EP2540400A1 - Pulvérisateur à cône plein - Google Patents

Pulvérisateur à cône plein Download PDF

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Publication number
EP2540400A1
EP2540400A1 EP12171951A EP12171951A EP2540400A1 EP 2540400 A1 EP2540400 A1 EP 2540400A1 EP 12171951 A EP12171951 A EP 12171951A EP 12171951 A EP12171951 A EP 12171951A EP 2540400 A1 EP2540400 A1 EP 2540400A1
Authority
EP
European Patent Office
Prior art keywords
swirl
insert
section
recess
swirl insert
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
EP12171951A
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German (de)
English (en)
Other versions
EP2540400B1 (fr
Inventor
Matthias Schneider
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.)
Lechler GmbH
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Lechler 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 Lechler GmbH filed Critical Lechler GmbH
Priority to PL12171951T priority Critical patent/PL2540400T3/pl
Publication of EP2540400A1 publication Critical patent/EP2540400A1/fr
Application granted granted Critical
Publication of EP2540400B1 publication Critical patent/EP2540400B1/fr
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Anticipated expiration legal-status Critical

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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
    • B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
    • B05B1/3405—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl
    • B05B1/341—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet
    • B05B1/3421—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber
    • B05B1/3431—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels being formed at the interface of cooperating elements, e.g. by means of grooves
    • B05B1/3447—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels being formed at the interface of cooperating elements, e.g. by means of grooves the interface being a cylinder having the same axis as the outlet

Definitions

  • the invention relates to a full cone nozzle with a nozzle housing and a swirl insert, wherein the nozzle housing has an outlet chamber with an outlet opening and wherein the outlet chamber is arranged downstream of the swirl insert.
  • an improved full cone nozzle is to be provided.
  • a full-cone nozzle with a nozzle housing and a swirl insert is provided for this purpose, the nozzle housing having an outlet chamber with an outlet opening and wherein the outlet chamber is arranged downstream of the swirl insert, wherein the swirl insert has at its outer periphery at least one swirl channel, which in a swirl section helically or is formed obliquely to a central longitudinal axis of the swirl insert and extending in an outlet portion which extends from one end of the swirl portion to the downstream end of the swirl passage, in the axial direction.
  • the flow In order to open up a conical spray, the flow must be set in rotation in front of the nozzle outlet. This takes place in that the liquid to be sprayed flows through the at least one swirl duct on the swirl insert.
  • the rotational movement of the fluid after leaving the swirl channel leads to a pressure gradient in the outlet chamber, wherein the static pressure from the wall of the outlet chamber to the center of the outlet chamber or the axis of rotation of the outlet chamber decreases. If the static pressure in the middle of the outlet chamber and thus in the region of the axis of rotation is too low, this leads to a hollow cone spray.
  • the outlet section of the at least one swirl channel extending in the axial direction, to influence the pressure gradient within the outlet chamber in such a way that a full cone spray is achieved.
  • the length of the spout section can serve as a design parameter to influence the liquid distribution within the full cone spray.
  • the outlet chamber may be formed, for example, hemispherical, blind hole-like with a flat or spherical bottom.
  • a downstream end face of the swirl insert is provided with a recess arranged substantially centrally of the swirl insert, wherein the recess intersects the swirl channel in sections.
  • a recess can significantly contribute to the stabilization of the flow conditions in the outlet chamber. Also, by such a recess, the pressure gradient can be influenced within the outlet chamber, so that a full-cone spray with uniform liquid distribution can be achieved.
  • the depth of the recess and its sectional area with the at least one swirl channel represent design parameters for the liquid distribution to influence the nozzle.
  • the recess cuts the swirl duct in the region of the outlet section.
  • the recess has a flat, rounded or conical bottom.
  • the output solid cone spray can be influenced by the design of the bottom of the recess.
  • the cut surface changes with the recess in the swirl insert, so that in this way the spray behavior of the full cone according to the invention can be influenced.
  • two or more swirl channels are provided on the outer circumference of the swirl insert.
  • the spray behavior can be influenced.
  • the cross sections of the swirl channels can be matched to the cross section of the outlet opening in order to obtain a little clogging-sensitive nozzle.
  • the recess in the Strin geometry the swirl insert cuts all swirl channels in sections.
  • the at least one swirl duct extends in an inlet section, starting from an upstream beginning of the swirl duct in the axial direction, then enters the Swirl section over and finally runs in the outlet section in the axial direction.
  • the flow resistance of the full cone nozzle according to the invention can be reduced, and in particular when the swirl section flows in the axial direction, the flow conditions upstream of the swirl section can be stabilized in this way.
  • a pitch of the swirl channel changes relative to the central longitudinal axis of the swirl insert within the swirl section.
  • a narrowest cross section of the nozzle is determined by the outlet opening.
  • the presentation of the Fig. 1 shows a full cone nozzle according to the invention 10 according to a preferred embodiment of the invention.
  • the full-cone nozzle 10 has a housing 12, which is provided with a hexagon 14 and a thread, not shown, to screw the housing onto a connecting line.
  • the housing 12 has a generally cylindrical basic shape.
  • FIG. 2 is a view of the cutting plane HH in Fig. 1 shown.
  • the housing 12 has an outlet chamber 16 and an outlet opening 18. Upstream of the outlet chamber 16 is in the housing 12 a Swirl insert 20 arranged.
  • the swirl insert 20 has a disk-shaped basic shape and is provided on its outer circumference with two swirl channels 22, 24. At its, the outlet chamber 16 facing end surface of the swirl insert is provided with a central recess 26 in the form of a blind hole with a flat bottom and circular cross-section.
  • the outlet chamber 16 is circular-cylindrical in its region adjoining the swirl insert 20. Downstream of the circular cylindrical section, the cross section of the outlet chamber 16 tapers to the outlet opening 18. In this, tapering section, the outlet chamber 16 has an approximately hemispherical shape.
  • the outlet opening 18 has a first, cylindrical section 28 with a circular cross section and, downstream of this cylindrical section 28, a conically widening section 30.
  • FIG. 3 shows the full cone nozzle 10 according to the invention in a view obliquely from the front, wherein the full cone nozzle 10 is shown partially cut.
  • a first section extends from the outer circumference of the housing 10 to a central longitudinal axis 32 of the nozzle.
  • a second cut also extends at right angles to the first cut from the outer circumference of the housing 12 to the central longitudinal axis 32.
  • Liquid to be sprayed enters the housing 12 in the direction of the arrow 34 and then flows through the two swirl channels 22, 24.
  • the central recess 26 in the swirl insert 20 intersects the swirl channels 22, 24 in the outlet section immediately upstream of the outlet chamber 16 reach the recess 26.
  • the region of the outlet chamber 16, which surrounds the central longitudinal axis 32, is thereby acted upon by liquid, so that an excessive pressure gradient between an edge region of the outlet chamber 16 and the area surrounding the central longitudinal axis 32 can be avoided.
  • downstream of the outlet opening 18, a full-cone spray with uniform liquid distribution can be formed downstream of the outlet opening 18, a full-cone spray with uniform liquid distribution can be formed.
  • a depth of the recess 26 as well as its sectional area with the swirl channels 22, 24 influences the pressure conditions in the outlet chamber 16 and thus the liquid distribution in the dispensed spray cone.
  • FIG. 4 shows a view of the partially cut Vollkegelüse 10 from Fig. 3 in a side view.
  • the recess 26 of the swirl insert 20 has a planar base.
  • the housing 12 is provided at the upstream end of the outlet chamber with a peripheral shoulder 36, on which the swirl insert 20 is seated. The swirl insert 20 is thereby secured in its position in the housing 12.
  • the presentation of the Fig. 5 shows the full cone nozzle 10 Fig. 1 in an exploded view from diagonally forward.
  • the swirl insert 20 has the shape of a circular cylindrical disk.
  • the two swirl channels 22, 24 each have an inlet section 38 in which the swirl channel runs parallel to the central longitudinal axis 32.
  • a swirl section 40 adjoins the inlet section 38, in which the swirl channels run obliquely to the central longitudinal axis 32.
  • Downstream of the swirl section 40 extends to the downstream end face of the swirl insert 20 then in each case an outlet section 42, in which the swirl channels 22, 24 again parallel to the central longitudinal axis 32.
  • the recess 26 in the swirl insert 20 intersects the swirl channels 22, 24 in the area of the respective outflow section 42.
  • the course of the swirl channel 22 is clearly visible.
  • the obliquely or helically extending swirl section 40 adjoins the inlet section 38, which runs in the axial direction, onto which in turn the axially extending outlet section 42 follows.
  • the swirl channels 22, 24 are formed with a spherical cutter, so that the transitions between the inlet section 38, the swirl section 40 and the outlet section 42 are flowing, since the transitions are rounded due to the semicircular cross-section of the swirl passage 22.
  • the outflow section extending in the axial direction causes the fluid in the swirl duct 22, which is located in the swirl section 40, to be deflected at least partially in the axial direction in the outlet section 42.
  • This causes a pressure equalization between an edge of the outlet chamber 16, see Fig. 3 , and a central region of the outlet chamber 16 about the central longitudinal axis 32. This achieves a full-cone spray.
  • the presentation of the Fig. 8 shows a swirl insert 44 for a full cone nozzle according to the invention.
  • the swirl insert 44 is opposite to the swirl insert 20 from Fig. 6 longer, with the extra length of the twist section an extended inlet section 46 and an extended outlet section 50 benefits.
  • the swirl portion 48 of the swirl insert 44 is the same length as the swirl portion 40 of the swirl insert 20 in FIG Fig. 6 ,
  • a central recess 52 in a downstream end surface 54 of the swirl insert 44 extends substantially the entire length of the spout portion 50 and intersects the two swirl channels 45, 47.
  • a pressure gradient between a wall of the outlet chamber 16 and a center of the outlet chamber 16 can be reduced, so that more liquid is dispensed in the center of the full-cone spray.
  • the recess 52 is circular and has a flat bottom.
  • FIG. 9 shows the swirl insert 44 from Fig. 8 from diagonally below.
  • the presentation of the Fig. 10 shows a side view of a swirl insert 56 for a full cone according to the invention.
  • the swirl insert 56 has two swirl channels 60, wherein the swirl channels 60 extend immediately obliquely to the central longitudinal axis 32 from the upstream face 58 of the swirl insert 56.
  • the swirl channels 60 thus do not have an inlet section extending in the axial direction but only a swirl section 62 running obliquely to the central longitudinal axis 32 and, following this, an axially extending outlet section 64.
  • the swirl channels 60 are cut by a central recess 66 in the swirl insert 56.
  • Fig. 11 shows the swirl insert 56 in a view obliquely from below.
  • a second, only partially detectable swirl duct 67 is provided, which in the area its swirl section with the same pitch as the swirl passage 60 rotates around the circumference of the swirl insert 56.
  • the presentation of the Fig. 12 shows a side view of a swirl insert 68 for a full cone according to the invention.
  • the swirl insert 68 is provided with two swirl channels 70, 71, wherein in the illustration of Fig. 12 only a swirl channel 70 can be seen.
  • the swirl duct 70 starting from an upstream end face of the swirl insert 68, extends immediately obliquely to the central longitudinal axis, so that its swirl section 72 starts from the upstream end face of the swirl insert 68.
  • This swirl section 72 is adjoined by an outlet section 74 which extends in the axial direction and which faces the outlet section 64 of the swirl insert 56 in FIG Fig. 10 is extended.
  • the extension of the axial outlet section 74 and the extension or greater immersion depth of the central recess 76 leads to a lower pressure difference between a wall of the outlet chamber 16 and a central region of the outlet chamber 16 and thus to more liquid in the inner area of the issued full cone spray.
  • the presentation of the Fig. 14 shows a side view of a swirl insert 80 for a full cone according to the invention.
  • the swirl insert 80 is provided with two swirl channels 82, 83, wherein in the illustration of Fig. 14 only a swirl channel 82 can be seen.
  • the swirl channel 82 has an inlet section 84 extending in the axial direction, a swirl section 86 extending at an angle to the central longitudinal axis, and an axially extending outlet section 88.
  • a central recess 90 is provided in the downstream end face of the swirl insert and intersects the swirl channels 82 of the swirl insert 80.
  • the pitch of the swirl channel 82 changes relative to the central longitudinal axis. In this way, a gradual transition from the inlet section 84 in the swirl section 86 and the swirl section 86 in the outlet section 88 can be achieved.
  • the presentation of the Fig. 15 shows the swirl insert 80 in a view obliquely from below.
  • the presentation of the Fig. 16 shows a swirl insert 92 for a full cone nozzle according to the invention in a view from below.
  • the swirl insert 92 has only a single swirl channel 94. In this way, the cross-section of the swirl channel 94 can be kept very large, so that a little blockage-sensitive full cone nozzle is obtained.
  • the presentation of the Fig. 17 shows the swirl insert 92 in a view obliquely from below.
  • the single swirl duct 94 has an inlet section 96 extending in the axial direction, a swirl section 98 running obliquely to the central longitudinal axis and an outlet section 100 extending axially to the central longitudinal axis.
  • a central recess in the form of a circular blind hole 104 is provided, which intersects the swirl channel 94 in the region of its outlet section 100 and also partly in the area of its swirl section 98.
  • the presentation of the Fig. 18 shows a swirl insert 106 for a full cone nozzle according to the invention.
  • the swirl insert 106 is provided with two swirl channels 108, 110 which are diametrically opposed to each other.
  • Fig. 19 shows a view of the swirl insert 106 obliquely from below.
  • FIG. 20 shows a swirl insert 112 for a full cone nozzle according to the invention from below.
  • the swirl insert 112 is provided with three swirl channels 114, 116 and 118 which are each arranged at an angle of 120 ° at the outer periphery of the swirl insert 112 are.
  • Fig. 21 shows a view of the swirl insert 112 obliquely from below.
  • FIGS. 22 to 29 show swirl inserts for full cone nozzles according to the invention, which differ only in the shape of the respective central recesses in the downstream end face of the swirl inserts.
  • Fig. 22 shows the swirl insert 20 from Fig. 6 from underneath. In addition to the two swirl channels 22, 24 and the circular cross-section recess 26 can be seen. The recess 26 intersects the swirl channels 22, 24 in a region immediately above the downstream end face of the swirl insert 20.
  • Fig. 23 shows a view on the cutting plane CC in Fig. 22
  • the central recess 26 has a flat base 120 and is made for example with a so-called 180 ° drill.
  • the depth and the shape of the base 120 of the recess 26 make it possible to see a pressure distribution within the outlet chamber 16 and thereby also a liquid distribution in the full-cone spray downstream of the outlet opening 18 Fig. 16 , influence.
  • the presentation of the Fig. 24 shows a swirl insert 122 for a full cone nozzle according to the invention.
  • the swirl insert 122 with the exception of the central recess 124, is identical to the swirl insert 20 in FIG Fig. 20 educated.
  • the recess 124 is also circular and also has a circular shape and the same diameter as the recess 26 of the swirl insert 20.
  • a base 126 of the recess 124 In contrast to the planar base 120 of the recess 26 of the swirl insert 20 is a base 126 of the recess 124 but formed conically, as in the View on the cutting plane DD in Fig. 25 can be seen.
  • the recess 124 Thus, for example, a drill with a point angle can be inserted into the swirl insert 122, in the example a drill with a point angle of 118 °.
  • the presentation of the Fig. 26 shows a swirl insert 128 for a full cone nozzle according to the invention, extending from the swirl insert 20 in Fig. 22 only differs by the shape of the central recess 130.
  • the recess 130 of the swirl insert 128 is formed by immersing a circular cylindrical disc milling cutter. The side milling cutter is thereby delivered parallel to the central longitudinal axis 32 in the direction of the swirl insert 128.
  • the central recess 130 thereby receives a base 132, which is formed by a flat, seen in the flow direction inwardly curved surface. The curvature of the surface corresponds to a curvature of the outer diameter of the disc cutter.
  • the bottom 132 of the recess 130 is curved in one direction only.
  • Such a shape of the base 132 is formed by a circular cylindrical milling cutter, whose outer circumference is thus formed flat parallel to a rotation axis.
  • a side milling cutter which also has a curvature parallel to the axis of rotation.
  • the central recess 130 intersects the swirl channels 134, 136 laterally, so that even with the swirl insert 128 liquid from the swirl channels in the recess 130 and thereby affect a pressure distribution in the outlet chamber 16 and thus a fluid distribution in the output full cone spray can.
  • the presentation of the Fig. 28 shows a swirl insert 140 for a full cone nozzle according to the invention.
  • the swirl insert 140 differs from the swirl insert 20 in FIG Fig. 22 only by the shape of its central Recess 142.
  • the recess 142 is formed by dipping and method of a circular cylindrical disc cutter in the radial direction. Due to the cylindrical shape of the disc milling cutter, the recess 142 thereby obtains, as in Fig. 29 it can be seen a level reason 144.
  • the Fig. 29 shows a view on the cutting plane FF in Fig. 28 ,
  • a depth of the central recess 142 is selected to be comparatively large in the swirl insert 140, so that the swirl channels 146, 148 are cut by the central recess 142 not only in its axially extending outlet section but already in its swirl section extending obliquely to the central longitudinal axis.
  • the depth and shape of the central recess as well as the shape of the bottom of the recess 144 influence a pressure distribution and a fluid distribution in the outlet chamber 16 and thereby a fluid distribution in the full-cone spray discharged from the nozzle.
  • FIGS. 30 and 31 serve to illustrate different forms of swirl channels and are merely schematic representations.
  • a swirl insert 150 in Fig. 30 has two diametrically opposed swirl channels 152, 154, each having a semicircular base 156, 158.
  • the swirl channels 152, 154 are formed for example by the immersion and method of a spherical milling cutter.
  • the presentation of the Fig. 31 schematically shows a swirl insert 160 having a total of three swirl channels 162, 164, 166, which are evenly distributed from each other on the circumference of the swirl insert 160.
  • the swirl channels 162, 164, 166 each have a rectangular cross-sectional shape and thereby each have a planar base 168.
  • the swirl channels 162, 164, 166 are formed, for example, by dipping and moving a 180 ° drill bit or milling cutter.
  • the presentation of the Fig. 32 shows in a perspective view a swirl insert 170 with two swirl channels 172, 174.
  • a disc cutter which has a cylindrical shape, two intersecting recesses 178, 180 introduced.
  • the recesses 178, 180 intersect on a central longitudinal axis 182 of the swirl insert 170, see also Fig. 33 .
  • the two recesses 178, 180 arise in each case by immersing the cylindrical disc milling cutter parallel to the central longitudinal axis 182 in the end face 176 of the swirl insert 170. Through the recesses 178, 180, a pressure equalization in the swirl chamber is produced.
  • liquid can flow into the center of the swirl chamber via the compensation passages formed thereby and produce the pressure compensation there.
  • a control of the liquid distribution in the dispensed spray jet of the full cone nozzle with the swirl insert 170 and the jet angle of this dispensed spray jet can be carried out over a depth of the recesses 178, 180, which in turn is determined by the immersion depth of the disc cutter in the direction of the central longitudinal axis 182.
  • the liquid distribution and the jet angle in the output spray jet can also be influenced over a width of the recesses 178, 180, that is to say the dimension in each case perpendicular to the longitudinal axis of the recesses 178, 180, corresponding to a thickness of the cylindrical disk milling cutter.
  • the presentation of the Fig. 36 shows a perspective view of a swirl insert 190 for a full cone according to the invention.
  • the swirl insert 190 differs from the swirl insert 170 of the Fig. 32 only by the formation of two intersecting recesses 192, 194 in a downstream end face 196 of the swirl insert 190.
  • the recesses 192, 194 are each formed as rectangular in cross-section channels, which are placed at right angles to each other in the downstream end face 196 of the swirl insert 190.
  • the recesses 192, 194 can be formed by lateral movement of a side milling cutter or a 180 ° cutter perpendicular to the central longitudinal axis 198 and parallel to the end face 196.
  • the recesses 192, 194 intersect, see Fig. 37 , on the central longitudinal axis 198.
  • the formation of the recesses 192, 194 is also in the sectional views of FIGS. 38 and 39 to recognize.
  • the presentation of the Fig. 40 shows a view from below of a swirl insert 200 for a full cone according to the invention. Shown is the view of a downstream end face 202 of the swirl insert 200, in the two swirl channels 204, 206 open, identical to the swirl channels 172, 174 of the swirl insert 170 of the Fig. 32 are formed.
  • a recess 208 is arranged, which has the shape of a transversely across the end face 202 running channel. However, the recess 208 does not intersect the swirl channels 204, 206 and rather is laid perpendicular to a direction through the end face 202, which by a connection of the two Swirl channels 204, 206 is defined.
  • the width of the recess 208 is now chosen so small that the recess 208 does not intersect the mouth region of the swirl channels 204, 206 in the end face 202.
  • the presentation of the Fig. 41 shows a swirl insert 210 for a full cone nozzle according to the invention in a view from below.
  • the view of Fig. 41 is thus a view of a downstream end face 212 of the swirl insert 210.
  • this downstream end face 212 open two swirl channels 214, 216 which are identical to the swirl channels 172, 174 of the swirl insert 170 of Fig. 32 are formed.
  • a recess 218 is introduced in the form of a plurality of channels that do not intersect the swirl channels 214, 216.
  • the recess 218 consists of an H-like arrangement of a total of five channels 220, 222, 224, 226 and 228.
  • the channels 220 and 222 run in a V-shape and each starting from an outer periphery of the swirl insert 210 toward each other and terminate at the intersection.
  • the swirl channels 220, 222 are arranged at an angle of about 130 ° to each other.
  • the two channels 226, 228 are formed mirror-symmetrically to the channels 220, 222 and thus also form a V-shaped arrangement, which starts from the outer periphery of the swirl insert 210 and ends at an intersection of the two channels 226, 228.
  • the intersection of the channels 220, 222 and the intersection of the channels 226, 228 is connected to the channel 224 terminating at each of these intersections. This results in the approximately H-shaped configuration of the recess 218 in the downstream end face 212 of the swirl insert 210.
  • the presentation of the Fig. 42 shows a swirl insert 230 for a full-cone nozzle according to the invention in a view from below of a downstream face 232.
  • a recess 240 is arranged, consisting of two at right angles to each other and is formed on a central longitudinal axis 236 crossing channels 238, 240.
  • the channel-shaped recess 240 connects two swirl channels 242, 244, which are identical to the swirl channels 172, 174 of the swirl insert 170 of the Fig. 32 are formed.
  • the channel-shaped recess 238 is arranged at right angles to the recess 240, but does not extend to the outer periphery of the swirl insert 230. This results in a total cross-shaped configuration of the recess 234 in the downstream end face 232 of the swirl insert 230th

Landscapes

  • Nozzles (AREA)
  • Jet Pumps And Other Pumps (AREA)
EP12171951.2A 2011-07-01 2012-06-14 Buse à cône plein Active EP2540400B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL12171951T PL2540400T3 (pl) 2011-07-01 2012-06-14 Dysza pełnostożkowa

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011078508.6A DE102011078508B4 (de) 2011-07-01 2011-07-01 Vollkegeldüse

Publications (2)

Publication Number Publication Date
EP2540400A1 true EP2540400A1 (fr) 2013-01-02
EP2540400B1 EP2540400B1 (fr) 2017-11-29

Family

ID=46354015

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12171951.2A Active EP2540400B1 (fr) 2011-07-01 2012-06-14 Buse à cône plein

Country Status (11)

Country Link
US (1) US9216426B2 (fr)
EP (1) EP2540400B1 (fr)
JP (1) JP5551737B2 (fr)
CN (1) CN102847622B (fr)
CA (1) CA2779844C (fr)
DE (1) DE102011078508B4 (fr)
DK (1) DK2540400T3 (fr)
ES (1) ES2657855T3 (fr)
PL (1) PL2540400T3 (fr)
RU (1) RU2501610C1 (fr)
UA (1) UA110780C2 (fr)

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EP3501664A1 (fr) * 2017-12-22 2019-06-26 PNR Italia S.r.l. Insert pour buses hydrauliques et buse hydraulique comprenant cet insert
EP3302815B1 (fr) * 2016-07-14 2021-10-27 SWEDEX GmbH Industrieprodukte Corps de turbulence ainsi que buse à jet conique dotée d'un tel corps de turbulence

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CN103120832A (zh) * 2013-03-12 2013-05-29 江苏津泰机电有限公司 细水雾化消防喷嘴和喷头及灭火设备
CN103405876B (zh) * 2013-08-23 2016-07-06 中国科学技术大学 一种含有组合条状喷嘴的消防水幕喷头
RU2669178C2 (ru) * 2015-05-20 2018-10-08 Олег Савельевич Кочетов Дренчерный ороситель кочетова пенного типа
CN104858077A (zh) * 2015-06-10 2015-08-26 西安煤矿机械有限公司 一种煤矿截割设备用雾化式喷嘴
JP6472139B2 (ja) * 2015-06-15 2019-02-20 富士フイルム株式会社 オリフィス、及びこれを用いた送液装置、塗布装置、並びに光学フィルムの製造方法
IT201700086572A1 (it) * 2017-07-27 2019-01-27 Ing Enea Mattei S P A Compressore a palette con un sistema di lubrificazione perfezionato
RU178768U1 (ru) * 2017-09-22 2018-04-18 Закрытое акционерное общество "Производственное объединение "Спецавтоматика" Распылитель дренчерный
US10851786B2 (en) 2017-09-27 2020-12-01 Ingersoll-Rand Industrial U.S., Inc. Rotary screw compressor with atomized oil injection
KR101951627B1 (ko) * 2018-09-20 2019-02-25 (주)삼화피앤티 스프레이 펌프
CN109092580B (zh) * 2018-10-15 2024-06-18 厦门英仕卫浴有限公司 一种高效节能的出水组件
CN110076019A (zh) * 2019-05-28 2019-08-02 宁波杰敏卫浴科技有限公司 水流调节器
EP4353362B1 (fr) * 2022-10-14 2024-08-14 ESTA Apparatebau GmbH & Co. KG Buse comprenant un premier trou et un second trou environnant et ensemble buse

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EP3501664A1 (fr) * 2017-12-22 2019-06-26 PNR Italia S.r.l. Insert pour buses hydrauliques et buse hydraulique comprenant cet insert

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PL2540400T3 (pl) 2018-05-30
DE102011078508B4 (de) 2017-11-09
ES2657855T3 (es) 2018-03-07
DE102011078508A1 (de) 2013-01-03
CN102847622A (zh) 2013-01-02
US9216426B2 (en) 2015-12-22
CA2779844C (fr) 2018-05-08
CA2779844A1 (fr) 2013-01-01
CN102847622B (zh) 2016-12-21
EP2540400B1 (fr) 2017-11-29
DK2540400T3 (en) 2018-03-05
JP2013013891A (ja) 2013-01-24
JP5551737B2 (ja) 2014-07-16
RU2501610C1 (ru) 2013-12-20
US20130001325A1 (en) 2013-01-03
UA110780C2 (uk) 2016-02-25

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