EP0882516A1 - Distributer de fluide - Google Patents

Distributer de fluide Download PDF

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Publication number
EP0882516A1
EP0882516A1 EP98109321A EP98109321A EP0882516A1 EP 0882516 A1 EP0882516 A1 EP 0882516A1 EP 98109321 A EP98109321 A EP 98109321A EP 98109321 A EP98109321 A EP 98109321A EP 0882516 A1 EP0882516 A1 EP 0882516A1
Authority
EP
European Patent Office
Prior art keywords
movement
control
section
unit
passage cross
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
EP98109321A
Other languages
German (de)
English (en)
Other versions
EP0882516B1 (fr
Inventor
Hans Merk
Karl Heinz Fuchs
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.)
Aptar Radolfzell GmbH
Original Assignee
Erich Pfeiffer GmbH
Ing Erich Pfeiffer 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 Erich Pfeiffer GmbH, Ing Erich Pfeiffer GmbH filed Critical Erich Pfeiffer GmbH
Priority to DK98109321T priority Critical patent/DK0882516T3/da
Publication of EP0882516A1 publication Critical patent/EP0882516A1/fr
Application granted granted Critical
Publication of EP0882516B1 publication Critical patent/EP0882516B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/02—Membranes or pistons acting on the contents inside the container, e.g. follower pistons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
    • B05B15/65—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits
    • B05B15/652—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits whereby the jet can be oriented
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0037—Containers
    • B05B11/0039—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means
    • B05B11/0044—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means compensating underpressure by ingress of atmospheric air into the container, i.e. with venting means

Definitions

  • the invention relates to a dispenser or a device for media, especially flowable media or fluids, which are liquid, powder, gaseous and / or pasty or can be similar.
  • a such control means can be an inlet valve for repeated Sucking the medium from a media storage Outlet valve to release the medium from the outlet Discharge device, a vent valve for venting a media chamber, a ventilation valve for ventilation of a Media chamber or the like.
  • In the rest position of this valve can be the passage cross section compared to the most expanded state narrowed or maximally narrowed, e.g. be closed.
  • In its expanded working position the passage cross section leaves the medium in one Flow direction, which also through the Flow direction at the inlet and / or outlet of the valve o.
  • the invention has for its object to a donor create the disadvantages of known training are avoided and in particular a simple operation the control device to achieve different functional positions guaranteed, for example, to be consecutive the passage of different compressible media enable.
  • means can be provided around the control device by pressing beyond the rest position in to transfer a working position in which the passage cross section narrowed or closed compared to the rest position can be, but in particular is expanded if the rest position instead of the widest possible passage cross section defined the narrowest possible.
  • a corresponding further working position can also be operated by operating the control device set in the opposite direction be, the passage cross section then expediently larger than in the first working position.
  • the rest position is between the working positions.
  • the rest position can by mutual resilient stop of stop surfaces, in particular the control surfaces delimiting the passage cross section, be fixed.
  • the training according to the invention is particularly suitable for Vent a pressure chamber, such as a pump chamber Thrust piston pump, namely for so-called priming at the beginning the commissioning of the donor.
  • a pressure chamber such as a pump chamber Thrust piston pump
  • the then gas or air-filled pressure chamber by suction from a memory or the like with less compressible or incompressible medium filled.
  • the pressure chamber is vented in that the more compressible gas through the passage cross section of the Control device can escape.
  • the control device manually from the rest or closed position into the named open working position transferred and so the gas flow out calmly.
  • the control device closes again Immediately afterwards is the variable-volume pressure chamber expanded again with the formation of a vacuum, so that the medium is sucked into it.
  • the pressure chamber is after several, for example at most seven such strokes Medium sufficiently filled, so it is enough with the next one Hub caused media pressure to the controller as open pressure-dependent outlet valve and that Dispense medium through the media outlet.
  • Transfer of the control device or the valve into one of the working positions, especially in the ventilation position, is expediently connected to a control movement.
  • This is transverse to that movement of the two valve bodies or stop faces, the latter when opening and Carry out closing during other operation.
  • the Transverse movement can be a deformation movement, a resilient one Clamping movement, a sliding movement or the like.
  • the valve is spring loaded, especially by separate springs working against each other. So it comes back Release of external forces from any work position by itself back to the rest position.
  • both valve springs deformable sheaths made of plastic, axially aligned arranged, integrally formed with each other or different long.
  • One spring can be used as an axial spring and the others act as a radial spring.
  • the adjacent Stop or control surfaces of the valve when transferring to the vent position or the like.
  • one of the mutual Axial movement superimposed or immediately preceding perform mutual transverse or rotational movement. So it will Transition from static friction to sliding friction accelerated and relieved.
  • the axial spring be designed as a torsion spring at the same time. This receives with increasing axial tension also increasing torsional tension. The latter are on the associated valve body or on the abutting abutment or control surfaces transfer.
  • the dispenser 1 comprises a manual discharge operation 2 by their two device units 3, 4 or their base body 5, 6 are linearly and reversibly movable against each other.
  • a push piston pump 7 is actuated.
  • Their pump or Pressure chamber 8 lies completely within the base body 5 the rigidly to be attached to a storage vessel Unit 3.
  • the medium flows out of the pressure chamber 8 through a Control device or an outlet valve 10 in an outlet channel 9. This passes through the base body 6 of the unit 4 and is with this compared to the unit 3, 5 over the Pump stroke movable.
  • the arrangements mentioned are essentially in a main axis 11 of the device 1. To her lie the direction of actuation 12 of the unit 4 and the opposite flow direction 13 in the outlet channel 9 parallel.
  • the unit 4 or its base body 6 comprises a one-piece Piston unit 15 with a pump piston 15 and a sealing piston 16, which in a pump housing 17 in the directions 12, 13 are displaceable. Towards 13 connects to that Housing 17 a in its inner and outer cross sections extended housing section 18. On the inside the piston 16 is in the rest position according to FIG. 1 with a Sealing lip 12 protrudes freely. The in contrast in the direction 12 spaced sealing lip the piston 15 lies on the inner circumference of the narrower housing section 17 sealed on.
  • the one-piece base body 5 forms a fastening member 19 for attachment to the dash-dotted line in Fig. 1 Storage.
  • the front wall of the Cap 19 connects to the transition between the two housing sections 17, 18.
  • the cap jacket surrounds the housing section 17 over most of its length.
  • the two housing sections 17, 18 are in opposite Directions only over a single side of the cap end wall in front. Instead of a screw cap, you can also use a Crimean ring be provided for bracing.
  • the jacket of the nozzle 23 is from Exits 24 penetrated in the form of longitudinal slots. By it can pass the medium from the nozzle 23 into the chamber 21.
  • the medium flows in from the annular chamber 21 Direction 12 to the associated end of the housing section 17 or the unit 20. There it is opposite in the direction of 13 deflected and after a short flow path over a Inlet valve 25 transferred into chamber 8.
  • valve body 26 On the latter, the movable valve body 26 against movements in the direction 12 stop sealed against the force of a spring 27.
  • tubular spring 27 surrounds the connecting piece 23 and extends from valve body 26 only in direction 12. It is always axially biased and is supported by its from Valve body 26 distal free end on the inside of the End wall of the housing section 17 via radial ribs. In Direction 13 immediately adjoins the valve body 26 another spring 28.
  • the valve 10 has one with the unit 4, 6 and opposite this movable valve body 30. It is in the Axis 11 and between the pistons 15, 16 completely inside the unit 14 is opposite to it in the directions 12, 13 movable and in one piece with the spring 29 or unit 20 educated.
  • the valve body 30 which is H-shaped in axial section is closer to the piston 16 than the piston 15 and closes directly to the associated end of the spring 29 with a dimensionally stable sleeve section.
  • the second valve body 31 of the valve 10 is arranged in a fixed position on the unit 4, 6, formed in one piece with the unit 14 and dimensionally stable and penetrated by the associated end of the channel 9. In the rest and In the closed position, the valve bodies 30, 31 are annular Control or valve surfaces 32, 33 under tension the spring 29 close together. This is the connection closed between the chamber 8 and the channel 9.
  • the valve body 30 has an outermost jacket 34, 35. It is made in one piece by a distance between its ends transverse wall 36 adjoining its inner circumference closed.
  • the freely protruding from the wall 36 in the direction 12 like the wall 36 dimensionally stable jacket section 35 connects directly in one piece with its associated end the end of the spring 29.
  • Their wall thickness is less than that of the jacket 34, 35 or that of the wall 36.
  • the in Direction 13 from the wall 36 protruding jacket section 34 forms at its free end and at the transition between its inner circumference and its end face in cross section Control surface 32 rounded in the shape of a part or a four-part circle.
  • the wall 36 with a centering element, for example one in the axis 11 lying conical recess 37 may be provided.
  • the projections 34, 35 also form the valve body 31 a projection or ring jacket projecting freely in the direction 12 38. It is on the outer circumference or at the transition between its end surface and its outer circumference with the control surface 33 provided.
  • the oblique to the axis 11 and in the direction 12, 13 lying control surface 33 is an obtuse-angled outer cone. It forms a control edge 39 in a ring rim the control surface 32. If the control surface 32 reaches FIG. 3 in the area of this control edge 39, between the Control surfaces 32, 33 a passage 40 free. So a first one Media flow, for example air, from the chamber 8 through the Passage 40 to the inside of the jacket 34 and from there flow in direction 13 into channel 9.
  • the control surface 33 is of channel depressions 41 enforced. They are slit-shaped evenly around the Axis 11 distributes and forms the passages 40.
  • the valve body 31, 38 is in the direction 12 via an end wall 42 of the Unit 14 before.
  • the wall 42 closes within the piston 16 in one piece on the inner circumference of a jacket 44. It connects the pistons 15, 16 in one piece and surrounds the valve body 30, 31.
  • the piston 16 surrounds the piston skirt 44.
  • The has on the inner circumference, e.g. axial ribs 43, for centered guidance of the valve body 30 on the outer circumference of the Coat 34, 35 on.
  • In direction 12 at a distance from the valve body 30 closes the spring 29 to a sleeve-shaped, dimensionally stable Attachment section 45 of the unit 20. He is at Inner circumference of the jacket 44 is fixed by axial insertion.
  • a form-fitting driver 46 intended. He is free in direction 13 and can with a stop 47 only at the end of the actuation or pump stroke of the units 3, 4 in engagement with the in the closed position standing valve body 30, namely only with the end wall 36 is coming.
  • the driver 46 is slimmer, thorn-shaped Continuation of the nozzle 23 formed. It connects the exits 24 is hollow and in one piece with the associated End wall of the housing section 17 or with the base body 5 trained.
  • the outermost end face of the driver 46 forms the stop 47. This is continuous according to FIG. 1 flat or as shown in FIG. 3 with a centering in the opening 37 matching, conical projection.
  • valve body 30 Only after the unit 4 in the direction 12 over the entire Pump stroke has been moved relative to unit 3, the comes Stop 47 rigidly engages valve body 30. The chambers 8, 21 have then reached their smallest volume. Thereafter, the unit 4 is still less than a millimeter moves in the direction 12, the control surface 32 from it Closed and rest position with expansion along the control surface 33 move smoothly up to control edge 39. So will the passage 40 is open. At the end of this tax movement the valve bodies 30, 31 hit one another in a form-fitting manner or rigid, for example with ribs. Close this in one piece on the inner circumference of the jacket 34 and on the End wall 36 and run against the end face of the projection 38 on.
  • the next one builds Pump stroke in the chamber 8 such a high pressure. He lifts it Valve body 30 against the stop of the driver 46 against the Direction 13 of the venting movement in direction 12 against the Force of the spring 29 from the valve seat 33. A ring-shaped Passage becomes free, which is much larger than the passage 40 is.
  • the second media stream namely the fluid in the Chamber 8 then flows through valve 10 into channel 9.
  • the valve body 30 moves in the direction 13 below the force of the spring 29 back to its stop and closed position on the control surface 33. This travel can be larger than the travel path for transferring the valve body 30 into the Vent position.
  • the unit 4, 6, 14 has one of the channel 9 in the axis 11 centrally penetrated projection, for example a tubular Spigot 48, on. It immediately follows the Valve body 31 or the end wall 42 and is in the direction 13 free before.
  • the connector 48 is used to attach a head 50 penetrated by channel 9. This has the media outlet 51 on which the medium is discharged from the Device 1 detaches.
  • the Channel 9 approximately to the end face of the valve body 31 consistently constant cross sections. They are essential larger than the cross sections of the passage 40 the channel 9 following the end face of the valve body 31 according to Figures 2 and 3 a graded or similar Have extension.
  • the rod-shaped core body is like the nozzle core 54 and Stub 48 formed in one piece with the unit 14.
  • the head 50 is plugged in for mounting in the direction 12. that the associated end of the shell 55 the outer circumference of the Stutzens 48 tightly encircled.
  • the other end of the coat 55 forms the end wall of the head 50 which extends from the nozzle 52 is enforced.
  • the housing section 18 protrudes in any position into the head 50. To do this, this one between the ends on the jacket 55 integrally connected outer jacket 56 on. The surrounds the associated, adjoining it End of the jacket 55 at a distance. So is the housing section 18 between the two jackets 55, 56.
  • the outer jacket 56 is with plate-shaped protruding over its circumference Provide protrusions.
  • a seal 59 can be applied the end face of the storage neck.
  • a ventilation 60th provided for ventilation of the memory 61.
  • the the seal 59 penetrating ventilation opening 60 closes between the interleaved jackets 18, 44 on the boundaries of these Annulus.
  • an actuating head on the socket 48 be plugged on. It has a cross-axis 11 radial nozzle outlet, forms with its in the direction 13 outermost end face the handle 57 and is with the Snap connection 58 axially secured.
  • the head 50 according to Fig. 1 is used in particular for nasal application of the medium.
  • the dispenser either unit 14 or the unit 5 with the unit 20 by linear insertion in Pre-assembled towards 12. Thereafter, the unit 14 is through linear insertion in direction 12 connected to the unit 5.
  • the unit 50 can also be linear Attach in the direction 12 with the unit 14 firmly to be assembled. E.g. so that the entire pre-assembled Unit 14, 20, 50 until the connection 58 clicks into place Unit 3 is to be assembled.
  • the bias or rest tension of the spring 29 can be adjusted precisely. Section 45 becomes more about this or less far in the jacket 44 and then through Clamping or fixed only by friction. All in one piece parts formed with one another can instead also through separate but firmly connected parts be educated.
  • Dispenser 1 consists of plastic or injection molding, so that there are no exposed metal surfaces that come into contact with the media inside the dispenser 1 could.
EP98109321A 1997-06-03 1998-05-22 Distributer de fluide Expired - Lifetime EP0882516B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DK98109321T DK0882516T3 (da) 1997-06-03 1998-05-22 Dispenser til medier

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19723133A DE19723133A1 (de) 1997-06-03 1997-06-03 Austragvorrichtung für Medien
DE19723133 1997-06-03

Publications (2)

Publication Number Publication Date
EP0882516A1 true EP0882516A1 (fr) 1998-12-09
EP0882516B1 EP0882516B1 (fr) 2004-09-29

Family

ID=7831207

Family Applications (3)

Application Number Title Priority Date Filing Date
EP02007105A Expired - Lifetime EP1219356B1 (fr) 1997-01-09 1998-01-08 Dispositif de décharge de fluides utilisant une pompe à piston
EP98904040A Expired - Lifetime EP0951362B1 (fr) 1997-01-09 1998-01-08 Dispositif pour decharger des substances coulantes a l'aide d'une pompe a piston de poussee
EP98109321A Expired - Lifetime EP0882516B1 (fr) 1997-06-03 1998-05-22 Distributer de fluide

Family Applications Before (2)

Application Number Title Priority Date Filing Date
EP02007105A Expired - Lifetime EP1219356B1 (fr) 1997-01-09 1998-01-08 Dispositif de décharge de fluides utilisant une pompe à piston
EP98904040A Expired - Lifetime EP0951362B1 (fr) 1997-01-09 1998-01-08 Dispositif pour decharger des substances coulantes a l'aide d'une pompe a piston de poussee

Country Status (14)

Country Link
US (2) US6321942B1 (fr)
EP (3) EP1219356B1 (fr)
JP (2) JP4046769B2 (fr)
KR (2) KR100492350B1 (fr)
CN (1) CN1103642C (fr)
AT (3) ATE475487T1 (fr)
AU (2) AU734535B2 (fr)
BR (2) BR9807065A (fr)
CA (1) CA2277208C (fr)
DE (5) DE19723133A1 (fr)
DK (2) DK0951362T3 (fr)
ES (1) ES2176960T3 (fr)
PT (1) PT951362E (fr)
WO (1) WO1998030335A1 (fr)

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JPH10338298A (ja) 1998-12-22
DE59812015D1 (de) 2004-11-04
DK0951362T3 (da) 2002-07-15
US6321942B1 (en) 2001-11-27
EP0951362A1 (fr) 1999-10-27
EP1219356A3 (fr) 2002-08-28
DK0882516T3 (da) 2005-01-17
AU6207598A (en) 1998-08-03
ATE219391T1 (de) 2002-07-15
PT951362E (pt) 2002-11-29
DE19723133A1 (de) 1998-12-10
KR20000069945A (ko) 2000-11-25
ATE475487T1 (de) 2010-08-15
US6059150A (en) 2000-05-09
BR9807065A (pt) 2000-05-02
ATE277689T1 (de) 2004-10-15
DE59814459D1 (de) 2010-09-09
AU740121B2 (en) 2001-11-01
DE29824620U1 (de) 2001-11-15
CA2277208C (fr) 2007-12-11
EP0951362B1 (fr) 2002-06-19
CN1103642C (zh) 2003-03-26
EP1219356B1 (fr) 2010-07-28
AU6987498A (en) 1998-12-10
JP4046769B2 (ja) 2008-02-13
EP1219356A2 (fr) 2002-07-03
KR100559101B1 (ko) 2006-07-25
KR19990006599A (ko) 1999-01-25
BR9801755A (pt) 1999-06-01
AU734535B2 (en) 2001-06-14
CN1250398A (zh) 2000-04-12
WO1998030335A1 (fr) 1998-07-16
ES2176960T3 (es) 2002-12-01
KR100492350B1 (ko) 2005-05-31
DE59804505D1 (de) 2002-07-25
JP2001509070A (ja) 2001-07-10
EP0882516B1 (fr) 2004-09-29
CA2277208A1 (fr) 1998-07-16

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