EP2504851A1 - Hybrid thermostat for an electric water heater - Google Patents

Hybrid thermostat for an electric water heater

Info

Publication number
EP2504851A1
EP2504851A1 EP10785095A EP10785095A EP2504851A1 EP 2504851 A1 EP2504851 A1 EP 2504851A1 EP 10785095 A EP10785095 A EP 10785095A EP 10785095 A EP10785095 A EP 10785095A EP 2504851 A1 EP2504851 A1 EP 2504851A1
Authority
EP
European Patent Office
Prior art keywords
water heater
thermostat
electronic card
hybrid
electronic
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.)
Granted
Application number
EP10785095A
Other languages
German (de)
French (fr)
Other versions
EP2504851B1 (en
Inventor
Bernard Roques
David Arphant
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cotherm SA
Original Assignee
Cotherm SA
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 Cotherm SA filed Critical Cotherm SA
Publication of EP2504851A1 publication Critical patent/EP2504851A1/en
Application granted granted Critical
Publication of EP2504851B1 publication Critical patent/EP2504851B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/02—Details
    • H01H37/32—Thermally-sensitive members
    • H01H37/46—Thermally-sensitive members actuated due to expansion or contraction of a solid
    • H01H37/48—Thermally-sensitive members actuated due to expansion or contraction of a solid with extensible rigid rods or tubes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/02—Details
    • H01H37/04—Bases; Housings; Mountings
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B1/00—Details of electric heating devices
    • H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
    • H05B1/0202—Switches
    • H05B1/0213—Switches using bimetallic elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/02—Details
    • H01H37/12—Means for adjustment of "on" or "off" operating temperature

Definitions

  • the present invention relates to a hybrid thermostat that can be installed and connect instead of other conventional thermostats while ensuring the safety of electric water heaters.
  • the hybrid thermostat concerns the market of electric water heaters with "armored” resistance. These water heaters are products on which the imperatives of price are very important and which are intended for a large part for the export (country of the South from Europe, former Eastern Europe, Middle East).
  • the hybrid thermostat according to the present invention comprises an electronic card making it possible to achieve at least 10% energy saving with respect to a water heater equipped with conventional control.
  • the hybrid thermostat according to the present invention comprises a compact structure for receiving an electronic card for the intelligent temperature control and a mechanical part ensuring both the temperature safety function, and the interconnection functions to the water heater and to the power supply and the protection of the whole.
  • the hybrid thermostat according to the present invention comprises connection and fixing means which allow to mount it in place of the usual mechanical thermostat, without modification of the water heater while maintaining the characteristics of robustness at least equivalent to current solutions.
  • the hybrid thermostat comprises a housing provided with a base and a cover respectively having an internal profile for the arrangement of a first part of a thermal safety device provided with a probe of a disk.
  • the hybrid thermostat according to the present invention comprises a base and a cover comprising spaces arranged with respect to each other so as to allow reception of the electronic components of the electronic card (9) while guaranteeing a minimum space-compatible space requirement. limited left to the thermostat under the hood of the water heater.
  • the hybrid thermostat according to the present invention comprises an electronic card which is fixed by welding on four lamellae fixed by riveting on the base of the housing, said lamellae ensuring the electrical connection of said electronic card to the thermal safety device and said lamellae connecting to the terminals with holes.
  • the hybrid thermostat according to the present invention comprises a passive electronic component called "customization” provided with a connection connected to the electronic card and to "recognize” the water heater on which said hybrid thermostat will be installed with respect to a pre-established list of manufacturer's water heater.
  • Figure 1 is a perspective view illustrating the outer profile of the hybrid thermostat according to the present invention.
  • FIGS. 2 and 3 are exploded perspective views showing the various elements constituting the hybrid thermostat according to the present invention.
  • FIGS. 1, 2 and 3 show a hybrid thermostat 1 comprising a housing 2 provided with a base 3 and a cover 4 respectively having an internal profile allowing the arrangement of the same connection interface as that provided for the conventional thermostats.
  • the hybrid thermostat 1 comprises a thermal safety device 5 provided with plugged lamellae 6 for connection to the electrical resistance, and consists of a probe 7 for conduction of the water temperature of the water heater to a metal plate 15 containing a bimetallic disk 8 connected to flexible strips 14 via an insulating plastic part 12.
  • the probe 7 comprises at its end an electronic temperature sensor for the regulation of the temperature and the acquisition of the user's consumption profiles.
  • the hybrid thermostat 1 comprises an electronic card 9 robustly connected to the thermal security device 5 of the water heater to provide control functions, acquisition of consumption profiles and energy saving.
  • the hybrid thermostat 1 comprises in the same positions as on conventional thermostats, an adjustment knob 10, an indicator light 11 indicating the operating state of the water heater and a plastic part 12 allowing the manual reset of the thermal safety device 5 in case of tripping of the thermal safety disc 8.
  • the hybrid thermostat 1 comprises passive electronic component 13 called “customization” represented in the form of a cylinder provided with connections connected to the electronic card 9 and to "recognize” the water heater on which the hybrid thermostat 1 will be installed compared to a pre-established list of manufacturer's water heater.
  • This passive electronic component 13 makes it possible to manage, by manufacturer, only a very small number of complete product references, these being personalized only at the last moment by this passive electronic component 13, whether in the manufacture of water heater or after-sales service.
  • I is a necessary condition for replacing, without modification of the water heater, the old mechanical thermostat by said hybrid thermostat 1 according to the present invention.
  • the hybrid thermostat 1 is made by compacting the densest possible electronic and mechanical components, this to ensure a minimum footprint compatible with the limited space left to the thermostat under the hood of the water heater.
  • the two flexible strips 14 of the thermal safety device are positioned in an area where there are implanted electronic components of low height in opposition.
  • the robustness of the assembly is ensured by the attachment by welding of the electronic card 9 on four strips 16 and 16 bis fixed by riveting on the base 3 of the housing 2 of the hybrid thermostat 1.
  • the two strips 16 provide the electrical connections of the electronic card 9 to the thermal safety device 5.
  • the hybrid thermostat 1 also has two terminals with holes 17 for connecting the water heater to the electrical network. These terminals 17 are also fixed on the base 3 with the strips 16bis and not on the printed circuit for the sake of robustness.

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
  • Resistance Heating (AREA)
  • Cookers (AREA)

Abstract

The invention relates to a hybrid thermostat for an electric water heater, comprising a housing (2) provided with a base (3) and a lid (4), having, respectively, an inner profile enabling the arrangment, firstly, of the elements (6 and 17) connecting the thermostat to the surroundings thereof, secondly of a thermal safety device (5) provided with a probe (7), a bimetallic disc (8), a metal plate (15), an insulator (12), and flexible fingers (14), thirdly, with electronic components of an electronic board (9) enabling the control of temperature regulation of the water heater so as to achieve energy savings, and fourthly with electrical connection means providing the connection between the thermal safety device (5) and the electronic card (9).

Description

THERMOSTAT HYBRIDE POUR CHAUFFE-EAU ELECTRIQUE.  HYBRID THERMOSTAT FOR ELECTRIC WATER HEATER.
La présente invention est relative à un thermostat hybride permettant de venir s'installer et se connecter en lieu et place des autres thermostats classiques tout en assurant la sécurité des chauffe-eau électrique. The present invention relates to a hybrid thermostat that can be installed and connect instead of other conventional thermostats while ensuring the safety of electric water heaters.
Le thermostat hybride concerne le marché des chauffe-eau électriques à résistance dite "blindée ». Ces chauffe-eau sont des produits sur lesquels les impératifs de prix sont très importants et qui sont destinés pour une large part à l'export (pays du Sud de l'Europe, ex pays de l'Est, Moyen - Orient).  The hybrid thermostat concerns the market of electric water heaters with "armored" resistance.These water heaters are products on which the imperatives of price are very important and which are intended for a large part for the export (country of the South from Europe, former Eastern Europe, Middle East).
Le thermostat hybride suivant la présente invention comporte une carte électronique permettant de réaliser au moins 10 % d'économie d'énergie par rapport à un chauffe-eau équipé d'une régulation classique.  The hybrid thermostat according to the present invention comprises an electronic card making it possible to achieve at least 10% energy saving with respect to a water heater equipped with conventional control.
Le thermostat hybride suivant la présente invention comporte une structure compacte permettant de recevoir une carte électronique pour la régulation de température intelligente et une partie mécanique assurant tout à la fois la fonction de sécurité de température, et les fonctions d'interconnexion au chauffe-eau et à l'alimentation électrique et la protection de l'ensemble.  The hybrid thermostat according to the present invention comprises a compact structure for receiving an electronic card for the intelligent temperature control and a mechanical part ensuring both the temperature safety function, and the interconnection functions to the water heater and to the power supply and the protection of the whole.
Le thermostat hybride suivant la présente invention comporte des moyens de connexion et de fixation qui permettent de le monter en lieu et place du thermostat mécanique habituel, sans modification du chauffe-eau tout en conservant les caractéristiques de robustesse au moins équivalentes aux solutions actuelles. The hybrid thermostat according to the present invention comprises connection and fixing means which allow to mount it in place of the usual mechanical thermostat, without modification of the water heater while maintaining the characteristics of robustness at least equivalent to current solutions.
Le thermostat hybride suivant la présente invention comporte un boîtier pourvue d'un socle et d'un couvercle présentant respectivement un profil interne permettant l'agencement d'une première part d'un dispositif de sécurité thermique pourvu d'une sonde d'un disque bimétallique d'une platine métallique d'une pièce isolante des lamelles souples d'une seconde part des composants électroniques d'une carte électronique permettant de piloter la régulation de température du chauffe-eau afin de réaliser des économies d'énergie et d'une troisième part de moyens de raccordement électrique assurant la liaison entre le dispositif de sécurité thermique et la carte électronique. The hybrid thermostat according to the present invention comprises a housing provided with a base and a cover respectively having an internal profile for the arrangement of a first part of a thermal safety device provided with a probe of a disk. bimetallic of a metal plate of an insulating part of the flexible strips of a second part of the electronic components of an electronic card for controlling the temperature control of the water heater to achieve energy savings and a third part of electrical connection means ensuring the connection between the thermal safety device and the electronic card.
Le thermostat hybride suivant la présente invention comporte un socle et un couvercle comprenant des espaces agencés les uns par rapport aux autres de manière à permettre la réception des composants électronique de la carte électronique (9) tout en garantissant un encombrement minimal compatible avec l'espace restreint laissé au thermostat sous le capot du chauffe-eau.  The hybrid thermostat according to the present invention comprises a base and a cover comprising spaces arranged with respect to each other so as to allow reception of the electronic components of the electronic card (9) while guaranteeing a minimum space-compatible space requirement. limited left to the thermostat under the hood of the water heater.
Le thermostat hybride suivant la présente invention comporte une carte électronique qui est fixée par soudure sur quatre lamelles fixées par rivetage sur le socle du boîtier, lesdites lamelles assurant la connexion électrique de ladite carte électronique au dispositif de sécurité thermique et lesdites lamelles assurant la connexion aux bornes à trous. Le thermostat hybride suivant la présente invention comporte un composant électronique passif dit de « personnalisation » munie de connexion relié à la carte électronique et permettant de "reconnaître " le chauffe-eau sur lequel ledit thermostat hybride va être installé par rapport à une liste préétablie de chauffe- eau du constructeur. The hybrid thermostat according to the present invention comprises an electronic card which is fixed by welding on four lamellae fixed by riveting on the base of the housing, said lamellae ensuring the electrical connection of said electronic card to the thermal safety device and said lamellae connecting to the terminals with holes. The hybrid thermostat according to the present invention comprises a passive electronic component called "customization" provided with a connection connected to the electronic card and to "recognize" the water heater on which said hybrid thermostat will be installed with respect to a pre-established list of manufacturer's water heater.
La description qui va suivre en regard des dessins annexés, donnés à titre d'exemples non limitatifs, permettra de mieux comprendre l'invention, les caractéristiques qu'elle présente et les avantages qu'elle est susceptible de procurer :  The following description with reference to the accompanying drawings, given by way of non-limiting examples, will provide a better understanding of the invention, the characteristics it has and the advantages that it is likely to provide:
Figure 1 est une vue en perspective illustrant le profil extérieur du thermostat hybride suivant la présente invention.  Figure 1 is a perspective view illustrating the outer profile of the hybrid thermostat according to the present invention.
Figures 2 et 3 sont des vues en perspective éclaté représentant les différents éléments constituant le thermostat hybride suivant la présente invention. Figures 2 and 3 are exploded perspective views showing the various elements constituting the hybrid thermostat according to the present invention.
On a montré en figures 1 , 2 et 3 un thermostat hybride 1 comportant un boîtier 2 pourvue d'un socle 3 et d'un couvercle 4 présentant respectivement un profil interne permettant l'agencement de la même interface de connexion que celle prévue sur les thermostats classique.  FIGS. 1, 2 and 3 show a hybrid thermostat 1 comprising a housing 2 provided with a base 3 and a cover 4 respectively having an internal profile allowing the arrangement of the same connection interface as that provided for the conventional thermostats.
A cet effet le thermostat hybride 1 comporte un dispositif de sécurité thermique 5 pourvu de lamelles embrochables maies 6 permettant la connexion à la résistance électrique, et constitué d'une sonde 7 permettant la conduction de la température de l'eau du chauffe-eau vers une platine métallique 15 contenant un disque bimétallique 8 relié à des lamelles souples 14 par l'intermédiaire d'une pièce plastique isolante 12.  For this purpose the hybrid thermostat 1 comprises a thermal safety device 5 provided with plugged lamellae 6 for connection to the electrical resistance, and consists of a probe 7 for conduction of the water temperature of the water heater to a metal plate 15 containing a bimetallic disk 8 connected to flexible strips 14 via an insulating plastic part 12.
La sonde 7 comporte à son extrémité un capteur de température électronique pour la régulation de la température et l'acquisition des profils de consommation de l'utilisateur. The probe 7 comprises at its end an electronic temperature sensor for the regulation of the temperature and the acquisition of the user's consumption profiles.
Le thermostat hybride 1 comporte une carte électronique 9 connectée de manière robuste au dispositif de sécurité thermique 5 du chauffe-eau afin d'assurer les fonctions de régulation, d'acquisition de profils de consommation et d'économie d'énergie.  The hybrid thermostat 1 comprises an electronic card 9 robustly connected to the thermal security device 5 of the water heater to provide control functions, acquisition of consumption profiles and energy saving.
Le thermostat hybride 1 comporte dans les mêmes positions que sur les thermostats classiques, un bouton de réglage 10, un voyant lumineux 11 indiquant l'état de fonctionnement du chauffe-eau et une pièce plastique 12 permettant le réarmement manuel du dispositif de sécurité thermique 5 en cas de déclenchement du disque de sécurité thermique 8.  The hybrid thermostat 1 comprises in the same positions as on conventional thermostats, an adjustment knob 10, an indicator light 11 indicating the operating state of the water heater and a plastic part 12 allowing the manual reset of the thermal safety device 5 in case of tripping of the thermal safety disc 8.
Le thermostat hybride 1 comporte composant électronique passif 13 dit de « personnalisation » représenté sous la forme d'un cylindre munie de connexions relié à la carte électronique 9 et permettant de "reconnaître " le chauffe-eau sur lequel le thermostat hybride 1 va être installé par rapport à une liste préétablie de chauffe-eau du constructeur. Ce composant électronique passif 13 permet de ne gérer ,par constructeur, qu'un nombre très réduit de références de produits complets, ceux-ci n'étant personnalisés qu'au dernier moment par ce composant électronique passif 13,que ce soit en fabrication du chauffe-eau ou en SAV . The hybrid thermostat 1 comprises passive electronic component 13 called "customization" represented in the form of a cylinder provided with connections connected to the electronic card 9 and to "recognize" the water heater on which the hybrid thermostat 1 will be installed compared to a pre-established list of manufacturer's water heater. This passive electronic component 13 makes it possible to manage, by manufacturer, only a very small number of complete product references, these being personalized only at the last moment by this passive electronic component 13, whether in the manufacture of water heater or after-sales service.
Le positionnement identique des interfaces dessus-dessous du thermostat hybride The identical positioning of the interfaces above and below the hybrid thermostat
I est une condition nécessaire au remplacement, sans modification du chauffe- eau, de l'ancien thermostat mécanique par ledit thermostat hybride 1 suivant la présente invention. I is a necessary condition for replacing, without modification of the water heater, the old mechanical thermostat by said hybrid thermostat 1 according to the present invention.
Le thermostat hybride 1 est réalisé au moyen d'un compactage le plus dense possible des composants électroniques et mécaniques, ceci afin de garantir un encombrement minimal compatible avec l'espace restreint laissé au thermostat sous le capot du chauffe-eau.  The hybrid thermostat 1 is made by compacting the densest possible electronic and mechanical components, this to ensure a minimum footprint compatible with the limited space left to the thermostat under the hood of the water heater.
Ainsi, les deux lamelles souples 14 du dispositif de sécurité thermique sont positionnées dans une zone où l'on a implanté des composants électroniques de faible hauteur en opposition.  Thus, the two flexible strips 14 of the thermal safety device are positioned in an area where there are implanted electronic components of low height in opposition.
La robustesse de l'ensemble est assurée par la fixation par soudure de la carte électronique 9 sur quatre lamelles 16 et 16 bis fixées par rivetage sur le socle 3 du boîtier 2 du thermostat hybride 1. Les deux lamelles 16 assurent les connexions électriques de la carte électronique 9 au dispositif de sécurité thermique 5.  The robustness of the assembly is ensured by the attachment by welding of the electronic card 9 on four strips 16 and 16 bis fixed by riveting on the base 3 of the housing 2 of the hybrid thermostat 1. The two strips 16 provide the electrical connections of the electronic card 9 to the thermal safety device 5.
Le thermostat hybride 1 comporte également deux bornes à trous 17 permettant le raccordement du chauffe eau au réseau électrique. Ces bornes 17 sont également fixées sur le socle 3 avec les lamelles 16bis et non sur le circuit imprimé par soucis de robustesse.  The hybrid thermostat 1 also has two terminals with holes 17 for connecting the water heater to the electrical network. These terminals 17 are also fixed on the base 3 with the strips 16bis and not on the printed circuit for the sake of robustness.
II doit d'ailleurs être entendu que la description qui précède n'a été donnée qu'a titre d'exemple et qu'elle ne limite nullement le domaine de l'invention dont on ne sortirait pas en remplaçant les détails d'exécution décrits par tous autres  It must also be understood that the foregoing description has been given by way of example only and that it does not limit the scope of the invention which could not be overcome by replacing the described details of execution. by all others
équivalents. equivalents.

Claims

REVENDICATIONS
Thermostat hybride pour chauffe-eau électrique, caractérisé en ce qu'il comporte un boîtier (2) pourvue d'un socle (3) et d'un couvercle (4) présentant respectivement un profil interne permettant l'agencement d'une première part d'un dispositif de sécurité thermique (5) pourvu d'une sonde (7) d'un disque bimétallique (8) d'une platine métallique (15) d'une pièce isolante (12) des lamelles souples (14) d'une seconde part des composants électroniques d'une carte électronique (9) permettant de piloter la régulation de température du chauffe-eau afin de réaliser des économies d'énergie et d'une troisième part de moyens de raccordement électrique assurant la liaison entre le dispositif de sécurité thermique (5) et la carte électronique (9). Hybrid thermostat for electric water heater, characterized in that it comprises a housing (2) provided with a base (3) and a cover (4) respectively having an internal profile allowing the arrangement of a first part a thermal safety device (5) provided with a probe (7) of a bimetallic disk (8) of a metal plate (15) of an insulating piece (12) of the flexible strips (14) of a second part of the electronic components of an electronic card (9) for controlling the temperature control of the water heater to achieve energy savings and a third part of electrical connection means ensuring the connection between the device thermal safety device (5) and the electronic card (9).
Thermostat hybride pour chauffe-eau électrique suivant la revendication 1 , caractérisé en ce que le socle (3) et le couvercle (4) du boîtier (2) comporte des espaces agencés les uns par rapport aux autres de manière à permettre la réception des composants électronique de la carte électronique (9) tout en garantissant un encombrement minimal compatible avec l'espace restreint laissé au thermostat sous le capot du chauffe-eau.  Hybrid thermostat for electric water heater according to Claim 1, characterized in that the base (3) and the cover (4) of the housing (2) have spaces arranged in relation to each other so as to allow the reception of the components electronics of the electronic card (9) while ensuring a minimal space compatible with the restricted space left to the thermostat under the hood of the water heater.
Thermostat hybride pour chauffe-eau électrique suivant la revendication 1 , caractérisé en ce que la fixation par soudure de la carte électronique (9) est réalisée sur quatre lamelles (16 et 16 bis) fixées par rivetage sur le socle (3) du boîtier (2), lesdites lamelles (16) assurant la connexion électrique de ladite carte électronique (9) au dispositif de sécurité thermique (5) et lesdites lamelles (16 bis) assurant la connexion aux bornes à trous (17).  Hybrid thermostat for an electric water heater according to Claim 1, characterized in that the solder connection of the electronic board (9) is carried out on four lamellae (16 and 16a) fixed by riveting on the base (3) of the housing ( 2), said lamellae (16) providing the electrical connection of said electronic card (9) to the thermal safety device (5) and said lamellae (16a) providing connection to the hole terminals (17).
Thermostat hybride pour chauffe-eau électrique suivant la revendication 1 , caractérisé en ce qu'il comporte un composant électronique passif (13) dit de « personnalisation » munie de connexion relié à la carte électronique (9) et permettant de "reconnaître " le chauffe-eau sur lequel ledit thermostat hybride va être installé par rapport à une liste préétablie de chauffe-eau du constructeur.  Hybrid thermostat for electric water heater according to claim 1, characterized in that it comprises a passive electronic component (13) called "personalization" provided with a connection connected to the electronic card (9) and to "recognize" the heater water on which said hybrid thermostat will be installed with respect to a pre-established list of water heater manufacturer.
EP10785095.0A 2009-10-27 2010-10-27 Hybrid thermostat for an electric water heater Active EP2504851B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0905155A FR2951861B1 (en) 2009-10-27 2009-10-27 HYBRID THERMOSTAT FOR ELECTRIC WATER HEATER
PCT/FR2010/000706 WO2011064464A1 (en) 2009-10-27 2010-10-27 Hybrid thermostat for an electric water heater

Publications (2)

Publication Number Publication Date
EP2504851A1 true EP2504851A1 (en) 2012-10-03
EP2504851B1 EP2504851B1 (en) 2014-07-09

Family

ID=42289088

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10785095.0A Active EP2504851B1 (en) 2009-10-27 2010-10-27 Hybrid thermostat for an electric water heater

Country Status (9)

Country Link
EP (1) EP2504851B1 (en)
CN (1) CN102934187B (en)
EG (1) EG26808A (en)
ES (1) ES2507144T3 (en)
FR (1) FR2951861B1 (en)
HK (1) HK1179749A1 (en)
HR (1) HRP20140940T1 (en)
RU (1) RU2559040C2 (en)
WO (1) WO2011064464A1 (en)

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US5046156A (en) 1989-07-25 1991-09-03 Hofsass P Temperature switch with a bimetallic switch mechanism
WO2005104157A1 (en) 2004-04-27 2005-11-03 Elettrotec S.R.L. Bimetallic thermostat with printed circuit interposed between a sensitive thermostatic element and a relay
EP1973392A1 (en) 2007-03-23 2008-09-24 Cotherm Safety and control device for a home electrical appliance
WO2009092668A1 (en) 2008-01-21 2009-07-30 Elettrotec S.R.L. Bimetal thermostat combined with power relay in resin sealed housing

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JP3839744B2 (en) * 2002-04-19 2006-11-01 松下冷機株式会社 thermostat
FR2870985B1 (en) * 2004-05-26 2007-05-18 Cotherm Sa REGULATION THERMOSTAT WITH RETENTION DEVICE
CN2826755Y (en) * 2005-09-05 2006-10-11 郑健生 Wringing type electronic temperature control plug

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3739712A1 (en) 1987-11-24 1989-06-08 Stiebel Eltron Gmbh & Co Kg Temperature switch
US5046156A (en) 1989-07-25 1991-09-03 Hofsass P Temperature switch with a bimetallic switch mechanism
WO2005104157A1 (en) 2004-04-27 2005-11-03 Elettrotec S.R.L. Bimetallic thermostat with printed circuit interposed between a sensitive thermostatic element and a relay
EP1973392A1 (en) 2007-03-23 2008-09-24 Cotherm Safety and control device for a home electrical appliance
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Also Published As

Publication number Publication date
FR2951861A1 (en) 2011-04-29
EP2504851B1 (en) 2014-07-09
HK1179749A1 (en) 2013-10-04
WO2011064464A1 (en) 2011-06-03
CN102934187A (en) 2013-02-13
EG26808A (en) 2014-09-24
HRP20140940T1 (en) 2015-01-02
ES2507144T3 (en) 2014-10-14
FR2951861B1 (en) 2011-11-25
RU2559040C2 (en) 2015-08-10
RU2012126659A (en) 2014-01-20
CN102934187B (en) 2015-09-02

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