EP0844440A2 - Gassteuerungskasten für den Brenner eines Küchenherdes - Google Patents

Gassteuerungskasten für den Brenner eines Küchenherdes Download PDF

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Publication number
EP0844440A2
EP0844440A2 EP97500021A EP97500021A EP0844440A2 EP 0844440 A2 EP0844440 A2 EP 0844440A2 EP 97500021 A EP97500021 A EP 97500021A EP 97500021 A EP97500021 A EP 97500021A EP 0844440 A2 EP0844440 A2 EP 0844440A2
Authority
EP
European Patent Office
Prior art keywords
gas
valves
distribution box
gas distribution
flow
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
EP97500021A
Other languages
English (en)
French (fr)
Other versions
EP0844440B1 (de
EP0844440A3 (de
Inventor
Inaki Ayastuy Aretxaga
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.)
Fagor Electrodomesticos SCL
Original Assignee
Fagor Electrodomesticos SCL
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 Fagor Electrodomesticos SCL filed Critical Fagor Electrodomesticos SCL
Publication of EP0844440A2 publication Critical patent/EP0844440A2/de
Publication of EP0844440A3 publication Critical patent/EP0844440A3/de
Application granted granted Critical
Publication of EP0844440B1 publication Critical patent/EP0844440B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/12—Arrangement or mounting of control or safety devices
    • F24C3/122—Arrangement or mounting of control or safety devices on stoves

Definitions

  • the present invention relates to the gas fuel distributor and the control elements to distribute gas to the top burners of a domestic stove from a common supply by means of various individual control knobs and outlets.
  • GB-2102557 describes a gas distribution conduit to various stove burners with a channel shaped cross-section and made with two flat plates superposed and sealed together, with the taps for each burner screwed on externally. Said taps are complete articles operating separately themselves with their own gas inlet and outlet and individual clamps for fixing to the distribution conduit.
  • the object of the invention is a gas distribution box to the top burners of a domestic stove that is provided with a common gas inlet and several individual outlets, and the individual elements for control of the gas are valves forming an inseparable part of said distribution box, each of their gas chambers being formed by the walls of said box, which is constructed with two pressed plates, the base plate and the cover plate.
  • the gas distribution box which is the object of the invention has the advantage of reduced cost because the valves do not have a body of their own, but the base and the cover of the box form a common body for all valves, and the walls themselves of the cover and the base of the box form the plurality of sealed gas outlet chambers one for each burners. It also has the advantage of providing a single construction to the set of valves and distribution conduit without the need for a subsequent coupling between them. An added advantage is that the distribution box is an only type of universal-use, valid for any domestic cooking apparatus with top burners.
  • the gas distribution box is constructed as a compact and indivisible block by means of said two pressed plates which are superposed and joined, the rear one the base and the front one the cover, forming a sealed gas conduit between them and, at the same time, the housing enclosure for the control valves. From the distribution box, only emerge the free ends of the rotary shafts operating the valves and both types of gas connectors, the common inlet and the individual outlets. Both parts of the box the base and the cover are drawn-in recesses for the adjusted fit of the valves between them which, in turn, form the surrounding body of the valve, shaping the sealed gas intake and outlet chambers of the valves which are isolated from each other, likewise forming the stops for the rotation of the valve shaft and its tubular guide support.
  • the type of valve used is, for preference, an obturador disc type which rotary disc slips on a fixed seat disc secured to the box cover so that the relative rotation of each disc permits the flow of gas from the intake chamber common to all the valves, to the individual outlet chamber to the burner, through the passage slots in the obturator and seat discs.
  • the operating shaft drives the rotatable obturator disc in cooperation with a cylindrical pusher coaxially coupled to the shaft.
  • the minimum flow through each valve is regulated using a bypass screw which is connected externally to the distribution box. For different burners, the same distribution box is always used, just with the interchange of the bypass screw.
  • FIG. 1 is a front view of the gas distribution box which is the object of the invention.
  • FIG. 2 is a partial view of the back of the distribution box in figure 1.
  • FIG. 3 is a transverse cross-section of the distribution box along III-III in figure 1.
  • FIG. 4 is a partial lengthwise cross-section of the distribution box along IV-IV in figure 1.
  • FIG. 5 is a view of the operating shaft for the valve and its locking pusher.
  • the box 1 for distribution of gas to the burners of a domestic stove is constructed with a front cover 2 and a rear base 3 of pressed plate, both welded along their edges to form between them the common gas intake chamber 5 and the individual exit chambers 6 of each burner, as well as the individual housing bodies wherein the disc valves 8 for control are fitted, each provided with its operating shaft 9.
  • the cover 2 has per valve the circular recess 2a drawn-in into the interior of the box 1 to form the tubular housing 2b of each shaft 9, and providing the support wall on which the seat disc 8 of the valve is secured making a sealed contact
  • the base 3 of the box has the drawn-in housing 3a of uneven outline divided into two parts, as shown in figure 2, one is the partial drawn-in sector 16 in the form of a 160° circular sector, forming the housing 7 for the pusher 10 and the stops 18 and 18' for the rotation in both directions of control shaft 9, while the other section 17 of an arch shape encloses the chamber 6 for the individual output of gas, situated over the arched slot 11 of the seat disc 8 where the gas flow arrives in the direction of arrow 13 of figure 3, from the inlet connector 30, then leaving individually through the output connectors 31.
  • the obturator disc 8b of the valve closes the gas output chamber 6 by means of a seal ring 14 against the base 3, while the seat disc 8a closes the intake chamber 5 using a seal ring 15 against the pressed section 2a of the cover.
  • the enclosure formed between both pressed cover plate 2 and base plate 3 for housing the valves 8, is also the gas distribution conduit 5,6 of the box 1.
  • the shaft 9 of the gas regulation knob turns through a maximum 160° angle from an initial gas flow closed setting, to take the four gas flow positions -off, medium, maximum and minimum- shown in figure 1 by settings a), b), c) and d) of the rotary disc 8b.
  • its passage slot 12 is partially or totally superposed on the passage slot 11 of the seat disc 8a while, in minimum setting d) in figure 1, the moving slot 12 is superposed on the bypass orifice 19 which is coaxial with the minimum flow adjustment screw 20.
  • the operating shaft has an axial coupling protrusion 22 on its inside end and a radial locking and drive tail 24, while the cylindrical pusher 10 has a coupling through orifice 21 into which the protrusion 22 on shaft 9 is inserted, and it has a radial fin 23 with a stepped surface matching the radial tail 24 cooperating to drive the disc 8b in its rotation.
  • the central spring 25 housed in the pusher hole 21 returns the shaft 9 to its rest position when the user stops pushing against the knob, and the coupling spring 26 holds the pusher 10 pressed against the obturator disc 8b.
  • the seat disc 8a and obturator disc 8b are made in this preferred embodiment of ceramic material to increase resistance to wear of the surfaces in contact.
  • the seat disc 8a is fixed to the pressed section 2a of the cover by rivets 27 and has a stopped up notch 28, as shown in figure 4, where the tail 24 on the operating shaft fits partly, while the obturator disc 8b has a through notch 29 into which both the tail 24 on the shaft and the fin 23 on the pusher fit partly.
  • the rotary disc 8b is placed behind the fixed seat disc 8a, i.e. away from the end of the shaft 9, which is why the rotary disc 8b is provided with the pusher 10.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Feeding And Controlling Fuel (AREA)
EP19970500021 1996-09-23 1997-01-24 Gassteuerungskasten für den Brenner eines Küchenherd Expired - Lifetime EP0844440B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES9602011 1996-09-23
ES9602011A ES2145656B1 (es) 1996-09-23 1996-09-23 Caja de distribucion del gas a los quemadores de una cocina.

Publications (3)

Publication Number Publication Date
EP0844440A2 true EP0844440A2 (de) 1998-05-27
EP0844440A3 EP0844440A3 (de) 2000-05-10
EP0844440B1 EP0844440B1 (de) 2002-08-28

Family

ID=8296121

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19970500021 Expired - Lifetime EP0844440B1 (de) 1996-09-23 1997-01-24 Gassteuerungskasten für den Brenner eines Küchenherd

Country Status (3)

Country Link
EP (1) EP0844440B1 (de)
DE (1) DE69714952T2 (de)
ES (1) ES2145656B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103742684A (zh) * 2013-12-25 2014-04-23 卢致英 一种改进的弹簧式卡式阀
WO2025257106A1 (en) * 2024-06-13 2025-12-18 BSH Hausgeräte GmbH Gas control valve

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2102557A (en) 1981-06-19 1983-02-02 Tortube Ltd Gas rail

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1775980A (en) * 1927-07-13 1930-09-16 Earl G Walbridge Stove
ES1008267Y (es) * 1988-11-22 1991-02-16 Isphording Hispania, S.A. Rampa perfeccionada, para grifos de gas.
GB2258909B (en) * 1991-08-22 1994-09-28 New World Domestic Appliances Gaseous fuel flow control arrangements
US5464005A (en) * 1993-04-30 1995-11-07 Mizrahi; Zadok Stove

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2102557A (en) 1981-06-19 1983-02-02 Tortube Ltd Gas rail

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103742684A (zh) * 2013-12-25 2014-04-23 卢致英 一种改进的弹簧式卡式阀
WO2025257106A1 (en) * 2024-06-13 2025-12-18 BSH Hausgeräte GmbH Gas control valve

Also Published As

Publication number Publication date
EP0844440B1 (de) 2002-08-28
DE69714952T2 (de) 2003-04-03
EP0844440A3 (de) 2000-05-10
ES2145656A1 (es) 2000-07-01
ES2145656B1 (es) 2001-01-01
DE69714952D1 (de) 2002-10-02

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