, ensuring controlled expansion and easy handling, enhancing user safety and operational ease while maintaining the insulation's integrity.
Implementation Method 1
A plurality of shredders is mounted at the outlet end of the chute and is configured to shred and pick apart the insulation
Implementation Method 2
A discharge mechanism is provided for distributing the insulation into an airstream
Data Source
AI summary
A machine for distributing insulation from a bag of insulation having a cross-sectional shape is provided. The machine includes a chute having an inlet end and an outlet end. The inlet end is oriented in a substantially vertical plane and is configured to receive the bag of insulation. The inlet end has opposing longitudinal sides configured to be substantially horizontal in orientation. The inlet end also has opposing lateral sides connected to the longitudinal sides. The opposing lateral sides are configured to be shorter than the opposing longitudinal sides and further configured to be substantially vertical in orientation. A plurality of shredders is mounted at the outlet end of the chute and is configured to shred and pick apart the insulation. A discharge mechanism is provided for distributing the insulation into an airstream. The chute has a cross-sectional shape that approximates the cross-sectional shape of the bag of insulation.