WO1994012738A1 - Verbrühschutz für wasserentnahmesysteme mit niederdruckspeicher - Google Patents
Verbrühschutz für wasserentnahmesysteme mit niederdruckspeicher Download PDFInfo
- Publication number
- WO1994012738A1 WO1994012738A1 PCT/EP1993/003180 EP9303180W WO9412738A1 WO 1994012738 A1 WO1994012738 A1 WO 1994012738A1 EP 9303180 W EP9303180 W EP 9303180W WO 9412738 A1 WO9412738 A1 WO 9412738A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- water
- cold water
- water inlet
- low
- molded part
- Prior art date
Links
- 206010053615 Thermal burn Diseases 0.000 title abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 86
- 238000003809 water extraction Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
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
- E03C1/02—Plumbing installations for fresh water
- E03C1/04—Water-basin installations specially adapted to wash-basins or baths
- E03C1/041—Water-basin installations specially adapted to wash-basins or baths having provisions against scalding, e.g. temperature limiting devices, external covers
-
- 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
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1051—Arrangement or mounting of control or safety devices for water heating systems for domestic hot water
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/18—Water-storage heaters
- F24H1/188—Water-storage heaters with means for compensating water expansion
Definitions
- the invention relates to scalding protection for water extraction systems with low pressure storage, the scalding protection consisting of a molded part which has a cold water and a hot water inlet and a mixed water outlet connected to an outlet of a fitting.
- the hot water is pressed into the hose by the deformation receding and the previously removed mixed water drips.
- the valve or valves are reopened, the hot water in the hose emerges first, even if only cold water is desired. Since cold water is expected from the user, the risk of scalding is all the greater.
- the object of the present invention is to improve the water extraction system for low-pressure accumulators in such a way that dripping is reduced and the risk of scalding of the user is reduced will, ie to find scalding protection.
- a pipe connects to the cold water inlet in the molded part, which has a smaller diameter than the cold water inlet and protrudes into that section of the molded part into which the hot water inlet also opens.
- the narrowing of the cold water path increases the speed and dynamic pressure of the cold water.
- the resulting suction effect similar to that in a Venturi tube, creates a negative pressure outside the nozzle-like tube that extends into the water tank, so that little or no excess pressure can develop and the bloat of the water boiler is avoided. This effect is so great when taking mixed water that there is no dripping after the water has been drawn off and when the mixed water pipe is opened for a long time, there is no more unexpected escaping of hot water.
- FIG. 1 shows a sink fitting with a pull-out shower head, as it could be used with a low-pressure accumulator.
- Fig. 2 shows the molded part of the embodiment of Figure 1 according to the invention in section.
- 3 shows the molded part according to the invention in a second embodiment.
- the valve in Fig.1 is fed via a pipe 1 cold water, which is connected on the one hand via a pipe 2 to the low pressure accumulator Senen T-shaped molded part 4 and on the other hand via a tube 3 to the low-pressure accumulator 15.
- the T-shaped molded part 4 located on the low-pressure accumulator 15 is shown in more detail in FIG.
- the molded part 4 has a cold water inlet 5, which is connected to the pipe 2 via a hose 6, a hot water inlet 7, through which the warm water located in the low-pressure reservoir 15 can flow, and a water outlet 10, which is connected to the shower head via a hose 8 9 the valve is connected.
- certain amounts of water flow through the pipes 2 and 3.
- the cold water flows through the pipe 2 via the cold water inlet 5 of the T-shaped molded part 4 into the hose 8.
- a pipe 12 adjoins the cold water inlet 5 and has a smaller diameter than the cold water inlet 5. This increases the speed and dynamic pressure of the incoming cold water.
- Cold water is introduced through the pipe 3 into the low-pressure accumulator 15 and accordingly hot water located therein passes through the hot water inlet 7 into the T-shaped molded part. Due to the hot water withdrawal from the store 15 and the filling with cold water, an overpressure arises in the store 15. With simultaneous cold water withdrawal, however, an increase in the speed and the dynamic pressure of the cold water in the region of the mouth 13 of the tube 12 creates a negative pressure, so that there is a reduction in pressure in the store 15. Fig.
- FIG. 3 shows a molded part according to the invention, as can be used, for example, in the mixer tap of a fitting.
- Cold water enters via a cold water inlet 5 and is fed to a pipe 12 which has a smaller diameter than the cold water inlet 5 and opens into a mixing chamber 14.
- Hot water is supplied to the molded part from the low-pressure dispenser, which enters the molded part through the hot water inlet 7 and is also conducted to the mixing chamber 14.
- the fact that the cold water is passed through the tube 12 increases its speed and its dynamic pressure and at the mouth 13 of the tube 12 in the mixing chamber 14 negative pressure is generated which compensates for the excess pressure created in the storage.
Landscapes
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Health & Medical Sciences (AREA)
- Devices For Dispensing Beverages (AREA)
- Domestic Plumbing Installations (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU54657/94A AU5465794A (en) | 1992-12-01 | 1993-11-12 | Scald-protection device for water-discharge systems with a low-pressure water-storage tank |
DE4396070A DE4396070C1 (de) | 1992-12-01 | 1993-11-12 | Verbrühschutz für Wasserentnahmesysteme mit Niederdruckspeicher |
DE4396070D DE4396070D2 (de) | 1992-12-01 | 1993-11-12 | Verbrühschutz für Wasserentnahmesysteme mit Niederdruckspeicher |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA2373/92 | 1992-12-01 | ||
AT0237392A AT399211B (de) | 1992-12-01 | 1992-12-01 | Verbrühschutz für wasserentnahmesysteme mit niederdruckspeicher |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1994012738A1 true WO1994012738A1 (de) | 1994-06-09 |
Family
ID=3533189
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1993/003180 WO1994012738A1 (de) | 1992-12-01 | 1993-11-12 | Verbrühschutz für wasserentnahmesysteme mit niederdruckspeicher |
Country Status (4)
Country | Link |
---|---|
AT (1) | AT399211B (de) |
AU (1) | AU5465794A (de) |
DE (2) | DE4396070D2 (de) |
WO (1) | WO1994012738A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10108376A1 (de) * | 2001-02-21 | 2002-08-22 | Kludi Armaturen Scheffer Vertr | Sanitäre Niederdruckarmatur |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2388378A3 (de) | 2010-05-22 | 2015-10-07 | Ideal Standard International BVBA | Wasserleitungsarmatur mit einem für Hochdruckeinsatz und Niederdruckeinsatz austauschbar eingerichteten Einsatz |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2804179A1 (de) * | 1978-02-01 | 1979-08-09 | Walter Holzer | Verbruehungsschutz in verbindung mit mischarmaturen |
EP0366971A1 (de) * | 1988-10-29 | 1990-05-09 | STIEBEL ELTRON GmbH & Co. KG | Vorrichtung bei einem Warmwasserbereiter zum Vermeiden des Tropfens |
EP0428318A2 (de) * | 1989-11-13 | 1991-05-22 | British Gas plc | Brauseeinheit |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2829081A1 (de) * | 1978-06-28 | 1980-01-10 | Ideal Standard | Sanitaere wasserarmatur mit schwenkauslauf |
-
1992
- 1992-12-01 AT AT0237392A patent/AT399211B/de not_active IP Right Cessation
-
1993
- 1993-11-12 DE DE4396070D patent/DE4396070D2/de not_active Expired - Lifetime
- 1993-11-12 AU AU54657/94A patent/AU5465794A/en not_active Withdrawn
- 1993-11-12 WO PCT/EP1993/003180 patent/WO1994012738A1/de active Application Filing
- 1993-11-12 DE DE4396070A patent/DE4396070C1/de not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2804179A1 (de) * | 1978-02-01 | 1979-08-09 | Walter Holzer | Verbruehungsschutz in verbindung mit mischarmaturen |
EP0366971A1 (de) * | 1988-10-29 | 1990-05-09 | STIEBEL ELTRON GmbH & Co. KG | Vorrichtung bei einem Warmwasserbereiter zum Vermeiden des Tropfens |
EP0428318A2 (de) * | 1989-11-13 | 1991-05-22 | British Gas plc | Brauseeinheit |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10108376A1 (de) * | 2001-02-21 | 2002-08-22 | Kludi Armaturen Scheffer Vertr | Sanitäre Niederdruckarmatur |
Also Published As
Publication number | Publication date |
---|---|
AU5465794A (en) | 1994-06-22 |
DE4396070D2 (de) | 1996-03-07 |
ATA237392A (de) | 1994-08-15 |
DE4396070C1 (de) | 2003-05-15 |
AT399211B (de) | 1995-04-25 |
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