EP1854558A2 - Ensemble de vanne - Google Patents

Ensemble de vanne Download PDF

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Publication number
EP1854558A2
EP1854558A2 EP07009006A EP07009006A EP1854558A2 EP 1854558 A2 EP1854558 A2 EP 1854558A2 EP 07009006 A EP07009006 A EP 07009006A EP 07009006 A EP07009006 A EP 07009006A EP 1854558 A2 EP1854558 A2 EP 1854558A2
Authority
EP
European Patent Office
Prior art keywords
valve
pressure
bypass
liquid
closing body
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
EP07009006A
Other languages
German (de)
English (en)
Other versions
EP1854558A3 (fr
EP1854558B1 (fr
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.)
Suttner GmbH
Original Assignee
Suttner GmbH
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 Suttner GmbH filed Critical Suttner GmbH
Publication of EP1854558A2 publication Critical patent/EP1854558A2/fr
Publication of EP1854558A3 publication Critical patent/EP1854558A3/fr
Application granted granted Critical
Publication of EP1854558B1 publication Critical patent/EP1854558B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • B08B3/026—Cleaning by making use of hand-held spray guns; Fluid preparations therefor

Definitions

  • the present invention relates to a valve assembly for a high-pressure cleaning device according to the preamble of one of the independent claims, a high-pressure cleaning device with such a valve arrangement and a use of a counter rod for closing force compensation.
  • High-pressure cleaning devices also known as high-pressure cleaners, are commonly used for cleaning purposes.
  • a liquid in particular water, is pressurized by a high-pressure pump and usually discharged via a connected valve gun and nozzle.
  • the high-pressure cleaning devices are usually provided with a valve assembly (unloader), so that when closing the valve gun or nozzle and the pump continues the liquid in the circuit is pumped, so the pump does not work against the closed valve gun or nozzle.
  • Such a valve arrangement is for example from the DE 198 38 947 C1 which forms the starting point of the present invention.
  • the valve arrangement has a supply line which can be connected on the inlet side to the pump of the high-pressure cleaning device. On the outlet side, a pressure line to a valve gun o. The like. Connected.
  • the supply line is provided with a check valve, which is opened in the conveying operation of the liquid flowing through and closes when closing the valve gun - ie collapse of the liquid flow - also.
  • the bypass line can be blocked by a bypass valve in normal prinberieb.
  • the bypass valve has a valve or closing body, act on the fluid pressure in the supply line and the force of a closing spring in the closing direction.
  • the closing body can be opened by means of an actuating device.
  • the actuating device has a switching piston, which is movable against an adjustable spring force from the outlet pressure of the valve assembly against the closing body in the opening direction.
  • the present invention has for its object to provide a valve assembly for a high-pressure cleaning device and a high-pressure cleaning device with a valve assembly and a use of a counter rod, wherein the valve assembly is universally applicable, individually configurable and / or adaptable.
  • One aspect of the present invention is to couple the bypass valve or its closing body with a working against the ambient pressure counter rod for closing force compensation.
  • the effective cross section of the counter rod and thus the pressure relief to the pressure load or the effective diameter of the closing body or an associated valve seat are adaptable to keep the closing force acting on the closing body in the closed state constant even at different diameters for different flow rates.
  • Fig. 1 shows an overview of a proposed valve assembly 1, which is assigned in particular a high-pressure cleaning device 2 in the aforementioned sense.
  • the valve assembly 1 is connected to the high-pressure cleaning device 2, particularly preferably attached to this or built into this or integrated in any other way.
  • the valve arrangement 1 is connected to a pump 3, in particular a high-pressure pump, the high-pressure cleaning device 2 for supplying or supplying a liquid 4, in particular water or another cleaning liquid.
  • a pump 3 in particular a high-pressure pump
  • the high-pressure cleaning device 2 for supplying or supplying a liquid 4, in particular water or another cleaning liquid.
  • the valve arrangement 1 can also be connected to another pump, water supply or the like, and / or also be used for other purposes.
  • the present invention particularly relates to applications in which the pressure of the liquid 4 or the pump 3 is at least 5 MPa, preferably 10 to 50 MPa, in particular about 30 to 50 MFa, or even more.
  • the liquid 4 is taken in particular from a reservoir, such as a tank 5, but the liquid 4 can also be pumped in some other way be fed, for example, directly through a water hose, a water network o, the like.
  • the valve assembly 1 has a supply line 6, on the inlet side of the preferably high-pressure liquid 4 can be fed.
  • the valve arrangement 1 or supply line 6 is connected to a connection or inlet 7 to the pump 3.
  • a pressure line 9 in particular a hose connected, the or the high-pressure liquid 4 of a valve device, in particular a valve gun 10 o.
  • a valve device in particular a valve gun 10 o.
  • valve gun 10 with the nozzle 11 can also be understood as a nozzle head. Further, the nozzle 11 may optionally directly, as shown in Fig. 1, or in the usual way via a spray lance o. The like. To the valve gun 10 or other suitable valve device, which allows in particular a selective and / or manual opening and closing of the liquid output be connected.
  • Fig. 1 shows the liquid dispensing and valve assembly 1 in the normal conveying operation.
  • the liquid 4 is discharged continuously and in particular as a jet 12 via the opened valve device or valve gun 10 and connected nozzle 11.
  • the liquid 4 is discharged at the outlet 8 at a relatively high pressure, which in particular substantially corresponds to the said pump pressure.
  • This outlet pressure is referred to in the conveying operation as working pressure.
  • valve assembly 1 can serve to set and / or limit the outlet pressure or working pressure. This will be discussed later.
  • valve assembly 1 with closed valve device or valve gun 10, the liquid 4 supplied from the pump 3 via a bypass or back, in particular in the liquid reservoir or to the inlet or inlet of the pump 3, in particular so that the liquid 4 is preferably conveyed in the circulation with preferably only a low flow resistance.
  • This operation is referred to as bypass operation in the present invention.
  • the valve assembly 1 is often referred to as BypBAventilan extracter.
  • the valve assembly 1 has in the supply line 6, in particular designed as a check valve 13 check valve, which closes or closes automatically in particular when the liquid flow through the supply line 6, in particular by closing the valve gun 10, collapses, ie in the subsequent bypass operation.
  • the check valve ensures that the working pressure or outlet pressure is maintained on the outlet side.
  • the valve arrangement 1 has, in particular, a bypass line 14 and an associated bypass valve 15.
  • the bypass line 14 branches off upstream of the check valve from the supply line 6, so that the already mentioned return of the pumped from the pump 3 4 liquid in bypass mode and in particular their promotion is made possible in the circulation.
  • the bypass line 14 is connected in the illustrated example, in particular via a return line 16 to the liquid reservoir or the input side of the high pressure pump 3.
  • the return line 14 can serve only a derivative of the funded by the pump 3 liquid 4 in the bypass mode, without the derived liquid 4 is conveyed in the bypass operation in the circulation.
  • the bypass valve 15 is controlled in particular in response to the downstream of the check valve pending outlet pressure, as indicated by the dashed line in Fig. 1 and explained in more detail later.
  • valve assembly 1 is designed such that at the transition from the delivery mode into the bypass mode - ie in particular when closing the valve gun 10 - first the liquid flow through the supply line 6 and through the check valve collapses and the check valve - in particular automatically due to corresponding spring preload o - closes.
  • a pressure pulse in the pressure line 9 so a sudden or pulse-like increase of the downstream of the check valve pending pressure or outlet pressure.
  • This pressure increase is preferably used to open the bypass valve 15, in particular at least initially, in order to switch the valve arrangement 1 into the bypass operation or to release the bypass line 14.
  • the outlet-side pressure drops significantly, possibly down to 0.
  • This pressure drop preferably leads to the bypass valve 15 - in particular automatically by spring force and / or by the liquid flow or by the fluid pressure in the supply line 6 and / or bypass line 14 - is closed again.
  • said pressure drop can also be evaluated or detected in order to turn on the high-pressure cleaning device 1 or feed pump 3 again, wherein the bypass valve 15 is then closed again in the sequence.
  • the supply line 6 is to be understood in particular as a line in the functional sense, ie as a fluidic connection, and in particular from a plurality of channels, passages, bores o. The like. Can be constructed or formed. The same also applies to the bypass line 14 and / or bypass line 18 or other fluidic connections, lines o. The like.
  • the valve assembly 1 and the high-pressure cleaning device. 2 are to be understood in particular as a line in the functional sense, ie as a fluidic connection, and in particular from a plurality of channels, passages, bores o. The like. Can be constructed or formed. The same also applies to the bypass line 14 and / or bypass line 18 or other fluidic connections, lines o. The like.
  • FIG. 2 shows the valve assembly 1 in a schematic section in the conveying operation.
  • the illustrated valve arrangement 1 has a housing 20, in which preferably all components and components of the valve arrangement 1 are received or to which they are preferably arranged.
  • the check valve is, as already mentioned, preferably designed as a check valve 13.
  • it has a valve body 21 which is biased by an associated spring 22 in the closing direction against a valve seat against the dispensing or main flow direction through the supply line 6.
  • the check valve is inserted or installed in an outlet 8 forming the bore of the housing 20.
  • the check valve or check valve 13 has no seal, but seals directly with its slope of the valve piston directly on the housing.
  • connection device such as a quick coupling, for connecting the pressure line 9, in particular a hose provided.
  • the valve assembly 1 further comprises an actuating device 23 with an actuator, in particular a switching piston 24, for actuation, in particular for opening a valve or closing body 25 of the bypass valve 15.
  • the actuator or the control piston 24 is preferably independent or separated from the closing body 25 movable, so preferably not fixedly connected to this.
  • the biasing force is adjustable, for example by means of a spindle adjustment, a preferably rotatable handle 27 o. The like. In a withdrawn from the closing body 25 rest position preferably biased by spring force.
  • the setting of the biasing force is used to set the maximum Beriebstiks the valve assembly 1.
  • the adjustment is made in particular by turning the handle 27.
  • Particularly preferred is a backup or a final set by a lock nut, clamping screw o. The like. Possible, as indicated in the drawing.
  • a shim may be provided in particular for compensating lateral forces in the pressure adjustment.
  • the switching piston 24 extends through an actuating chamber 28 and sealed in an adjacent bypass chamber 29 which is fluidly connected to the supply line 6 with open bypass valve 15 and to the preferably transverse to the supply line 6 extending bypass line 16 forms or forms.
  • the operating space 28 is connected via a control channel 30 to the supply line 6 downstream of the check valve, so that the outlet pressure act on a piston 28 formed in the actuating chamber 28 from the piston 24 piston area and thereby the switching piston 24 in the direction of the bypass valve 15 and closing body 25 against the force the main spring 26 can bias or move.
  • the bypass valve 15 has, as already mentioned, the movable closing body 25 and an associated valve seat 32 which is formed or arranged in particular at the transition from the supply line 6 to the bypass chamber 29 or at another suitable portion of the bypass line 14.
  • the bypass valve 15 is in particular inserted or installed in a bore or opening of the housing 20, which extends in particular transversely to the preferably rectilinearly extending through the housing 20 supply line 6 and / or is arranged upstream of the check valve.
  • the bypass valve 15 is designed such that the pressure prevailing in the supply line 6 upstream of the check valve fluid pressure the bypass valve 15 and whose closing body 25 presses or biases in its closed position or position against the valve seat 32.
  • the bypass valve 15 preferably has a closure member 25 associated with the closing spring 33, which biases the closing body 25 in the closed position against the associated valve seat 32.
  • the bypass valve 15 or closing body 25 is preferably a guiding or adjusting means, particularly preferably a counter rod 34, associated with or which is preferably fixedly connected to the closing body 25.
  • the closing spring 33 surrounds the counter rod 34 peripherally and is, for example, resisted to a housing part 35, which is preferably releasably attached to the housing 20.
  • the guide means such as the counter rod 34, preferably extends from the pressurized bypass valve 15 or the pressurized supply line 6 into the outside region under ambient pressure, preferably sealed by the housing 20 or its housing part 35 o ,
  • the counter rod 34 thus operates preferably against the ambient pressure, so that, depending on their diameter (through the housing 20 or housing part 35 in the outer space), a partial compensation of the force acting on the Seh knowenia 25 by the fluid pressure force or a corresponding reduction of the resulting , For the closing force relevant surface (area of the effective sealing seat of the bypass valve 15 minus the cross section of the counter rod 34) takes place.
  • the counter rod 34 is preferably exclusively the closing force compensation.
  • Fig. 2 shows the valve assembly 1 in the conveying operation.
  • the liquid 4 flows through the supply line 6 and is discharged at the working pressure (for example 30 to 50 MPa) at the outlet 8 to the pressure line 9 and via the valve gun 10 and nozzle 11 as a beam 12 output.
  • the check valve is opened by the liquid flow against the force of the spring 22.
  • the working pressure exerts in the operating chamber 28 a force on the piston portion 31, so that the force of the main spring 26 overcome and the actuator 23 and the switching piston 24 is advanced in the opening direction against the closing body 25 and is.
  • the bypass valve 15 (normally) remains closed in the conveying mode, the closing body 25 is not (yet) lifted off its valve seat 32.
  • the liquid pressure acting on the closing body 25 in the supply line 6 and the closing spring 33 which act in the closing direction, ensure that the bypass valve 15 (normally) remains closed in the conveying mode.
  • the actuator 23 applies a correspondingly higher force to the closing body 25, in particular with its switching piston 24, so that the bypass valve 15 is opened and the bypass valve 15 in this case as an overload valve or safety valve can act to limit the pressure.
  • the liquid flow breaks through the check valve so that it closes.
  • the blocking of the liquid dispensing or the closing of the valve gun 10 o.
  • the actuator 23 causes the complete opening of the bypass valve 15 in the transition to the bypass operation.
  • the valve arrangement 1 is designed in particular for very high volume flows of, for example, 30 to 60 l / min. This allows universal use for different purposes or with different pumps 3 or high-pressure cleaning devices 2.
  • the present invention now goes another way. By means of working against ambient pressure counter-rod 34 is a compensation.
  • the valve assembly 1 is particularly preferably designed for working pressures of about 35 to 70 MPa.
  • Bypfuel spre - ie with closed spray or, valve gun - there is a reduction of the pressure in the hose or in the pressure line 9 and in the gun 1 0, for example, at most 5 MPa.

Landscapes

  • Safety Valves (AREA)
  • Lift Valve (AREA)
  • Multiple-Way Valves (AREA)
EP20070009006 2006-05-08 2007-05-04 Ensemble de vanne Not-in-force EP1854558B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006021536 2006-05-08

Publications (3)

Publication Number Publication Date
EP1854558A2 true EP1854558A2 (fr) 2007-11-14
EP1854558A3 EP1854558A3 (fr) 2011-05-18
EP1854558B1 EP1854558B1 (fr) 2013-09-18

Family

ID=38229324

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20070009006 Not-in-force EP1854558B1 (fr) 2006-05-08 2007-05-04 Ensemble de vanne

Country Status (1)

Country Link
EP (1) EP1854558B1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016100770A1 (de) * 2016-01-19 2017-07-20 Gemü Gebr. Müller Apparatebau Gmbh & Co. Kommanditgesellschaft Ventilsystem
WO2021098443A1 (fr) * 2019-11-21 2021-05-27 苏州宝时得电动工具有限公司 Procédé et appareil de commande de dispositif de nettoyage, et dispositif de nettoyage
CN114963018A (zh) * 2022-06-01 2022-08-30 江苏美亚科泽过滤技术有限公司 间歇输送管路的流体添加装置及间歇输送管路系统
DE102021002454A1 (de) 2021-05-03 2022-11-03 Suttner Gmbh Ventilanordnung
EP4086491A1 (fr) 2021-05-03 2022-11-09 Suttner GmbH Agencement de soupape

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH713804A1 (de) * 2017-05-24 2018-11-30 Bang & Clean Gmbh Vorrichtung und Verfahren zum Entfernen von Ablagerungen in Innenräumen von Behältern oder Anlagen.
DE202017003786U1 (de) 2017-06-02 2018-06-06 Suttner Gmbh Ventilanordnung und Ventilbaugruppe

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5397054A (en) * 1992-08-26 1995-03-14 Dolmar Gmbh Pressure jet cleaning appliance
IT1262631B (it) * 1993-06-15 1996-07-04 Valvola automatica di by-pass
DE19838947C1 (de) * 1998-08-12 1999-11-25 Frank Arbeiter Bypassventilanordnung für ein Hochdruckreinigungsgerät sowie Hochdruckreinigungsgerät mit einer solchen Bypassventilanordnung
DE10033075A1 (de) * 2000-07-07 2002-01-17 Speck Kolbenpumpenfabrik Otto Überströmventil

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016100770A1 (de) * 2016-01-19 2017-07-20 Gemü Gebr. Müller Apparatebau Gmbh & Co. Kommanditgesellschaft Ventilsystem
WO2021098443A1 (fr) * 2019-11-21 2021-05-27 苏州宝时得电动工具有限公司 Procédé et appareil de commande de dispositif de nettoyage, et dispositif de nettoyage
DE102021002454A1 (de) 2021-05-03 2022-11-03 Suttner Gmbh Ventilanordnung
EP4086491A1 (fr) 2021-05-03 2022-11-09 Suttner GmbH Agencement de soupape
EP4242779A2 (fr) 2021-05-03 2023-09-13 Suttner GmbH Agencement de soupape
EP4357874A2 (fr) 2021-05-03 2024-04-24 Suttner GmbH Agencement de soupape
CN114963018A (zh) * 2022-06-01 2022-08-30 江苏美亚科泽过滤技术有限公司 间歇输送管路的流体添加装置及间歇输送管路系统
CN114963018B (zh) * 2022-06-01 2024-04-16 江苏美亚科泽过滤技术有限公司 间歇输送管路的流体添加装置及间歇输送管路系统

Also Published As

Publication number Publication date
EP1854558A3 (fr) 2011-05-18
EP1854558B1 (fr) 2013-09-18

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