EP2039417A1 - Dispositif de mélange doté de valves à disques. - Google Patents

Dispositif de mélange doté de valves à disques. Download PDF

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Publication number
EP2039417A1
EP2039417A1 EP20070018752 EP07018752A EP2039417A1 EP 2039417 A1 EP2039417 A1 EP 2039417A1 EP 20070018752 EP20070018752 EP 20070018752 EP 07018752 A EP07018752 A EP 07018752A EP 2039417 A1 EP2039417 A1 EP 2039417A1
Authority
EP
European Patent Office
Prior art keywords
opening
mixing
valve seat
mixing device
openings
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
EP20070018752
Other languages
German (de)
English (en)
Other versions
EP2039417B1 (fr
Inventor
Stefan Klehr
Robert Sendner
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Priority to EP20070018752 priority Critical patent/EP2039417B1/fr
Priority to DE200750005152 priority patent/DE502007005152D1/de
Priority to AT07018752T priority patent/ATE482018T1/de
Priority to US12/284,691 priority patent/US8118056B2/en
Publication of EP2039417A1 publication Critical patent/EP2039417A1/fr
Application granted granted Critical
Publication of EP2039417B1 publication Critical patent/EP2039417B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/105—Mixing heads, i.e. compact mixing units or modules, using mixing valves for feeding and mixing at least two components
    • 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
    • Y10T137/0318—Processes
    • 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
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86558—Plural noncommunicating flow paths
    • 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
    • Y10T137/87249—Multiple inlet with multiple outlet
    • 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
    • Y10T137/87571—Multiple inlet with single outlet
    • Y10T137/87676—With flow control

Definitions

  • the invention relates to a mixing device for mixing substances, in particular liquids or gases with different temperatures, with a movable, adjustable valve control disk and at least one fixed valve seat disk.
  • a mixing module is supplied by two separate circuits each for a substance to be mixed.
  • the mixing module thereby extracts for itself its share of the various substances to be mixed in order to allow a mixed substance with a desired character.
  • Several valves are needed for distribution and for the conduction or mixing of the various substances. This makes the mixing system or the mixing module complicated and costly.
  • the mixing system is not practical to control due to the use of a large amount of valves.
  • a mixing path in the mixing system is often bridged by one or more bypasses, on each of which a substance to be mixed is passed, to protect the mixing module or to compensate for the cycles.
  • the bypass is controlled by an extra manual rotary valve and is therefore not variable.
  • a multi-valve with two valves are assembled into a valve.
  • the Mutiventil is provided with two fixed holes each for a bypass.
  • a bypass formed in this way is also invariable.
  • a mixing system should have a variable bypass, whereby the bypass is automatically adjustable depending on mixture settings. The more of a substance flows to the mixture in a mixing path of the mixing system, the less of the substance flows in a bypass, vice versa. Furthermore, more of a substance automatically flows into the mixing path to the mixture when less of the other substance or substances flow or flow into this mixture path.
  • the invention is based on the object to realize a mixing device with bypass adaptation for mixing substances, in particular liquids or gases with different temperatures.
  • the invention is based on the knowledge to be able to change the flow of a substance through an opening depending on the cross-sectional size of the opening. Therefore, a mixing device for mixing substances, in particular liquids or gases with different temperatures, with a movable, adjustable valve control disc and at least one fixed valve seat disc is specified, wherein the valve seat disc at least two opening groups, each consisting of at least three through openings comprises.
  • a first opening is provided as an inlet opening or as a discharge opening for a substance, a second opening for connection to a mixing path for the substances and a third opening for bridging the mixing path.
  • the valve control disk is provided at least on one side with a first recess and a second recess.
  • a passage for substances between the openings - the first, the second and the third opening - of the valve seat disc can be realized for each opening group of the valve seat disc.
  • the valve control disc is arranged parallel to the valve seat disc so that at each opening group via the first recess a flow between the first opening and the second opening and the second recess a flow between the first opening and the third opening is possible.
  • the first opening is superimposed by the first and second recesses.
  • the valve control disk is to be adjusted to the valve seat disk to control the mixture so that with each opening group the total, superimposed areas of the first opening remain constant.
  • a variable bypass may be realized in this mixing apparatus so that the passage of a substance into the bypass is changed depending on its passage into the mixing path.
  • the bypass can be adapted to the mixing path automatically depending on the settings of the valve control disc.
  • valve control disk and the valve seat disk are generally a round disk, wherein the valve control disk is rotatable relative to the valve seat disk for adjusting the mixing device. They can also be configured in another form, eg a rectangle, so that the valve control disk can be pulled and pushed in relation to the valve seat disk.
  • the mixing device consists of a valve control disk and two valve seat disks, wherein the valve control disk is arranged in parallel between the two valve seat disks.
  • the valve control disk is provided on both sides with a first recess and a second recess.
  • the first recess for forming a passage between the first opening and the second opening is provided, while the second Well is provided for forming a passage between the first opening and the third opening.
  • Each two of the second recesses, each disposed on the two sides of the valve control disc are interconnected by a passage for facilitating flow between the two valve seat discs.
  • a mixing device configured in this way can be used alone in a mixing system for creating a mixing path, instead of using two mixing devices mentioned above, each of which has only one valve seat disc.
  • the two valve seat discs are made identical, and the first depressions and the second depressions can be arranged symmetrically on the two sides of the valve control disc.
  • the mixing device can be constructed and controlled in a simple manner.
  • the mixing device has at least two shut-off positions. If the mixing device is set in one of the shut-off positions, the mixture of substances can be stopped or avoided, i. The substances no longer flow into the mixing path, but in each case flow completely into the bypasses. Since there are at least two shut-off positions in the mixing device, it is not necessary to set the mixing device to a specific state in order to separate the mixture from the substances. He can quickly or simply disconnect the mixture by setting the mixing device in a state corresponding to one of the shut-off positions of this mixing device.
  • two mixing devices each having only one valve seat disc, can be used to create a mixing path providing a first mixing device as an input (feed valve) and a second mixing device as an output (return valve), the second openings of the first mixing device each as an inlet opening and the second openings of the second mixing device are each connected as a drain opening for a substance.
  • the third openings of the first mixing device are respectively connected to the corresponding third openings of the second mixing device for bridging the mixing path.
  • the substances to be mixed are passed from the second openings of the flow valve in the mixing path and mixed with each other.
  • the mixed substances are discharged via the second openings of the valve seat disc and with the aid of the first recesses of the valve control disc through the first openings of the valve seat disc of the return valve.
  • the supplied through the first openings of the flow valve, but not passed to the mixture substances are respectively passed by means of the second wells from the third openings of the flow valve via the bypass into the third openings of the return valve and then through the second recesses of the valve control disk through the first Openings of the return valve for bridging the mixing path forwarded.
  • a mixing device having a valve control disk and two valve seat disks may be inserted into the above-mentioned mixing system for establishing a mixing path.
  • the mixing device is switched to create a mixing path so that the first valve seat disc as input (Vorlaufin) and the second valve seat disc as the output (return plate) of the mixing path are provided.
  • the first openings and the third openings of the flow disk are each connected as a feed opening for a substance.
  • the second openings of the flow disk are each provided for a substance as an inlet opening of the mixing path, while the second openings of the return plate are each provided for a mixed substance as a drain opening.
  • the first openings and the third openings of the return plate are each also used as a drain opening.
  • the mixing path is bridged by supplying the substances to be mixed in each case to the third openings of the advance disk and then through the first and / or the third openings via two second depressions, which are located opposite one another on the two sides of the valve control disk and are connected by a channel the return plate are passed.
  • FIG. 1 a microreaction system with a RE module 8 (Reaction module) is shown, wherein the RE module 8 has a reactor 7 and two separate temperature-controlled fluid circuits 21,22 is supplied.
  • a liquid flow 21 for heating and another liquid flow 22 are provided for cooling.
  • a chemical reaction takes place in the reactor 7 and is carried out at a constant temperature and usually at a high temperature.
  • warm water and cold water are mixed to provide a suitable temperature through a mixing path 13 and passed to the reactor 7 to ensure this chemical reaction.
  • the two liquid circuits 21, 22 are each fed by two cryostats 9, 10, which respectively temper a liquid circuit to a constant temperature.
  • the cryostat 9, 10 can only give off its heating or cooling power if the circuit 21, 22 can provide a sufficient flow of water.
  • the higher the flow the more powerful a cryostat.
  • the more constant a flow the more stable the temperature of a cryostat.
  • the RE module 8 At the input and output of the RE module 8, there are two actuators, each based on two valves V1 and V2 or V3 and V4. Through the valves v1 and v2, the RE module 8 takes its share of him supplied hot and cold water to achieve a desired temperature by mixing. The mixed water is passed to the temperature control of the chemical reaction via the mixing path 13 to the reactor 7 and then divided by the valves V3 and V4 and each returned to the circuits 21,22.
  • a bypass is formed consisting of a hot bypass B1 and a cold bypass B2. This ensures that the cryostats 9, 10 each experience a constant minimum flow.
  • the RE module 8 has a valve V5, V6, which is usually a manual rotary valve.
  • V5, V6 can not be controlled automatically depending on a specific proportion ratio in which the hot water and the cold water are mixed. That is, the flow of water to the bypass, for example, can only be controlled manually. That's why the bypasses are B1, B2 not variable.
  • the valves V5, V6 are each formed together with the actuators V1, V2 and V3, V4 as a multi-valve, the valves V5, V6 but so far only once realized in the form of two fixed holes. Although in this case the number of used valves can be saved, however, such a trained bypass is still invariable.
  • the RE module 8 must have six valves V1-V6. Two of these are invariable valves V5, V6, which fulfill the tasks of ensuring the minimum flow rates of the cryostats 9, 10 in advance.
  • V1-V4 By means of valves V1-V4, the supply and the return currents of the tempering water can be controlled.
  • the cryostats 9, 10 experience different flows because the total flow rates in the cryostats 9, 10 vary due to the combination of invariable bypass flows and variable tempering currents. Therefore, the cryostats 9,10 are confronted with different water flow rates of their tempering media. As a rule, however, the cryostats 9, 10 should experience as constant a flow as possible in all operating states.
  • the bypasses B1, B2 must be tracked during the temperature control so that the total flow rates in the cryostat 9,10 are constant.
  • this microreaction system also requires a large number of stepper motors. This is associated with the risk of divergence of the valve positions to each other due to step losses of the stepper motors.
  • the number of valves and stepper motors also require a lot of space and higher costs.
  • FIG. 2 shows a mixing device ( FIG. 2a ) consisting of a valve control disk 1 ( 2c ) and a valve seat disc 2 ( FIG. 2b ).
  • This mixing device can be formed with plastic or ceramic and usually by circular discs, the circular discs parallel to each other, arranged coaxially become.
  • the mixing device eg temperature control
  • the valve control disk 1 is rotated, for example by means of a mechanism relative to the valve seat disc 2.
  • Such a configured mixing device is also easy and practical to connect to a water pipe.
  • the valve seat disc 2 has two opening groups 11,12, which are each provided for control and passage of hot water and cold water.
  • each opening group comprises a first opening w1, k1, a second opening ma, mb for creating a mixing path 13 and a third opening w2, k2 for bridging the mixing path.
  • the valve control disk 1 in FIG. 2b is only provided on one side with four trough-shaped depressions.
  • a first recess wn1 is provided for forming a passage for hot water between the first opening w1 and the second opening ma of the valve seat disc 2, while a second recess wn2 for forming a passage for hot water between the first opening w1 and the third opening w2 of the valve seat disc 2 is provided.
  • a first recess kn1 for forming a passage for cold water between the first opening k1 and the second opening mb of the valve seat disc 2 is provided, while a second recess kn2 for forming a passage for cold water between the first opening k1 and the third opening k2 of the valve seat disc 2 is provided.
  • first recess wn1 and the first opening w1 are set to overlap one another, a hot water flow from the first opening w1 to the second opening ma is possible.
  • FIG. 3 Hot / cold water in percent Warm-cycle Cold cycle a) 100/0 - 100% warm water flows into the mixing path 13. - 0% warm water flows through bypass B1. 0% cold water flows into the mixing path 13. - 100% cold water flows through the bypass line B2. b) 75/25 - 75% warm water flows into the mixing path 13. - 25% warm water flows into bypass B1. - 25% cold water flows into the mixing path 13. - 75% cold water flows through the bypass line B2, c) 50/50 - 50% warm water flows into the mixing path 13. - 50% warm water flows into bypass B1.
  • the sum of the area including the entire cross section of the first recess wn1 and the first opening w1 and the entire cross section of the first recess kn1 and the first opening k1 also remains constant. Therefore can automatically and at the same time, for example, more hot water through the second opening ma to the mixture flow into the mixing path 13 when the cold water flow through the other second opening mb is set smaller. The same applies to the hot water and the cold water in the bypass sections B1 and B2.
  • FIG. 4 shows a usage example of such a mixing device in the in FIG. 1 shown microreaction system.
  • two mixing devices 4.5 instead of the six valves in the in FIG. 1 shown microreaction system used so that the first mixing device 4 are connected as a flow valve and the second mixing device 5 as a return valve to a mixing path 13.
  • the valve seat disc 2 of the flow valve 4 is in FIG. 4a shown
  • the valve seat disc 2 of the return valve 5 is in 4b shown.
  • 4c schematically shows that the mixing device in the microreaction system is connected to two water circuits 21,22.
  • the third openings vw2, vk2 of the flow valve 4 are respectively as an inlet opening of the bypass lines B1, B2 and the third opening rw2, rk2 of the return valve 5 as drain opening of the bypass lines B1, B2 connected to each other.
  • the hot water and the cold water are supplied to the first openings vw1, vw2 of the flow valve 4 and then flow respectively via the first recesses vwn1, vkn1 through the second openings vma, vmb into the mixing path 13 on the one hand or via the third openings vw2, vk2 of the flow valve 4 in the bypass line B1, B2 on the other.
  • the mixed water is discharged via the second openings rma, rmb, the first recesses rwn1, rkn1 and the third openings rw1, rk1 of the return valve 5.
  • the hot water and the cold water each flow through the bypass line B1, B2 into the third openings and then out via the second recesses rwn2, rkn2 and the first openings rw1, rk1 of the return valve 5.
  • FIG. 5a is a side view of a cross section of a valve control disk 1 is shown, said valve control disk 1 is provided on both sides with trough-shaped depressions.
  • FIG. 5b shows the front VS1 this valve control disk 1, wherein two first wells vwn1, vkn1 and two second wells vwn2, vkn2 are shown.
  • FIG. 5b shows the back RS1 of this valve control disk 1, wherein two first recesses rwn1, rkn1 and two second recesses rwn2, rkn2 are shown.
  • valve control disk 1 two of the second recesses vwn2 and rwn2 or vkn2 and rkn2, each on the front side VS1 (FIG. FIG. 5b ) and the back RS1 ( FIG. 5c ) of the valve control disk 1 are arranged, are connected by a channel 6 to water between the second wells vwn2 and rwn2 or to let pass between the second wells vkn2 and rkn2.
  • the front side VS1 of the valve control disk 1 can corresponding to the valve control disk 1 of the in FIG. 4 shown flow valve 4 are used.
  • the rear side RS1 of the valve control disk 1 can correspond to the valve control disk 1 of the in FIG. 4 shown return valve 5 can be used.
  • Such a valve control disk 1 can with two valve seat disks, which are the same as those in the FIG. 2 shown valve seat discs 2.3 are configured, constructed together as a mixing device, wherein the three valve discs are placed with a certain contact pressure parallel to each other.
  • the valve control disk 1 is arranged in parallel between the two valve seat disks 2, 3 and can be rotated relative to the outer two valve seat disks 2, 3.
  • the valve seat disks 2, 3 are held immovably. In this case, the front of the valve control disk 1 is placed parallel to the valve seat disc 2, while the back is placed parallel to the valve seat disc 3.
  • FIG. 6 shows a usage example of this mixing device in a microreaction system.
  • this mixing device can be used so that a mixing path 13 is created for the temperature control of a reactor 7 by means of the two valve seat discs 2.3, wherein in comparison with the FIG. 4 the first valve seat disk 2 and the left half of the valve control disk 1 can be used as the flow valve 4 and the second valve seat disk 3 and the right half of the valve control disk 1 as the return valve 5. That is, the mixing path 13 and the bypass path B1, B2 can be realized only by this mixing device, instead of the two mixing devices in the FIG. 4 to use.
  • the bypass line B2 is because of the side view of the mixing device in FIG. 6 Not shown. Depending on the positions of the valve control disk 1 to the two valve seat disks 2,3, the hot water and the cold water in a certain ratio in the mixing path 13 and the bypass line B1, B2 passed.
  • the hot water and the cold water are respectively supplied to the first openings vw1, vk1 and the third openings vw2, vk2 of the first valve seat disc 2.
  • the supplied hot water and the supplied cold water flow on the one hand via the first wells vwn1, vkn1 the valve control disk 1 from the second openings vma, vmb of the first valve seat disc 2 in the mixing path 13, and on the other hand via the second wells vwn2, vkn2 and the channel. 6 into the second recesses rwn2, rkn2 of the valve control disk 1 and then from the first openings rw1, rk1 and the third openings rw2, rk2 of the second valve seat disk 3 into the circuits 21, 22.
  • the hot water and the cold water are mixed on the mixing path 13 in order to temper the reactor 7.
  • the mixed water is respectively introduced through the second openings rma, rmb into the second valve seat disc 3 and discharged via the first depressions rwn1, rkn1 of the valve control disk 1 through the first openings rw1, rk1 of the second valve seat disk 3. Similar to the in FIG. 4
  • the flows from the cold water into the mixing path 13 and into the bypass section B2 are to be determined depending on the cross sections which are respectively formed by overlapping the first opening vk1 with the first recess vkn1 and the second recess vkn2.
  • shut-off positions there are also two shut-off positions for this mixing device. If the valve control disk 1 is rotated to one of the two shut-off positions, the mixture of hot water and cold water in the mixing path 13 can be separated by this mixing device. In this case, the hot water flows 100% through the bypass section B1 and flows the cold water to 100% through the bypass line B2. There two shut-off in the mixing device are present, you need to disconnect the mixture, the valve control disc 1 is not necessarily and possibly with effort still backwards to a certain shut-off position to turn.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Multiple-Way Valves (AREA)
  • Accessories For Mixers (AREA)
EP20070018752 2007-09-24 2007-09-24 Dispositif de mélange doté de valves à disques. Not-in-force EP2039417B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP20070018752 EP2039417B1 (fr) 2007-09-24 2007-09-24 Dispositif de mélange doté de valves à disques.
DE200750005152 DE502007005152D1 (de) 2007-09-24 2007-09-24 Mischvorrichtung mit Ventilscheiben
AT07018752T ATE482018T1 (de) 2007-09-24 2007-09-24 Mischvorrichtung mit ventilscheiben
US12/284,691 US8118056B2 (en) 2007-09-24 2008-09-24 Mixing device with valve disks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20070018752 EP2039417B1 (fr) 2007-09-24 2007-09-24 Dispositif de mélange doté de valves à disques.

Publications (2)

Publication Number Publication Date
EP2039417A1 true EP2039417A1 (fr) 2009-03-25
EP2039417B1 EP2039417B1 (fr) 2010-09-22

Family

ID=39052743

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20070018752 Not-in-force EP2039417B1 (fr) 2007-09-24 2007-09-24 Dispositif de mélange doté de valves à disques.

Country Status (4)

Country Link
US (1) US8118056B2 (fr)
EP (1) EP2039417B1 (fr)
AT (1) ATE482018T1 (fr)
DE (1) DE502007005152D1 (fr)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN109973685A (zh) * 2019-05-05 2019-07-05 郑州航空工业管理学院 一种家用淋浴智能控温阀

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8985473B2 (en) * 2012-01-20 2015-03-24 Teng-Lung Liu Water temperature regulating valve

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DE3507995A1 (de) * 1985-03-06 1986-09-11 GVB SANIMED Hygiene- und Medizintechnik GmbH, 3070 Nienburg Steuerventil fuer fluiddruckzylinder
EP0304537A2 (fr) * 1985-05-14 1989-03-01 Drägerwerk Aktiengesellschaft Equilibreur de pression pour l'alimentation d'un dispositif de mélange ou de dosage pour fluides
US5983918A (en) * 1998-07-01 1999-11-16 Chang; Chia-Bo Balancing valve assembly of a cold and hot water mixing valve
US6237622B1 (en) * 2000-03-07 2001-05-29 Emhart Inc. Flow diverter assembly
US20050017083A1 (en) * 2003-07-23 2005-01-27 Kuching International Ltd. Water outlet structure of ceramic control vavle for single-handled faucet
WO2005106246A1 (fr) * 2004-04-28 2005-11-10 Siemens Aktiengesellschaft Systeme de valve

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IT1307654B1 (it) * 1999-01-29 2001-11-14 Angelo Serratto Valvola servocomandata per impianti di condizionamento dell'aria noti come impianti a 4 tubi
DE10030584A1 (de) * 2000-06-21 2002-01-03 Gneuss Kunststofftechnik Gmbh Mehrweg-Drehschieber-Ventil zur Verteilung von hochmolekularen Polymer-Kunststoff-Schmelzen
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3507995A1 (de) * 1985-03-06 1986-09-11 GVB SANIMED Hygiene- und Medizintechnik GmbH, 3070 Nienburg Steuerventil fuer fluiddruckzylinder
EP0304537A2 (fr) * 1985-05-14 1989-03-01 Drägerwerk Aktiengesellschaft Equilibreur de pression pour l'alimentation d'un dispositif de mélange ou de dosage pour fluides
US5983918A (en) * 1998-07-01 1999-11-16 Chang; Chia-Bo Balancing valve assembly of a cold and hot water mixing valve
US6237622B1 (en) * 2000-03-07 2001-05-29 Emhart Inc. Flow diverter assembly
US20050017083A1 (en) * 2003-07-23 2005-01-27 Kuching International Ltd. Water outlet structure of ceramic control vavle for single-handled faucet
WO2005106246A1 (fr) * 2004-04-28 2005-11-10 Siemens Aktiengesellschaft Systeme de valve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109973685A (zh) * 2019-05-05 2019-07-05 郑州航空工业管理学院 一种家用淋浴智能控温阀
CN109973685B (zh) * 2019-05-05 2024-02-06 郑州航空工业管理学院 一种家用淋浴智能控温阀

Also Published As

Publication number Publication date
EP2039417B1 (fr) 2010-09-22
ATE482018T1 (de) 2010-10-15
DE502007005152D1 (de) 2010-11-04
US20090101211A1 (en) 2009-04-23
US8118056B2 (en) 2012-02-21

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