Automatic Downspout Assembly with Tipping Pipe
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Solution Overview
Problem
Existing downspout devices lack an efficient mechanism to automatically rotate into an upright position while ensuring protection from damage and effective precipitation drainage.
Innovation Solution
The design includes an intake pipe fluidly coupled to a gutter, a spout that extends laterally, a stand for support, and a tipping pipe biased into a home position that automatically tips when filled with precipitation, directing it onto the ground, utilizing a counterweight and biasing member to switch between positions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If the downspout is made manually positionable between upright and downward positions, then the device can be controlled for drainage direction, but the device requires manual operation and cannot automatically respond to precipitation conditions
Solution Approach 1:
The downspout device performs positioning operations automatically using its own components (biasing member and weight) without external manual intervention. The system serves itself by using the weight of accumulated precipitation to trigger the positioning action, eliminating the need for human operation while maintaining functional control.
Solution Approach 2:
The manual mechanical positioning system is replaced with an automatic mechanical system that uses a biasing member (spring) and gravitational force from the downspout's own weight to automatically transition between positions based on precipitation accumulation, substituting human mechanical operation with an automated mechanical response system.
2Reliability
If the downspout is positioned upright for protection, then the device is protected from damage by lawn care machinery, but precipitation cannot be effectively directed onto the ground
Solution Approach 1:
The downspout transitions from a static fixed position to a dynamic system that automatically changes position based on operational conditions. The downspout is biased to an upright protective position but can dynamically tip to a drainage position when precipitation weight overcomes the biasing force, allowing the system to adapt between protection and drainage functions.
Solution Approach 2:
The system changes the orientation parameter of the downspout based on the weight parameter of accumulated precipitation. When precipitation weight exceeds the biasing force, the orientation changes from upright to tipped position, automatically adjusting the system state to balance protection and drainage efficiency.
3Extent of automation
If the downspout is automatically tipped by weight of entrained water, then the device can automatically direct precipitation onto ground, but the device cannot return to upright position without manual intervention
Solution Approach 1:
A biasing member (spring) is introduced as a counteracting force to the weight of precipitation. The biasing member stores mechanical energy and exerts a restoring force that automatically returns the downspout to its upright position after precipitation is discharged, creating a balanced system where tipping and returning are both automatic.
Solution Approach 2:
The biasing member is pre-loaded with potential energy before precipitation accumulation begins. This beforehand stored energy acts as a cushioning mechanism that will automatically counterbalance the precipitation weight and return the system to its protective upright position, ensuring the device can reset itself without manual intervention.
4Reliability
If a stand is used to support the intake pipe above ground, then the device is protected from lawn care machinery, but the device requires additional components and increased complexity
Solution Approach 1:
The stand structure is merged with the tipping mechanism components (biasing member, hinge connection). The same structural elements that provide support elevation above ground also serve as the pivot point and mechanical advantage system for the automatic tipping function, combining protection and operational functionality into a single integrated structure.
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
This solution provides an automatic and protective mechanism for downspouts, ensuring effective precipitation drainage and protection from lawn care machinery, with the tipping pipe efficiently directing water onto the ground and returning to a safe position when empty.
Implementation Method 1
A biasing member is attached between the stand and the tipping pipe to bias the tipping pipe into the home position.
Implementation Method 2
The tipping pipe can be urged into a tipped position when the tipping pipe fills with precipitation. In this way the tipping pipe directs the precipitation onto ground.
Data Source
AI summary
An automatic downspout assembly includes an intake pipe that is fluidly coupled to a downspout of a gutter on a building to receive precipitation from the downspout. A spout is rotatably coupled to and extends laterally away from the intake pipe and the spout is in fluid communication with the intake pipe to receive the precipitation. A stand is positionable beneath the intake pipe when the intake pipe is fluidly coupled to the downspout to support the intake pipe above a support surface. A tipping pipe is fluidly coupled to the spout to receive precipitation from the spout. The tipping pipe is biased into a home position and the tipping pipe can be urged into a tipped position when the tipping pipe fills with precipitation. In this way the tipping pipe directs the precipitation onto ground.