FR2775412A1 - Electric heater for immersion in water circulating system - Google Patents

Electric heater for immersion in water circulating system Download PDF

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Publication number
FR2775412A1
FR2775412A1 FR9802190A FR9802190A FR2775412A1 FR 2775412 A1 FR2775412 A1 FR 2775412A1 FR 9802190 A FR9802190 A FR 9802190A FR 9802190 A FR9802190 A FR 9802190A FR 2775412 A1 FR2775412 A1 FR 2775412A1
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FR
France
Prior art keywords
pipe
resistors
tube
immersion
wall
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Granted
Application number
FR9802190A
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French (fr)
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FR2775412B1 (en
Inventor
Francis Guillot
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TECH GESTION PARTICIPATIONS SA
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TECH GESTION PARTICIPATIONS SA
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Application filed by TECH GESTION PARTICIPATIONS SA filed Critical TECH GESTION PARTICIPATIONS SA
Priority to FR9802190A priority Critical patent/FR2775412B1/en
Publication of FR2775412A1 publication Critical patent/FR2775412A1/en
Application granted granted Critical
Publication of FR2775412B1 publication Critical patent/FR2775412B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • 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
    • F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
    • F24H1/101—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using electric energy supply
    • F24H1/102—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using electric energy supply with resistance
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H4/00—Swimming or splash baths or pools
    • E04H4/12—Devices or arrangements for circulating water, i.e. devices for removal of polluted water, cleaning baths or for water treatment
    • E04H4/129—Systems for heating the water content of swimming pools
    • 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
    • H05B3/00—Ohmic-resistance heating
    • H05B3/40—Heating elements having the shape of rods or tubes
    • H05B3/42—Heating elements having the shape of rods or tubes non-flexible
    • 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
    • H05B3/00—Ohmic-resistance heating
    • H05B3/78—Heating arrangements specially adapted for immersion heating
    • H05B3/82—Fixedly-mounted immersion heaters

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Sustainable Development (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)

Abstract

The device includes a tube (3) having hairpin shaped heater elements in it, this tube in the form of a rectangular frame having inlet (5) and outlets (6). The tubes (4) are mounted in collars (2) on a support plate (1) and interconnected at each end by T-pieces (5,6) centrally coupled into the main water conduit. At one end of each tube (4,2) is inserted a sheathed, hairpin-shaped resistive heating element (7), with associated thermostat tube (12) on a mounting disk (9). The latter is clamped in place by a threaded ring (10) and the element is connected (13) to the electrical supply. The elements are steadied in the tubes, and wall contact prevented, by circular spacers (14), each having a central opening to allow fluid flow and 6 holes opening to the periphery, into two of which the element's sheathed legs are clipped.

Description

La présente invention concerne un dispositif de chauffage d'un fluide tel que de l'eau circulant dans le circuit d'alimentation d'une piscine. The present invention relates to a device for heating a fluid such as water circulating in the supply circuit of a swimming pool.

Il est connu, notamment du document GB-A-254028, un dispositif de chauffage comprenant une canalisation en forme de U dont les portions parallèles reçoivent chacune un thermoplongeur électrique. Ce dispositif s'intercale dans une conduite de circuit d'eau et en général s'étend sous le niveau de cette conduite. La hauteur du U étant de l'ordre de 700 à 800 millimètres, il convient de disposer sous la conduite d'un espace suffisant ce qui n' est pas toujours le cas. It is known, in particular from document GB-A-254028, a heating device comprising a U-shaped pipe, the parallel portions of which each receive an electric immersion heater. This device is inserted in a water circuit pipe and in general extends below the level of this pipe. The height of the U being of the order of 700 to 800 millimeters, it is advisable to have a sufficient space under the pipe which is not always the case.

Afin d'augmenter les possibilités d'implantation des dispositifs de chauffage, on propose, selon l'invention, un dispositif de chauffage dont la canalisation a une forme de cadre sensiblement rectangulaire et comprend des moyens de raccordement amont et aval à un circuit de fluide portés par les petits côtés du cadre pour définir deux conduites s'étendant en parallèle, un thermoplongeur étant reçu dans chaque conduite ainsi définie. In order to increase the possibilities of installing heating devices, there is provided, according to the invention, a heating device the pipeline of which has a substantially rectangular frame shape and comprises means of upstream and downstream connection to a fluid circuit. carried by the short sides of the frame to define two pipes extending in parallel, an immersion heater being received in each pipe thus defined.

Le dispositif de chauffage présente ainsi, lorsqu'il est raccordé à la conduite du circuit d'eau, un faible encombrement transversal par rapport à cette conduite. L'implantation du dispositif est de ce fait facilitée. De plus, le dispositif de chauffage peut être raccordé au circuit d'eau de façon à s'étendre horizontalement ou verticalement. Les possibilités d'implantation sont de la sorte accrues. The heating device thus has, when it is connected to the pipe of the water circuit, a small transverse bulk with respect to this pipe. The installation of the device is thereby made easier. In addition, the heating device can be connected to the water circuit so as to extend horizontally or vertically. The possibilities of setting up are thus increased.

Selon une caractéristique particulière de l'invention, pour un dispositif de chauffage dans lequel chaque thermoplongeur comprend un élément support pour sa fixation étanche à la conduite et des résistances allongées ayant une extrémité fixée à l'élément support, le dispositif de chauffage comprend, d'un côté des thermoplongeurs opposé à l'élément support, une entretoise s'étendant entre une paroi de la conduite associée à chaque thermoplongeur et les résistances du thermoplongeur concerné pour maintenir les résistances écartées de la paroi de la conduite. According to a particular characteristic of the invention, for a heating device in which each immersion heater comprises a support element for its tight fixing to the pipe and elongated resistors having one end fixed to the support element, the heating device comprises, d 'one side of the immersion heaters opposite the support element, a spacer extending between a wall of the pipe associated with each immersion heater and the resistors of the immersion heater concerned in order to keep the resistances separated from the wall of the pipe.

De la sorte, les résistances ne peuvent venir au contact de la paroi de la conduite dans laquelle elles sont reçues, et ce quelque soit la position dans laquelle est implanté le dispositif de chauffage. Les résistances ne risquent donc pas de détériorer cette paroi par suite d'un échauffement excessif. In this way, the resistors cannot come into contact with the wall of the pipe in which they are received, and this regardless of the position in which the heating device is installed. The resistors therefore do not risk damaging this wall as a result of excessive heating.

De préférence chaque entretoise est une rondelle pourvue de logements périphériques pour recevoir les résistances, la rondelle prenant appui sur la paroi de la conduite par son pourtour externe. Preferably each spacer is a washer provided with peripheral housings to receive the resistors, the washer bearing on the wall of the pipe by its external periphery.

L'entretoise a ainsi une structure simple la rendant peu coûteuse et facile à fabriquer. The spacer thus has a simple structure making it inexpensive and easy to manufacture.

D'autres caractéristiques et avantages de l'invention ressortiront à la lecture de la description qui suit d'un mode de réalisation particulier non limitatif de l'invention. Other characteristics and advantages of the invention will emerge on reading the following description of a particular non-limiting embodiment of the invention.

Il sera fait référence aux dessins annexés, parmi lesquels
- la figure 1 est une vue en élévation, avec écorché, d'un dispositif de chauffage selon l'invention,
- la figure 2 est une vue de dessus d'une entretoise.Reference will be made to the accompanying drawings, among which
FIG. 1 is an elevation view, with cutaway, of a heating device according to the invention,
- Figure 2 is a top view of a spacer.

En référence aux figures, le dispositif de chauffage selon l'invention comprend une plaque de fixation 1 portant, par l'intermédiaire de colliers 2, une canalisation généralement désignée en 3. With reference to the figures, the heating device according to the invention comprises a fixing plate 1 carrying, by means of collars 2, a pipe generally designated at 3.

La canalisation 3 a une forme de cadre rectangulaire et comprend deux conduites 4 s'étendant en parallèle et formant les grands côtés du cadre. The pipe 3 has a rectangular frame shape and comprises two pipes 4 extending in parallel and forming the long sides of the frame.

Chaque conduite 4 comprend un tube 4.1 dont les extrémités sont respectivement reliées à la portion principal d'un raccord en T 4.2 (formant la barre du T) et à un raccord coudé 4.3. Each pipe 4 comprises a tube 4.1, the ends of which are respectively connected to the main portion of a T-connector 4.2 (forming the bar of the T) and to an elbow connector 4.3.

Les portions perpendiculaires des raccords en T 4.2 (formant les jambes des T) des conduites 4 sont réunies par un organe de raccordement amont 5 et les raccords coudés 4.3 sont réunis par un organe de raccordement aval 6. Les organes de raccordement amont 5 et aval 6 sont formés par des raccords en T. On remarquera que la canalisation 3 est ici symétrique par rapport aux organes de raccordement amont 5 et aval 6. Cette particularité permet d'augmenter les possibilités d'implantation du dispositif de chauffage. The perpendicular portions of the T fittings 4.2 (forming the legs of the T) of the pipes 4 are joined by an upstream connection member 5 and the elbow fittings 4.3 are joined by a downstream connection member 6. The upstream connection members 5 and downstream 6 are formed by T-shaped connections. It will be noted that the pipe 3 is here symmetrical with respect to the upstream 5 and downstream connection members 6. This feature makes it possible to increase the possibilities of installing the heating device.

Les éléments constitutifs de la canalisation 3 sont ici réalisés en polychlorure de vinyle résistant à la chaleur (PVCC), et sont assemblés entre eux par collage. The components of the pipe 3 are here made of polyvinyl chloride heat resistant (PVCC), and are joined together by gluing.

Ces éléments pourraient être réalisés en tout matériau approprié et assemblés par collage, soudure ou autre.These elements could be made of any suitable material and assembled by gluing, welding or other.

Chaque conduite 4 pourrait en outre être réalisée par cintrage d'un tube.Each pipe 4 could also be produced by bending a tube.

Un thermoplongeur généralement désigné en 7 s'étend dans chaque conduite 4. A immersion heater generally designated at 7 extends in each pipe 4.

Chaque thermoplongeur 7 comprend un élément support 9 réalisé sous la forme d'un disque métallique et des résistances 11 en épingle. Les extrémités libres des résistances 11 sont reçues dans des perçages réalisés au travers de l'élément support 9 et sont soudées à celui-ci. Each immersion heater 7 comprises a support element 9 produced in the form of a metal disc and resistors 11 in a pin. The free ends of the resistors 11 are received in holes made through the support element 9 and are welded to the latter.

Un organe de mesure de la température 12, connu en luimême, est fixé de façon analogue à l'élément support 9.A temperature measuring member 12, known in itself, is fixed in a similar manner to the support element 9.

Les résistances 11 et l'organe de mesure 12 sont reliés par un câble électrique 13 à un organe de régulation, non représenté, connecté à une source d'alimentation électrique. The resistors 11 and the measurement member 12 are connected by an electrical cable 13 to a regulating member, not shown, connected to a source of electrical power.

L'organe support 9 de chaque thermoplongeur est mis en appui, par l'intermédiaire d'une bague filetée 10, sur un joint torique 8 reposant sur un épaulement annulaire interne de la portion principale du raccord en T 4.2 correspondant. Les résistances 11 et l'organe de mesure 12 s'étendent dans la portion principale du raccord en T 4.2 et dans le tube 4.1 adjacent. The support member 9 of each immersion heater is supported, by means of a threaded ring 10, on an O-ring 8 resting on an internal annular shoulder of the main portion of the corresponding T-connector 4.2. The resistors 11 and the measuring member 12 extend in the main portion of the T-connector 4.2 and in the adjacent tube 4.1.

Une entretoise s'étend, d'un côté opposé à l'organe support 9 de chaque thermoplongeur 7 entre les résistances 11 et la paroi 4.5 du tube 4.1 pour maintenir un espacement entre les résistances 11 et cette paroi 4.5. A spacer extends, on a side opposite to the support member 9 of each immersion heater 7 between the resistors 11 and the wall 4.5 of the tube 4.1 to maintain a spacing between the resistors 11 and this wall 4.5.

Chaque entretoise est réalisée sous la forme d'une rondelle 14 comprenant des logements périphériques 15 recevant les résistances 11. Les logements périphériques 15 débouchent sur le pourtour externe 16 de la rondelle 14 de façon à faciliter la mise en place de la rondelle 14 sur les résistances 11 lorsque celles-ci sont montées sur l'organe support 9. Les logements périphériques 15 ont de préférence une forme permettant un encliquetage de la rondelle 14 sur chaque résistance, ici un trou cylindrique associé à une fente débouchant sur le pourtour externe, la fente ayant une largeur inférieure au diamètre d'une résistance. En position dans le tube 4.1, les rondelles sont en appui sur la paroi 4.5 des tubes 4.1 par leur pourtour externe 16. La portion des logements 15 non occupée par les résistances 11, et l'ouverture centrale 17 des rondelles 14 permettent la circulation du fluide. Each spacer is produced in the form of a washer 14 comprising peripheral housings 15 receiving the resistors 11. The peripheral housings 15 open on the outer periphery 16 of the washer 14 so as to facilitate the positioning of the washer 14 on the resistors 11 when these are mounted on the support member 9. The peripheral housings 15 preferably have a shape allowing the washer 14 to snap onto each resistor, here a cylindrical hole associated with a slot opening onto the outer periphery, the slot having a width less than the diameter of a resistor. In position in the tube 4.1, the washers are supported on the wall 4.5 of the tubes 4.1 by their outer periphery 16. The portion of the housings 15 not occupied by the resistors 11, and the central opening 17 of the washers 14 allow the circulation of the fluid.

Le dispositif de chauffage selon l'invention est installé par connexion des moyens de raccordement 5 et 6 au circuit de fluide. Cette connexion peut être réalisée par l'intermédiaire de portions filetées / taraudées correspondantes, de raccords rapides, de soudures, de collage ou autre. The heating device according to the invention is installed by connection of the connection means 5 and 6 to the fluid circuit. This connection can be achieved by means of corresponding threaded / tapped portions, quick couplings, welds, bonding or the like.

Le dispositif de chauffage selon l'invention peut être raccordé au circuit de fluide de façon à s'étendre dans une position verticale (telle que représentée à la figure 1) ou dans une position horizontale. La plaque de fixation 1 permet le montage du dispositif de chauffage sur un mur ou sur le sol.  The heating device according to the invention can be connected to the fluid circuit so as to extend in a vertical position (as shown in Figure 1) or in a horizontal position. The fixing plate 1 allows the mounting of the heating device on a wall or on the floor.

Bien entendu, l'invention n'est pas limitée au mode de réalisation qui vient d'être d'écrit, mais englobe au contraire toute variante reprenant, avec des moyens équivalents, ses caractéristiques essentielles.  Of course, the invention is not limited to the embodiment which has just been written, but on the contrary encompasses any variant incorporating, with equivalent means, its essential characteristics.

Claims (3)

REVENDICATIONS 1. Dispositif de chauffage d'un fluide, comprenant une canalisation (3) et des thermoplongeurs (7) logés à l'intérieur de celle-ci, caractérisé en ce que la canalisation (3) a une forme de cadre sensiblement rectangulaire et comprend des moyens de raccordement amont (5) et aval (6) à un circuit de fluide portés par les petits côtés du cadre pour définir deux conduites (4) s'étendant en parallèle, un thermoplongeur (7) étant reçu dans chaque conduite ainsi définie. 1. A device for heating a fluid, comprising a pipe (3) and immersion heaters (7) housed inside the latter, characterized in that the pipe (3) has a substantially rectangular frame shape and comprises upstream (5) and downstream (6) connection means to a fluid circuit carried by the short sides of the frame to define two pipes (4) extending in parallel, an immersion heater (7) being received in each pipe thus defined . 2. Dispositif de chauffage selon la revendication 1, dans lequel chaque thermoplongeur comprend un élément support (9) pour sa fixation étanche à la conduite (4) et des résistances (11) allongées ayant une extrémité fixée à l'élément support, caractérisé en ce qu'il comprend, d'un côté des thermoplongeurs (7) opposé à l'élément support (9), une entretoise (14) s'étendant entre une paroi (4.5) de la conduite (4) associée à chaque thermoplongeur (7) et les résistances (11) du thermoplongeur concerné pour maintenir les résistances (11) écartées de la paroi (4.5) de la conduite. 2. Heating device according to claim 1, in which each immersion heater comprises a support element (9) for its tight fixing to the pipe (4) and elongated resistors (11) having one end fixed to the support element, characterized in what it comprises, on one side of the immersion heaters (7) opposite the support element (9), a spacer (14) extending between a wall (4.5) of the pipe (4) associated with each immersion heater ( 7) and the resistors (11) of the immersion heater concerned in order to keep the resistors (11) separated from the wall (4.5) of the pipe. 3. Dispositif de chauffage selon la revendication 2, caractérisé en ce que chaque entretoise est une rondelle (14) pourvue de logements périphériques (15) pour recevoir les résistances (11), la rondelle (14) prenant appui sur la paroi (4.5) de la conduite (4) par son pourtour externe (16)  3. Heating device according to claim 2, characterized in that each spacer is a washer (14) provided with peripheral housings (15) to receive the resistors (11), the washer (14) bearing on the wall (4.5) of the pipe (4) by its outer periphery (16)
FR9802190A 1998-02-24 1998-02-24 DEVICE FOR HEATING BY THERMOPLONGERS OF A FLUID FLOWING IN A PIPELINE Expired - Fee Related FR2775412B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9802190A FR2775412B1 (en) 1998-02-24 1998-02-24 DEVICE FOR HEATING BY THERMOPLONGERS OF A FLUID FLOWING IN A PIPELINE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9802190A FR2775412B1 (en) 1998-02-24 1998-02-24 DEVICE FOR HEATING BY THERMOPLONGERS OF A FLUID FLOWING IN A PIPELINE

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FR2775412A1 true FR2775412A1 (en) 1999-08-27
FR2775412B1 FR2775412B1 (en) 2000-04-07

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FR9802190A Expired - Fee Related FR2775412B1 (en) 1998-02-24 1998-02-24 DEVICE FOR HEATING BY THERMOPLONGERS OF A FLUID FLOWING IN A PIPELINE

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2910083A4 (en) * 2012-10-19 2016-06-01 Edwards Vacuum Llc Cartridge heater apparatus
CN113923806A (en) * 2015-10-16 2022-01-11 布瑞威利美国公司 Thermal immersion circulator

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE500928C (en) * 1930-06-26 Oskar Brandeis Electric hot water generator
FR2333206A1 (en) * 1975-11-27 1977-06-24 Giraud Gabriel Miniature heating equipment for house - has common housing for central heating and domestic hot water heaters
FR2439367A1 (en) * 1978-10-19 1980-05-16 Stajic Zivojin Low output wall hung central heating boiler - has electric elements in water tubes between headers for robust construction
FR2621992A1 (en) * 1987-10-19 1989-04-21 Psa Sa Electric heating appliance for circulating liquid, particularly for swimming pool water
US4924069A (en) * 1987-11-19 1990-05-08 Teledyne Industries, Inc. Hot water supply for tubs
EP0457234A1 (en) * 1990-05-14 1991-11-21 Domenico Altei Apparatus for changing quickly the temperature of liquid or gaseous fluid
DE19610593A1 (en) * 1996-03-18 1997-09-25 Wastec Ag Heat exchanger for immersion heater

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE500928C (en) * 1930-06-26 Oskar Brandeis Electric hot water generator
FR2333206A1 (en) * 1975-11-27 1977-06-24 Giraud Gabriel Miniature heating equipment for house - has common housing for central heating and domestic hot water heaters
FR2439367A1 (en) * 1978-10-19 1980-05-16 Stajic Zivojin Low output wall hung central heating boiler - has electric elements in water tubes between headers for robust construction
FR2621992A1 (en) * 1987-10-19 1989-04-21 Psa Sa Electric heating appliance for circulating liquid, particularly for swimming pool water
US4924069A (en) * 1987-11-19 1990-05-08 Teledyne Industries, Inc. Hot water supply for tubs
EP0457234A1 (en) * 1990-05-14 1991-11-21 Domenico Altei Apparatus for changing quickly the temperature of liquid or gaseous fluid
DE19610593A1 (en) * 1996-03-18 1997-09-25 Wastec Ag Heat exchanger for immersion heater

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2910083A4 (en) * 2012-10-19 2016-06-01 Edwards Vacuum Llc Cartridge heater apparatus
CN113923806A (en) * 2015-10-16 2022-01-11 布瑞威利美国公司 Thermal immersion circulator
US12058784B2 (en) 2015-10-16 2024-08-06 Breville USA, Inc. Thermal immersion circulator

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Effective date: 20071030