EP2708815A2 - Un robinet de gaz pour tactiles systèmes de contrôle de gaz - Google Patents

Un robinet de gaz pour tactiles systèmes de contrôle de gaz Download PDF

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Publication number
EP2708815A2
EP2708815A2 EP13164656.4A EP13164656A EP2708815A2 EP 2708815 A2 EP2708815 A2 EP 2708815A2 EP 13164656 A EP13164656 A EP 13164656A EP 2708815 A2 EP2708815 A2 EP 2708815A2
Authority
EP
European Patent Office
Prior art keywords
gas
gear
pinion
gearbox
tap
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.)
Withdrawn
Application number
EP13164656.4A
Other languages
German (de)
English (en)
Other versions
EP2708815A3 (fr
Inventor
Gokhan Turhan
Mehmet Demirezen
Isa Gun
Murat Avci
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.)
Turas Gaz Armatuerleri Sanayi ve Ticaret AS
Original Assignee
Turas Gaz Armatuerleri Sanayi ve Ticaret AS
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 Turas Gaz Armatuerleri Sanayi ve Ticaret AS filed Critical Turas Gaz Armatuerleri Sanayi ve Ticaret AS
Publication of EP2708815A2 publication Critical patent/EP2708815A2/fr
Publication of EP2708815A3 publication Critical patent/EP2708815A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K5/00—Feeding or distributing other fuel to combustion apparatus
    • F23K5/002—Gaseous fuel
    • F23K5/005—Gaseous fuel from a central source to a plurality of burners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N1/00—Regulating fuel supply
    • F23N1/005—Regulating fuel supply using electrical or electromechanical means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K2900/00—Special features of, or arrangements for fuel supplies
    • F23K2900/05002—Valves for gaseous fuel supply lines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2235/00—Valves, nozzles or pumps
    • F23N2235/12—Fuel valves
    • F23N2235/24—Valve details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2237/00—Controlling
    • F23N2237/02—Controlling two or more burners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2241/00—Applications
    • F23N2241/08—Household apparatus

Definitions

  • the invention relates to a gas tap with electromagnet that can be used in gas control systems enabling gas taps used in domestic cooking appliances to be touch controlled by the user.
  • the invention relates to controlling gas flow rate with a single touch instead of pushing the shaft forward and rotating it, without any need for the shaft, in the gas tap with electromagnet operating synchronically with touch-sensitive gas control system, and thus achieving a burning in desired power (kW) level in burners.
  • desired power kW
  • the touch-sensitive gas control system it will be enough for the user to select the desired burning state by only touching the button.
  • the newly developed gas tap with electromagnet will be able to be used.
  • the application made by the firm Electrolux Professional and numbered EP 2 273 678 A2 discloses a touch button for cooking appliances. As seen in Fig. 1 , the user can adjust any burning state desired by a single touch with his/her finger (F). However, this application covers only touch button, yet it discloses no gas control system or gas tap.
  • the application made by the firm Electrolux Home Product Corporation and numbered WO 2006/128831 discloses a touch-sensitive control panel.
  • This panel comprises an outer plate (1) (i.e. upper part) with external contact areas (100) and a command assembly (2) (i.e. lower part) with an electronic circuit and components (3) thereof.
  • This application only discloses a touch-sensitive control panel. Therefore, said application differs from the subject matter of the present invention and discloses no gas control system, gas tap or burner connected to said panel.
  • the control panel developed within the scope of our invention is completely different from the one disclosed therein.
  • the application numbered US 2002/0045142 discloses a touch-controlled gas control system.
  • the invention comprises a burner (114) where burning occurs and which is composed of a microcontroller (101), two valves (112, 113), a gas line conduit (123), an igniter (117), a flame holder, as well as comprising various modules (igniter module, sensor module, etc.).
  • this system is quite complex and two valves (112, 113) within the system are only schematically displayed. In other words, no novelty or improvement on the valves has been made.
  • a simple gas control system and a new gas tap with electromagnet operating in coordination with this system are disclosed.
  • EP 1 909 029 discloses a safety electromagnetic gas tap.
  • an electromagnet (2) is provided in safety gas tap and the operation of said electromagnet within the system is explained.
  • an electromagnet is used in gas tap, just as in our invention.
  • the electromagnet comprised by our invention operates completely as a part of touch-sensitive control system and permits gas passage or stops gas flow, via the current coming from control panel. Therefore, our invention is quite a different application from the former application.
  • the application owned by the firm Mondragon Componentes S. Coop. and numbered EP 2 203 044 discloses a gas tap (3) comprising an electromagnet therein, as in the application numbered EP 1 909 029 .
  • the magnet used therein also functions as a part of the touch-sensitive control system, just as in the former application.
  • the object of the invention is to introduce a gas tap operating in coordination with touch-sensitive gas control systems allowing touch control of the gas flow rate directed to outlet in gas taps used in domestic cooking appliances.
  • safety gas tap which is used in domestic cooking appliances and which directs gas flow to the burners by synchronically operating with touch-sensitive gas control system (A) comprises a body, a gas inlet, a gas outlet, a male, a pin, a gasket, a gearbox, a servomotor, a gear, a pinion and a gear system cover; as well as an electromagnet directly connected to control panel by means of an electromagnet connecting cable.
  • two screw holes are provided on the gearbox in order for it to reach to connecting screws easily.
  • two C-shaped cavities are provided in circular gear housing (2.12.8), which is positioned symmetric to Y-axis.
  • the distance between the centers of these two C-shaped cavities is equal to or greater than the ridge diameter in the lower surface of the gear.
  • one adjustment screw hole is provided on the gearbox in order for the user to reach to the adjustment screw easily.
  • At least one thread having a thread length different from thread length of the threads that are radially scattered around gear center along the spring (w), which a certain angle ⁇ faces, is provided.
  • At least one closed position thread cavity is provided in the pinion such that at least one thread on the gear will be placed therein in order to define the closed position.
  • the length b1 on the pinion is the same size as the depth b2 on the gearbox.
  • one adjustment screw hole is provided on gear system cover in order to reach to the adjustment screw easily.
  • the inner diameter of the circular vertical extension is equal to or greater than pin diameter, in order for the circular vertical extension provided on gear system cover to center the pin.
  • FIG. 1 the overall perspective view of a cooker (B) which is provided with gas control system (A) according to the invention, and to which gas tap (2) according to the invention operating in coordination with said gas control system (A) is mounted, is given.
  • gas control system (A) gas control system
  • FIG. 2 another perspective view showing the inner part of the same cooker (B) is given.
  • FIG. 4 schematic view of touch-sensitive gas control system (A) developed for domestic cookers or ovens, is given.
  • the system is composed of a control panel (1), at least one gas tap (2) directing the gas, and at least one burner (3) where the gas at a certain flow rate (Q) passing through this gas tap (2) is directed and where burning takes place.
  • a microprocessor 1.1
  • a digital indicator 1.3
  • a signal amplifier 1.2
  • a touch button (1.4) connected to said control panel (1) by means of a connecting cable (1.5) and helping the user to adjust the tap (2) to the desired position is provided.
  • this state is displayed in digital indicator (1.3).
  • the information coming from software is processed by microprocessor (1.1) and then is transferred to servomotor (2.14). Again, the electromagnet (2.6) is turned on by being provided with current and the electromagnet (2.6) allows gas passage.
  • microprocessor (1.1) is that the igniter (3.1) performs ignition at certain intervals (e.g.
  • Servomotor (2.14) drives the system in accordance with the information received and the male (2.4) is rotated at a certain angle, and thus the gas (Q) at a certain flow rate is directed to outlet.
  • the gas directed to gas outlet (2.3) is transferred to the burner (3) where burning will take place, by means of interconnecting pipes. That is, a gas flow (1.7) from the tap (2) towards the burner (3) takes place.
  • flame holder (3.3) detects the heat, thereby providing burning consistency.
  • This information coming from flame holder (3.3) is amplified by a signal amplifier (1.2) such that software can detect and the information is detected.
  • burning at desired power (kW) level by the user is performed in the burner (3).
  • a power cable (1.6), an igniter connecting cable (3.2), a flame holder connecting cable (3.4), a flame holder grounding cable (3.5), a touch button connecting cable (1.5), and a servomotor connecting cable (2.14.2) are included in control panel (1).
  • electromagnet connecting cable (2.7) is directly connected with control panel (1). That is, the information is sent to electromagnet (2.6) directly from control panel (1).
  • control panel (1) stops providing current to electromagnet (2.6) and electromagnet (2.6), in turn, automatically stops gas supply.
  • the gas tap (2) comprises, in most general terms, a body (2.1), a gas inlet (2.2), a gas outlet (2.3), a pin (2.5), a male (2.4), a spring (2.8), a segment (2.8.1) preventing said spring (2.8) from being displaced, an adjustment screw (2.10), a gasket (2.11), a union (2.9), and an electromagnet (2.6).
  • a gearbox (2.12) and a gear system cover (2.13) mounted on it are provided in the newly developed tap (2).
  • Exploded view of the components constituting gas tap (2) is given in Fig. 6 for a better understanding thereof.
  • a tap (2) is seen together with the reference numerals of the following components; a male (2.4), a pin (2.5), a spring (2.8) and an adjustment screw (2.10).
  • the tap (2) is provided with shaft and cover, as in conventional taps.
  • the gearbox (2.12) is mounted on the body (2.1) of said tap (2) by means of two connecting screws (2.12.14).
  • Servomotor (2.14), gear (2.15) and pinion (2.16) are located in said gearbox (2.12).
  • Servomotor (2.14) is fixed inside the gearbox (2.12) by means of at least one fixing screw (2.14.3).
  • Gear (2.15) and pinion (2.16) are located in housings (to be further explained) (1.12.8, 2.12.10) within gearbox (2.12) and the gear (2.15) is connected to outlet gear (2.14.1) of servomotor (2.14) via a gear connecting screw (2.15.4).
  • the gear system cover (2.13) is mounted on said gearbox (2.12) such that it will be entirely closed, by means of at least four connecting screws (2.13.5).
  • Fig. 7 the overall perspective view of the gas tap (2) according to the invention, in which electromagnet part (2.6) is omitted, is given.
  • the function of electromagnet (2.6) is to allow gas passage in accordance with the current provided by control panel (1), or to stop gas supply. In other words, it is to provide safety in the tap (2).
  • the function of the pin (2.5) seen in Fig. 8 is to prevent gas leakage from the gasket (2.11) and male (2.4) positioned thereon.
  • said pin (2.5) is provided with a spring (2.8) embedded thereon, and with a segment (2.8.1) that prevents this spring (2.8) from being displaced.
  • the pin (2.5) is pushed forward.
  • the pin (2.5) is positioned in circular vertical extension (2.13.3.5) provided in the lower part of said cover (2.13). What is aimed by designing this circular vertical extension (2.13.3.5) is to allow both the centering of the pin (2.5), and embedding the pinion (2.16).
  • the male (2.4) as seen in Fig. 9 enables the gas at desired flow rate (Q) to be directed to outlet (2.3) in accordance with the burning state chosen via touch button (1.4).
  • Gas passage at desired flow rate (Q) is performed by means of holes and channels (2.4.2) on the male (2.4).
  • flame holder (3.3) detects it and the control panel (1) stops electromagnet (2.6) current, thereby automatically stopping gas flow with the electromagnet (2.9) cutting off current.
  • FIG. 10 Another perspective view of the tap (2) according to the invention is given in Fig. 10 , while the perspective view showing the inner part of the tap (2) according to the invention, without gear system cover (2.13) thereon, is given in Fig. 11 ; and in Fig. 12 , overall perspective views of the gearbox (2.12) are given in Fig. 12 .
  • a rectangular servomotor housing (2.12.7) is provided in said gearbox (2.12).
  • Servomotor (2.14) driving the system is located in said servomotor housing (2.12.7).
  • Two servomotor fixing ridges (2.12.13) are provided in said rectangular servomotor housing (2.12.7).
  • the length (2.12.13.1) of said fixing ridges is the same size as the distance (2.14.6) between lower surface (2.14.4.1) of servomotor connecting ridge (2.14.4) and servomotor lower surface (2.14.5).
  • servomotor (2.14) is mounted on the gearbox (2.12) by means of at least one screw (2.14.3).
  • a servomotor connecting cable duct (2.12.5) is designed in the lower part of the gearbox (2.12).
  • At least four internal threaded screw holes (2.12.1), an adjustment screw hole (2.12.2), and two mounting holes (2.12.3) onto the body are provided on gearbox (2.12).
  • two screw hole cavities (2.12.11) are designed within said gearbox (2.12) in order to facilitate reaching connection screws (2.12.14).
  • a servomotor outlet gear (2.14.1) is provided in the upper part of servomotor (2.14).
  • This servomotor outlet gear (2.14.1) is placed in stepped and internal threaded center hole (2.15.2.2) in lower surface of the gear and is mounted by means of a screw (2.15.4) located in stepped gear center hole (2.15.1.2) on the upper surface of the gear, thereby rotation movement being transferred to the gear (2.15). Therefore, the size of said servomotor outlet gear (2.14.1) is such that it will be properly located in said stepped and internal threaded center hole (2.15.2.2) on the lower surface of the gear and thread features thereof are consistent with one another.
  • the gear (2.15) is placed in circular gear housing (2.12.8) on the gearbox (2.12).
  • the diameter (2.12.8.1) of said circular gear housing is equal to or greater than the outer diameter (2.15.5) of the gear.
  • two C-shaped cavities (2.12.9) are provided in circular gear housing (2.12.8) that is positioned symmetric to Y-axis.
  • the ridge (2.15.2.1) on the lower surface (2.15.2) of the gear (2.15) is placed in said two C-shaped cavities (2.12.9), thereby serving as a bearing for the gear (2.15).
  • the distance (2.12.9.1) between the centers of these two C-shaped cavities (2.12.9) is equal to or greater than the ridge diameter (2.15.2.1.1) in the lower surface of the gear. Referring to the gearbox (2.12) in Fig.
  • said circular gear housing (2.12.8) and a circular pinion housing (2.12.10) are seen, the latter being centered in the same X-axis as the former.
  • the diameter (2.12.10.1) of this circular pinion housing (2.12.10) is equal to or greater than outer diameter (2.16.8) of the pinion (2.16).
  • a hole (2.12.6) through which a male in the same center as said circular pinion housing (2.12.10) is provided.
  • gearbox (2.12) is mounted on the tap (2), the components called male (2.4) passes through this hole (2.12.6). Therefore, the diameter (2.12.6.2) of the hole (2.12.6) through which said male passes is equal to or greater than the diameter (2.4.3) of the upper part of the male.
  • an inner level (2.12.6.1) of the hole through which a male passes with a greater diameter than the diameter (2.12.6.2) of the hole through which said male passes is provided.
  • the diameter of the inner level (2.12.6.1.1) through which said male passes is required to be equal to or greater than the inner diameter (2.16.7) of the pinion (2.16).
  • the male (2.4) is enabled to pass through pinion hole (2.16.1) and the pinion (2.16) is placed on said inner level (2.12.6.1) of the hole through which said male passes. Therefore, the diameter (2.16.1.1.1) of the pinion hole level is such that the outer diameter (2.4.3) of the upper part of the male will pass there through, preferably between 7 and 14 mm.
  • pinion nail (2.16.2) provided on pinion (2.16) and placed in pinion hole (2.16.1) passes through male crack (2.4.1). Therefore, the width (2.16.2.1) of said pinion nail (2.16.2) can be between 1 and 4 mm, such that it will pass through male crack (2.4.1). Again, radially scattered threads (2.16.3) around pinion (2.16) center are provided.
  • the distance b1 on the pinion (2.16) is the same size as the depth b2 on the gearbox (2.12).
  • b2 is the depth of the inner level of the hole (2.12.6) through which the male passes.
  • b1 is the distance between pinion upper surface (2.16.5) and upper surface (2.16.6) of thread section.
  • the function of the pinion nail (2.16.2) is to transfer rotation movement coming from the gear (2.15) to the male (2.4). Gas passage at a certain flow rate (Q) through the holes and channels (2.4.2) on the male (2.4) is permitted by the rotation movement transferred to the male (2.4).
  • radially scattered threads (2.15.3) are provided in gear (2.15) around center of gear (2.15), on the spring section (w) which a center angle ⁇ faces.
  • Said gear center angle ⁇ can be between 500 and 200°, depending on operating angles of the tap (2).
  • Thread length and thread cavities of all of these threads (2.15.3) are the same, except for at least one thread (2.15.3.1) having a different thread length.
  • Thread length (2.15.3.1.1) of at least one thread (2.15.3.1) having a different thread length is bigger than thread size of the other threads (2.15.3), preferably between 3 and 6 mm.
  • FIGs 17 , 18, and 19 different views of the gear system cover (2.13) are given.
  • the gear system cover (2.13) in Fig. 17 it is designed in such a form that it will completely cover the gearbox (2.12).
  • at least four screw holes (2.13.1) are provided on the upper surface (2.13.4) of said gear system cover (2.13).
  • Each one of said screw holes (2.13.1) has screw hole inner levels (2.13.1.1) in order for screw heads to be placed thereto.
  • At least one adjustment screw hole (2.13.2) is provided in order to reach the adjustment screw (2.10). All of these screw holes (2.13.1, 2.13.2) on the upper surface (2.13.4) are opened into the lower surface (2.13.3) of the cover as seen in Fig. 18 .
  • Said circular gear housing (2.13.3.1) and circular pinion housing (2.13.3.3) have peripheral beveling (2.13.3.2, 2.13.3.4) (one for each).
  • the ridge (2.15.1.1) on the upper surface (2.15.1) of the gear (2.15) is placed in said circular gear housing (2.13.3.3). Therefore, the diameter (2.13.3.1.1) of the circular gear housing (2.13.3.1) can be equal to or greater than the of upper surface ridge diameter (2.15.1.1.1) of the gear (2.15).
  • a pinion (2.16) is positioned in circular pinion housing (2.13.3.3) on the gear system cover (2.13).
  • the diameter (2.13.3.3.1) of this circular pinion housing (2.13.3.3) can be equal to or greater than the outer diameter (2.16.8) of the pinion.
  • the circular vertical extension (2.13.3.5) on the lower surface (2.13.3) of the gear system cover (2.13) is designed for pushing the pin (2.5) forward. Therefore, the inner diameter (2.13.3.5.1) of said circular vertical extension (2.13.3.5) can be equal to or greater than pin diameter (2.5.1). It is required that the outer diameter (2.13.3.5.2) of said circular vertical extension (2.13.3.5) is smaller than the diameter (2.16.1.2) of the pinion (2.16) hole.
  • U-shaped vertical extension (2.13.3.6) facilitates positioning of the cover (2.13) in servomotor housing (2.12.7) section, as well as preventing wrong mounting. Therefore, the width (2.13.3.6.1) of said U-shaped vertical extension and the width (2.12.7.1) of servomotor housing of the gearbox (2.1) are of the same size.
  • at least two vertical extensions (2.13.3.7) positioned between screw holes (2.13.1) are designed such that they will be engaged in gear system cover mounting cavities (2.12.12) on the gearbox (2.12).
  • gear system cover (2.13) is mounted on gearbox (2.12) by means of at least four connecting screws (2.13.5). Due to the fact that gear system cover (2.13) is mounted on gearbox (2.12) so as to completely cover it, food residues and other external residues are prevented from getting in gearbox (2.12), thereby avoiding damages to the system operation, as well as prolonging service life thereof.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Feeding And Controlling Fuel (AREA)
EP13164656.4A 2012-09-17 2013-04-22 Un robinet de gaz pour tactiles systèmes de contrôle de gaz Withdrawn EP2708815A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TR201210585 2012-09-17

Publications (2)

Publication Number Publication Date
EP2708815A2 true EP2708815A2 (fr) 2014-03-19
EP2708815A3 EP2708815A3 (fr) 2017-12-13

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Application Number Title Priority Date Filing Date
EP13164656.4A Withdrawn EP2708815A3 (fr) 2012-09-17 2013-04-22 Un robinet de gaz pour tactiles systèmes de contrôle de gaz

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3182005A1 (fr) * 2015-12-14 2017-06-21 Turas Gaz Armatürleri Sanayi Ve Tic. A.S. Un robinet de gaz comprenant un moteur pas à pas et solenoid coil

Citations (5)

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Publication number Priority date Publication date Assignee Title
US20020045142A1 (en) 1999-10-18 2002-04-18 Repper Pierre P. Electronic gas cooktop control with simmer system and method thereof
WO2006000020A1 (fr) 2004-06-29 2006-01-05 European Nickel Plc Lixiviation amelioree de metaux de base
EP1909029A2 (fr) 2006-10-04 2008-04-09 Orkli, S. Coop. Soupape électromagnétique de sécurité dotée d'un ressort interne
EP2203044A1 (fr) 2007-10-16 2010-07-07 Frydendahl Im- Og Export A/S Procédé de fabrication d'une ligne de fond avec éléments de lest
EP2273678A2 (fr) 2001-07-07 2011-01-12 Electrolux Professional AG Dispositif de commande pour appareil de cuisson

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Publication number Priority date Publication date Assignee Title
DE10148642B4 (de) * 2001-10-02 2006-04-27 Robert Seuffer Gmbh & Co. Kg Kochherd mit einer Bedieneinheit zum Bedienen wenigstens einer von einem Gasbrenner beheizten Kochstelle
ES2391516B1 (es) * 2005-02-28 2013-10-04 Bsh Electrodomésticos España, S.A. Aparato de gas, en particular un fuego de una cocina de gas.
DE102006009496A1 (de) * 2006-02-27 2007-08-30 Isphording Germany Gmbh Ventilanordnung für eine Gasinstallation
ITBG20060042A1 (it) * 2006-08-25 2008-02-26 G20 Engineering Srl Dispositivo di comando di un otturatore di una valvola di regolazione e valvola di regolazione comprendente tale dispositivo .
EP2183524A1 (fr) * 2007-07-23 2010-05-12 Clara Appliances Pty Ltd Système de régulation d'écoulement de gaz

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020045142A1 (en) 1999-10-18 2002-04-18 Repper Pierre P. Electronic gas cooktop control with simmer system and method thereof
EP2273678A2 (fr) 2001-07-07 2011-01-12 Electrolux Professional AG Dispositif de commande pour appareil de cuisson
WO2006000020A1 (fr) 2004-06-29 2006-01-05 European Nickel Plc Lixiviation amelioree de metaux de base
EP1909029A2 (fr) 2006-10-04 2008-04-09 Orkli, S. Coop. Soupape électromagnétique de sécurité dotée d'un ressort interne
EP2203044A1 (fr) 2007-10-16 2010-07-07 Frydendahl Im- Og Export A/S Procédé de fabrication d'une ligne de fond avec éléments de lest

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3182005A1 (fr) * 2015-12-14 2017-06-21 Turas Gaz Armatürleri Sanayi Ve Tic. A.S. Un robinet de gaz comprenant un moteur pas à pas et solenoid coil

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