EP0901830A2 - Buse haute pression à jet large - Google Patents

Buse haute pression à jet large Download PDF

Info

Publication number
EP0901830A2
EP0901830A2 EP98117042A EP98117042A EP0901830A2 EP 0901830 A2 EP0901830 A2 EP 0901830A2 EP 98117042 A EP98117042 A EP 98117042A EP 98117042 A EP98117042 A EP 98117042A EP 0901830 A2 EP0901830 A2 EP 0901830A2
Authority
EP
European Patent Office
Prior art keywords
high pressure
pressure
channel
pressure nozzle
nozzle
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.)
Withdrawn
Application number
EP98117042A
Other languages
German (de)
English (en)
Other versions
EP0901830A3 (fr
Inventor
Arthur Dipl.-Ing. Rau (Fh)
Bernd Winkler
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.)
WAP Reinigungssysteme GmbH and Co
Original Assignee
WAP Reinigungssysteme GmbH and Co
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 WAP Reinigungssysteme GmbH and Co filed Critical WAP Reinigungssysteme GmbH and Co
Publication of EP0901830A2 publication Critical patent/EP0901830A2/fr
Publication of EP0901830A3 publication Critical patent/EP0901830A3/fr
Withdrawn legal-status Critical Current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
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B05B1/16—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets
    • B05B1/1627—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets with a selecting mechanism comprising a gate valve, a sliding valve or a cock
    • 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
    • B08B3/028—Spray guns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device

Definitions

  • the invention relates to a high-pressure nozzle Broad jet according to the preamble of patent claim 1.
  • Such high pressure nozzles are used in high pressure cleaning devices used and consist essentially of a Switch-off gun with a spray tube attached to its front end which is to the front through said high pressure nozzle is completed.
  • These high pressure nozzles are adjustable trained and can a flat jet, an omnidirectional or generate other beam shapes. The change in beam shape is caused by a rotating sleeve, which in Is rotatable circumferential direction and with a corresponding Mechanics act on the nozzle cross-section of the high pressure nozzle.
  • Disadvantage of this known High pressure nozzle was that the low pressure jet was not defined around the high pressure jet, but in undefined way flat on the high pressure jet attached and extremely unevenly around the scope of the High-pressure jet was distributed, because a defined one Outflow from the low pressure channel all around the High pressure jet was not given.
  • the sealing in the low-pressure duct was done via a cone with a cutting edge of the adjustment sleeve cooperates. So it's a metallic one Seal, determined by their sealing properties Use cases is disadvantageous.
  • the invention is therefore based on the object of a better one Cleaning effect of such a high pressure nozzle ensure if in addition to the high pressure jet Low pressure jet is switched on.
  • An essential feature of the invention is that now in a defined Way a low pressure channel is opened in that in the Radial high pressure channel one or more holes available are, which in a radially branching ring channel open that the flow from the ring channel in an axially after in the front, approximately parallel to the high-pressure duct Outlet channel runs and that the seal in Low pressure duct through a sealing edge of an adjustment part takes place, which with its sealing edge on a assigned stationary O-ring seal or soft seal creates.
  • the result is Advantage that excellent regulation of the Low pressure jet is possible and that a stepless Down regulation from the high pressure jet to one Low pressure jet is given without the Radiation characteristic of the high pressure jet essentially is changed. So there is only one ray shape, namely the beam shape of the high pressure jet on the Low-pressure jet in a defined manner on its outer surface is conducted and this in the manner of a casing tube encased without essentially the To change the jet characteristics of the high pressure jet. Here it remains open whether the high pressure jet as a round jet or as Flat jet or a differently shaped jet is formed.
  • the low pressure channel with its Outflow openings approximately in the axial direction parallel to the High pressure channel runs so that at the mouth of the High pressure nozzle a series of low pressure nozzles or Low-pressure outflow openings distributed around the circumference from which the low pressure water flows out.
  • Droplet size plays an essential role.
  • E.g. are here four outlet openings (jet holes) evenly around the circumference distributed around the high pressure nozzle, where it is essential that these openings approximately in the axial direction are directed.
  • the invention is not limited to this, it could also be provided that instead of the axial direction (Parallel position) the outlet openings also a slight tapered inward direction of this Low pressure outlet holes is given.
  • this spray tube 5 is by means of an associated screw connection in the receiving thread 4 of the Nozzle housing 3 added.
  • the high pressure water is in Arrow direction 6 in the longitudinal channel 7 of the high pressure nozzle fed.
  • At least one O-ring 10 is in this case on the nozzle housing 3 arranged on which sealing and in the axial direction an adjusting part 9 is slidably arranged.
  • This Adjustment part 9 is rotatably connected to a rotating sleeve 1, which twist sleeve 1, for example, from a Plastic material, which has the appropriate Lanyard with the metal adjustment part 9 connected is.
  • connection between the adjustment part 9 and the outside of the nozzle housing 3 takes place here via an adjusting thread 8.
  • the adjusting part 9 has one at its front end Stop edge 13, which is in the position shown seals against an O-ring 12, which in one Nozzle receiving body 11 is mounted. This nozzle receiving body 11 is screwed to the nozzle housing 3 via a thread 25.
  • the front end of the high pressure nozzle is through a Nozzle protection cap 2 formed, which the high pressure nozzle 15 of covers the side, so that there is an all-round Recess 26 on the outlet side of the entire high pressure nozzle results.
  • the nozzle receiving body 11 is on its outer circumference with a O-ring 14 provided, which seals on the inner circumference of the Twist sleeve 1 creates.
  • Throttle section 29 is formed here by the inner circumference of the setting part 9 in comparison to the mouth of the respective bore 27 and through the outer circumference of the nozzle housing 3 on this route.
  • the respective longitudinal channel is 20 directed parallel to the flow direction in the longitudinal channel 7.
  • the high pressure jet (wide jet 17) in the area the recess due to its kinetic energy Generates negative pressure the low pressure jet 23 in Direction of arrow 24 is deflected radially inward and merges so gently with the high pressure jet, making larger Droplets of greater energy are created.
  • the invention is not limited to the longitudinal channels 20 with their associated outlet bores 21, 22 parallel to High pressure jet run; they can also be slightly conical be inclined inward, thereby uniting with the High pressure jet earlier, e.g. still in the field of Recess 26 takes place.
  • bypass holes it is crucial that the arrangement of the bypass holes in a coordinated diameter to the main nozzle.
  • a Another key point is that the diameter of the respective bypass bore or the number of bypass channels are matched to the respective amount of water. I.e. the Invention is not limited to just four To arrange outlet holes 21,22 distributed around the circumference, but more or fewer outlet bores can also be arranged be.
  • FIG 2 is the front view of the high pressure nozzle after the Invention shown where it can be seen that the high pressure nozzle 15 is designed as a wide jet nozzle. At this Embodiment, it is preferred if the corresponding Exit bores 21, 22 approximately parallel to the wide jet in the Area of the nozzle housing 3 are arranged.
  • the invention is not limited to this; the Exit bores 21, 22 could also be ring-shaped around the Wide jet can be arranged.
  • the outlet holes 21,22 must be in the Recess 26 relatively close to the emerging broad jet 17 be placed in such a way that it is ensured that the person in the Vacuum also developing in the vicinity of the broad jet is able, which from the outlet holes 21,22 aspirating low-pressure jets as planned and thus bring into the broad jet 17.
  • Another advantage over the prior art is that a sensitive initiation of a calibrated amount of Low pressure jet is given because the valve opening to Opening of the low pressure duct through a throttle section or takes place via a throttle section 29, so that the Low pressure jet in a defined manner in the high pressure jet can be introduced.
  • FIG. 3 Another advantage is shown in Figure 3, where it can be seen that the entire nozzle protection cap 2 can be replaced is arranged.
  • the nozzle protection cap is covered by a simple plug-in clip on the nozzle housing 3 and held interchangeably.
  • the nozzle protection cap 2 by means of a Thread is held interchangeably on the nozzle housing 3
  • the nozzle protection cap 2 by means of a snap lock is held interchangeably on the nozzle housing. To this This is because the recess 26 is quickly opened and the High pressure nozzle 15 can be replaced quickly.
  • the Adjustment characteristic of the rotating sleeve can be set, whereby a defined delivery of the low pressure jet into the Longitudinal channels 20 is guaranteed.
  • Adjustment device for the opening and Closure of the low pressure duct because of the real one Volume control for the low pressure water in the spray gun takes place itself or in a separate setting device, which, for example, in front of the spray gun in the area of Spray tube can be arranged.

Landscapes

  • Nozzles (AREA)
  • Jet Pumps And Other Pumps (AREA)
EP98117042A 1997-09-11 1998-09-09 Buse haute pression à jet large Withdrawn EP0901830A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19739933 1997-09-11
DE1997139933 DE19739933A1 (de) 1997-09-11 1997-09-11 Hochdruckdüse mit Breitstrahl

Publications (2)

Publication Number Publication Date
EP0901830A2 true EP0901830A2 (fr) 1999-03-17
EP0901830A3 EP0901830A3 (fr) 2000-12-20

Family

ID=7842008

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98117042A Withdrawn EP0901830A3 (fr) 1997-09-11 1998-09-09 Buse haute pression à jet large

Country Status (2)

Country Link
EP (1) EP0901830A3 (fr)
DE (1) DE19739933A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006029680A1 (fr) * 2004-09-13 2006-03-23 Washtec Holding Gmbh Lance de nettoyage
CN117446200A (zh) * 2023-12-25 2024-01-26 四川航空股份有限公司 一种飞机维修用雾化喷淋除污装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1864293U (de) * 1961-02-02 1962-12-20 Apa Kg Bauder Otto Schlauchmundstueck.
GB8726688D0 (en) * 1987-11-13 1987-12-16 Wakefield A W Jetting nozzle
DE8910907U1 (de) * 1989-09-13 1990-08-23 WAP Reinigungssysteme GmbH & Co, 7919 Bellenberg Düsenkopf für ein Hochdruckreinigungsgerät
DE9005274U1 (de) * 1990-05-09 1990-07-12 Alfred Kärcher GmbH & Co, 7057 Winnenden Strahlrohr für Hochdruckreinigungsgeräte
IT1245146B (it) * 1991-02-11 1994-09-13 Faip Off Mecc Ugello perfezionato per macchine idropulitrici ad alta pressione e simili con bocche di erogazione allineate
DK172650B1 (da) * 1995-04-21 1999-04-06 Kew Ind As Sprøjtedyse til højtryksrensere

Non-Patent Citations (1)

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

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006029680A1 (fr) * 2004-09-13 2006-03-23 Washtec Holding Gmbh Lance de nettoyage
AU2005256108B2 (en) * 2004-09-13 2008-08-14 Washtec Holding Gmbh Cleaning lance
US7641133B2 (en) 2004-09-13 2010-01-05 Washtec Holding Gmbh Cleaning lance
CN117446200A (zh) * 2023-12-25 2024-01-26 四川航空股份有限公司 一种飞机维修用雾化喷淋除污装置
CN117446200B (zh) * 2023-12-25 2024-02-23 四川航空股份有限公司 一种飞机维修用雾化喷淋除污装置

Also Published As

Publication number Publication date
EP0901830A3 (fr) 2000-12-20
DE19739933A1 (de) 1999-04-01

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