Self-Sealing Drain Vent Cover for Vacuum Plumbing

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Traditional plumbing methods require manual sealing of overflow ports during plunging, leading to inefficient obstruction removal and potential sewage overflow, which is unpleasant and hazardous.

Innovation Solution

A self-sealing cover for drain vents that directs pressure to the clog while preventing overflow, using a rigid cover with a flexible seal insert and annular self-sealing mechanism to create a vacuum without constant user input, adaptable to various drain sizes and shapes.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If manual sealing of overflow ports is used during plunging, then the user can maintain a vacuum environment, but the operation becomes complex and requires constant user input

Engineering Contradiction:
Improvevacuum environment maintenanceVSAvoidoperation complexity
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The overflow port cover integrates a self-sealing mechanism that automatically seals the overflow port when drain stopper is depressed, eliminating the need for manual sealing operations. The self-sealing feature maintains the vacuum environment reliably while requiring no constant user input, thus resolving the contradiction between reliability and ease of operation.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The invention combines the overflow port cover and drain stopper into a single integrated assembly where the cover is positioned over the overflow port and the stopper is received within the cover. This merging of components ensures that when the stopper is depressed to create vacuum pressure, the overflow port is simultaneously sealed, maintaining vacuum reliability while simplifying the operation to a single action.

Inventive Principle:
Principle #5Merging (Combining)

2Reliability

If manual sealing of overflow ports is used during plunging, then the vacuum environment can be maintained, but the process becomes time-consuming

Engineering Contradiction:
Improvevacuum environment maintenanceVSAvoidclog removal time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The overflow port cover is pre-positioned over the overflow port before plunging begins. The self-sealing mechanism is pre-configured to automatically seal when the drain stopper is depressed. This preliminary preparation eliminates the time required for manual sealing operations during the plunging process, thus reducing the overall clog removal time while maintaining vacuum reliability.

Inventive Principle:
Principle #10Preliminary action

3Ease of operation

If overflow port is left uncovered during plunging, then the operation is simpler, but sewage may overflow through the port

Engineering Contradiction:
Improveoperation simplicityVSAvoidsewage overflow hazard
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The self-sealing mechanism automatically seals the overflow port when the drain stopper is depressed, eliminating the need for manual sealing operations. This maintains simplicity of operation while preventing sewage overflow through automatic sealing action, thus resolving the contradiction between operational simplicity and safety.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The self-sealing mechanism is designed to preemptively seal the overflow port before sewage can overflow. When the drain stopper is depressed to create vacuum pressure, the self-sealing feature automatically closes the overflow port, preventing any potential sewage backsplash before it can occur, thus eliminating the harmful factor while maintaining operational simplicity.

Inventive Principle:
Principle #9Preliminary anti-action

4Object-affected harmful factors

If a self-sealing cover is used for drain vents, then sewage overflow is prevented, but the device structure becomes more complex

Engineering Contradiction:
Improvesewage overflow preventionVSAvoidcover structure complexity
Core Design Contradiction:
Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The self-sealing cover assembly is divided into distinct functional segments: the overflow port cover portion, the drain stopper component, and the self-sealing mechanism. This segmentation allows each component to be designed and manufactured independently with specific functions, reducing overall structural complexity while maintaining the sewage overflow prevention capability through coordinated operation of the segmented components.

Inventive Principle:
Principle #1Segmentation

5Extent of automation

If a self-sealing mechanism is integrated into the cover, then automatic sealing is achieved, but manufacturing complexity increases

Engineering Contradiction:
Improveautomatic sealing capabilityVSAvoidmanufacturing complexity
Core Design Contradiction:
Extent of automationVSEase of manufacture

Solution Approach 1:

The self-sealing mechanism is extracted as a separate functional component that can be independently manufactured and then integrated into the cover assembly. This extraction allows the sealing mechanism to be produced using specialized manufacturing processes optimized for that specific function, while the main cover structure can be manufactured separately, thus reducing overall manufacturing complexity despite the added automation capability.

Inventive Principle:
Principle #2Taking out (Extraction)

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

Facilitates efficient clog removal by maintaining a vacuum environment and preventing sewage backflow, enhancing user safety and comfort during plumbing operations.

Implementation Method 1

maintaining a vacuum environment

Methodology Applied
Scientific EffectVacuum: Vacuum

Implementation Method 2

flexible seal insert

Methodology Applied
Scientific EffectElasticity: Elasticity

Implementation Method 3

directs pressure to the clog while preventing overflow

Methodology Applied
Scientific EffectPressure differential: Pressure Gradient

Data Source

PatentUS10570593B1Self-sealing drain vent cover
Publication Date: 2020.02.25 PLUMBERS MATE PROD LLC
  • US10570593B1 patent drawing
  • US10570593B1 patent drawing
  • US10570593B1 patent drawing

AI summary

A self-sealing drain vent cover that allows for a vacuum to be created within piping of a plumbing fixture for unclogging purposes. The vent cover includes a rigid cover and a seal insert. The rigid cover includes a first tubular body and a first disk top to yield a closed off structure to support the seal insert. The first disk top is terminally and perimetrically connected to the first tubular body. The seal insert adheres to a surface around an overflow port to enclose said port. The seal insert includes a second tubular body, a second disk top, and an annular self-sealing mechanism. The second disk top is terminally and perimetrically connected to the second tubular body. The seal insert is mounted within the rigid body. The self-sealing mechanism is positioned adjacent to a bottom end of the second tubular body and is concentrically mounted to the second tubular body.