EP0844451A2 - Procédé de fonctionnement d'un appareil frigorifique - Google Patents

Procédé de fonctionnement d'un appareil frigorifique Download PDF

Info

Publication number
EP0844451A2
EP0844451A2 EP97119566A EP97119566A EP0844451A2 EP 0844451 A2 EP0844451 A2 EP 0844451A2 EP 97119566 A EP97119566 A EP 97119566A EP 97119566 A EP97119566 A EP 97119566A EP 0844451 A2 EP0844451 A2 EP 0844451A2
Authority
EP
European Patent Office
Prior art keywords
fan
evaporator
time
temperature
cooling
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
EP97119566A
Other languages
German (de)
English (en)
Other versions
EP0844451A3 (fr
EP0844451B1 (fr
Inventor
Thomas Dipl.-Ing. Guffler (Fh)
Walter Dipl.-Ing. Holz
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
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 BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Priority to DK97119566T priority Critical patent/DK0844451T3/da
Publication of EP0844451A2 publication Critical patent/EP0844451A2/fr
Publication of EP0844451A3 publication Critical patent/EP0844451A3/fr
Application granted granted Critical
Publication of EP0844451B1 publication Critical patent/EP0844451B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/02—Compressor control
    • F25B2600/025—Compressor control by controlling speed
    • F25B2600/0251—Compressor control by controlling speed with on-off operation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/11—Fan speed control
    • F25B2600/112—Fan speed control of evaporator fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/062—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation along the inside of doors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/066—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air supply
    • F25D2317/0665—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air supply from the top
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/04—Refrigerators with a horizontal mullion

Definitions

  • the invention relates to a method for operating a cooling device with at least a refrigerator, which is cooled by an evaporator, over which the cooling air is conveyed by means of a fan circulating the cooling air in the cooling space, which fan at least approximately during the period of exposure of the evaporator to liquid Refrigerant is put into operation.
  • the invention has for its object a method for operating a cooling device propose according to the preamble of claim 1, in which with simple measures Even with large-volume cold storage compartments in the cooling units, the disadvantages of Prior art are avoided.
  • This object is achieved according to the invention in that the fan additionally during the interruption of the refrigerant flow to the evaporator is operated.
  • the fan at least during the interruption of the refrigerant flow to the evaporator over a time period of exposure to liquid refrigerant serving shortened period of time.
  • the period of time is arranged after an end of the period Delay time is provided.
  • the fan is started up while avoiding temperature stratification inside the refrigerator, the fan only at the time of one necessary mixture of the cooling air operated. This results in an over the useful life of the cooling device is a not insignificant reduction in runtime for the fan, which results in a certain energy saving. You have took advantage of the knowledge that a temperature layer formation within the Cold room not immediately after the interruption of the refrigerant flow to the evaporator starts.
  • the delay time is particularly easy to implement if one had advantage after the next Embodiment of the subject of the invention is provided that the delay time is determined by a predetermined period of time.
  • the delay time is provided in a particularly interference-free manner if, after a further advantageous one Embodiment of the subject of the invention is provided that the predetermined Period of time for the delay time by an electronic evaluation circuit is specified.
  • the fan is operated particularly effectively and with an optimized lifespan, if after one a further preferred embodiment of the subject matter of the invention is provided, that the time spans are at least approximately the same length and from each other are spaced apart by the delay time.
  • the fan is arranged in the lower region of the cooling space and the temperature in this area detecting temperature sensor is activated, the Output signal after reaching a predetermined temperature limit the commissioning of the fan initiates.
  • Such a measure is particularly simple and inexpensive and Way already very accurately ensured that the cold room temperature in this, for example for storing vegetables such as cucumbers, salads or the like of the refrigerator compartment should not sink to an unauthorized depth, so that freezing and therefore spoilage this vegetable is specifically prevented.
  • the fan by exceeding a predetermined temperature difference is put into operation, which by at least two the room temperature in Cold room temperature sensor is determined, one of which is in the lower region of the Cold room and the other is arranged in the upper area.
  • a cooling device 10 designed as a multi-temperature refrigerator has in the middle section its heat-insulating housing 11 has a door 12 on its front side closable as a cold storage compartment designed cooling space 13 on which in vertical Intervals of refrigerated goods shelves made of glass is provided.
  • For cooling of the cooling space 13 is on the rear wall opposite the door 12 of the heat-insulating Housing 11 provided a planar evaporator 14, the so-called Coldwall evaporator is formed and which when the temperature of the Cooling room 13 with a not shown, appropriately controlled solenoid valve liquid refrigerant is applied.
  • the evaporator 14 extends from the upper area of the cold room 13 to its lower third and takes up almost all of it Width.
  • a fan 15 which, like the evaporator 14 is covered by an intermediate wall 16. This is on the cooling surface of the Evaporator 14 facing side with air guide channels 17 which are in outlet openings 18 emerge in the area of the cold room ceiling and which both through deflections and a different heat exchange due to changes in cross-section between the air flow carried therein, which is based on the fan 15 is forcibly conveyed over the evaporator 14 and the cooling surface of the evaporator 14 allow.
  • Cooling space 13 Below the evaporator 14 is inside the cold storage compartment Cooling space 13 is a closed-walled container 19 designed as a vegetable dish provided, by its arrangement not only towards the rear wall of the cooling space 13, but an air duct 20 is also formed towards the bottom thereof and towards the door 12, by means of which the cooling air forcibly circulated by the fan 15 after it emerges from the Air outlet openings 18 to achieve a uniform temperature level within of the cooling space 13 to and along the door 12 and ultimately from the suction side the fan 15 is detected.
  • a closed-walled container 19 designed as a vegetable dish provided, by its arrangement not only towards the rear wall of the cooling space 13, but an air duct 20 is also formed towards the bottom thereof and towards the door 12, by means of which the cooling air forcibly circulated by the fan 15 after it emerges from the Air outlet openings 18 to achieve a uniform temperature level within of the cooling space 13 to and along the door 12 and ultimately from the suction side the fan 15 is detected.
  • the fan 15 is activated to generate the uniform temperature level within the cooling space 13 during the entire period t k provided for the application of liquid refrigerant to the evaporator 14. After reaching the intended cold room temperature, the fan 15 is put out of operation simultaneously with the interruption of the refrigerant flow to the evaporator 14. Subsequently, during the time in which the refrigerant flow to the evaporator 14 is interrupted, the fan 15 is started up again after a delay time t v for a period of time t y , the period of time t y being significantly shorter than the period t k, which corresponds to the time for the application of the evaporator 14 with liquid refrigerant.
  • the brief start-up of the fan 15 over the period t y is repeated within a period of idle time between two periods t k serving the evaporator 14 with liquid refrigerant, depending on, for example, empirically determined need, with each time between the periods t y Delay time t v is provided.
  • the number of time periods t y provided for brief operation of the fan 15 is determined by the duration of the delay time t v and the duration of the idle time between two time periods t k , with tests for a cold room with a cold room volume of approximately 0 , 2 m 3, a delay time t v of 10 minutes and a time span t y of two minutes have already given good results with regard to a significant reduction in the temperature stratification within the cooling space 13.
  • the control of the fan according to the invention results 15 between the measuring points I to III clearly compared to the prior art reduced temperature stratification and at the same time a temperature inside the vegetable skin 19, which is clearly above the freezing point, so that stored goods are stored therein such as cucumber or salads or the like cannot freeze.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
EP19970119566 1996-11-18 1997-11-07 Procédé de fonctionnement d'un appareil frigorifique Expired - Lifetime EP0844451B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DK97119566T DK0844451T3 (da) 1996-11-18 1997-11-07 Fremgangsmåde til drift af et köleapparat

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1996147642 DE19647642A1 (de) 1996-11-18 1996-11-18 Verfahren zum Betreiben eines Kühlgerätes
DE19647642 1996-11-18

Publications (3)

Publication Number Publication Date
EP0844451A2 true EP0844451A2 (fr) 1998-05-27
EP0844451A3 EP0844451A3 (fr) 2000-10-11
EP0844451B1 EP0844451B1 (fr) 2004-06-09

Family

ID=7812003

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19970119566 Expired - Lifetime EP0844451B1 (fr) 1996-11-18 1997-11-07 Procédé de fonctionnement d'un appareil frigorifique

Country Status (4)

Country Link
EP (1) EP0844451B1 (fr)
DE (2) DE19647642A1 (fr)
DK (1) DK0844451T3 (fr)
ES (1) ES2222493T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012172051A3 (fr) * 2011-06-16 2013-09-26 A.P. Møller - Mærsk A/S Commande de circulation d'air interne dans un conteneur de transport réfrigéré
WO2018067095A3 (fr) * 2016-08-08 2018-07-12 Arcelik Anonim Sirketi Appareil de réfrigération comprenant un compartiment à zéro degré ayant une régulation améliorée de la température

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20001253U1 (de) * 2000-01-25 2001-06-07 Liebherr Hausgeraete Kühlgerät mit einem Kühl-, einem Kaltlager- und einem Gefrierfach
DE10260350B4 (de) * 2002-07-04 2015-11-26 Lg Electronics Inc. Verfahren zur Steuerung eines Betriebs eines mit zwei Verdampfern ausgebildeten Kühlsystems
DE10235781A1 (de) * 2002-08-05 2004-03-04 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät
DE102010055904A1 (de) * 2010-11-05 2012-05-10 Liebherr-Hausgeräte Ochsenhausen GmbH Kühl- und/oder Gefriergerät
CN115265046B (zh) * 2021-04-29 2023-08-15 青岛海尔电冰箱有限公司 冰箱及其控制方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3103797A (en) * 1961-03-30 1963-09-17 Hupp Corp Refrigerators
US4485633A (en) * 1982-10-18 1984-12-04 The Coca-Cola Company Temperature-based control for energy management system
DE3804246C1 (fr) * 1988-02-11 1989-03-02 Friedhelm 5920 Bad Berleburg De Meyer
US5490394A (en) * 1994-09-23 1996-02-13 Multibras S/A Eletrodomesticos Fan control system for the evaporator of refrigerating appliances
US5931011A (en) * 1998-06-23 1999-08-03 Hoshizaki Denki Kabushiki Kaisha Low temperature storage cabinet

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012172051A3 (fr) * 2011-06-16 2013-09-26 A.P. Møller - Mærsk A/S Commande de circulation d'air interne dans un conteneur de transport réfrigéré
WO2018067095A3 (fr) * 2016-08-08 2018-07-12 Arcelik Anonim Sirketi Appareil de réfrigération comprenant un compartiment à zéro degré ayant une régulation améliorée de la température

Also Published As

Publication number Publication date
ES2222493T3 (es) 2005-02-01
EP0844451A3 (fr) 2000-10-11
DE19647642A1 (de) 1998-05-20
DK0844451T3 (da) 2004-10-18
EP0844451B1 (fr) 2004-06-09
DE59711699D1 (de) 2004-07-15

Similar Documents

Publication Publication Date Title
DE60124502T2 (de) Flüssigen stickstoff verwendende kühlung eines lastfahrzeuges für nahrungsmittel
DE202009002226U1 (de) Kühl- und/oder Gefriergerät
DE2227313C2 (de) Kühlcontainer zum Frisch- und Kühlhalten von Nahrungsmitteln
EP0793066B1 (fr) Réfrigérateur avec compartiments de refroidissement à des températures différentes
EP0844451B1 (fr) Procédé de fonctionnement d'un appareil frigorifique
DE10204527B4 (de) Kühlluftversorgungsvorrichtung eines Kühlschranks
DE2333158A1 (de) Kuehlgeraet, insbesondere konvektiv durch luftumwaelzung gekuehlter no-frostkuehlschrank
DE2942491C3 (de) Kühltruhe
DE69730676T2 (de) Temperaturregelvorrichtung für eine Kammer in der Kühlabteilung eines Kühlschrankes
DE4411411A1 (de) Kaltluftsammeleinrichtung für ein Kühlgerät
DE4141470C2 (de) Kühlgerät
DE19756860A1 (de) Kältegerät
DE3203903C2 (de) Verfahren zur Kühlung einer Kühlvitrine für Lebensmittel und Kühlvitrine zur Durchführung des Verfahrens
DE3314056C2 (fr)
EP0727626B1 (fr) Appareil frigorifique, notamment un réfrigérateur ménager
EP1845322B1 (fr) Appareil de réfrigération et/ou de refroidissement
DE2753744A1 (de) Gefriergeraet, insbesondere gefrierschrank, gefriertruhe o.dgl.
DE102013111813B4 (de) Transportabler Kühlraum
DE10355506B4 (de) Kühlschrank mit Trockenfach
DE10014343A1 (de) Warenkühltheke
DE4432439A1 (de) Kühlschrank mit Null-Grad-Fach
DE60013374T2 (de) Automatisches Kältegerät mit Abtausteuerung
DE1601880C (de) Kühlanlage
DE3430154A1 (de) Kuehlschrank oder dergleichen
EP1262723A1 (fr) Appareil frigorifique

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: A2

Designated state(s): DE DK ES FR GB IT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: BSH BOSCH UND SIEMENS HAUSGERAETE GMBH

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

17P Request for examination filed

Effective date: 20001109

AKX Designation fees paid

Free format text: DE DK ES FR GB IT SE

17Q First examination report despatched

Effective date: 20021216

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: BSH BOSCH UND SIEMENS HAUSGERAETE GMBH

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE DK ES FR GB IT SE

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

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

Effective date: 20040609

REF Corresponds to:

Ref document number: 59711699

Country of ref document: DE

Date of ref document: 20040715

Kind code of ref document: P

REG Reference to a national code

Ref country code: SE

Ref legal event code: TRGR

REG Reference to a national code

Ref country code: DK

Ref legal event code: T3

ET Fr: translation filed
REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2222493

Country of ref document: ES

Kind code of ref document: T3

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

Effective date: 20050310

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

Ref country code: DK

Payment date: 20081121

Year of fee payment: 12

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

Ref country code: SE

Payment date: 20081124

Year of fee payment: 12

EUG Se: european patent has lapsed
REG Reference to a national code

Ref country code: DK

Ref legal event code: EBP

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

Ref country code: DK

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

Effective date: 20091130

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

Ref country code: SE

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

Effective date: 20091108

REG Reference to a national code

Ref country code: ES

Ref legal event code: PC2A

Owner name: BSH HAUSGERATE GMBH

Effective date: 20150527

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 19

REG Reference to a national code

Ref country code: FR

Ref legal event code: CD

Owner name: BSH HAUSGERATE GMBH

Effective date: 20151022

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

Ref country code: GB

Payment date: 20151123

Year of fee payment: 19

Ref country code: DE

Payment date: 20151130

Year of fee payment: 19

Ref country code: IT

Payment date: 20151124

Year of fee payment: 19

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

Ref country code: ES

Payment date: 20151124

Year of fee payment: 19

Ref country code: FR

Payment date: 20151124

Year of fee payment: 19

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 59711699

Country of ref document: DE

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

Effective date: 20161107

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20170731

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: 20161107

Ref country code: FR

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

Effective date: 20161130

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: 20170601

Ref country code: GB

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

Effective date: 20161107

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20180507

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

Ref country code: ES

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: 20040609

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

Ref country code: ES

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: 20161108

RIC2 Information provided on ipc code assigned after grant

Ipc: F25D 17/06 20060101AFI19980305BHEP

Ipc: F25D 29/00 20060101ALI19980305BHEP