System for emptying fresh water lines and a fresh water tank of a recreational vehicle and recreational vehicle with such a system

The system addresses the challenge of accessing and emptying fresh water pipes in leisure vehicles by using electrically switchable valves controlled by an SCU for automated, temperature-dependent drainage, ensuring complete and frost-free emptying.

DE102023120079A1Pending Publication Date: 2025-01-30HYMER GMBH & CO KG
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Patent Information

Application Number
DE102023120079
Authority / Receiving Office
DE · DE
Patent Type
Applications
Current Assignee / Owner
Filing Date
2023-07-27
Publication Date
2025-01-30

AI Technical Summary

Technical Problem

Existing systems for emptying fresh water pipes in leisure vehicles, such as motorhomes or caravans, face difficulties in accessibility and complexity, often leading to incomplete drainage and potential frost damage.

Method used

A system with electrically switchable valves (empty reserventiles) directly on the fresh water tank, controlled by an intelligent control unit (SCU), which enables automated and temperature-dependent drainage to prevent frost damage and ensure complete emptying.

Benefits of technology

The system provides reliable, automated, and efficient emptying of fresh water pipes and tanks, preventing frost damage and ensuring complete drainage without user intervention, thus enhancing operational safety and hygiene.

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Abstract

System (1) for draining fresh water lines (4, 5) of a recreational vehicle, in particular a motorhome or caravan, with drain valves (6, 7) arranged on the fresh water lines (4, 5) in such a way that by switching the drain valves (6, 7) into a drain position it is possible to drain the fresh water lines (4, 5) via the drain valves (6, 7), wherein the drain valves (6, 7) are designed as electrically switchable drain valves (6, 7) and wherein a fresh water tank (20) is provided. It is proposed that at least one electrically switchable drain valve (30) be provided directly on the fresh water tank (20) and that by switching the drain valve (30) provided directly on the fresh water tank (20) into a drain position, it is possible to empty the fresh water tank (20) via the drain valve (30).
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Citation Information

Patent Citations

  • System for emptying at least one fresh water line of a recreational vehicle and recreational vehicle with such a system

    DE102021115917A1

  • caravan with a water system

    DE1813815A1