EP0834043B1 - Armatur, insbesondere für einen durchlauf-wassererhitzer - Google Patents
Armatur, insbesondere für einen durchlauf-wassererhitzer Download PDFInfo
- Publication number
- EP0834043B1 EP0834043B1 EP95923262A EP95923262A EP0834043B1 EP 0834043 B1 EP0834043 B1 EP 0834043B1 EP 95923262 A EP95923262 A EP 95923262A EP 95923262 A EP95923262 A EP 95923262A EP 0834043 B1 EP0834043 B1 EP 0834043B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- water
- gas
- control housing
- shaft
- lever
- 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
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N1/00—Regulating fuel supply
- F23N1/08—Regulating fuel supply conjointly with another medium, e.g. boiler water
- F23N1/087—Regulating fuel supply conjointly with another medium, e.g. boiler water using mechanical means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2225/00—Measuring
- F23N2225/04—Measuring pressure
- F23N2225/06—Measuring pressure for determining flow
-
- 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
- F23N2235/16—Fuel valves variable flow or proportional valves
-
- 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
- F23N2235/20—Membrane valves
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/2496—Self-proportioning or correlating systems
- Y10T137/2511—Fuel controlled by boiler or water system condition
Definitions
- the present invention relates to a valve, as in particular for a once-through water heater to control the gas passage depending on the water flow.
- Such fittings for continuous water heaters usually exist from a gas and a water part.
- the Throttle control operated by a hydraulic actuator that is dependent a certain stroke depending on the amount of water flowing through Control of the amount of gas generated.
- the stroke usually only starts at one certain minimum amount, which is necessary for igniting the burner Minimum amount of gas is set and ends with a certain one Maximum amount due to the technical design of the gas burner and the heat exchanger is determined.
- the invention is based on the problem of a valve of the type mentioned develop in which the formation of limescale on the water-bearing Protruding plunger diminished and the influence of such Limescale deposits on the control behavior, as described in detail above, is completely turned off.
- the problem is solved in that in the water-carrying housing the control movement of the membrane is transmitted to a lever, the The fulcrum is a tightly connected, sealed bearing and is connected to this lever Outside of the water-bearing housing forms the leading shaft.
- the shaft also forms the fulcrum for a second one also firmly connected levers. It is between the second lever and a sealed plunger, which in a manner known per se Control movement in the gas-carrying housing by means of stroke movement transmits Push rod element arranged, whereby the rotary movement back into a Stroke movement to control the gas passage is converted.
- the shaft By converting the stroke movement of the membrane into a rotary movement the shaft is achieved that the sealing element required for sealing, usually a 0-ring, the shaft always seals in the same place. An axial Movement no longer occurs in the sealing area. This means that the one that has occurred so far is no longer required Transport of water particles from the water-carrying space and the so associated negative consequences. Even if there is a leakage flow despite that between the water-bearing housing and the shaft seal should occur and limescale build up on the outer end of the shaft these have no influence on the bearing friction and the control behavior.
- the fitting according to the invention is advantageously carried out so that the second lever outside the water-bearing housing in one piece with the shaft connected is.
- the shaft sealed in the interior of the gas-carrying housing leads in the the second lever is arranged so that the transmission of the control movement of the outside in the gas-carrying housing also no longer takes place axially.
- the shaft is then advantageously designed in two parts, a first part of the Shaft leads from the interior of the water-carrying housing to the outside, whereas a second part of the shaft from the interior of the gas-carrying housing leads to the outside
- the water-carrying housing 2 contains, among others, known to those skilled in the art and therefore not explained further here, because it is not essential to the invention Components, a flow switch 21, which acts as a low water indicator serves.
- This flow switch 21 has a high-pressure chamber 22 and a low pressure chamber 23, both through a membrane 24 are separated from each other.
- the membrane 24 is supported on a membrane plate 25 from.
- the low pressure chamber 23 is closed by a cover 26, which is connected on the one hand to the water-carrying housing 2, and on the other hand partially chambered by the gas-carrying housing 1 is.
- a compression spring 27 is supported, which with its other End rests on the diaphragm plate 25.
- a cranked lever is supported on the diaphragm plate 25 3 from, the other end tightly sealed with one in the cover 26 but rotatably mounted shaft 4 is connected.
- the shaft 4 forms at the same time a fulcrum for a second lever 5, it being advantageous is when shaft 4 and lever 5 are made in one piece in the form of a bracket 6 are (Fig. 3).
- the gas-carrying housing 1 contains, among others, also to the person skilled in the art known and therefore not here, because not essential to the invention further explained components, a gas quantity control valve 11.
- the gas quantity control valve 11 is located in a pot-shaped space 13, in the latter Bottom 14 is an otherwise gastight guide 15 for one in the axial Direction of the cup-shaped space 13 longitudinally movable plunger 12 with the valve plate 111 of the gas quantity control valve 11 is connected.
- the valve disk 111 is closed by a return spring 112 loaded, which is supported with its other end on the floor 14.
- the plunger 12 On his the gas flow control valve 11 facing away from the end with the Surrounding space 16 of the otherwise gas-carrying Protrudes housing 1, the plunger 12 has a notch 121, which for Attachment of a push rod element 17 is used.
- the push rod element 17 is U-shaped in this embodiment trained molded part.
- a threaded bore 171 which for receiving a longitudinally adjustable element, for example a screw 174 is used.
- one of the two legs is extended executed and bent at its end 172.
- a recess in the axial extension of the bore 174 173 which serves to receive the notch 121 of the plunger 12.
- the gas quantity control valve 11 also becomes the size of the differential pressure more or less open. So in Fig. 2 is the maximum opening of the Gas flow control valve 11 shown, but it is understood that intermediate positions possible are.
- the screw 174 takes over this task, whose screw-in depth can be varied as desired through the opening 175 can.
- valve according to the invention is of course not on the illustrated Embodiment limited. Rather, there are changes and modifications possible without leaving the scope of the invention.
- the shaft 4 is sealed in the interior of the gas-carrying Housing 1 are performed, it being understood that then the lever 5 must be arranged in the interior of the gas-carrying housing 1.
- the shaft 4 can be designed in two parts, a first part the shaft 4 from the interior of the water-bearing housing 2 to the outside leads, whereas a second part of the shaft 4 from the interior of the gas-carrying housing 1 leads to the outside.
- a desired option for adjustment is then conveniently between the Implementation from the water-carrying housing 2 and the implementation from the gas-carrying housing 1.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Driven Valves (AREA)
- Mechanically-Actuated Valves (AREA)
- Rotary Presses (AREA)
Description
- Fig. 1
- eine Teilansicht einer erfindungsgemäßen Armatur für einen gasbeheizten Durchlauf-Wassererhitzer bei geschlossenem Gasmengensteuerventil
- Fig. 2
- eine Teilansicht einer erfindungsgemäßen Armatur für einen gasbeheizten Durchlauf-Wassererhitzer bei geöffnetem Gasmengensteuerventil
- Fig. 3
- einen Schnitt A - A aus Figur 1
- 1
- gasführendes Gehäuse
- 11
- Gasmengensteuerventil
- 111
- Ventilteller
- 112
- Rückstellfeder
- 12
- Stößel
- 121
- Einkerbung
- 13
- topfförmiger Raum
- 14
- Boden
- 15
- gasdichte Führung
- 16
- Raum
- 17
- Schubstangenelement
- 171
- Bohrung
- 172
- Ende
- 173
- Ausnehmung
- 174
- Schraube
- 175
- Öffnung
- 2
- wasserführendes Gehäuse
- 21
- Strömungsschalter
- 22
- Hochdruckkammer
- 23
- Niederdruckkammer
- 24
- Membran
- 25
- Membranteller
- 26
- Deckel
- 27
- Druckfeder
- 3
- erster Hebel
- 4
- Welle
- 5
- zweiter Hebel
- 6
- Bügel
Claims (5)
- Armatur, insbesondere für einen Durchlauf-Wassererhitzer, zur Steuerung des Gasdurchlasses in Abhängigkeit vom Wasserdurchlauf, mit einem gasführenden Gehäuse (1), einem wasserführenden Gehäuse (2) und einer mechanischen Übertragung, die eine vom Wasserdurchlauf abhängige und vorzugsweise durch jeweils eine im wasserführenden Gehäuse (2) untergebrachte Venturidüse und eine Membran (24) bewirkte Steuerbewegung zunächst aus dem Innenraum des wasserführenden Gehäuses (2) an die Außenseite und sodann von dort in das gasführende Gehäuse (1) auf ein die Gasmenge steuerndes Ventil überträgt, dadurch gekennzeichnet, daß im wasserführenden Gehäuse (2) die Steuerbewegung auf einen Hebel (3) übertragen wird, dessen Drehpunkt eine fest mit diesem Hebel (3) verbundene, abgedichtet gelagerte und zur Außenseite des wasserführenden Gehäuse (2) führende Welle (4) bildet, die somit die Steuerbewegung als Drehbewegung zur Außenseite überträgt, daß die Welle (4) den Drehpunkt für einen zweiten ebenfalls fest mit ihr verbundenen Hebel (5) bildet, und daß die Steuerbewegung in das gasführende Gehäuse (1) in an sich bekannter Weise durch einen abgedichtet gelagerten Stößel (12) mittels Hubbewegung übertragen wird, wobei zwischen dem zweiten Hebel (5) und dem Stößel (12) ein Schubstangenelement (17) angeordnet ist, wodurch die Drehbewegung wieder in eine Hubbewegung zur Steuerung des Gasdurchlasses umgewandelt wird.
- Armatur, insbesondere für einen Durchlauf-Wassererhitzer, nach Patentanspruch 1, dadurch gekennzeichnet, daß der zweite Hebel (5) außerhalb des wasserführenden Gehäuses (2) einstückig mit der Welle (4) verbunden ist.
- Armatur, insbesondere für einen Durchlauf-Wassererhitzer, nach Patentanspruch 1, dadurch gekennzeichnet, daß die Welle (4) abgedichtet gelagert in den Innenraum des gasführenden Gehäuses (1) führt, in dem der zweite Hebel (5) angeordnet ist.
- Armatur, insbesondere für einen Durchlauf-Wassererhitzer, nach Patentanspruch 4, dadurch gekennzeichnet, daß die Welle (4) zweigeteilt ausgeführt ist, wobei ein erster Teil der Welle (4) aus dem Innenraum des wasserführenden Gehäuses (2) zur Außenseite führt, wohingegen ein zweiter Teil der Welle (4) aus dem Innenraum des gasführenden Gehäuses (1) zur Außenseite führt.
- Armatur, insbesondere für einen Durchlauf-Wassererhitzer, nach einem der Patentansprüche 3 oder 5, dadurch gekennzeichnet, daß die mechanische Übertragung zwischen der Durchführung aus dem wasserführenden Gehäuse (2) und der Durchführung aus dem gasführenden Gehäuse (1) justierbar ist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4425200A DE4425200A1 (de) | 1994-07-16 | 1994-07-16 | Armatur, insbesondere für einen Durchlauf-Wassererhitzer |
DE4425200 | 1994-07-16 | ||
PCT/EP1995/002208 WO1996002795A1 (de) | 1994-07-16 | 1995-06-08 | Armatur, insbesondere für einen durchlauf-wassererhitzer |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0834043A1 EP0834043A1 (de) | 1998-04-08 |
EP0834043B1 true EP0834043B1 (de) | 2000-02-09 |
Family
ID=6523362
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95923262A Expired - Lifetime EP0834043B1 (de) | 1994-07-16 | 1995-06-08 | Armatur, insbesondere für einen durchlauf-wassererhitzer |
Country Status (12)
Country | Link |
---|---|
US (1) | US5875807A (de) |
EP (1) | EP0834043B1 (de) |
CA (1) | CA2194584C (de) |
CZ (1) | CZ289761B6 (de) |
DE (2) | DE4425200A1 (de) |
ES (1) | ES2144616T3 (de) |
HU (1) | HU219964B (de) |
IL (1) | IL114552A0 (de) |
PL (1) | PL177671B1 (de) |
PT (1) | PT834043E (de) |
WO (1) | WO1996002795A1 (de) |
ZA (1) | ZA955734B (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7465399B1 (en) * | 2005-02-28 | 2008-12-16 | Hoeptner Iii Herbert W | Filtered and unfiltered water ducting in sink fitting |
US7353834B2 (en) * | 2005-08-25 | 2008-04-08 | Dresser, Inc. | Variable rate pressure regulator |
US8596606B2 (en) * | 2006-09-22 | 2013-12-03 | Jorge Maercovich | Automate fluid flow control system |
US20170082321A1 (en) * | 2012-02-28 | 2017-03-23 | Mertik Maxitrol Gmbh & Co., Kg | Flow control for a continuous-flow water heater |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1065595B (de) * | ||||
US2126378A (en) * | 1933-02-08 | 1938-08-09 | Junkers & Co | Controller for gas-heated apparatus |
DE647449C (de) * | 1933-02-09 | 1937-07-05 | Junkers & Co | Einrichtung zur selbsttaetigen Regelung der Gaszufuhr zu gasbeheizten Geraeten |
US2258590A (en) * | 1938-09-06 | 1941-10-14 | Junkers & Co | Gas valve for liquid heaters |
GB538650A (en) * | 1940-02-08 | 1941-08-12 | Leonard Eugene Cowey | Improvements in and relating to fluid actuated valves and valve fittings |
FR882482A (fr) * | 1941-04-01 | 1943-06-04 | Dispositif de commande automatique de l'arrivée du gaz pour chauffe eaux, chauffe-bains et analogues | |
FR1010002A (fr) * | 1948-07-21 | 1952-06-06 | Chaffoteaux Et Maury Reunis Et | Perfectionnements concernant les dispositifs d'étanchéité aux fluides |
US3327761A (en) * | 1964-10-19 | 1967-06-27 | Technical Marketing Associates | Fuel safety shut-off apparatus |
DE1908408A1 (de) * | 1969-02-20 | 1970-09-10 | Junkers & Co | Vorrichtung zum Steuern der Gaszufuhr zu einem Brenner eines gasbeheizten Umlauf-Wassererhitzers |
US4200258A (en) * | 1977-10-07 | 1980-04-29 | Ranco Incorporated | Butterfly valve |
US4299373A (en) * | 1980-01-28 | 1981-11-10 | Ranco Incorporated | Fluid flow control valve |
US4457486A (en) * | 1982-04-29 | 1984-07-03 | Allegheny Valve Company | Discharge control means for a storage tank for liquid |
JPH0249478Y2 (de) * | 1985-06-19 | 1990-12-26 | ||
DE4316779A1 (de) * | 1992-06-24 | 1994-11-24 | Mertik Maxitrol Gmbh & Co Kg | Gasmengensteuerung, insbesondere für eine Armatur eines Durchlauf-Wassererhitzers |
-
1994
- 1994-07-16 DE DE4425200A patent/DE4425200A1/de not_active Withdrawn
-
1995
- 1995-06-08 HU HU9700124A patent/HU219964B/hu not_active IP Right Cessation
- 1995-06-08 CA CA 2194584 patent/CA2194584C/en not_active Expired - Fee Related
- 1995-06-08 CZ CZ199780A patent/CZ289761B6/cs not_active IP Right Cessation
- 1995-06-08 WO PCT/EP1995/002208 patent/WO1996002795A1/de active IP Right Grant
- 1995-06-08 EP EP95923262A patent/EP0834043B1/de not_active Expired - Lifetime
- 1995-06-08 PT PT95923262T patent/PT834043E/pt unknown
- 1995-06-08 PL PL95318112A patent/PL177671B1/pl not_active IP Right Cessation
- 1995-06-08 ES ES95923262T patent/ES2144616T3/es not_active Expired - Lifetime
- 1995-06-08 US US08/765,839 patent/US5875807A/en not_active Expired - Lifetime
- 1995-06-08 DE DE59507800T patent/DE59507800D1/de not_active Expired - Lifetime
- 1995-07-11 IL IL11455295A patent/IL114552A0/xx unknown
- 1995-07-11 ZA ZA955734A patent/ZA955734B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
PL177671B1 (pl) | 1999-12-31 |
ZA955734B (en) | 1996-05-29 |
CZ8097A3 (en) | 1997-05-14 |
WO1996002795A1 (de) | 1996-02-01 |
DE59507800D1 (de) | 2000-03-16 |
IL114552A0 (en) | 1995-11-27 |
HUT77508A (hu) | 1998-05-28 |
PL318112A1 (en) | 1997-05-12 |
CZ289761B6 (cs) | 2002-04-17 |
PT834043E (pt) | 2000-07-31 |
ES2144616T3 (es) | 2000-06-16 |
CA2194584A1 (en) | 1996-02-01 |
DE4425200A1 (de) | 1996-01-18 |
HU219964B (hu) | 2001-10-28 |
EP0834043A1 (de) | 1998-04-08 |
US5875807A (en) | 1999-03-02 |
CA2194584C (en) | 2007-05-15 |
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