Piston toilet
The piston flush mechanism in toilets uses minimal water and a reserve tank to ensure efficient waste removal and odor control, addressing high water consumption and malfunction issues in conventional toilets.
US20260152934A1Pending Publication Date: 2026-06-04KOHLER INDIA
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Patent Information
- Application Number
- US19/389747
- Authority / Receiving Office
- US · United States
- Patent Type
- Applications(United States)
- Current Assignee / Owner
- Priority Date
- 2024-11-30
- Filing Date
- 2025-11-14
- Publication Date
- 2026-06-04
AI Technical Summary
Technical Problem
Conventional toilets consume significant amounts of water per flush, typically 3 liters or more, leading to environmental concerns and potential water seal failures during malfunctions.
Method used
A piston flush mechanism utilizing minimal water (approximately 0.9 liters per flush) with a reserve tank to maintain a water seal, ensuring efficient waste removal and odor control, even in case of main valve failures.
Benefits of technology
Significantly reduces water consumption while maintaining effective flushing performance and meeting sanitation standards, providing a sustainable solution for modern toilets.
✦ Generated by Eureka AI based on patent content.
Abstract
A piston flush toilet includes a toilet bowl, a trapway system, a piston mechanism, and a reserve tank. The modified trapway encloses the piston mechanism which propels waste to the outlet with only one liter of water per flush. The reserve tank automatically refills the bowl after each use and configured to maintain the water seal even if the main valve fails, ensuring odor control and efficient waste removal.
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