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SE546895C2 - A drain system and a shower or shower cabin - Google Patents

A drain system and a shower or shower cabin

Info

Publication number
SE546895C2
SE546895C2 SE2251553A SE2251553A SE546895C2 SE 546895 C2 SE546895 C2 SE 546895C2 SE 2251553 A SE2251553 A SE 2251553A SE 2251553 A SE2251553 A SE 2251553A SE 546895 C2 SE546895 C2 SE 546895C2
Authority
SE
Sweden
Prior art keywords
drain system
greywater
drain
shower
inlet
Prior art date
Application number
SE2251553A
Other versions
SE2251553A1 (en
Inventor
Gustav Svensson
Henrik Hagman
Original Assignee
Enduce Ab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Enduce Ab filed Critical Enduce Ab
Priority to SE2251553A priority Critical patent/SE546895C2/en
Priority to CN202380088093.5A priority patent/CN120418511A/en
Priority to EP23837259.3A priority patent/EP4638880A1/en
Priority to PCT/EP2023/087024 priority patent/WO2024133505A1/en
Publication of SE2251553A1 publication Critical patent/SE2251553A1/en
Publication of SE546895C2 publication Critical patent/SE546895C2/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/04—Water-basin installations specially adapted to wash-basins or baths
    • E03C1/0408—Water installations especially for showers
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F5/0407—Floor drains for indoor use
    • E03F5/0408—Floor drains for indoor use specially adapted for showers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D17/00—Domestic hot-water supply systems
    • F24D17/0005—Domestic hot-water supply systems using recuperation of waste heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D21/0001—Recuperative heat exchangers
    • F28D21/0012—Recuperative heat exchangers the heat being recuperated from waste water or from condensates
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C2001/005—Installations allowing recovery of heat from waste water for warming up fresh water
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D17/00—Domestic hot-water supply systems
    • F24D17/0036—Domestic hot-water supply systems with combination of different kinds of heating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2200/00—Heat sources or energy sources
    • F24D2200/16—Waste heat
    • F24D2200/20—Sewage water

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Thermal Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
  • Bathtubs, Showers, And Their Attachments (AREA)

Abstract

The present invention relates to a drain system (30) for recovering thermal energy from a flow of shower or faucet greywater. The drain system (30) comprises a first drain system inlet (32) for receiving greywater; a drain system outlet (136) for discharging greywater to a drain; and a heat exchanger (70) comprising a grey water inlet (72) arranged downstream of the drain system inlet (32), and a grey water outlet (74) arranged upstream of the drain system outlet (136), the heat exchanger being configured to heat a flow of incoming cold water with the greywater flowing from the grey water inlet (72) to the grey water outlet (74). The drain system (30) further comprises a second drain system inlet (133) for receiving greywater; a bypass conduit (138) arranged downstream of the second drain system inlet (133) and upstream of the drain, the by-pass conduit (138) being configured to provide a greywater by-pass of the heat exchanger (70); and an indicator (20, 20’) configured to indicate a flow of greywater bypassing the heat exchanger in the by-pass conduit (138).
SE2251553A 2022-12-22 2022-12-22 A drain system and a shower or shower cabin SE546895C2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE2251553A SE546895C2 (en) 2022-12-22 2022-12-22 A drain system and a shower or shower cabin
CN202380088093.5A CN120418511A (en) 2022-12-22 2023-12-20 Drainage system and shower or shower enclosure
EP23837259.3A EP4638880A1 (en) 2022-12-22 2023-12-20 A drain system and a shower or shower cabin
PCT/EP2023/087024 WO2024133505A1 (en) 2022-12-22 2023-12-20 A drain system and a shower or shower cabin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE2251553A SE546895C2 (en) 2022-12-22 2022-12-22 A drain system and a shower or shower cabin

Publications (2)

Publication Number Publication Date
SE2251553A1 SE2251553A1 (en) 2024-06-23
SE546895C2 true SE546895C2 (en) 2025-03-04

Family

ID=89509080

Family Applications (1)

Application Number Title Priority Date Filing Date
SE2251553A SE546895C2 (en) 2022-12-22 2022-12-22 A drain system and a shower or shower cabin

Country Status (4)

Country Link
EP (1) EP4638880A1 (en)
CN (1) CN120418511A (en)
SE (1) SE546895C2 (en)
WO (1) WO2024133505A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110155366A1 (en) * 2009-12-03 2011-06-30 Joshua Brunn Grey water heat recovery system
EP2703568A1 (en) * 2012-08-28 2014-03-05 Kp1 Heat recovery device for a shower
WO2016083673A1 (en) * 2014-11-28 2016-06-02 Est Energy Save Technologies Oy Heat recovery unit
US20160341490A1 (en) * 2014-01-17 2016-11-24 Joulia Ag Heat exchanger for a shower or bathtub
US20170198982A1 (en) * 2014-05-27 2017-07-13 Recalor Ab Floor drain

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2052698B (en) 1979-03-21 1983-09-21 Burns L Domestic hot water supply
US4619311A (en) 1985-06-28 1986-10-28 Vasile Carmine F Equal volume, contraflow heat exchanger
GB2232749A (en) 1989-05-31 1990-12-19 Matthew Stephen Rutherford Water heaters using waste heat: cleaning heat exchangers
DE29615555U1 (en) 1996-09-06 1996-10-31 Schnells, Rainer, 42799 Leichlingen Shower system
EE04950B1 (en) * 2004-01-29 2008-02-15 Joller J�ri Wastewater treatment system with heat exchanger
GB0624518D0 (en) * 2006-12-08 2007-01-17 Kohler Mira Ltd Ablutionary Installations
WO2014029992A1 (en) * 2012-08-24 2014-02-27 Reaqua Systems Ltd System for the recuperation of heat in grey water
US10633838B2 (en) * 2013-03-05 2020-04-28 Energy Harvesting Tech Device for recovering thermal energy from a flow of waste water
FI20146047A (en) * 2014-11-28 2016-05-29 Est Energy Save Technologies Oy Filter unit for cleaning water
CA2997357C (en) * 2018-03-02 2024-06-25 2078095 Ontario Limited Heat recovery apparatus and method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110155366A1 (en) * 2009-12-03 2011-06-30 Joshua Brunn Grey water heat recovery system
EP2703568A1 (en) * 2012-08-28 2014-03-05 Kp1 Heat recovery device for a shower
US20160341490A1 (en) * 2014-01-17 2016-11-24 Joulia Ag Heat exchanger for a shower or bathtub
US20170198982A1 (en) * 2014-05-27 2017-07-13 Recalor Ab Floor drain
WO2016083673A1 (en) * 2014-11-28 2016-06-02 Est Energy Save Technologies Oy Heat recovery unit

Also Published As

Publication number Publication date
SE2251553A1 (en) 2024-06-23
CN120418511A (en) 2025-08-01
EP4638880A1 (en) 2025-10-29
WO2024133505A1 (en) 2024-06-27

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