Adjustable Roof Ventilator Base for Variable Gable Roof Pitches
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Solution Overview
Problem
Existing roof ventilators are not effectively adaptable to gable roofs and often require a large inventory of roof jacks to accommodate various roof slopes and pitches, leading to high costs and potential air leakage due to misfit issues and reduced airflow.
Innovation Solution
An adjustable roof ventilator base with breakable segments allows for angular adjustment to fit over the ridge of a gable roof, enabling easy attachment to existing roofs and maintaining effective airflow without compromising the cross-sectional area, using a simple and ergonomic design that reduces installation time and leakage risks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed roof jack is used for a specific roof pitch, then the installation is simple for that specific pitch, but it cannot accommodate roofs of varying slopes and pitches
Solution Approach 1:
The roof jack is divided into multiple segments including a base section, an adjustable section with breakable segments, and a vent section. The breakable segments can be removed to adjust the angle of the adjustable section, allowing the roof jack to accommodate different roof pitches without requiring a complex mechanical adjustment mechanism.
Solution Approach 2:
The roof jack transitions from a static fixed-angle design to a dynamic adjustable design. The adjustable section can be modified by removing breakable segments to change the angle, enabling the same roof jack to adapt to various roof slopes while maintaining structural integrity.
2Adaptability or versatility
If multiple types of roof jacks are stocked for different roof pitches, then all roof slopes can be accommodated, but inventory costs and storage space increase
Solution Approach 1:
A single model of roof jack with an adjustable section is designed to perform multiple functions by accommodating different roof pitches. The breakable segments allow the same basic unit to be configured for various angles, eliminating the need for suppliers to maintain large inventories of different pitch-specific models.
Solution Approach 2:
The angle parameter of the roof jack is made variable through the breakable segment design. By removing different numbers of segments, the angle of the adjustable section changes, allowing one roof jack design to cover a range of pitch parameters without requiring multiple specialized designs.
3Manufacturing precision
If the roof jack angle is fixed during manufacturing, then manufacturing precision is high for that angle, but misfit occurs when installed on roofs of different pitches
Solution Approach 1:
The breakable segments are pre-formed and positioned on the adjustable section during manufacturing. This preliminary preparation allows for precise fabrication of each segment at the correct angle, while still enabling post-manufacturing adjustment by removing the appropriate number of segments to match the specific roof pitch.
Data Source
AI summary
A roof ventilator mount for mounting a roof ventilator onto a gable-type roof (21), the roof ventilator including a roof ventilator base (10) defining a cupola mounting portion (25) for mounting a cupola (12) thereto, the roof ventilator mount comprising: a first mounting component (26), the first mounting component (26) including a first mounting plate (48) mountable to the roof (21); a second mounting component (26), the second mounting component (26) including a second mounting plate (48) mountable to the roof (21); the first and second mounting components (26) being mountable to the roof ventilator base (10) with proximal edges (47) thereof located substantially adjacent to each other and distal edges (49) thereof located spaced apart from each other; the first and second mounting plates (48) being each provided with a breakable segment (66) extending from the proximal edge (47), the breakable segment (66) being breakable from the remainder of the mounting plate (48) along a predetermined break line located at a predetermined distance from the distal edge (49).