EP0959005A2 - Robinet de dosage - Google Patents

Robinet de dosage Download PDF

Info

Publication number
EP0959005A2
EP0959005A2 EP99109419A EP99109419A EP0959005A2 EP 0959005 A2 EP0959005 A2 EP 0959005A2 EP 99109419 A EP99109419 A EP 99109419A EP 99109419 A EP99109419 A EP 99109419A EP 0959005 A2 EP0959005 A2 EP 0959005A2
Authority
EP
European Patent Office
Prior art keywords
housing
cam
dosing
cavity
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
EP99109419A
Other languages
German (de)
English (en)
Other versions
EP0959005A3 (fr
EP0959005B1 (fr
Inventor
Gunter Kurth
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.)
Hassia Verpackungsmaschinen GmbH
Original Assignee
Hassia Verpackungsmaschinen 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 Hassia Verpackungsmaschinen GmbH filed Critical Hassia Verpackungsmaschinen GmbH
Publication of EP0959005A2 publication Critical patent/EP0959005A2/fr
Publication of EP0959005A3 publication Critical patent/EP0959005A3/fr
Application granted granted Critical
Publication of EP0959005B1 publication Critical patent/EP0959005B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B7/00—Piston machines or pumps characterised by having positively-driven valving
    • F04B7/0003—Piston machines or pumps characterised by having positively-driven valving the distribution member forming both the inlet and discharge distributor for one single pumping chamber
    • F04B7/0011—Piston machines or pumps characterised by having positively-driven valving the distribution member forming both the inlet and discharge distributor for one single pumping chamber and having an oscillating movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B13/00—Pumps specially modified to deliver fixed or variable measured quantities

Definitions

  • the invention relates to a metering valve on metering pumps according to Preamble of claim 1.
  • a metering valve of this type in particular for metering free-flowing metered solid material containing pieces, such as jam, yoghurt or the like, is known from DE-A-195 04 546 C1.
  • This known metering valve also works like a so-called rotary slide valve (see, for example, US-A-3,228,412), but in such a way that the cam, similar to a finger held in front of an opening, closes the feed opening and pivots it for the purpose of opening and thereby a relatively large part of the housing space is released, whereby, as has been shown, the metered-in filling material can flow around the cam in the open position without any risk of clogging.
  • the actual metering is carried out by correspondingly timed actuation coordination of the metering valve and a metering pump arranged above the opening of the inflow channel on the valve housing, which is not particularly shown in DE-A-195 04 546.
  • This metering valve works absolutely satisfactorily with regard to the requirement to avoid blockages in the case of difficult metered items of the above-mentioned type and to create a large flow space in the housing space when in the open position.
  • the disadvantage here is that two such metering valves, which are not exactly cheap, must be assigned to a metering pump, namely one for the suction process and one for the exhaust process.
  • the arrangement of two such metering valves for each metering pump requires space in the area above the filling station, for example a so-called FFS packaging machine, and also a corresponding double drive effort for two such metering valves.
  • the invention is accordingly and starting from the metering valve type mentioned the task, while maintaining of its benefits including easy cleaning to redesign and improve such a metering valve, that one for a dosing pump with only one dosing valve for the Suction and exhaust process comes out, and also if necessary Suction and discharge openings of the metering valve at the same time should be lockable.
  • the locking part only in permanent metering operation a very short pendulum movement between the openings of the inlet and Drain channels has to perform, the closing part due its closing surface dimension for both openings at the same time be brought into the closed position, for which the minimum dimension the closing surface is sufficient, the possible Maximum dimensioning finds its limit in that during suction and expelling the flow paths to and from the intake and Ejection opening in the housing can be flowed through as optimally as possible.
  • the two inflow and outflow channels are preferably vertical and parallel arranged side by side in the housing, if possible only slightly curved flow paths in the valve from the suction side to the Pump and reach from this to the discharge opening.
  • the metering valve according to the invention and its advantageous embodiments are subsequently based on the graphic Representation of exemplary embodiments explained in more detail.
  • the metering valve in particular intended for metering flowable, lumpy solid parts, such as jam, yogurt or the like, still consists of a housing 2 containing inflow and outflow channels 9, 10 with a housing in a with respect to the diameter D of Inflow and outflow channels 9, 10 larger diameter, cylindrical cavity 8 of the housing 2 pivotable closing part 1.
  • This closing part 1 is designed as the head of a protruding in the housing 2 sealed, with respect to the diameter D1 of the cavity 8 smaller diameter control shaft 3.
  • the actual closing surface 6 of the closing part 1 extends parallel to the cylindrical wall 7 of the cavity 8, and the closing part 1 is designed in the form of a cam 5, which is oriented to one side with respect to the pivot axis 4 of the actuating shaft 3.
  • the radius R of the closing surface 6 of the cam 5 is dimensioned somewhat smaller than the radius R 'of the cavity 8 outside the region of the cylindrical arrangement plane ZE ' of both openings 9 ' , 10 ' .
  • the two inflow and outflow channels 9, 10 are arranged in the housing 2 essentially opposite a pump suction and discharge opening 11.
  • the two mutually adjacent openings 9 ' , 10 ' of the inflow and outflow channels 9, 10 spaced apart by an intermediate web 12 are arranged in the cylindrical adjustment plane ZE of the closing surface 6 of the cam 5.
  • the closing surface 6 is dimensioned in its arc length L such that the two openings 9 ' , 10 ' are at least closed with a corresponding position of the cam 5 (total closed position according to FIG. 4).
  • the maximum possible arc length L extends from one or the other opening edge 11 'of the pump suction and discharge opening 11 to the respective inner opening edge 9''', 10 '''of one or the other opening 9', 10 '(see FIG. 5 ).
  • Drainage channels 9, 10, not as shown in FIGS. 1 to 4 mandatory vertically opposite the suction and discharge opening 11 and must be arranged parallel to each other, which is preferred is, but also, as shown in Fig.6, with appropriate Design of the bottom of the housing can be arranged can.
  • the radius R of the closing surface 6 of the cam 5 is dimensioned smaller than the radius R 'of the cavity 8 outside the area of the dosing valve according to the invention, as mentioned above cylindrical arrangement plane ZE 'of the openings 9 ' , 10 'of the two inflow and outflow channels 9, 10, but here in the area outside the arrangement plane ZE', specifically in the middle, the pump suction and discharge opening 11 is arranged.
  • both the piston K of the metering pump P and the closing part 1 of the metering valve can be flushed around freely. Due to the given total closability of the metering valve (see FIG.
  • an advantageous further development consists in providing on the housing 2 a closable cleaning agent connection 13 leading to the cavity 8. Regardless of whether the detergent is supplied to the top of the pump P through its connection 13 'or vice versa at the bottom of the detergent connection 13 of the metering valve, the pump and metering valve can be rinsed separately and / or sterilized for example when changing the product .
  • both the suction and the ejection of the contents of gusset spaces Z or "dead water gussets" advantageously result in free and largely smooth flow-through spaces or flow-through channels in the housing 2, which with regard to, for example, .
  • Coarse pieces of fruit are advantageous with regard to the risk of constipation.
  • FIG. 7 Only for the sake of completeness is a longitudinal section in FIG. 7 represented by the metering valve, which is also in the present Case consists of two parts, i.e. from the to the drive side completely open housing 2, which on this side by the attachable bearing part LT for the closing part 1 completed becomes.
  • the bearing part In the case of sterile operation, the bearing part is LT with connections and channels AK for the passage of a suitable Provide sterile.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Reciprocating Pumps (AREA)
  • Closures For Containers (AREA)
  • Rotary Pumps (AREA)
  • Devices For Dispensing Beverages (AREA)
EP99109419A 1998-05-19 1999-05-11 Robinet de dosage Expired - Lifetime EP0959005B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19822430A DE19822430C1 (de) 1998-05-19 1998-05-19 Dosierventil an Dosierpumpen
DE19822430 1998-05-19

Publications (3)

Publication Number Publication Date
EP0959005A2 true EP0959005A2 (fr) 1999-11-24
EP0959005A3 EP0959005A3 (fr) 2000-10-25
EP0959005B1 EP0959005B1 (fr) 2004-03-17

Family

ID=7868282

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99109419A Expired - Lifetime EP0959005B1 (fr) 1998-05-19 1999-05-11 Robinet de dosage

Country Status (3)

Country Link
US (1) US6179587B1 (fr)
EP (1) EP0959005B1 (fr)
DE (1) DE19822430C1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000068078A1 (fr) * 1999-05-11 2000-11-16 Peter Owen Davies Dispositif de dosage de fluides
WO2002031357A2 (fr) * 2000-10-10 2002-04-18 Beckman Coulter, Inc. Dispositif servant a deplacer un fluide equipe d'une soupape integree
WO2016059551A3 (fr) * 2014-10-13 2016-06-09 Alfa S.R.L. Pompe volumétrique et groupe de pompage pour produits fluides et procédé d'utilisation de ceux-ci

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0201103D0 (en) * 2002-01-18 2002-03-06 Mount Packaging Systems Ltd Liquid dispensing pump
WO2004087502A2 (fr) * 2003-03-27 2004-10-14 Swf Companies, Inc. Formeuse-remplisseuse-scelleuse rapide a action continue
KR100996576B1 (ko) * 2003-05-09 2010-11-24 주식회사 탑 엔지니어링 액정적하장치 및 액정적하방법
CN101144466B (zh) * 2007-11-15 2010-04-21 齐玉符 差动定量泵
KR20120082989A (ko) * 2011-01-17 2012-07-25 삼성전자주식회사 세탁기
FR3006407B1 (fr) * 2013-06-04 2015-07-17 Capsum Vanne a boisseau, dispositif de dosage d'un fluide et procede de dosage associes
CN105020130A (zh) * 2015-08-02 2015-11-04 黄锦成 计量泵的三通计量球阀

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3228412A (en) 1962-07-16 1966-01-11 Bartelt Engineering Co Inc Dispensing valve having particular cleaning means
DE19504546C1 (de) 1995-02-11 1996-08-01 Hassia Verpackung Ag Dosierventil an Dosierpumpen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2827207A (en) * 1954-05-04 1958-03-18 Robert R Sprole Fluid measuring mechanism for filling machines
US3266435A (en) * 1963-12-09 1966-08-16 Smith Eugene Pump for semi-fluid material
DE6941284U (de) * 1969-10-23 1970-02-19 Huennebeck Gmbh Pumpe zum foerdern dickfluessiger stoffe
US4457348A (en) * 1982-07-07 1984-07-03 Mueller Martin J Food product fill pump
FR2671398B1 (fr) * 1991-01-03 1995-09-08 Atelier Etudes Realisa Automat Dispositif de dosage et de distribution d'une matiere pateuse.

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3228412A (en) 1962-07-16 1966-01-11 Bartelt Engineering Co Inc Dispensing valve having particular cleaning means
DE19504546C1 (de) 1995-02-11 1996-08-01 Hassia Verpackung Ag Dosierventil an Dosierpumpen

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000068078A1 (fr) * 1999-05-11 2000-11-16 Peter Owen Davies Dispositif de dosage de fluides
WO2002031357A2 (fr) * 2000-10-10 2002-04-18 Beckman Coulter, Inc. Dispositif servant a deplacer un fluide equipe d'une soupape integree
WO2002031357A3 (fr) * 2000-10-10 2002-09-06 Beckman Coulter Inc Dispositif servant a deplacer un fluide equipe d'une soupape integree
US6520755B1 (en) 2000-10-10 2003-02-18 Beckman Coulter, Inc. Fluid-moving device with integrated valve
WO2016059551A3 (fr) * 2014-10-13 2016-06-09 Alfa S.R.L. Pompe volumétrique et groupe de pompage pour produits fluides et procédé d'utilisation de ceux-ci
AU2015332105B2 (en) * 2014-10-13 2019-06-20 Alfa S.R.L. Positive-displacement pump and pumping group for fluid products and method for the use thereof
US11053930B2 (en) 2014-10-13 2021-07-06 Alfa S. R. L. Positive-displacement pump and pumping group for fluid products and method for the use thereof

Also Published As

Publication number Publication date
EP0959005A3 (fr) 2000-10-25
US6179587B1 (en) 2001-01-30
DE19822430C1 (de) 2000-02-10
EP0959005B1 (fr) 2004-03-17

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