EP1382908A2 - Dispositif de commande de débit d'un gaz - Google Patents

Dispositif de commande de débit d'un gaz Download PDF

Info

Publication number
EP1382908A2
EP1382908A2 EP20030016213 EP03016213A EP1382908A2 EP 1382908 A2 EP1382908 A2 EP 1382908A2 EP 20030016213 EP20030016213 EP 20030016213 EP 03016213 A EP03016213 A EP 03016213A EP 1382908 A2 EP1382908 A2 EP 1382908A2
Authority
EP
European Patent Office
Prior art keywords
gas
control device
valve
auxiliary chamber
gas 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
EP20030016213
Other languages
German (de)
English (en)
Other versions
EP1382908B1 (fr
EP1382908A3 (fr
Inventor
Gerrit Jan Baarda
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.)
Garrett Motion SARL
Original Assignee
Honeywell BV
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 Honeywell BV filed Critical Honeywell BV
Publication of EP1382908A2 publication Critical patent/EP1382908A2/fr
Publication of EP1382908A3 publication Critical patent/EP1382908A3/fr
Application granted granted Critical
Publication of EP1382908B1 publication Critical patent/EP1382908B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2235/00—Valves, nozzles or pumps
    • F23N2235/12—Fuel valves
    • F23N2235/14—Fuel valves electromagnetically operated
    • 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
    • F23N2235/18—Groups of two or more 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
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7781—With separate connected fluid reactor surface
    • Y10T137/7782—With manual or external control for line valve
    • 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
    • Y10T137/8593—Systems
    • Y10T137/87917—Flow path with serial valves and/or closures

Definitions

  • the present invention relates to a Gas flow control device according to the preamble of Patent claim 1.
  • Control devices for gas burners are for the regulation of Gas supply to the gas burner provided and are between a gas supply source and the gas burner arranged.
  • various control devices for gas burners known and have, for example Main valve, a differential pressure generating device and an associated controller. It serves according to the state the technique of adjusting the regulator Gas outlet pressure to a setpoint.
  • a differential pressure created and set is after the state the technology between two channels a differential pressure created and set. Between the channels is a Valve arranged, the valve element with a Biasing device biased in the closing direction becomes. A generated differential pressure allows opening the valve against the biasing device, creating a Gas flow is enabled. By setting the Differential pressure between the first channel and the second Channel can also be set the gas outlet pressure.
  • the differential pressure For example, generated by a device over external lines with the respective pressure ranges of Gas flow control device are connected.
  • the gas flow control device has a Gas inlet and a gas outlet on a pressurized Housing in which an intermediate chamber through a membrane of the gas inlet is separated, wherein by a Differential pressure between the inlet and the auxiliary chamber a valve arrangement is operable to control a flow of to adjust the gas inlet to the gas outlet.
  • a servo pump in the Housing provided the differential pressure by pumping the Gas causes from the auxiliary chamber to the gas inlet.
  • the servo pump on a Dividing wall arranged, which is the auxiliary chamber of the channel of the Gas inlet separates.
  • the pump is within the Control device arranged at a position at the Areas of the regulatory device between which the Differential pressure is present, adjacent to each other.
  • the gas flow control device an overflow device on, which has a permanent fluid connection between the Auxiliary chamber and the channel of the inlet forms. It has the overflow device several functions. One thing becomes allows the pressure at the gas inlet in the auxiliary chamber is present, for example, if the power steering pump is not in Operation is. This can reduce the pressure on the back of the Membrane act and the valve element with an elevated Press force on the valve seat. On the other hand, the Overflow device during operation of the pump Throttle function, so that the pressure in the auxiliary chamber can be lowered. In addition, the wears Overflow device for the inherent safety of the system at, since the valve is closed in case of failure of the servo pump becomes.
  • the overflow from at least one opening is arranged on the partition, which is the auxiliary chamber of separates the channel of the gas inlet, and / or at least a channel which is provided on the servo pump.
  • a hole may be provided in the partition wall be.
  • the hole can also be provided on the membrane be.
  • the position of the hole or the overflow device is freely selectable, as long as a permanent fluid connection between the auxiliary chamber and the channel of the inlet is possible.
  • the overflow device can also be used as a Channel be formed in the servo pump. Does that exist? Valve arrangement of more than one valve, so there preferably the overflow device of a number of Openings or channels, the number of valves equivalent.
  • the valve assembly at least two functionally separate Valves on.
  • the valves are with respect to the flow arranged in a row. This is especially effective to the inherent security of the system and in particular the to increase passive valves. Should be an element of a Valve fail, the other valve can the flow of Lock gas with the servo pump switched off. If for example, a spring of a valve should fail, so the valve element can not automatically on the Valve seat are placed. It can also be more than two Be provided valves. In addition, parameters of Valve arrangement, such as the spring stiffness of the Springs, the effective areas of the membranes, so be set that an advantageous Responsiveness of the overall system can be obtained.
  • valve assembly closes the connection between the Gas inlet and the gas outlet when the differential pressure is less than a predetermined value. This will cause that only during operation of the servo pump causes a flow becomes.
  • flow pressure, flow rate
  • the flow adjusted by adjusting or regulating the servo pump become. Should the pump fail, it will close Valve assembly automatically, allowing the flow is locked.
  • a preferred embodiment of the invention presses the pressure in the auxiliary chamber at the valve element closed valve on the valve seat. So if the Pressure in the auxiliary chamber and with the servo pump switched off Also in the channel of the gas inlet increases, too the force with which the membrane the valve element on the Valve seat presses. Thus, according to the requirements a increased tightness at elevated pressure in the gas inlet be achieved.
  • a biasing device for closing the connection a valve element or the membrane provided.
  • the Biasing device for example, as a spring may be formed, an automatic closing of the Valve allows when the servo pump is turned off. It also adds to the security of the overall system elevated.
  • the Servo pump an electrically operated pump. This will causes only electrical connections in the Area of the partition between the auxiliary chamber and the Channel of the gas inlet must be provided. Furthermore An electric pump is easily adjustable.
  • Fig. 1 shows a first embodiment of Control device according to the invention for gas burners.
  • Fig. 2 shows a second embodiment of Control device according to the invention for gas burners.
  • Fig. 1 the control device is schematic shown.
  • the control device has a gas inlet 1 and a gas outlet 10.
  • a valve assembly consisting of a valve element 5, a biasing element 4 and a valve seat 6 arranged.
  • the biasing element 4 pressed in the pressureless state, the valve element 5 against the Valve seat 6 and locks the connection between the Gas inlet 1 and the gas outlet 10.
  • an auxiliary chamber 11 At the gas inlet 1 in Flow direction is provided an auxiliary chamber 11.
  • a Overflow device 3 is formed, via which the gas inlet 1 is always in communication with the auxiliary chamber 11.
  • the Overflow device 3 is in this embodiment as a hole in the partition wall between the auxiliary chamber and the Gas inlet formed.
  • the Auxiliary chamber 11 disposed on the channel extending from the Gas inlet 1 extends in the flow direction to the valve.
  • a membrane 9 is located between the channel, the extending from the gas inlet 1, and the auxiliary chamber 11.
  • the membrane 9 is arranged in the partition wall.
  • the valve element 5 is for closing a valve seat 6 aligned in its direction and on one side of the Diaphragm 9 is arranged, which is aligned with the valve seat is.
  • This valve seat 6 opens into the channel of the Gas outlet 10.
  • the spring 4 biases the membrane 9 and thus the valve element 5 in the pressureless state of the system the valve seat 6 and thus blocks the connection between the Gas inlet 1 and the gas outlet 10th
  • Servo pump 2 is provided in the pressure-carrying housing Servo pump 2 .
  • This power steering pump 2 is so arranged to be the fluid from the auxiliary chamber 11 to can promote the channel of the gas inlet 1.
  • the servo pump 2 is preferably an electrically operated pump.
  • the electric power is the servo pump 2 via electrical Lines fed, which are routed through one of the outer walls are.
  • the power steering pump 2 can thus be arranged on the dividing wall be that the power steering pump 2 penetrates the partition wall.
  • the power steering pump 2 may be located anywhere in the be arranged pressure-carrying housing, in which case inside the housing lines for connecting the Servo pump 2 with the auxiliary chamber 11 and with the channel of Gas inlet 1 must be provided.
  • the Pressure in the auxiliary chamber 11 with respect to the pressure in the Gas inlet 1 decreases, causing the differential pressure forms between the auxiliary chamber and the gas inlet.
  • the Throughput of the servo pump 2 is adjustable, can also the differential pressure between the channel of the gas inlet. 1 and the auxiliary chamber 11 can be adjusted. That is, the Differential pressure may take on a value at which the Valve element 6 against the biasing force of the spring 4 of the Valve seat 6 lifts off as soon as the amount of the sum of Compressive forces acting on the membrane 9, greater than the amount of spring force of the spring 4th
  • the pump is in the control device arranged.
  • the power steering pump is on the element arranged, the auxiliary chamber 11 and the channel of the Gas inlet 1 separates.
  • the electrically operated servo pump 2 is supplied via lines with electrical energy, passing through one of the walls of the control device are guided. There are thus no further gas lines required to the power steering pump 2 with the auxiliary chamber 11th and the channel of the gas inlet 1 to connect. This results increased safety, as a reduction of Connections, pipelines and the like, a Reduction of causes causes damage.
  • a partition wall is arranged, on which a servo pump 2 is arranged, which the fluid or the gas from the Feed the auxiliary chamber 11 into the channel of the gas inlet 1 can.
  • a valve assembly with a Valve element 5, a spring 4 and a valve seat. 6 intended.
  • the valve seat 6 does not open directly into the gas outlet 10, but is in conjunction with a second valve arrangement.
  • the spring 4 'of the second Valve arrangement is in a second auxiliary chamber 11 ' arranged and attached to one of its walls.
  • the second Auxiliary chamber 11 communicates with the first auxiliary chamber 11 an opening 12 in connection.
  • the opening 12 between the first auxiliary chamber 11 and the second auxiliary chamber 11 ' can be designed to be a predetermined Throttle effect has.
  • the response of the Valve arrangement to be matched.
  • the security the control device further increased because of failure of elements of one of the valve assemblies the second Valve assembly is able to shut off when Servo pump 2 the flow of gas sufficiently safe lock.
  • the overflow device 3 of the second Embodiment of at least two separate Openings will cause two of each other structurally separate valve systems are provided at which each have an opening for one of the valve systems is provided.
  • the second opening When clogging one of the openings of Overflow device 3 is still the second opening to Available and provides the function of the entire system with only a servo pump 2 safely.
  • the overflow device 3 provided on the power steering pump 2.
  • the servo pump. 2 arranged on the partition, which the auxiliary chamber 11 of the Gas inlet 1 separates.
  • the auxiliary chamber 11 is a Channel provided in the power steering pump 2, which is the auxiliary chamber 11 connects to the channel of the gas inlet 1.
  • the Overflow device 3 consists of more than one opening, These openings can all be in the servo pump 2 be provided. However, it is also possible to have several Provide openings on the power steering pump 2 and the partition.
  • a gas flow control device has a gas inlet 1, a gas outlet 10, an auxiliary chamber 11 with a Partition wall to the gas inlet 1 on.
  • a valve assembly 4 Through a Differential pressure between the inlet 1 and the Intermediate chamber 11 is a valve assembly 4, 5, 6; 4 ', 5', 6 'actuated via a diaphragm on the partition to a Flow from the gas inlet 1 to the gas outlet 10th adjust.
  • a servo pump 2 on the Partition provided, which measures the differential pressure by pumping of the gas from the intermediate chamber 11, 11 'to the gas inlet 1 causes.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Driven Valves (AREA)
  • Safety Valves (AREA)
  • Flow Control (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Feeding And Controlling Fuel (AREA)
EP20030016213 2002-07-18 2003-07-17 Dispositif de commande de débit d'un gaz Expired - Lifetime EP1382908B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10232654 2002-07-18
DE2002132654 DE10232654B3 (de) 2002-07-18 2002-07-18 Gasdurchflussregeleinrichtung

Publications (3)

Publication Number Publication Date
EP1382908A2 true EP1382908A2 (fr) 2004-01-21
EP1382908A3 EP1382908A3 (fr) 2005-04-13
EP1382908B1 EP1382908B1 (fr) 2010-09-29

Family

ID=29762044

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20030016213 Expired - Lifetime EP1382908B1 (fr) 2002-07-18 2003-07-17 Dispositif de commande de débit d'un gaz

Country Status (4)

Country Link
US (1) US6978798B2 (fr)
EP (1) EP1382908B1 (fr)
AT (1) ATE483140T1 (fr)
DE (2) DE10232654B3 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060227347A1 (en) * 2005-03-30 2006-10-12 Quark, Inc. Systems and methods for importing color environment information
US8197231B2 (en) 2005-07-13 2012-06-12 Purity Solutions Llc Diaphragm pump and related methods
US7950622B2 (en) * 2007-07-25 2011-05-31 Honeywell International, Inc. System, apparatus and method for controlling valves
US9610392B2 (en) 2012-06-08 2017-04-04 Fresenius Medical Care Holdings, Inc. Medical fluid cassettes and related systems and methods
DE102013003524B4 (de) * 2013-03-04 2022-07-14 Pittway Sàrl Gasregelgerät

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH413565A (de) * 1963-11-18 1966-05-15 Buehler Ag Geb Pneumatische Entstaubungsanlage
US3556464A (en) * 1969-06-09 1971-01-19 Griswold Controls Self-draining pressure actuated valve
FR2460436A1 (fr) * 1979-06-29 1981-01-23 Sueddeutsche Kuehler Behr Soupape electromagnetique a eau, a assistance hydraulique, pour le reglage du circuit d'eau, dans les installations de chauffage ou de climatisation pour vehicules automobiles
US6105607A (en) * 1998-06-15 2000-08-22 Caise; Robert F. Microprocessor controled water shut-off device

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2417994A (en) * 1942-09-14 1947-03-25 St Paul Foundry Company Valve
US3537475A (en) * 1968-10-21 1970-11-03 Gen Electric Valve assembly
US3741710A (en) * 1971-12-20 1973-06-26 L Nelson Combustion control valve means and system
US4744336A (en) * 1987-08-03 1988-05-17 Chrysler Motors Corporation Servo type cooling system valve
DE68922090T2 (de) 1989-01-26 1995-12-21 Ranco Japan Ltd Proportionales Regelventil.
US5899434A (en) * 1996-07-02 1999-05-04 Maquinas Agricolas Jasto S.A. Flow rate control valve
DE19821853C1 (de) 1998-05-15 1999-07-29 Honeywell Bv Regeleinrichtung für Gasbrenner
IT1308113B1 (it) 1999-06-02 2001-11-29 Sit La Precisa Spa Gruppo valvolare per la modulazione della pressione di erogazione diun gas.
DE10018757A1 (de) 2000-04-15 2001-10-18 Kromschroeder Ag G Gasarmatur zum Regeln des Druckes und zum Absperren eines Gasstromes
DE10026035C2 (de) * 2000-05-25 2002-06-27 Honeywell Bv Regeleinrichtung für Gasbrenner

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH413565A (de) * 1963-11-18 1966-05-15 Buehler Ag Geb Pneumatische Entstaubungsanlage
US3556464A (en) * 1969-06-09 1971-01-19 Griswold Controls Self-draining pressure actuated valve
FR2460436A1 (fr) * 1979-06-29 1981-01-23 Sueddeutsche Kuehler Behr Soupape electromagnetique a eau, a assistance hydraulique, pour le reglage du circuit d'eau, dans les installations de chauffage ou de climatisation pour vehicules automobiles
US6105607A (en) * 1998-06-15 2000-08-22 Caise; Robert F. Microprocessor controled water shut-off device

Also Published As

Publication number Publication date
DE50313122D1 (de) 2010-11-11
US6978798B2 (en) 2005-12-27
DE10232654B3 (de) 2004-03-11
EP1382908B1 (fr) 2010-09-29
ATE483140T1 (de) 2010-10-15
US20040065369A1 (en) 2004-04-08
EP1382908A3 (fr) 2005-04-13

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