IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0581531
(2004-12-02)
|
등록번호 |
US-8358922
(2013-01-22)
|
우선권정보 |
DE-103 56 790 (2003-12-04) |
국제출원번호 |
PCT/EP2004/053248
(2004-12-02)
|
§371/§102 date |
20070216
(20070216)
|
국제공개번호 |
WO2005/055665
(2005-06-16)
|
발명자
/ 주소 |
|
출원인 / 주소 |
- BSH Bosch und Siemens Hausgeraete GmbH
|
인용정보 |
피인용 횟수 :
6 인용 특허 :
10 |
초록
▼
A fluid heating device is provided that is to be mounted in a continuous flow heater and includes at least one heating element embodied as an electric resistance heater, and at least one heat exchanging element that is connected in a heat-conducting manner to the heating element and the fluid so as
A fluid heating device is provided that is to be mounted in a continuous flow heater and includes at least one heating element embodied as an electric resistance heater, and at least one heat exchanging element that is connected in a heat-conducting manner to the heating element and the fluid so as to transfer the heat generated by the heating element to the fluid. The heat exchanging element forms an integral housing component of a pressure-resistant and temperature-resistant continuous flow heater and is provided with an essentially planar central area on which the heating element is mounted. In order to produce a continuous flow heater, the heating device is joined in a positive, pressure-resistant, and thermally stable manner to a molded part encompassing at least one inlet and at least one outlet so as to form a fluid chamber.
대표청구항
▼
1. A heating device for fluids, the heating device being adapted for mounting to a corresponding part of a continuous flow heater, the heating device comprising: at least one heating element configured as an electric resistance heater;at least one heat exchanging element for the exchange of heat bet
1. A heating device for fluids, the heating device being adapted for mounting to a corresponding part of a continuous flow heater, the heating device comprising: at least one heating element configured as an electric resistance heater;at least one heat exchanging element for the exchange of heat between the heating element and a fluid, the heat exchanging element being connected in a heat-conducting manner to the heating element and the fluid so as to transfer the heat generated by the heating element to the fluid and the heat exchanging element forming an integral housing component of a pressure-resistant and temperature-resistant continuous flow heater and having a substantially planar central area on which the heating element is mounted; andconnection portions arranged at a periphery of the heating device,wherein the heating device is adapted for mounting as an integral unit to the corresponding part to form the continuous flow heater, andthe connection portions are adapted to engage connection parts on the corresponding part to hold the heating device and the corresponding part together. 2. The heating device according to claim 1, wherein the heating element comprises a plurality of electrically interconnected heating sections that substantially cover the entire central area except for a mounting area, the mounting area providing an area for mounting a temperature monitoring device. 3. The heating device according to claim 2, wherein the heating element includes at least one heating circuit through electrical connection of corresponding heating sections. 4. The heating device according to claim 1, wherein the heating element is formed from a material having a positive temperature characteristic (PTC). 5. The heating device according to claim 1 and further comprising a temperature monitoring device disposed on the heat exchanging element that is in good heat-conducting connection with the heat exchanging element. 6. The heating device according to claim 5, wherein the heating element comprises a plurality of electrically interconnected heating sections that substantially cover the entire central area except for a mounting area, the mounting area providing an area for mounting through the heating sections and the temperature monitoring element is disposed in the mounting area adjacent to the heating element. 7. The heating device according to claim 5, wherein the temperature monitoring element is formed by an NTC resistance. 8. The heating device according to claim 1 and further comprising a contacting device disposed on the heat exchanging element that is electrically connected to the electrical elements of the heating element. 9. The heating device according to claim 8, wherein the contacting device is electrically connected to each heating circuit of the heating element and the temperature monitoring device. 10. The heating device according to claim 1, further comprising a connecting element located at a periphery of the heating device, the connecting element being adapted to connect to a corresponding connecting feature of the continuous flow heater, wherein the connecting element does not cross a plane that intersects and is parallel to the central area. 11. The heating device according to claim 1, wherein the connection portions are lugs and the connection parts are hooks. 12. A heating device for fluids, the heating device being adapted for mounting thereof in a continuous flow heater, the heating device comprising: at least one heating element configured as an electric resistance heater; andat least one heat exchanging element for the exchange of heat between the heating element and a fluid, the heat exchanging element being connected in a heat-conducting manner to the heating element and the fluid so as to transfer the heat generated by the heating element to the fluid and the heat exchanging element forming an integral housing component of a pressure-resistant and temperature-resistant continuous flow heater and having a substantially planar central area on which the heating element is mounted,wherein the heat exchanging element consists of a material that exhibits a first thermal conductivity in a first direction in which heat is to flow from the heating element to the fluid and a second thermal conductivity in a second direction perpendicular to the first direction, the first thermal conductivity being greater than the second thermal conductivity. 13. A continuous flow heater comprising: a heating device including: a heating element;at least one heat exchanging element for the exchange of heat between the heating element and a fluid, the heat exchanging element being connected in a heat-conducting manner to the heating element and the fluid so as to transfer the heat generated by the heating element to the fluid, the heat exchanging element forming an integral housing component of a pressure-resistant and temperature-resistant continuous flow heater and having a substantially planar central area on which the heating element is mounted, and the heat exchanging element being in direct contact with the fluid; andconnection portions arranged at a periphery of the heating device; anda molded part separate from the heating device and connected positively to the heating device in a pressure-resistant and thermally stable manner to form a fluid chamber, the molded part having at least one inlet and at least one outlet,wherein the heating device is mounting as an integral unit to the molded part to form the continuous flow heater, andthe connection portions engage connection parts on the molded part to hold the heating device and the molded part together. 14. The continuous flow heater device according to claim 13 and further comprising a temperature monitoring device disposed on the heat exchanging element of the heating device in an area situated close to the inlet in the molded part. 15. The continuous flow heater device according to claim 13, further comprising a mounting area within the central area, the mounting area having a temperature monitoring device mounted therein. 16. The continuous flow heater according to claim 13, wherein the connection portions are lugs and the connection parts are hooks. 17. A method for producing a heating device for fluids, the method comprising the steps of: a. providing a semi-finished product;b. forming a substantially flat heat exchanging element from the semi-finished product having an inner surface and an outer surface and a substantially planar central area;c. applying a heating element embodied as an electrical resistance heater to the central area of the heat exchanging element leaving a mounting area; andd. applying a temperature monitoring device to the mounting area so that the temperature monitoring device is not influenced by the heating element during operation of the continuous flow heater,wherein the semi-finished product has a first thermal conductivity in a first direction in which heat is to flow from the heating element to the fluid and a second thermal conductivity in a second direction perpendicular to the first direction, the first thermal conductivity being greater than the second thermal conductivity. 18. The method according to claim 17, wherein applying a temperature monitoring device to the mounting area includes applying the temperature monitoring device directly to the heat exchanging element. 19. The method according to claim 17 and further comprising applying a contacting device to the heat exchanging element and electrically connecting to the electrical elements of the heating device. 20. The method according to claim 17, wherein the heating element and the temperature monitoring device are applied to the same side of the heat exchanging element. 21. The method according to claim 17, wherein the heating element and the temperature monitoring device together with the contacting device are applied to the outer surface of the heat exchanging element. 22. The method according to claim 17, further comprising providing lugs arranged at a periphery of the heating device, wherein the lugs are adapted for engaging hooks on a corresponding part, the heating device being adapted for mounting as an integral unit to the corresponding part to form a continuous flow heater. 23. A method for producing a continuous flow heater comprising the steps: a. producing a heating device including at least one heating element configured as an electric resistance heater and at least one heat exchanging element for the exchange of heat between the heating element and a fluid, the heat exchanging element being connected in a heat-conducting manner to the heating element and the fluid so as to transfer the heat generated by the heating element to the fluid, the heat exchanging element coming into direct contact with the fluid, and the heat exchanging element forming an integral housing component of a pressure-resistant and temperature-resistant continuous flow heater and having a substantially planar central area on which the heating element is mounted, the heating device having connection portions arranged at a periphery of the heating device;b. producing a molded part separate from the heating device with at least one inlet and at least one outlet, the molded part having connection parts for engaging the connection portions of the heating device to hold the heating device and the molded part together; andc. positively joining the heating device and the molded part so that the assembly is pressure-resistant and thermally stable. 24. The method according to claim 23, wherein joining together the heating device and molded part includes inserting a sealing ring therebetween. 25. The method according to claim 23, further comprising providing a mounting area within the central area, the mounting area having a temperature monitoring device mounted therein. 26. The method according to claim 23, wherein the connection portions are lugs and the connection parts are hooks, and the lugs engage the hooks in the positively joining step. 27. A dishwasher for washing items, the dishwasher comprising: a container for retaining items to be washed;a heating device including: a heating element;at least one heat exchanging element for the exchange of heat between the heating element and a fluid, the heat exchanging element being connected in a heat-conducting manner to the heating element and the fluid so as to transfer the heat generated by the heating element to the fluid, and the heat exchanging element forming an integral housing component of a pressure-resistant and temperature-resistant continuous flow heater and having a substantially planar central area on which the heating element is mounted;a mounting area within the central area;a temperature monitoring device mounted within the mounting area so that the temperature monitoring device is not influenced by the heating element during operation of the continuous flow heater; andconnection portions arranged at a periphery of the heating device: anda corresponding part having connection parts,wherein the heating device is mounting as an integral unit to the corresponding part to form the continuous flow heater, andthe connection portions engage the connection parts on the corresponding part to hold the heating device and the corresponding part together. 28. The dishwasher according to claim 27, wherein the connection portions are lugs and the connection parts are hooks. 29. A dishwasher for washing items, the dishwasher comprising: a container for retaining items to be washed; anda continuous flow heater having a heating device and a molded part, the heating device including a heating element and at least one heat exchanging element for the exchange of heat between the heating element and a fluid, the heat exchanging element being connected in a heat-conducting manner to the heating element and the fluid so as to transfer the heat generated by the heating element to the fluid, the heat exchanging element being in direct contact with the fluid, and the heat exchanging element forming an integral housing component of a pressure-resistant and temperature-resistant continuous flow heater and having a substantially planar central area on which the heating element is mounted, and the molded part being separate from the heating device and connected positively to the heating device in a pressure-resistant and thermally stable manner to form a fluid chamber, the molded part having at least one inlet and at least one outlet,wherein the heating device has connection portions arranged at a periphery of the heating device, andthe molded part has connection parts that engage the connection portions of the heating device to hold the heating device and the molded part together. 30. The dishwasher according to claim 29, further comprising a mounting area within the central area, the mounting area being for mounting a temperature monitoring device. 31. The dishwasher according to claim 29, wherein the connection portions are lugs and the connection parts are hooks, and the heating device and the molded part are positively connected by the lugs engaging the hooks.
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