WO2018022812A1 - Adaptateur de filtre - Google Patents

Adaptateur de filtre Download PDF

Info

Publication number
WO2018022812A1
WO2018022812A1 PCT/US2017/044044 US2017044044W WO2018022812A1 WO 2018022812 A1 WO2018022812 A1 WO 2018022812A1 US 2017044044 W US2017044044 W US 2017044044W WO 2018022812 A1 WO2018022812 A1 WO 2018022812A1
Authority
WO
WIPO (PCT)
Prior art keywords
adapter
filter
nozzle
filter portion
nominal
Prior art date
Application number
PCT/US2017/044044
Other languages
English (en)
Inventor
Robert Kyle FULLERTON
Sean E. CUTTING
Original Assignee
Tyco Fire Products Lp
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 Tyco Fire Products Lp filed Critical Tyco Fire Products Lp
Publication of WO2018022812A1 publication Critical patent/WO2018022812A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C35/00—Permanently-installed equipment
    • A62C35/58—Pipe-line systems
    • A62C35/68—Details, e.g. of pipes or valve systems

Definitions

  • U.S. Patent No. 1,563,490 is directed to a sprinkler installation in which nozzles are connected to a fluid supply pipe.
  • U.S. Patent No. 1,563,490 recognized the problem of "scale” which forms in the pipes and can be carried by the fluid flow to the nozzles and is liable to obstruct them.
  • Pipe systems used in a brackish environment or otherwise exposed to saltwater are generally more susceptible to developing scale.
  • the U.S. Patent No. 1,563,490 discloses a strainer or filter member positioned to a supply side of the nozzle to filter out debris in the fluid feed to the sprinkler.
  • the strainer is described as being disposed within the inlet of the sprinkler head by a push-in fit and held in place by a solder. Because the strainer is sized to fit within the sprinkler head inlet, the strainer' s outer and internal dimensions are smaller than that of the sprinkler inlet.
  • PCT Patent Application Publication No. WO 2015/150836 is directed to another filter that is connected to a fluid supply pipeline for filtering out debris and positioned on the supply side of a nozzle in the pipeline of, for example, a firefighting sprinkler system.
  • the disclosed filter includes a tube with an inlet through which fluid is filtered and flows to an outlet in which a nozzle can be disposed.
  • the cross-sectional area of the inlet is less than the cross-sectional area of the outlet. According to WO 2015/150836, debris small enough to enter the inlet will tend not to block the outlet.
  • Preferred embodiments of a filter adapter are provided for coupling a fire protection device to a fluid supply line of a fire protection system.
  • the preferred adapter filters out scale and/or other debris to protect the fire protection device.
  • the preferred adapter includes a tubular body with a portion for securing the adapter to the fluid supply pipe and another portion for receiving and retaining the fire protection device.
  • the adapter includes a filter portion to be located with the fluid supply pipe to filter out pipe scale and other debris from the water delivered to the device. The delivered water flows through an internal passageway formed in the adapter and out the retention portion.
  • the structure of the adapter defines fluid discharge characteristics to deliver the fluid with a flow and a pressure sufficient for operation of the fire protection device to spray the fluid in a desired and expected manner.
  • a tubular body has a nozzle retention portion, a filter portion, with a securement portion disposed between the filter and the nozzle retention portions.
  • An internal passageway extends through the body along a longitudinal axis.
  • the internal passageway, through the nozzle retention portion includes an internal diameter of a nominal pipe size.
  • the internal passageway also includes a flow-through bore extending through each of the filter and securement portions and defines a minimum internal bore diameter through the securement portion. The minimum internal bore diameter is preferably greater than the nominal pipe size at the nozzle retention portion.
  • a tubular body in another preferred embodiment, includes a nozzle retention portion, a filter portion, with a securement portion disposed between the filter and the nozzle retention portions.
  • An internal passageway extends through the body along a longitudinal axis.
  • the internal passageway includes an internal thread through the nozzle retention portion defining an internal thread diameter of a nominal internal thread size.
  • the internal passageway includes a flow-through bore extending through each of the filter and securement portions defining a minimum internal bore diameter through the securement portion. The minimum internal bore diameter is preferably greater than the nominal internal thread size of the nozzle retention portion.
  • a tubular body has a nozzle retention portion, a filter portion, with a securement portion disposed between the filter and the nozzle retention portions.
  • An internal passageway extends through the body along a longitudinal axis to define a flow-through bore extending through each of the filter and securement portions with a minimum internal bore diameter through the securement portion.
  • the filter portion of the body preferably defines a cylindrical peripheral surface defining an outer diameter and a wall thickness with the minimum internal bore diameter such that a ratio of the outer diameter-to-wall thickness of the filter portion ranges from 12: 1- 18: 1.
  • a preferred nozzle assembly includes a preferred filter adapter disposed within a fluid supply pipe with the securement portion of the adapter secured to the pipe.
  • a nozzle having a nozzle inlet, a nozzle outlet and a nominal rated K-factor defines an expected flow of fluid in gallons per minute from the nozzle outlet divided by the square root of a pressure of flow of fluid delivered to the nozzle inlet in pounds per square inch gauge.
  • the nozzle is retained in the nozzle retention portion of the adapter. Wherein a delivery of fluid filtered by the filter portion is delivered to the assembly, the nozzle discharges a fluid flow from the outlet within at least 80% of the rated K-factor multiplied by the square root of the pressure of the delivered flow of fluid.
  • FIGS. 1 and 1A is a schematic installed exploded view of a preferred filter adapter.
  • FIG. IB is a perspective view of the filter adapter of FIGS. 1 and 1 A.
  • FIG. 1C is an end view of the filter adapter of FIGS. 1 and 1 A.
  • FIG. 2A is a cross-sectional view of the filter adapter of FIG. 1 along line IIA-IIA in FIG. 1C.
  • FIG. 2B is a side view of the filter adapter of FIG. 1.
  • FIG. 2C is a side view of another preferred embodiment of a filter adapter.
  • FIGS. 3-7 are perspective views of alternate preferred embodiments of a filter adapter.
  • FIGS. 1 and 1A Shown in FIGS. 1 and 1A are schematic exploded installed views of a preferred embodiment of a filter adapter 10 coupling a fire protection device to a supply pipe of firefighting fluid such as, for example, a fluid supply pipe of sea water.
  • the adapter 10 is secured to a pipe or pipe fitting such as, for example, a tee fitting 100 that can be located along the fluid supply pipe.
  • the adapter 10 is shown secured to a Tee-fitting, the adapter 10 can be secured to any fitting along the fluid supply pipe or at its ends.
  • the adapter can be installed in an elbow, a pipe union or in a reducer fitting.
  • the adapter 10 includes a first portion 10a disposed within the fluid flow path of the fitting 100 and an opposite second portion 10b engaged with a fire protection device 200 for distribution of the firefighting fluid.
  • the filter adapter 10 filters the fluid flowing through the fluid supply piping for delivery to the device 200 at an operational or working pressure and/or flow for the device 200 to distribute a spray of fluid to preferably wet and/or cool surfaces to minimize or prevent the absorption of heat from a fire.
  • the preferred embodiments of the adapter 10 provide a structure that effectively filters the water to protect the operational components of the device 200 from debris and elements such as, for example, pipe scale in the supply line while providing a sufficient flow and/or pressure of fluid to the fire protection device 200 for generation of an effective spray pattern.
  • the fire protection device is embodied as fire protection nozzle 200.
  • the adapter 10 is preferably generally embodied as a tubular body 12 having a nozzle retention portion 12a, a filter portion 12b, with a securement portion 12c disposed between the filter and the nozzle retention portions 12a, 12b.
  • An internal passageway 14 extends through the body 12 along a longitudinal axis A- A.
  • the internal passageway 14 provides and defines a flow-through bore 14a extending through each of the filter and securement portions 12b, 12c preferably defining a minimum internal bore diameter ID through the securement portion of the adapter 10.
  • the passageway 14 is preferably formed to provide for an internal conical inner surface centered on the longitudinal axis.
  • the external surface of the nozzle retention portion 12a includes a tool engagement surface for securing the adapter 10 about the nozzle 200.
  • the external surface includes a plurality of flats 11 forming a hexagonal surface about the longitudinal axis A-A.
  • Opposed flats define a maximum outer width WW, as seen in FIG. 1C of the nozzle retention portion 12a and the adapter 10.
  • the outer width WW preferably ranges between 1-1.75 inch.
  • Other tool engagement geometries can be provided such as, for example, octagonal.
  • the outer width of the nozzle retention portion 12a can be dimensioned to any size necessary for engaging a tool for installation.
  • the nozzle retention portion 12a preferably includes an internal thread 16 formed along the internal passageway 14 through the nozzle retention portion 12a for a preferred threaded engagement with the nozzle 200.
  • the internal thread 16 is preferably of a nominal internal thread size.
  • thread size designations include a "nominal pipe size” or a "nominal pipe diameter size” which is a standard diameter incremental value having a corresponding actual and larger outside pipe diameter value.
  • the following list are examples of common nominal pipe diameter sizes accompanied by the corresponding actual outside pipe diameter shown in parentheses: 1/8 inch (in.) (0.405 in.); 1/4 in.
  • nominal internal thread size or “nominal internal thread diameter” refers to the nominal pipe diameter size over which the internal thread is engaged; and as used herein, “nominal external thread size” or “nominal external thread diameter” refers to the nominal pipe diameter on which the external thread is to be formed.
  • the minimum internal bore diameter ID is preferably greater than the nominal internal thread size of the internal thread 16.
  • the internal thread 16 is preferably of a standard thread form, for example, American National Standard Taper Pipe Thread (NPT) (ANSI/ASME B 1.20.1-1983) or American National Standard Straight Pipe Thread (ANSI/ASME B l.20.1-1983).
  • NPT American National Standard Taper Pipe Thread
  • the nominal pipe diameter size can alternatively be designated in metric units for alternate metric standard thread forms such as, for example, British Standard Pipe Thread Tapered (BSPT) or British Standard Pipe Thread Parallel (BSPP).
  • the internal thread 16 is a nominal 1/2 inch (in.) -14 NPT thread, the minimum internal bore diameter ID is 0.625 in., and the width WW of the nozzle retention portion 12a is 1.25 in.
  • the internal thread 16 is a nominal 1 inch (in.)-11.5 NPT thread, the minimum internal bore diameter ID is 0.875 in., and the width WW of the nozzle retention portion 12a is 1.63 in.
  • a preferred nozzle 200 for use with the adapter 10 includes a nozzle frame 202 defining an nozzle inlet 202a for receipt of the firefighting fluid, preferably at an operational flow and pressure of the nozzle 200.
  • the nozzle frame 202 includes a coupling portion 204 for engaging the nozzle retention portion 12a of the nozzle such as, for example, an external thread 204 for engaging the preferred internal thread 16 of the nozzle retention portion 12a.
  • the coupling portion can be configured with any other appropriately corresponding surface and geometry for forming a fastened or mechanical connection between the nozzle 200 and the retention portion 12a of the adapter 10 including a welded connection, interference fit connection or a grooved coupling connection.
  • the nozzle frame 202 includes a nozzle outlet 202b for discharge of the fluid with desired discharge characteristics.
  • the nozzle outlet 202b alone or in combination with an internal orifice insert, disc or ring (not shown) define an internal orifice diameter and more preferably define a nominal rated K-factor of the nozzle 200, which characterizes an expected flow of fluid in gallons per minute from the outlet divided by the square root of the pressure of the flow of fluid fed into the nozzle inlet 202a in pounds per square inch gauge.
  • the internal passageway 14 of the adapter 10 and its minimum internal bore diameter ID are dimensioned such that a nozzle 200 coupled to the retention portion of the adapter 10 experiences a fluid flow through the nozzle outlet 202b within an acceptable percentage of the expected flow, i.e., the nominal rated K-factor multiplied by the square root of the operational pressure in pounds per square inch gauge of the fluid flow supplied or delivered to the assembled nozzle and adapter.
  • the nozzle 200 experiences a fluid flow through the nozzle outlet 202b within 80% of the expected flow of the nozzle.
  • the fluid flow is at least within 85%, preferably within 90%, and yet more preferably within 95% or more, such as for example, within 99% or more of the nominal rated K-factor of the nozzle 200 multiplied by the square root of the pressure in pounds per square inch gauge of the fluid flow delivered to the assembly.
  • the adapter 10 it is desirable for the adapter 10 to provide effective filtration of fluid delivered to the nozzle 200 while minimizing the effect on the flow or discharge characteristics of the nozzle 200.
  • the internal passageway 14 of the adapter 10 and the nozzle outlet 202b of the nozzle define a preferred geometrical relationship to produce the desired flow.
  • the nozzle outlet 202b of the nozzle 200 defines a first area Al through which fluid flow
  • the minimum internal diameter of the flow-through bore defines a second area A2 through which fluid flows
  • the ratio of first area- to-second area (A1:A2) is preferably at least 3:5 and is even more preferably no more than 2:3.
  • the nozzle 200 includes a deflector, dispersing member or other structure for distributing the fluid discharged from the nozzle outlet 202b in a desired spray pattern. As shown, a preferred deflecting structure 206 is spaced from the outlet. However, other deflecting structures may be located proximate or within the passageway for generating the desired spray pattern.
  • the nozzle 200 is preferably an "open" device such that any water delivered to the nozzle inlet 202a is internally unimpeded and therefore immediately discharged from the nozzle outlet 202b.
  • the nozzle 200 can include a plug such as, for example, a thermally responsive sealing assembly for an automatic controlled fluid release and actuation response to a fire.
  • FIGS. 1 and 1A show, for illustrative purposes, a representative nozzle 200 coupled to the adapter 10 without a strainer.
  • the nozzle frame 202 and deflecting structure 204 shown in FIG. 1 and 1A are those of a Type D3 Protectospray Directional Spray Nozzle from Tyco Fire Products LP shown and described in the data sheet TFP802: Type D3 PROTECTOSPRAY Directional Spray Nozzles, Open, Medium Velocity (April 2016).
  • Preferred embodiments of the filter adapter 10 are installed and used in combination with a nozzle without a strainer on the supply side of the nozzle.
  • the adapter 10 can be used with a nozzle and a strainer disposed in the nozzle frame, for example, as used in certain sized Type MV Directional Spray Nozzle from Tyco Fire Products LP shown and described in the data sheet TFP807: Type MV Directional Spray Nozzles, Open Medium Velocity (Jul. 2014).
  • Other fire protection nozzles and devices can be used with the adapter 10 for generating a desired spray pattern provided the device can be retained by the adapter 10 in a manner as described herein.
  • the adapter 10 can be used to filter fluid supplied to commercially known water mist nozzle heads for high pressure water mist systems.
  • the securement portion 12c is preferably configured for connecting and securing the body 12 to the pipe fitting 100.
  • the securement portion 12c preferably includes an external thread 18 having a nominal external thread diameter for a preferably threaded engagement with a coupling component such as, for example, a bushing 100a disposed within an outlet of the pipe fitting 100.
  • the nominal external thread diameter of the external thread 18 is preferably different and more preferably greater than the nominal internal thread diameter of nominally sized National Pipe Thread Taper (NPT) for threaded engagement with a correspondingly threaded opening in the pipe 100.
  • NPT National Pipe Thread Taper
  • the internal thread 16 is a nominal 1/2 inch (in.) -14 NPT thread and the minimum internal bore diameter ID is 0.625 in.
  • the external thread 18 is preferably a nominal 3/4 in. - 14 NPT thread.
  • the internal thread 16 is a nominal 1 inch (in.)-11.5 NPT thread and the minimum internal bore diameter ID is 0.875 in.
  • the external thread 18 is preferably a nominal 1 in. - 11.5 NPT thread.
  • FIG. 3 Shown in FIG. 3 is an alternate embodiment of the filter adaptor in which the securement portion is alternatively configured.
  • the securement portion 12c can include a surface for welding the adapter to a weldolet or other pipe fitting for forming a welded connection. Further in the alternative, the securement portion 12c can be shaped to form an interference fit with a pipe fitting to secure the adapter the fluid supply line. Again, further in the alternative, the securement portion 12c can be configured to function with other fasteners to form the preferred secure attachment to the fluid supply line.
  • the filter portion 12b preferably defines the narrowest portion of the body 12. By sizing the filter portion 12b to be more narrow than the securement portion, the filter portion 12b forms a preferred annular gap G with the internal wall of the bushing 100a which facilitates the engagement between the securement 12c and the bushing 100a.
  • the filter portion 12b of the body 12 is preferably formed cylindrically with a preferably circular cylindrical peripheral surface defining an outer diameter OD.
  • the peripheral surface of the filter portion can define alternative geometries such as, for example, a rectangular, square or hexagonal cylinder defining an outer width. Accordingly in the preferred adapter 10, the outer diameter OD is preferably less than the diameter of the securement portion 12c.
  • the differential in diameters defines a preferred ledge 13 between the filter portion 12b and the securement portion 12c having an annular thickness at least equal to the gap G.
  • the minimum internal bore diameter ID and the outer diameter OD of the filter portion 12b define a preferred wall thickness THl of the filter portion 12b.
  • the flow-through bore 14a through the filter portion 12b defines a maximum internal diameter equal to the minimum internal bore diameter ID of the flow-through bore 14a through the securement portion 12c.
  • the difference between the outer diameter OD and the internal diameter ID of the filter portion define the wall thickness THl of the filter portion 12b.
  • the wall thickness THl of the filter portion 12b is preferably configured to provide sufficient rigidity to the adapter particularly given that the filter portion is exposed to the fluid flow stream within a pipe fitting 100.
  • the wall thickness THl is at a preferred minimum wall thickness of at least 0.05 in., preferably 0.0538 in and is even more preferably 0.0625 in.
  • the adapter 10 defines a ratio of the outer diameter of the filter portion- to- wall thickness (OD:THl) of 18: 1 or less, more preferably ranging from 18: 1-12: 1 with a preferred minimum ratio of 12: 1.
  • OD:THl outer diameter of the filter portion- to- wall thickness
  • the preferred ratio outer-diameter-to-wall thickness OD:THl is preferably 12.
  • the preferred ratio outer-diameter- to-wall thickness OD:THl is preferably 16.
  • the outer and internal diameters OD, ID of the adapter 10 can define alternative or additional, preferred wall thicknesses over the axial length of the adapter 10 and/or portions thereof.
  • the body 12 can have a wall thickness TH1 along the filter portion 12b that ranges from about 0.05-0.08 inch, and preferably ranges from 0.05-0.075 and is more preferably the preferred minimum of 0.0625 inch.
  • the wall thickness of the body 12, over the securement and nozzle retention portions 12a, 12c can range from 0.0625 - 0.375 inch so long as these portions can provide internal and external features as previously discussed such as, for example, the external thread 18 over the securement portion 12c and the tool engagement flats 11 of the nozzle retention portion 12a.
  • the filter portion 12b is located within the fluid stream to deliver and filter the firefighting fluid to the nozzle 200.
  • the filter portion 12b includes a fluid inlet 22 sized and dimensioned to both deliver the fluid to the nozzle and filter out the debris, including pipe scale, from the fluid stream.
  • the filter portion 12b includes a fluid inlet 22 defined by a plurality of openings formed about the filter portion 12b and the one or more regions of the filter portion 12b described herein.
  • the one or more openings can define any geometry including symmetric openings, asymmetric openings, or closed formed openings formed with straight edges, arcuate edges or a combination thereof.
  • the openings can be elongate or alternatively, equilateral about the center of each opening.
  • the filter portion 12b can be formed with one or more openings that are substantially rectilinear or circular.
  • the inlet 22 can be configured in any manner provided the adapter provides the delivered fluid and filtered characteristics described herein.
  • the inlet 22 is preferably defined by a plurality of elongate slots 22a formed about the central longitudinal axis A-A.
  • the plurality of slots 22a are preferably equiangularly spaced about axis A— A.
  • the plurality of slots 22a define an angle spacing a of ranging from 12-16° degrees to provide a prefer number of slots totaling 20-30 slots.
  • a total of 22 slots are equiangularly formed about the central longitudinal axis A— A.
  • a total 28 slots are equiangularly formed about the central longitudinal axis A— A.
  • Each of the slots 22a are preferably rectilinear defining a preferably constant slot width SW and a preferably common effective slot length SL as preferably determined by the total span of the slot over a distance parallel to the longitudinal axis A-A. Moreover from the peripheral surface of the filter portion 12b, each of the slots extend radially inward toward the preferably planar end face 20 to define a preferably common slot depth SD. Accordingly, the planar end face 20 is preferably circular in shape.
  • each of the slot width and the effective slot length SL and any other inlet opening define an inlet opening area.
  • the opening areas define a total inlet opening area of the filter portion 12b.
  • a preferred ratio of total inlet opening area-to-flow- through bore area can be defined.
  • the preferred ratio preferably ranges from as low as 3: 1 up to a maximum of 8: 1.
  • the preferred minimum internal bore diameter of 0.875 inch defining a flow-through bore area of 0.6 square inches (sq.
  • Preferred embodiments of the filter portion 12b and the adapter 10 includes different regions formed about the preferred slots 22.
  • the preferred portion 12b includes a neck region 24 and a face region 26.
  • the preferred neck region 24 is formed between the slots 22 and the securement portion 12c.
  • the neck region 24 provides a preferably solid outer surface and is preferably of a constant length NL.
  • the face region 26 includes the terminal end of the filter portion 12b and preferably includes a radiused portion of the filter portion 12b profile. More specifically, the face region 26 includes a radiused portion defining a radius of curvature R.
  • the preferred radiused portion extends from the peripheral surface of the filter portion, parallel to the longitudinal axis A— A, and extends toward the longitudinal axis A-A.
  • the radius of curvature R can range from 0.05 inch to 0.5 inch and preferably is any one of 0.04 inch, 0.06 inch and 0.45 inch.
  • the face region 26 can present a convex surface to the fluid stream and in preferred embodiments provide a partially spherical surface.
  • the face region 26 can include a planar surface 20 that extends perpendicularly to the central longitudinal axis A— A.
  • the inlet 22 or portions thereof can be formed along the face region 26.
  • the plurality of elongate slots 22a previously described extend into the face region 26. From the peripheral surface of the filter portion 12b, each of the slots extend radially inward toward the longitudinal axis to define a preferably common slot depth SD. Accordingly, the preferably planar end face 20 is preferably circular in shape. Additionally as seen in FIGS. IB, 2A and 2B, each of the slots 22a extend axially along the peripheral surface of the filter portion at a preferably common length SL.
  • the face region 26 can additionally include multiple openings, preferably circular openings, for the influx of fluid at the terminal end of the filter portion 12b.
  • FIGS. 2C-7 Shown in FIGS. 2C-7, are alternate embodiments of the filter adapter in which features of the adapter are varied and combined.
  • FIGS. 1-lC, 2 A and 2B shown are dimensional parameters of the filter adapter which are varied and alternately combined in the embodiments 2A-7. Summarized in Table A below are the various combination of dimensional parameters in inches. As is depicted in the drawings, a differential over 0.5 inch between the length of the filter portion and the slot length results in a larger neck region.

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Nozzles (AREA)

Abstract

La présente invention concerne un adaptateur de filtre pour raccorder un dispositif de protection contre l'incendie à un tuyau de distribution de fluide de lutte contre l'incendie pour distribuer le fluide. L'adaptateur filtre le tartre et/ou d'autres débris afin de protéger le dispositif de protection contre l'incendie. L'adaptateur de filtre comprend un corps tubulaire avec une partie pour fixer l'adaptateur au tuyau de distribution de fluide et une autre partie pour recevoir et retenir le dispositif de protection contre l'incendie. L'adaptateur comprend une partie de filtre pour localisation dans le tuyau de distribution de fluide afin de filtrer les débris dans l'eau distribuée le long de l'alésage de passage interne de l'adaptateur vers le dispositif de protection contre l'incendie. La structure de l'adaptateur définit des caractéristiques d'évacuation de fluide pour distribuer le fluide avec un débit et une pression suffisants pour le fonctionnement du dispositif de protection contre l'incendie et la distribution de fluide.
PCT/US2017/044044 2016-07-27 2017-07-26 Adaptateur de filtre WO2018022812A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201662367495P 2016-07-27 2016-07-27
US62/367,495 2016-07-27

Publications (1)

Publication Number Publication Date
WO2018022812A1 true WO2018022812A1 (fr) 2018-02-01

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1563490A (en) 1924-10-03 1925-12-01 Horton Spencer Sprinkler installation
US3268176A (en) * 1964-08-07 1966-08-23 Spraying Systems Co Spray nozzle having stabilizing tube and vane unit
US20050001067A1 (en) * 2003-06-12 2005-01-06 Hong-Sun Ryou Swirl nozzle and swirl nozzle assembly having filter
WO2015150386A1 (fr) 2014-03-31 2015-10-08 Ceva Sante Animale Compositions à base de phéromones destinées à traiter les problèmes comportementaux ou médicaux liés au stress des mammifères non humains
WO2015150836A1 (fr) 2014-04-04 2015-10-08 Rigdeluge Global Limited Filtre
WO2017060724A1 (fr) * 2015-10-07 2017-04-13 Rigdeluge Global Limited Appareil de conduite comprenant un raccord de réduction

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1563490A (en) 1924-10-03 1925-12-01 Horton Spencer Sprinkler installation
US3268176A (en) * 1964-08-07 1966-08-23 Spraying Systems Co Spray nozzle having stabilizing tube and vane unit
US20050001067A1 (en) * 2003-06-12 2005-01-06 Hong-Sun Ryou Swirl nozzle and swirl nozzle assembly having filter
WO2015150386A1 (fr) 2014-03-31 2015-10-08 Ceva Sante Animale Compositions à base de phéromones destinées à traiter les problèmes comportementaux ou médicaux liés au stress des mammifères non humains
WO2015150836A1 (fr) 2014-04-04 2015-10-08 Rigdeluge Global Limited Filtre
WO2017060724A1 (fr) * 2015-10-07 2017-04-13 Rigdeluge Global Limited Appareil de conduite comprenant un raccord de réduction

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