EP1336812A1 - Wärmetauscher, insbesondere als Handtucherwärmer verwendbar - Google Patents
Wärmetauscher, insbesondere als Handtucherwärmer verwendbar Download PDFInfo
- Publication number
- EP1336812A1 EP1336812A1 EP03000711A EP03000711A EP1336812A1 EP 1336812 A1 EP1336812 A1 EP 1336812A1 EP 03000711 A EP03000711 A EP 03000711A EP 03000711 A EP03000711 A EP 03000711A EP 1336812 A1 EP1336812 A1 EP 1336812A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heat exchanger
- outlet
- diffuser conduit
- conduit
- diffuser
- Prior art date
- Legal status (The legal status 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 status listed.)
- Withdrawn
Links
Images
Classifications
-
- 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
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/053—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
- F28D1/05316—Assemblies of conduits connected to common headers, e.g. core type radiators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/026—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
- F28F9/027—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits in the form of distribution pipes
-
- 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
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0035—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for domestic or space heating, e.g. heating radiators
- F28D2021/0036—Radiators for drying, e.g. towel radiators
Definitions
- the present invention relates to a heat exchanger, in particular usable as a towel heater, comprising at least a bank of tubular bodies connected to a delivery manifold that feeds them with a heating fluid.
- the manifold is provided in its interior with a diffuser conduit, in order to assure a substantially equal distribution of the heating fluid inside the tubular bodies.
- heat exchangers are known for heating the space and the laundry, constituted metal tubes traversed by a heating fluid, generally hot water.
- the heat transported by the fluid is transferred to the metallic parts of the tubes and subsequently dispersed into the space and/or transferred to the laundry.
- the quantity of the heat exchanged is a function of the temperature difference existing between the heating fluid and the environment, of the nature of the metal, of the motion of the fluid relative to the walls and of the geometry and dimensions of the exchanger.
- the time necessary for the heat exchanger to reach the steady state temperature, as well as the energy efficiency of the exchanger itself, are an essential factor for users' comfort and a determining one for energy conservation.
- An aim of the present invention is to eliminate the aforesaid drawbacks making available a heat exchanger, in particular usable as a towel heater, with high energy efficiency and able rapidly to reach steady state temperature.
- Another aim of the present invention is to propose a heat exchanger that is economical to produce and can constitute a furnishing element.
- the heat exchanger is globally indicated with the reference number 1 and is preferably made of steel and/or of copper and/or of aluminium.
- the exchanger 1 comprises four banks 2, 3, 4, 5 of tubular bodies 6 connected to a delivery manifold 7 that feeds them with a pressurised heating fluid, preferably hot water with a delivery pressure in the order to 10 bar.
- the manifold 7 is provided in its interior with a diffuser conduit 8, in order to assure a substantially equal distribution of the heating fluid within the tubular bodies 6 of the various banks.
- the diffuser conduit 8 has an outflow mouth or outlet 9 originally inclined relative to a longitudinal axis of the diffuser conduit itself.
- the inclination of the outlet 9 is preferably between about 20° and 60° and the diffuser conduit 8 has a thickness preferably between 0.5 ⁇ 0.2 millimetres and 2.5 ⁇ 0.2 millimetres.
- the diffuser conduit 8 has a substantially circular cross section and therefore the outlet 9, being inclined, assumes a substantially elliptical shape.
- the manifold 7, instead, has a preferably elliptical cross section.
- the diffuser conduit 8 develops inside the manifold 7 for a sufficient length to assure the circulation of the hot water in all the tubular bodies 6 of each bank.
- the hot water flows in the diffuser 8 until arriving in correspondence with the outlet 9, wherefrom it exits and enters a terminal portion of the manifold 7, in such a way as to flow in the tubular bodies 6 more distant from the hot water inflow area.
- the presence of an inclined outlet 9 generates such a fluid dynamic field as to cause the motion of the fluid to transition from laminar to turbulent, thereby allowing a more effective heat exchange between the hot water and the walls of the tubular bodies 6.
- the diffuser conduit 8 has a substantially rectangular cross section that maintains said shape, possibly only more elongated, also in correspondence with the outlet 9.
- the outlet 9, seen in a longitudinal plane parallel to the axis of the diffuser conduit 8, has a double inclination and is substantially shaped as an inverse V.
- the outlet 9 seen in a longitudinal plane parallel to the axis of the conduit is substantially W shaped.
- the four banks 2, 3, 4, 5 are constituted respectively by thirteen, ten, five and five tubular bodies 6.
- the banks 2, 3, 4, 5 are connected to a second manifold 10 for the return of the heating fluid.
- the invention achieves important advantages.
- such a heat exchanger thanks to the high degree of turbulence generated in the heating fluid by the inclined outlet, has a high energy efficiency and is able rapidly to reach the steady state temperature.
- the heat exchanger of the invention is economical to produce and can constitute a furnishing element.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITPR20020002 ITPR20020002U1 (it) | 2002-02-15 | 2002-02-15 | Scambiatore di calore, in particolare utilizzabile come scaldasalviette. |
ITPR20020002 | 2002-02-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1336812A1 true EP1336812A1 (de) | 2003-08-20 |
Family
ID=29416379
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03000711A Withdrawn EP1336812A1 (de) | 2002-02-15 | 2003-01-13 | Wärmetauscher, insbesondere als Handtucherwärmer verwendbar |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1336812A1 (de) |
IT (1) | ITPR20020002U1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2957411A1 (fr) * | 2010-03-09 | 2011-09-16 | Frank Bauwens | Radiateur a circulation de fluide du type seche-serviettes ou analogue |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1155316A (en) * | 1965-11-17 | 1969-06-18 | Zehnder Ag Geb | Improvements in or relating to Radiators for Central Hot-Water Heating Systems. |
FR2479961A3 (fr) * | 1980-04-05 | 1981-10-09 | Sueddeutsche Kuehler Behr | Radiateur pour vehicules automobiles |
EP0564422A1 (de) * | 1992-04-03 | 1993-10-06 | INDUSTRIE PASOTTI S.p.A. | Heizkörper aus Aluminiumlegierung |
BE1007008A3 (nl) * | 1993-04-21 | 1995-02-14 | Vasco Naamloze Vennootschap | Handdoekradiator. |
EP0928939A2 (de) * | 1998-01-09 | 1999-07-14 | N.V. Vasco | Röhrenheizkörper mit innerem Rohr |
DE20113730U1 (de) * | 2001-08-24 | 2001-11-08 | Kermi Gmbh, 94447 Plattling | Rohrheizkörper |
-
2002
- 2002-02-15 IT ITPR20020002 patent/ITPR20020002U1/it unknown
-
2003
- 2003-01-13 EP EP03000711A patent/EP1336812A1/de not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1155316A (en) * | 1965-11-17 | 1969-06-18 | Zehnder Ag Geb | Improvements in or relating to Radiators for Central Hot-Water Heating Systems. |
FR2479961A3 (fr) * | 1980-04-05 | 1981-10-09 | Sueddeutsche Kuehler Behr | Radiateur pour vehicules automobiles |
EP0564422A1 (de) * | 1992-04-03 | 1993-10-06 | INDUSTRIE PASOTTI S.p.A. | Heizkörper aus Aluminiumlegierung |
BE1007008A3 (nl) * | 1993-04-21 | 1995-02-14 | Vasco Naamloze Vennootschap | Handdoekradiator. |
EP0928939A2 (de) * | 1998-01-09 | 1999-07-14 | N.V. Vasco | Röhrenheizkörper mit innerem Rohr |
DE20113730U1 (de) * | 2001-08-24 | 2001-11-08 | Kermi Gmbh, 94447 Plattling | Rohrheizkörper |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2957411A1 (fr) * | 2010-03-09 | 2011-09-16 | Frank Bauwens | Radiateur a circulation de fluide du type seche-serviettes ou analogue |
Also Published As
Publication number | Publication date |
---|---|
ITPR20020002U1 (it) | 2003-08-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT SE SI SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL LT LV MK RO SI |
|
AKX | Designation fees paid | ||
REG | Reference to a national code |
Ref country code: DE Ref legal event code: 8566 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20040221 |