EP0651202A1 - Dampferzeuger mit elektrisch beheizter Platte - Google Patents

Dampferzeuger mit elektrisch beheizter Platte Download PDF

Info

Publication number
EP0651202A1
EP0651202A1 EP94402463A EP94402463A EP0651202A1 EP 0651202 A1 EP0651202 A1 EP 0651202A1 EP 94402463 A EP94402463 A EP 94402463A EP 94402463 A EP94402463 A EP 94402463A EP 0651202 A1 EP0651202 A1 EP 0651202A1
Authority
EP
European Patent Office
Prior art keywords
housing
steam generator
heating plate
central
generator according
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
EP94402463A
Other languages
English (en)
French (fr)
Other versions
EP0651202B1 (de
Inventor
Claude Brenot
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0651202A1 publication Critical patent/EP0651202A1/de
Application granted granted Critical
Publication of EP0651202B1 publication Critical patent/EP0651202B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B1/00—Methods of steam generation characterised by form of heating method
    • F22B1/28—Methods of steam generation characterised by form of heating method in boilers heated electrically
    • F22B1/288—Instantaneous electrical steam generators built-up from heat-exchange elements arranged within a confined chamber having heat-retaining walls

Definitions

  • the present invention relates to a tray steam generator comprising a housing defining a vapor recovery cavity and incorporating a first fixed tray equipped with an electrical heating resistor, a second movable tray maintained applied against a first main face of the first plate by elastic return means, means for introducing pressurized water into the interface between the first fixed heating plate and the second movable plate and means for evacuating the vapor formed instantaneously at the interface between the first and second trays and introduced into the vapor recovery cavity from the peripheral part of the trays.
  • the present invention aims to remedy the aforementioned drawbacks and to produce an improved tray steam generator which on the one hand is more compact than existing steam generators and on the other hand has a higher efficiency than that of steam generators of the type described above.
  • the invention also aims to produce a simple manufacturing steam generator whose operation is safe and free from vibrations and whose maintenance costs are reduced.
  • a tray steam generator comprising a housing defining a vapor recovery cavity and incorporating a first fixed tray equipped with an electrical resistance of heating, a second mobile plate kept applied against a first main face of the first plate by elastic return means, means for introducing pressurized water into the interface between the first fixed heating plate and the second mobile plate and means for evacuating the vapor formed instantaneously at the interface between the first and second plates and introduced into the vapor recovery cavity from the peripheral part of the plates, characterized in that the vapor recovery cavity is located between a second main face of the first heating plate and a first profiled part of the housing so as to create a secondary system of additional evaporation by projection of the vapor flow from the interface between the two plates towards the second main face of the first heating plate.
  • the two main faces of the heating plate contribute to the production of steam and the yield is improved due to a process of in two stages.
  • Main evaporation is carried out in a known manner by injecting pressurized water into the center of the steam generator, at the interface between the fixed heating plate and the mobile evaporator plate kept applied against the heating plate by the means of elastic reminder.
  • the primary vapor flow created at the interface between the plates, and the residual water droplets contained in this flow are returned to an annular free space outside the plates and then projected onto the second face. of the heating plate in order to create a complementary secondary evaporation system which contributes to ensuring the evaporation of all of the residual droplets from the main evaporation phase and reduces all of the heat losses, in particular by radiation.
  • the movable plate projects beyond the periphery of the fixed plate and has a peripheral edge raised in the direction of the first part of the housing to cause an accelerated flow of the vapor towards the vapor recovery cavity.
  • the first profiled part of the housing comprises at its peripheral part a part in the form of a torus portion with a large radius of curvature to receive the flow of vapor returned to the cavity. vapor recovery and direct it towards said second main face of the first heating plate.
  • Residual water droplets can be effectively retained on the heating plate if the first heating plate has a peripheral rib on its second main face.
  • the internal face of the first profiled part of the housing and the second main face of the first heating plate are provided with ribs constituting a network of baffles.
  • the first fixed heating plate has on its second main face a central tubular projecting part in the form of a chimney which is sealed in a corresponding tubular part formed on the internal face of the first profiled part of the housing. .
  • the first heating plate is in contact with the housing exclusively by its central tubular projecting part, the ends of the electrical heating resistor are connected through the central tubular part of the first heating plate and a thermostat is also disposed on the first heating plate inside said central tubular projection.
  • the raised peripheral edge of the movable plate is slightly offset towards the inside with respect to the first profiled part of the housing and has a radial clearance with respect to the second part of the housing. This helps to facilitate separation of the vapor flow from the wall of the housing.
  • the means for introducing pressurized water comprise a central nozzle formed in a second part of the housing and a central channel formed in the second movable plate perpendicular to the interface between the first and second plates.
  • the steam generator comprises a telescopic shock-absorbing seal disposed between the second movable plate and the second part of the housing, and the telescopic shock-absorbing seal comprises a tubular projection formed around said central channel, a tubular guide formed on the internal face of the second part of the housing coaxially with respect to the central nozzle and said tubular projection, and a seal interposed between said tubular projection and the guide tubular.
  • said elastic return means comprise a single central coil spring of frustoconical shape interposed between the internal face of the second part of the housing and the second movable plate.
  • the first and second plates can be made of aluminum while the housing can itself be made either from a metallic material such as aluminum, or from a plastic material, since the heating plate may not be in contact with the housing only in a well-circumscribed central zone which can be fitted with a seal and, where appropriate, an insulating material.
  • the production cost can then be reduced and the weight and the volume of the steam generator can also be lower than for known steam generators of equivalent power.
  • the first heating plate comprises a central part separated from a peripheral part by lights distributed in an annular manner, the central part and the peripheral part are connected by at least one radial connection bridge and the resistance electrical is arranged in the central part with lateral connection outlets passing through the peripheral part at the level of a radial connection bridge.
  • the contacts between the heating plate and the housing can also be minimized.
  • the means for introducing pressurized water comprise a central nozzle formed in the first part of the housing and a central channel formed in the first fixed plate perpendicular to the interface between the first and second trays.
  • Such a steam generator essentially comprises a heating plate 3 constituted by a disc-shaped body 30 which can be made for example of aluminum, and in which is integrated for example by overmolding, an electrical resistance 4 which can be placed essentially in a plane median parallel to the main faces 3A, 3B of the plate 3.
  • the heating plate 3 has on its upper main face 3B a central tubular projecting part 31 in the form of a chimney which is fitted into a corresponding tubular projecting part 11 formed on the internal face of a cover. 1 constituting the part upper part of a two-part casing 1, 2.
  • a gasket 32 possibly associated with a layer of thermally insulating material, is interposed between the chimney 31 and the tubular part 11.
  • the plate 3 is thus exclusively fixed to the housing 1, 2 by its central chimney 31 and has a peripheral part which provides a free space with the lateral face of the housing 1, 2.
  • the end branches 41, 42 of the electrical resistance 4 are themselves arranged in a plane perpendicular to the mean plane of the plate 3 and can be connected to an electrical power source through the chimney 31.
  • the electrical resistance 4 can itself have various forms.
  • FIG. 5 shows an electrical resistance 4 in the shape of an eight which ensures a fairly homogeneous distribution of the heat in the plate 3.
  • the vertical ends 41, 42 are extended by branches radial 43, 47 which extend in opposite directions towards the periphery of the plate 3, then are extended by curved sections 44, 46 connected to the two ends of a diametrical branch 45 passing between the vertical ends 41 and 42.
  • Others configurations for example in the form of a spiral or such as that shown in FIG. 7 for the resistor 104, with concentric circular portions 143, 144 are naturally also possible.
  • the fixed plate 3 further comprises at the periphery of its upper face 3B a rib 33 whose function will be explained below.
  • a shallow recess 34 is also produced in the central part of the lower face 3A of the fixed plate 3 opposite the channel 54 through which pressurized water is introduced through a mobile plate 5 kept pressed against the plate fixed 3 by a spring 8 bearing on the internal face of the lower part 2 of the housing 1,2.
  • the pressure exerted by the fluid counterbalances that exerted by the spring 8 so as to provide the thin passage necessary for the film of fluid to be evaporated between the upper surface of the mobile evaporator plate 5 and the lower main face 3A of the fixed heating plate 3.
  • the supply of fluid in the channel 54 can be performed with relatively modest pressures obtained with small pumps in common use.
  • the pressurized water is thus introduced by means 6 comprising a central nozzle 60 formed in the central part of the lower part 2 of the housing, which nozzle 60 is located opposite the channel 54 formed in the movable plate 5 perpendicular to the upper main face thereof.
  • the channel 54 advantageously has a frustoconical shape widening towards the recess 34.
  • FIG. 1 also shows an example of a telescopic damper seal placed at the level of the means 6 for introducing pressurized water, between the lower part 2 of the housing and the movable plate 5.
  • This telescopic device ensures both sealing around the channel 54 for introducing pressurized water, and damping the movements of the movable plate 5 while allowing the necessary displacements, in the axial direction, of this movable plate 5.
  • the shock absorbing telescopic seal firstly comprises a tubular projection 52 formed around the central channel 54 and extending downward from the body 50 of the movable plate 5 while providing a free space between the end of this tubular projection 52 and the bottom of the lower part 2 of the housing.
  • a tubular guide 24 is further formed on the internal face of the second part 2 of the housing coaxially with respect to the central nozzle 60 and to the tubular projection 52 so as to serve as a guide for the latter.
  • a seal 53 for example an O-ring, is interposed between the tubular projection 52 and the tubular guide 24.
  • the movable plate 5 is advantageously pressed against the fixed plate 3 using a single coil spring 8 of frustoconical shape placed around the tubular guide 24, between the internal face of the lower part 2 of the housing and the lower face of the movable plate 5.
  • the lower part 2 of the housing may have a substantially frustoconical shape which contributes to stiffening it and takes into account the incorporation of the means 6 for introducing fluid into the lower central part.
  • the lower 2 and upper 1 parts of the housing have peripheral flanges 22, 16 between which a seal 25 is interposed, and protruding ears 17, 23 distributed around the periphery of the housing to allow its assembly by conventional connecting means ( Figures 1, 2 and 4).
  • re-entrant parts 18 of the upper part 1 of the housing make it possible to fix the central part of the heating plate 3 on this part of the housing 1 (FIGS. 1 and 4).
  • the well formed inside the chimney 31 in the upper central part of the steam generator to ensure the electrical connection of the ends 41, 42 of the resistor 4, can also be used to receive a thermostat 9 (FIGS.
  • the thermostat 9 can thus react very quickly to temperature variations and ensures very good thermal regulation.
  • the steam is evacuated using a nozzle 7 placed on the upper part 1 of the housing.
  • the movable plate 5 whose body 50 may have a slightly frustoconical shape on its underside, extends beyond the periphery of the heating plate 3 by a peripheral edge 51 raised in the direction of a vertical extension 15 of the upper part 1 of the housing which descends halfway up the heating plate 3, at the level of the flange 22 of the lower part 2 of the housing.
  • the profiled shape of the peripheral edge 51 aims to create between this edge 51 and the periphery of the heating plate 3 an accelerated flow of steam towards a vapor recovery cavity 91 delimited by the upper part 1 of the housing and the upper face 3B of the plate heating 3.
  • the raised end 51 of the movable plate 5 also contributes to stiffening the latter, even if its thickness is reduced.
  • the peripheral edge 51 of the mobile evaporator plate 5 is slightly offset towards the inside with respect to the vertical extension 15 of the upper part 1 of the housing, and has both an axial clearance with respect to the vertical extension 15 and a slight radial clearance with compared to the lower part 2 of the housing.
  • This configuration moves the jet of vapor upwards along the peripheral rim of the heating plate 3 away from the wall of the housing 1, 2 and creates a depression in the free space situated between the lower part 2 of the housing and the lower face of the movable platform 5. This contributes. to prevent the penetration of residual water droplets into the space located under the movable plate 5 and reduces the risks of scaling in particular at the level of the spring 8.
  • the profiled upper part 1 of the housing has at its periphery a part 13 in the form of a torus portion with a large radius of curvature which is intended to receive the flow of steam at high speed returned upwards in the annular free space situated between the outer rim 51 of the movable plate 5 and the periphery of the heating plate 3.
  • the jet of steam transporting residual water droplets is redirected by the curved surface of the part 13 and returned to the plate by an annular rib 14 extending tangentially towards the bottom part 13 in the form of a torus portion.
  • the rib 14, while stiffening the upper part 1 of the housing, defines an orientation wall of the jet which can be inclined by an angle i for example of the order of 45 ° relative to the vertical.
  • the steam jet directed upwards can thus be returned at high speed to the upper face 3B of the heating plate 3 after a change of orientation of 135 ° at the entrance to the vapor recovery cavity 91 defined between the upper part 1 of the housing and the heating plate 3.
  • the peripheral rib 33 contributes to retaining any droplets still present in the steam jet.
  • the residual water droplets continue to transform into vapor and the heat radiated upwards by the heating plate 3 can be entirely recovered to be transferred to the vapor flow.
  • the steam generator which has just been described optimizes energy exchanges, reduces losses to the outside and guarantees the release of steam at a high temperature.
  • the central suspension of the heating plate 3 also makes it possible to use a housing 1, 2 which is not necessarily metallic and can for example be made of molded plastic, which facilitates manufacture and avoids the addition of an insulating enclosure. additional external.
  • FIGS. 6 and 7 Another embodiment of a steam generator according to the invention will now be described with reference to FIGS. 6 and 7.
  • the steam generator of Figures 6 and 7 comprises, like that of Figures 1 to 5, a housing in two parts 101, 102 inside which are arranged on the one hand a fixed heating plate 103 and on the other hand a plate mobile 105 which is applied by a spring 108 against the underside 103A of the fixed heating plate 103 which itself incorporates an electrical heating resistance 104.
  • the heating plate 103 comprises a central heating part 130 which is separated from a peripheral support part 136 by lights 137 distributed in an annular zone.
  • Lights 137 aim to limit heat exchanges as much as possible between the central part 130 and the peripheral part 136 which are joined only by a radial connection bridge 138 or a very small number of bridges 138 (three bridges according to FIG. 7).
  • the electrical resistance 104 comprises heating coils 143, 144 arranged in the central part 130 and has outlets 141, 142 of lateral connections which pass through the intermediate zone and the peripheral part 136 at the level of a radial connection bridge 138.
  • the lights 137 which isolate the central part 130 of the heating plate 103 from the peripheral part 136 also allow the flow of steam from the interface between the movable plate 105 and the fixed plate 103 to be returned to the vapor recovery cavity 191 formed between the upper part 101 of the housing and the upper face 103B of the heating plate 103.
  • the internal face of the upper part 101 of the housing is provided with grooves 113 and ribs 114 for example distributed in concentric or spiral rings, which form with corresponding ribs 133, 135 formed on the upper surface 103B of the heating plate 103 a network of baffles intended to trap the residual droplets and to use as much as possible the heat coming from the upper face 103B of the heating plate 103 in the additional evaporation step in order to supply by the means evacuation 107 associated with the upper part 101 of the steam at a high temperature and reduce the heating power required for the electrical resistance 104.
  • the steam generator of FIG. 6 is further distinguished from that described above by the presence of a nozzle 106 for introducing water which is arranged in a central passage 112 of the upper part 101 of the housing and extends into the heating plate 103 by a channel 134A perpendicular to the main faces of this plate, which channel 134A opens into a recess 134 at the interface with the movable plate 105.
  • the nozzle 106 is disposed in a tubular projection 131 formed at the upper part of the heating plate 103, which tubular projection is itself retained in position by a rib 111 formed in the upper part 101 of the housing.
  • a seal 132 is interposed between the rib 111 and the tubular projection 131. Seals, not shown in the drawing, are also interposed between the peripheral part 136 of the heating plate 103 and respectively the upper 101 and lower parts. 102 of the housing.
  • FIG. 8 A third embodiment of a steam generator according to the invention will now be described with reference to FIGS. 8 to 11.
  • the steam generator of FIG. 8 is quite similar to that of FIG. 1 and comprises, inside a housing 201, 202, a fixed heating plate 203 equipped with an electrical resistance 204 integrated by overmolding, a plate mobile 205 kept pressed against the heating plate 203 by a spring 208 bearing on the internal face of the upper part 202 of the housing, means 206 for injecting pressurized water into a free space 234 formed between the heating plate 203 and the movable plate 205, a vapor recovery cavity 291 defined between the lower part of the housing 201 and the heating plate 203, and means 207 for withdrawing the vapor coming from the vapor recovery cavity 291.
  • the vapor recovery cavity 291 is located below the heating plate 203 and not above it.
  • the heating plate 203 has a lower main face 203B which is extended at its periphery by a cylindrical peripheral ring 233 which rests on the profiled lower part 201 of the housing.
  • the lower part 201 of the housing has a central opening 212 allowing the passage of the connections 241, 242 of the resistor 204 and, where appropriate, of a thermostat.
  • the central opening 212 is delimited by an annular portion forming a seat for the central part 231 projecting from the body 230 of the heating plate 203.
  • a seal 232 is interposed between the central projecting part 231 of the plate 203 and a tubular part 211 of the lower part 201 of the housing.
  • the lower part 201 has a slightly conical internal face 214 which extends between the tubular part 211 and another peripheral tubular part 215 which connect a seal 225 and the side wall of the part upper 202 of the housing.
  • the lower 201 and upper 202 parts of the housing are joined by connecting means acting on external flanges 216, 223.
  • the conical internal face 214 of the profiled part 201 of the housing is such that this internal face approaches the main face 203B of the plate 203 in a central annular zone of the generator situated around the tubular part 211.
  • a vapor withdrawal well 271 is formed in the main face 203B of the plate 203 at a hot location in the central annular zone of the generator delimited by the tubular part 211.
  • a connector 207 constituting a means of steam evacuation is screwed into the profiled lower part 201 of the housing and is in communication with the cavity of the plate 203 which constitutes the vapor withdrawal well 271.
  • the body 230 of the heating plate 203 may have at its lower part a frustoconical part 235 whose small base is turned downwards, which extends the upper massive cylindrical part and itself extends at its base by the cylindrical crown 233 resting on the lower part 201 of the housing.
  • the frusto-conical portion 235 makes it possible to free the space necessary for the external peripheral tubular part 215 while retaining for the cylindrical upper part of the plate 203 and for the movable plate 205 a maximum useful working surface for crushing and vaporizing the water droplets .
  • At least one passage 290 in the form of a nozzle opens through the cylindrical peripheral crown 233 through a slot 293 towards the vapor recovery cavity 291.
  • the passage 290 begins in the external peripheral part of the plate 203 at the frustoconical part 235 (portion 292 shown in dotted lines in Figures 8 and 10).
  • FIG. 11 shows the implementation of two passages 290 in the form of a nozzle constituted by oblique slots which open out through the cylindrical peripheral ring 233 in two zones diametrically opposite to this ring, tangentially thereto. , so as to cause a rapid rotation of the vapor flow injected by the nozzles 290 into the vapor recovery cavity 291.
  • a vortex effect is created in the vapor recovery cavity 291.
  • the steam flow with which residual water droplets are mixed is subjected to a rapid rotational movement within the cavity 291.
  • the inclined configuration of the face 214 of the lower part of the housing 201 contributes to guiding the heated steam towards the well evacuation of steam, by licking the flat underside 203B of the heating plate 203 while the residual water droplets are forced, by the inclined face 214 and especially by the centrifugal vortex effect, to come into contact with the cylindrical crown 233 where they are distant from the vapor withdrawal well and can vaporize in contact with the cylindrical crown.
  • the flow of vapor with residual droplets thus cooperates not only with the main face 203B of the plate 203 but also with the peripheral cylindrical crown 233.
  • the means 206 for introducing pressurized water comprise a connector 260 screwed by an end part 262 into the movable plate 205.
  • the cylindrical body 261 of the connector 260 passes through a central part 224 reinforced with the upper part 202 of the housing.
  • the body 261 of the fitting 260 may have slight axial displacements in the orifice of the reinforced part 224.
  • Seals 253 placed in peripheral grooves of the body 261 both ensure the tightness of the fitting of the fitting 260 in the part 224, and a damping of the vibrations generated by the movements of the movable plate 205, of which the connector 260 is integral, when the water injected under pressure into the channel 254 of the connector 260 opens against the upper surface 203A of the heating plate 203.
  • the spring 208 is arranged around the connector 260 and the reinforced part 224 between the upper part 202 of the housing and a small central cavity 252 formed in the upper part of the movable plate 205.
  • the central channel 254 of the fitting 260 opens in front of a recessed central part 234, which may have a depth for example of 5 tenths of a millimeter, formed in the upper face 203A of the heating plate 203.
  • the recessed central part 234 has a substantially triangular shape, the vertices of the triangle being marked S1, S2, S3. Grooves 234a, 234b, 234c of the same depth as the recessed central portion 234 form scrolls around this central portion 234.
  • the grooves 234a, 234b, 234c comprise three half-rings each centered on one vertices S1 to S3 of the substantially triangular central part 234, the half-rings 234a to 234c being deduced from each other by rotations of 120 ° around the axis of the central channel 254.
  • scroll-shaped grooves 234a to 234c makes it possible to improve the operation of the generator in the event that there are temperature inhomogeneities within the body 230 of the heating plate 203, due to an uneven distribution of heat from the electrical resistance 204 embedded in the heating plate 203.
  • the presence of semi-annular grooves distributed around the central recessed portion 234 of the surface 203A of the heating plate 203 allows the water injected under pressure to roll in the grooves in a direction perpendicular to the original direction, in case tilting of the movable plate 205, which contributes to creating steam in a zone angularly offset from the initial superheated zone and makes it possible to create a different tilting of the plate.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices For Medical Bathing And Washing (AREA)
  • Air Humidification (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Hair Curling (AREA)
EP94402463A 1993-11-02 1994-11-02 Dampferzeuger mit elektrisch beheizter Platte Expired - Lifetime EP0651202B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9312992 1993-11-02
FR9312992A FR2712070B1 (fr) 1993-11-02 1993-11-02 Générateur de vapeur à plateau.

Publications (2)

Publication Number Publication Date
EP0651202A1 true EP0651202A1 (de) 1995-05-03
EP0651202B1 EP0651202B1 (de) 1997-10-01

Family

ID=9452401

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94402463A Expired - Lifetime EP0651202B1 (de) 1993-11-02 1994-11-02 Dampferzeuger mit elektrisch beheizter Platte

Country Status (4)

Country Link
EP (1) EP0651202B1 (de)
AT (1) ATE158851T1 (de)
DE (1) DE69405958T2 (de)
FR (1) FR2712070B1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2778969A1 (fr) 1998-05-25 1999-11-26 Claude Brenot Generateur de vapeur a plateau a evaporation directe
FR2818734A1 (fr) * 2000-12-22 2002-06-28 Rowenta Werke Gmbh Generateur de vapeur instantane
EP1380795A4 (de) * 2001-02-23 2006-05-17 Yeqi Zheng Einrichtung zur erzeugung von gesättigtem hochdruckdampf
CN117598428A (zh) * 2023-12-23 2024-02-27 临沂惠民早餐工程有限公司 一种高温粥的生产工艺

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2859867B1 (fr) * 2003-09-16 2006-04-14 Frima Sa Element chauffant pour appareil de cuisson

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1979000408A1 (fr) * 1977-12-19 1979-07-12 C Brenot Presse a repasser a vapeur
EP0023855A1 (de) * 1979-08-03 1981-02-11 Claude Georges Brenot Dampferzeuger mit Direktverdampfung
FR2581442A2 (fr) * 1979-08-03 1986-11-07 Brenot Claude Generateur de vapeur a evaporation directe

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1979000408A1 (fr) * 1977-12-19 1979-07-12 C Brenot Presse a repasser a vapeur
EP0023855A1 (de) * 1979-08-03 1981-02-11 Claude Georges Brenot Dampferzeuger mit Direktverdampfung
FR2581442A2 (fr) * 1979-08-03 1986-11-07 Brenot Claude Generateur de vapeur a evaporation directe

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2778969A1 (fr) 1998-05-25 1999-11-26 Claude Brenot Generateur de vapeur a plateau a evaporation directe
EP0962695A1 (de) * 1998-05-25 1999-12-08 Claude Brenot Dampferzeuger mit Platte für Direktverdampfung
FR2818734A1 (fr) * 2000-12-22 2002-06-28 Rowenta Werke Gmbh Generateur de vapeur instantane
EP1380795A4 (de) * 2001-02-23 2006-05-17 Yeqi Zheng Einrichtung zur erzeugung von gesättigtem hochdruckdampf
CN117598428A (zh) * 2023-12-23 2024-02-27 临沂惠民早餐工程有限公司 一种高温粥的生产工艺

Also Published As

Publication number Publication date
FR2712070B1 (fr) 1996-01-26
DE69405958D1 (de) 1997-11-06
EP0651202B1 (de) 1997-10-01
DE69405958T2 (de) 1998-01-22
FR2712070A1 (fr) 1995-05-12
ATE158851T1 (de) 1997-10-15

Similar Documents

Publication Publication Date Title
EP2052653B1 (de) Schnellkochtopf mit einem Überdruck-Sicherheitssystem
EP2185046B1 (de) Heisswasserbereiter für eine getränkezubereitungsmaschine
EP0636332A1 (de) Elektrisches Wasserkochgerät mit vereinfachter Heizvorrichtung
WO2009156190A1 (fr) Chaudiere pour machine de preparation de boissons chaudes
EP0651202B1 (de) Dampferzeuger mit elektrisch beheizter Platte
FR3072553B1 (fr) Autocuiseur a fenetre d'extrusion
FR2599179A1 (fr) Petit reacteur nucleaire a eau pressurisee et a circulation naturelle
EP0023855A1 (de) Dampferzeuger mit Direktverdampfung
EP1406043A1 (de) Gasbrenner
EP1117318B1 (de) Elektrogerät zum erhitzen von flüssigkeiten mit einem heizboden und glaswänden
EP0193514A2 (de) Verfahren zum Polymerisieren von Kunstharzen sowie Einrichtung zum Anwenden dieses Verfahrens
EP3890564B1 (de) Dampfkocherzubehör mit doppelter turbokrone
EP0460618B1 (de) Elektrischer Wasserkessel
EP1095604A1 (de) Getränkebrühvorrichtung
EP3450619B1 (de) Bügeleisen, das ein gehäuse, einen heizkörper und eine zwischen dem heizkörper und dem gehäuse eingebaute funktionelle platine umfasst
EP3450617B1 (de) Bügelvorrichtung umfassend eine basis verbunden mittels eines kabels mit einem bügeleisen
EP0651203A1 (de) Gas-Strahlungsbrenner für Herd oder Kochmulde
WO2020115245A1 (fr) Accessoire cuiseur vapeur avec dispositif de support revetu en silicone
EP0962695B1 (de) Dampferzeuger mit Platte für Direktverdampfung
EP3890568B1 (de) Dämpferzubehör mit einer silikonbeschichteten stützvorrichtung
FR3094549A1 (fr) Ensemble comprenant un emballage pour l’entreposage de matieres radioactives, et son systeme de support
EP2292866B1 (de) Rauchabzugsvorrichtung durch ein Dach
WO2023006710A1 (fr) Dispositif de cuisson sur brûleur à gaz
EP1153562A2 (de) Haushaltsgerät zum automatischen Erhitzen einer in einem Behälter enthaltenen Flüssigkeit oder Produkt zu ihrer Anwendungstemperatur
EP0774569B1 (de) Verschlussdeckel für einen Kühlungskreislauf eines Kraftfahrzeuges

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

Kind code of ref document: A1

Designated state(s): AT CH DE ES FR GB IT LI PT

17P Request for examination filed

Effective date: 19950925

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

17Q First examination report despatched

Effective date: 19970122

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT CH DE ES FR GB IT LI PT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: THE PATENT HAS BEEN ANNULLED BY A DECISION OF A NATIONAL AUTHORITY

Effective date: 19971001

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 19971001

REF Corresponds to:

Ref document number: 158851

Country of ref document: AT

Date of ref document: 19971015

Kind code of ref document: T

ITF It: translation for a ep patent filed
REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 19971003

REF Corresponds to:

Ref document number: 69405958

Country of ref document: DE

Date of ref document: 19971106

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19971130

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19971130

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 19980102

REG Reference to a national code

Ref country code: FR

Ref legal event code: CL

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
REG Reference to a national code

Ref country code: FR

Ref legal event code: TP

REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20061108

Year of fee payment: 13

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20061110

Year of fee payment: 13

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20061130

Year of fee payment: 13

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20071130

Year of fee payment: 14

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20071102

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20080603

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20071102

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20071102

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20090731

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20081130