EP1230520B1 - Conduit de soutirage pour eau chaude - Google Patents

Conduit de soutirage pour eau chaude Download PDF

Info

Publication number
EP1230520B1
EP1230520B1 EP00980112A EP00980112A EP1230520B1 EP 1230520 B1 EP1230520 B1 EP 1230520B1 EP 00980112 A EP00980112 A EP 00980112A EP 00980112 A EP00980112 A EP 00980112A EP 1230520 B1 EP1230520 B1 EP 1230520B1
Authority
EP
European Patent Office
Prior art keywords
draw
conduit
water
hot
storage vessel
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.)
Expired - Lifetime
Application number
EP00980112A
Other languages
German (de)
English (en)
Other versions
EP1230520A1 (fr
Inventor
Evert Sjoerdsma
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.)
Energieonderzoek Centrum Nederland ECN
Original Assignee
Energieonderzoek Centrum Nederland ECN
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 Energieonderzoek Centrum Nederland ECN filed Critical Energieonderzoek Centrum Nederland ECN
Publication of EP1230520A1 publication Critical patent/EP1230520A1/fr
Application granted granted Critical
Publication of EP1230520B1 publication Critical patent/EP1230520B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D17/00—Domestic hot-water supply systems

Definitions

  • the invention relates to a hot-water supply arrangement, comprising a hot-water heater, a draw-off conduit for transporting water from said hot-water heater to a draw-off point, and a thermally insulated storage vessel for storing hot-water transported from said hot-water heater, the storage vessel being connected to said draw-off conduit in the vicinity of the draw-off point.
  • US-A-5072717 discloses an arrangement, in which a storage vessel installed just ahead of a draw-off point stores a small amount of water and maintains it to the temperature of a hot-water heater.
  • the draw-off is opened, the water from the storage vessel is first drawn while the cooled down water which was stationary in the conduit coming from the hot-water heater refills the storage vessel.
  • the conduit is cleared of cold water the storage vessel is bypassed, and its stored cold water is slowly admixed in the flow of hot water to the draw-off point.
  • Patent Abstracts of Japan, vol. 007, no. 240 discloses an arrangement, in which the storage vessel is included in a bypass course of a water supplying line in maximum possible vicintity to a draw-off point, for storing hot water and merging water stored therein with water from the supply line.
  • the potential costs of draw-off losses in homes are moreover further distorted by the measure of attempting to keep draw-off conduits short by placing a second hot-water heater (for instance a kitchen geyser or electric boiler) in the immediate vicinity of a draw-off point.
  • a second hot-water heater for instance a kitchen geyser or electric boiler
  • the placing of a second hot-water heater does of course contribute to the comfort of the user, who has to wait only a short time until hot water is available, but results in operating and investment costs which are relatively high compared with the costs of a first heating apparatus, for instance a combined apparatus placed in an attic for hot water supply and home heating.
  • a hot-water supply arrangement of the type specified in the preamble, in which according to the invention the storage vessel is arranged for containing a compressible air volume and control means are provided allowing the storage vessel to draw-in hot water still present in the draw-off conduit after drawing of water from the draw-off point and allowing hot water to flow from that storage vessel to the draw-off point (5) at the start of a repeated drawing of water, and for keeping a compressible gas volume in the vessel.
  • the storage vessel is provided on its underside with an outlet opening closable by means of a drilled-through non-return valve, in which drilled-through non-return valve an inlet opening is provided.
  • the inlet opening preferably has a smaller diameter than the outlet opening.
  • the storage vessel is more preferably provided with a pressure-independent flow limiter employed as outflow limiter.
  • draw-off conduit is according to the invention connected to the storage vessel via a thermally insulating conduit piece.
  • the storage vessel is a stainless steel vacuum bottle.
  • the storage vessel is preferably provided with a heating element.
  • control means are chosen such that the storage of water from the draw-off conduit in the storage vessel takes place at a flow rate which is so low that the burner of the geyser connected to that draw-off conduit is not activated, and the geyser thus supplies cold water to the draw-off conduit.
  • the hot-water heater comprises a supply tank, for instance in an electric boiler or a gas boiler, below a determined water pressure in the draw-off conduit this draw-off conduit is connected to the supply tank by means of a switching device placed in the vicinity of the supply tank, and above this determined water pressure the draw-off conduit is connected to a cold water conduit.
  • the switching device comprises a cylinder with an axial inlet opening to the cold water conduit, a lateral inlet opening to a conduit to the supply tank, a lateral outlet opening to the draw-off conduit and a slide displaceable in this cylinder, wherein the lateral outlet opening is placed closer to the axial inlet opening than the lateral inlet opening and, subject to the pressure in the draw-off conduit, the slide takes up a rest position between the lateral outlet opening and the lateral inlet opening, wherein the draw-off conduit is connected to the cold water conduit, or takes up an operating position between the lateral outlet opening and the axial inlet opening, wherein the draw-off conduit is connected to the supply tank.
  • Fig. 1 shows a geyser 1 (for instance in the attic of a house above a bathroom), which is connected via a short draw-off conduit 2 to a first draw-off tap 3 (for instance in that bathroom), and which via a long draw-off conduit 4 is connected to a second tap 5 (for instance in the kitchen of the house).
  • a reversed vacuum bottle 6 connected to draw-off conduit 4 by means of a conduit piece 41 is placed in the vicinity of the second draw-off tap 5, with outer bottle 7, vacuum chamber 8 and inner bottle 9, the opening 10 of which is closed by a drilled-through non-return valve 11.
  • Vacuum bottle 6 provides a saving of draw-off losses in draw-off conduit 4 in the following manner.
  • the vacuum bottle 6 is filled for about 70% with hot water (level II). Situated above the water level is a compressed volume of air which is maintained by the continuous degassing of freshly supplied water.
  • draw-off tap 5 When draw-off tap 5 is opened the pressure in draw-off conduit 4 falls to about 10% of its original value, as a result of which hot water is pressed by the compressed air out of vacuum bottle 6 into draw-off conduit 4, where it mixes with the cold water present in this conduit 4. Mixed hot water thus flows from draw-off tap 5 immediately after opening.
  • the volume of vacuum bottle 6 is chosen such that the quantity of hot water stored therein is just sufficient for mixing with the quantity of cold water in draw-off conduit 4.
  • a draw-off conduit 4 provided with a vacuum bottle 6 provides the advantage that hot water flows therefrom immediately the tap 5 is opened, which results in a saving of both water and energy relative to draw-off conduits without vacuum bottle.
  • FIG. 2 shows in more detail the stainless steel vacuum bottle 6 of fig. 1 with the downward directed opening.
  • Vacuum bottle 6 can withstand a pressure of 8 bar, the highest occurring pressure in draw-off conduit 4.
  • the opening is closed by means of a plug 14 which is sealed with an O-ring 13 and in which is formed an outlet opening 15 which is closed by a non-return valve 11, in which an inlet opening 16 is drilled, wherein the diameter of inlet opening 16 is smaller than that of outlet opening 15.
  • a cleaning pin 17 Arranged in inlet opening 16 is a cleaning pin 17 which is freely movable over determined distances.
  • vacuum bottle 6 is connected using a coupling nut 20 to the conduit piece 41 to draw-off conduit 4 via a conduit piece 19 of a thermally insulating plastic material sealed with O-ring 18.
  • a pressure-independent flow limiter 21 which provides a constant outflow speed, irrespective of the pressure in vacuum bottle 6.
  • the figure further shows a low-voltage heating element 22 arranged in plug 14, using which element a quantity of water in vacuum bottle 6 can be kept at the correct temperature, also in the case of prolonged storage of this quantity.
  • Fig. 3 shows a boiler 23 with heating element 24 (for instance in the attic of a house above a bathroom), which is connected via a short draw-off conduit 2 to a first draw-off tap 3 (for instance in that bathroom), and which is connected via a long draw-off tap 26 to a second draw-off tap 5 (for instance in the kitchen of the house).
  • a reversed vacuum bottle 6 connected onto draw-off conduit 4 is placed in the vicinity of second draw-off tap 5.
  • Other than draw-off conduit 4 of a geyser 1 (fig.
  • the draw-off conduit 26 for a boiler 24 heated electrically or with gas is connected to a switching valve 27 which connects draw-off conduit 26, subject to the pressure therein, to a conduit 28 to boiler 24 or cold water conduit 23.
  • the operation of vacuum bottle 6 is set forth above in the elucidation of fig. 1, and will only be repeated insofar as necessary for a good understanding.
  • draw-off tap 5 is opened the pressure in draw-off conduit 4 falls, as a result of which hot water is pressed by the compressed air out of vacuum bottle 6 into draw-off conduit 26, where it mixes with the cold water present in this conduit 26, and as a result of which the draw-off conduit 26 is connected to boiler 24 by switching valve 27.
  • Fig. 4 shows the switching valve of fig. 3 in more detail in a rest position, wherein the draw-off tap 5 is closed and the water in conduits 28, 26 and 23 has come to a standstill.
  • Switching valve 27 comprises a cylindrical housing 29 with an axial inlet opening 30 to cold water conduit 23, a lateral inlet opening 31 to boiler conduit 28, a lateral outlet opening 32 to draw-off conduit 26 and a slide 34 displaceable in this cylinder 27, wherein the lateral outlet opening 32 is placed closer to the axial inlet opening 30 than the lateral inlet opening 31 and, depending on the pressure in draw-off conduit 26, the slide 34 takes up a rest position between the lateral outlet opening 32 and the lateral inlet opening 31, wherein draw-off conduit 26 is connected to cold water conduit 23, or takes up an operating position between the lateral outlet opening 26 and the axial inlet opening 30, wherein draw-off conduit 26 is connected to boiler conduit 28, and thus to boiler 24.
  • the switching takes place by means of a piston 35 which is connected to slide 34 and enclosed under pre-pressure of a spiral spring 33. If a pressure difference occurs over piston 35, it moves to the right counter to the pressure of spring 33, as a result of which the slide 34 closes the cold water conduit 23 and leaves clear the connection between boiler conduit 28 and tap water conduit 26.
  • the pressure difference occurs as a result of a small constriction 36 in outlet opening 32.
  • the full pressure of cold water conduit 23 is always on the left-hand side of piston 35, this pressure being admitted via a first internal channel 37, and the (variable) pressure of tap water conduit 26, which is admitted via a second internal channel 38, is always on the right-hand side of piston 35.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
  • Pipeline Systems (AREA)
  • Water Treatment By Sorption (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Cookers (AREA)

Claims (10)

  1. Système d'alimentation en eau chaude, comprenant un conduit de soutirage (4, 26) pour transporter de l'eau à partir d'un chauffe-eau (1, 24) jusqu'à un point de soutirage (5), et un récipient de stockage thermiquement isolé (6) pour stocker de l'eau chaude transportée à partir dudit chauffe-eau (1, 24), le récipient de stockage (6) étant connecté audit conduit de soutirage (4, 26) dans le voisinage du point de soutirage (5), caractérisé en ce que le récipient de stockage (6) est arrangé pour contenir un volume d'air compressible, et des moyens de commande (11, 27) sont prévus afin de permettre au récipient de stockage (6) d'aspirer l'eau encore présente dans le conduit de soutirage (4, 26) après l'aspiration de l'eau à partir du point de soutirage (5), afin de permettre à l'eau chaude de s'écouler à partir de ce récipient de stockage (6) jusqu'au point de soutirage (5) au début d'un cycle répété d'aspiration d'eau, et afin de maintenir un volume de gaz compressible dans le récipient.
  2. Système d'alimentation en eau suivant la revendication 1, caractérisé en ce que les moyens de commande (11) comprennent un clapet de retenue percé (11) comportant une ouverture d'entrée (16), ledit clapet de retenue percé (11) étant prévu à une ouverture de sortie (15) du récipient de stockage (6) sur sa face inférieure.
  3. Système d'alimentation en eau chaude suivant la revendication 2, caractérisé en ce que le diamètre de l'ouverture d'entrée (16) est plus petit que celui de l'ouverture de sortie (15).
  4. Système d'alimentation en eau chaude suivant l'une quelconque des revendications précédentes, caractérisé en ce que le récipient de stockage (6) est connecté à un conduit de soutirage (4, 26) par l'intermédiaire d'une pièce de conduit thermiquement isolée (19).
  5. Système d'alimentation en eau chaude suivant l'une quelconque des revendications précédentes, caractérisé en ce que le récipient de stockage (6) est pourvu d'un limiteur d'écoulement indépendant de la pression (21) employé comme limiteur de décharge.
  6. Système d'alimentation en eau chaude suivant l'une quelconque des revendications précédentes, caractérisé en ce que le récipient de stockage est une bouteille sous vide en acier inoxydable (6).
  7. Système d'alimentation en eau chaude suivant l'une quelconque des revendications précédentes, caractérisé en ce que le volume du récipient de stockage (6) correspondant approximativement à deux fois le volume du conduit de soutirage (4, 26).
  8. Système d'alimentation en eau chaude suivant l'une quelconque des revendications précédentes, caractérisé en ce que le volume du récipient de stockage (6) est pourvu d'un élément de chauffage (22).
  9. Système d'alimentation en eau chaude suivant l'une quelconque des revendications précédentes, dans lequel le chauffe-eau comprend un réservoir d'alimentation (24), caractérisé en ce que les moyens de commande comprennent un dispositif de commutation (27) placé dans le conduit de soutirage (26) dans le voisinage du réservoir d'alimentation (24) dans le but de connecter le conduit de soutirage (26) au réservoir d'alimentation (24) en dessous d'une pression d'eau déterminée dans le conduit de soutirage (26), et dans le but de connecter ledit conduit de soutirage (26) à un conduit d'eau froide (23) au-dessus de cette pression d'eau déterminée.
  10. Système d'alimentation en eau chaude suivant la revendication 9, caractérisé en ce que le dispositif de commutation (27) comprend un cylindre (29) présentant une ouverture d'entrée axiale (30) vers le conduit d'eau froide (23), une ouverture d'entrée latérale (31) vers un conduit (28) conduisant au réservoir d'alimentation (24), une ouverture de sortie latérale (32) vers le conduit de soutirage (26) et une coulisse (34) déplaçable dans ce cylindre (29), dans lequel l'ouverture de sortie latérale (32) se trouve plus près de l'ouverture d'entrée axiale (30) que de l'ouverture d'entrée latérale (31) et, soumise à la pression dans le conduit de soutirage (26), la coulisse (34) adopte une position de repos entre l'ouverture de sortie latérale (32) et l'ouverture d'entrée latérale (31), dans laquelle le conduit de soutirage (26) est connecté au conduit d'eau froide (23), ou adopte une position active entre l'ouverture de sortie latérale (32) et l'ouverture d'entrée axiale (30), dans laquelle le conduit de soutirage (26) est connecté au réservoir d'alimentation (24).
EP00980112A 1999-11-18 2000-11-08 Conduit de soutirage pour eau chaude Expired - Lifetime EP1230520B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL1013603A NL1013603C2 (nl) 1999-11-18 1999-11-18 Tapleiding voor warm water.
NL1013603 1999-11-18
PCT/NL2000/000813 WO2001036878A1 (fr) 1999-11-18 2000-11-08 Conduit de soutirage pour eau chaude

Publications (2)

Publication Number Publication Date
EP1230520A1 EP1230520A1 (fr) 2002-08-14
EP1230520B1 true EP1230520B1 (fr) 2004-08-11

Family

ID=19770276

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00980112A Expired - Lifetime EP1230520B1 (fr) 1999-11-18 2000-11-08 Conduit de soutirage pour eau chaude

Country Status (6)

Country Link
EP (1) EP1230520B1 (fr)
AT (1) ATE273486T1 (fr)
AU (1) AU1741201A (fr)
DE (1) DE60012963T2 (fr)
NL (1) NL1013603C2 (fr)
WO (1) WO2001036878A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6938581B2 (en) * 2003-05-30 2005-09-06 Chart Inc. Supplemental water heater tank and system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2969451A (en) * 1958-05-29 1961-01-24 Ajax Magnethermic Corp Hot water heaters
JPS58127026A (ja) * 1982-01-23 1983-07-28 Toho Gas Kk 給湯装置
US5072717A (en) * 1990-04-16 1991-12-17 Doerte Laing Hot water priming device
DE9111942U1 (de) * 1991-09-20 1991-11-07 Mekkiou, Ferhat, Dipl.-Ing., 1000 Berlin Wasserspareinrichtung für sanitäre Anlagen mit Warmwasserbereiter

Also Published As

Publication number Publication date
EP1230520A1 (fr) 2002-08-14
DE60012963T2 (de) 2005-08-25
ATE273486T1 (de) 2004-08-15
NL1013603C2 (nl) 2001-05-21
WO2001036878A1 (fr) 2001-05-25
AU1741201A (en) 2001-05-30
DE60012963D1 (de) 2004-09-16

Similar Documents

Publication Publication Date Title
CA2664949C (fr) Dispositif de distribution d'eau a des temperatures variables
CN101672426B (zh) 流体供应系统或设备中存留流体的回收利用装置及其使用方法
CA2200895A1 (fr) Systeme de distribution d'eau temperee
CN103300721A (zh) 反渗透空气能热泵饮水机
CN102679534A (zh) 一种节能恒温电热水器
CN206018980U (zh) 一键自控式热水器
US5193138A (en) Off-peak thermal storage system providing a plurality of selected temperature outlets
GB2053429A (en) Water heaters for mobile installations
CN110623540A (zh) 一种饮水机
EP1230520B1 (fr) Conduit de soutirage pour eau chaude
JP2005147451A (ja) ヒートポンプ給湯装置
CN101666565A (zh) 恒温水装置
CN115325708B (zh) 一种智能恒温出水调控装置及方法
GB2200439A (en) Instantaneous water heaters for showers
US20050166313A1 (en) Insulated hot water storage tank for sink
CN213273198U (zh) 双出水式电热水器
GB2237865A (en) Maintaining drinking water at a sufficiently high temperature to avoid contamination
CN202537175U (zh) 反渗透空气能热泵饮水机
JPH0585815B2 (fr)
JPH03186151A (ja) 大能力給湯装置
CN217118144U (zh) 一种用于台面机的凉开水供水系统
CN221205029U (zh) 饮水设备
GB2253268A (en) Water heating and space heating apparatus
EP1559961A2 (fr) Chaudière mixte
GB2200978A (en) Electric water heating apparatus

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

17P Request for examination filed

Effective date: 20020405

AK Designated contracting states

Kind code of ref document: A1

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

AX Request for extension of the european patent

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

17Q First examination report despatched

Effective date: 20030630

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

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): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

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

Ref country code: CH

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: 20040811

Ref country code: CY

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: 20040811

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: 20040811

Ref country code: FI

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: 20040811

Ref country code: TR

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: 20040811

Ref country code: LI

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: 20040811

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REF Corresponds to:

Ref document number: 60012963

Country of ref document: DE

Date of ref document: 20040916

Kind code of ref document: P

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

Ref country code: IE

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

Effective date: 20041108

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 FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20041111

Ref country code: GR

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: 20041111

Ref country code: SE

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: 20041111

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

Ref country code: MC

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

Effective date: 20041130

LTIE Lt: invalidation of european patent or patent extension

Effective date: 20040811

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

ET Fr: translation filed
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: 20050512

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

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

Ref country code: GB

Payment date: 20061020

Year of fee payment: 7

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

Ref country code: NL

Payment date: 20061024

Year of fee payment: 7

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

Ref country code: FR

Payment date: 20061129

Year of fee payment: 7

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: 7

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 NON-PAYMENT OF DUE FEES

Effective date: 20050111

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

Ref country code: DE

Payment date: 20071128

Year of fee payment: 8

Ref country code: LU

Payment date: 20071016

Year of fee payment: 8

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

Ref country code: AT

Payment date: 20071123

Year of fee payment: 8

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

Ref country code: BE

Payment date: 20071003

Year of fee payment: 8

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

Effective date: 20071108

NLV4 Nl: lapsed or anulled due to non-payment of the annual fee

Effective date: 20080601

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

Ref country code: NL

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

Effective date: 20080601

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20080930

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: 20071108

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: 20071130

BERE Be: lapsed

Owner name: *STICHTING ENERGIEONDERZOEK CENTRUM NEDERLAND

Effective date: 20081130

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: 20071108

Ref country code: AT

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

Effective date: 20081108

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

Ref country code: BE

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

Effective date: 20081130

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: 20090603

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

Ref country code: LU

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

Effective date: 20081108