DK145655B - BLOWER NOZZLE - Google Patents
BLOWER NOZZLE Download PDFInfo
- Publication number
- DK145655B DK145655B DK266581AA DK266581A DK145655B DK 145655 B DK145655 B DK 145655B DK 266581A A DK266581A A DK 266581AA DK 266581 A DK266581 A DK 266581A DK 145655 B DK145655 B DK 145655B
- Authority
- DK
- Denmark
- Prior art keywords
- nozzle
- blowing
- openings
- fluid
- bore
- Prior art date
Links
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
-
- 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
- B05B1/005—Nozzles or other outlets specially adapted for discharging one or more gases
Abstract
Description
145855145855
Den foreliggende opfindelse angår et blæsemundstykke til et blæseværktøj, hvilket mundstykke har et antal udstrømningspassager, der hver har en første ende,-der er beregnet til at blive tilført et under tryk stående, gasformet fluid fra blæseværktø-5 jet,og en anden ende med en udblæsningsåbning, der er beregnet til at afgive det nævnte fluid til en mundstykket omgivende atmosfære, og hvor udblæsningsåbningerne er beliggende i en fortrinsvis rotationssymmetrisk kappeflade på mundstykket, hvilken kappeflade danner en spids vinkel med mundstykkets centerakse.The present invention relates to a blowing nozzle for a blowing tool, which nozzle has a number of outflow passages, each having a first end, which is intended to be supplied with a pressurized, gaseous fluid from the blowing tool, and a second end with a blow-off opening intended to deliver said fluid to an atmosphere surrounding the nozzle, and wherein the blow-out openings are located in a preferably rotationally symmetrical jacket surface on the nozzle, which jacket surface forms an acute angle with the center axis of the nozzle.
10 Sådanne mundstykker er anvendelige i forbindelse med et stort antal blæseværktøjer. Eksempler på anvendelse af sådanne blæseværktø jer er renblæsning af genstande, som f.eks. arbejdsemner med luft eller anden gas ved f.eks. drejning og fræsning. Andre eksempler er køling, opvarmning og tørring samt bevægelsespåvirk-15 ning af forskellige enkeltheder, f.eks. ved automatmaskiner.10 Such nozzles are useful in connection with a large number of blowing tools. Examples of the use of such blowing tools are blowing clean objects, such as workpieces with air or other gas by e.g. turning and milling. Other examples are cooling, heating and drying as well as the effect of movement on various details, e.g. by vending machines.
En ulempe ved sådanne forholdsvis lydsvage blæsemundstykker er, at de i tidens løb giver anledning til et forøget lydniveau.A disadvantage of such relatively quiet blowing nozzles is that over time they give rise to an increased sound level.
Det er formålet med den foreliggende opfindelse at anvise et blæsemundstykke af den indledningsvis angivne art, som selv efter lang 20 anvendelse bibeholder et lavt lydniveau, og dette formål opnås ifølge opfindelsen ved, at blæsemundstykket har den i krav l's kendetegnende del omhandlede udformning.It is the object of the present invention to provide a blowing nozzle of the type indicated initially, which even after long use maintains a low sound level, and this object is achieved according to the invention in that the blowing nozzle has the design referred to in the characterizing part of claim 1.
Opfindelsen skal herefter forklares nærmere under henvisning til tegningen, som viser en foretrukket udførelsesform for mund-25 stykket ifølge opfindelsen.The invention will now be explained in more detail with reference to the drawing, which shows a preferred embodiment of the mouthpiece according to the invention.
På tegningen viser fig. 1 et længdesnit af mundstykket, hvor et mindre parti også er vist i sidebillede, og fig. 2 et billede af mundstykket set forfra.In the drawing, fig. 1 is a longitudinal section of the nozzle, where a smaller portion is also shown in side view, and fig. 2 is a front view of the nozzle.
30 På tegningen betegner 1 generelt et mundstykke med et mund stykkelegeme 2, fortrinsvis af metal, og som er beregnet til ved hjælp af passende forbindelser at blive fastgjort på et med punkterede linier antydet blæseværktøj 3. Blæseværktøjet 3 udgør ikke nogen del af den foreliggende opfindelse, hvorfor det ikke er 35 nærmere beskrevet her.In the drawing, 1 generally denotes a nozzle with a mouthpiece body 2, preferably of metal, and which is intended to be attached by means of suitable connections to a blowing tool 3 indicated by dotted lines. The blowing tool 3 does not form any part of the present invention. , why it is not 35 further described here.
Mundstykkelegemet 2 har en bageste, fremefter konisk tilspidsende del 4, hvis udvendige, fortrinsvis rotationssymmetri-.ske kappeflade 4a danner en vinkel α med mundstykket l's midterakse 5. Den bageste del 4 overgår ved 6 i en fremad konisk til- 2 145855 spidsende mellemdel 7, hvis udvendige, fortrinsvis rotationssymmetriske kappeflade 7a danner en vinkel β med mundstykkelegemet l's eenterakse 5.The nozzle body 2 has a rear, forwardly conically tapered part 4, the outer, preferably rotationally symmetrical, capping surface 4a forms an angle α with the central axis 5 of the nozzle 1. The rear part 4 merges at 6 into a forwardly tapered intermediate part 7 , the outer, preferably rotationally symmetrical, cladding surface 7a forms an angle β with the single axis 5 of the nozzle body 1.
Vinklen α er hensigtsmæssigt mindre end 15°. Den kan \ære 0°, 5 i hvilket tilfælde kappefladen 4a således er parallel med center aksen -5.The angle α is suitably less than 15 °. It can be 0 °, 5 in which case the cutting surface 4a is thus parallel to the center axis -5.
Vinklen β er i det viste eksempel ca. 20°, men kan have andre værdier, således som det nærmere er beskrevet i det følgende.The angle β in the example shown is approx. 20 °, but may have other values, as described in more detail below.
Kappedelen 7 overgår fremadtil i en afrundet næsedel 8.The mantle part 7 merges forwards into a rounded nose part 8.
10 I legemet 2 er der udsparet en cylindrisk boring 9, som frem adtil overgår i en konisk tilspidsende udboring 10. Udboringen 10's væg er fortrinsvis parallel med kappefladen 7a. Udboringen 10 overgår fremadtil i en cylindrisk udboring 11, som afsluttes med en konisk udboring 12. Udboringerne 9 og 10 danner tilsammen 15 et kammer 13, som er beregnet til fra blæseværktøjet 3 at blive tilført et under tryk stående gasformet fluid, hvis tryk er større end 4 bar, fortrinsvis ca. 4-3 bar. Udboringerne 11 og 12 danner sæde til et ikke vist støttelegeme til en i blæseværktøjet indgående ikke vist ventil, som er beregnet til at regulere fluid-20 strømmen gennem blæseværktøjet. I de udførelsesformer for opfindelsen, hvor et sådant støttelegeme ikke forekommer, mangler udboringerne 11 og 12 dog helt. Disse udboringer ville i sidstnævnte tilfælde ellers medføre et forhøjet lydniveau.A cylindrical bore 9 is recessed in the body 2, which in front of it merges into a conically tapered bore 10. The wall of the bore 10 is preferably parallel to the jacket surface 7a. The bore 10 forwards merges into a cylindrical bore 11, which terminates with a conical bore 12. The bores 9 and 10 together form a chamber 13, which is intended to be supplied from the blowing tool 3 with a pressurized gaseous fluid, the pressure of which is greater than 4 bar, preferably approx. 4-3 bar. The bores 11 and 12 form a seat for a support body (not shown) for a valve not included in the blowing tool, which is intended to regulate the flow of fluid through the blowing tool. However, in those embodiments of the invention where such a support body does not occur, the bores 11 and 12 are completely missing. In the latter case, these boreholes would otherwise result in an elevated sound level.
Et antal fluidpassager i form af kanaler 14, som har cirkulært 25 tværsnit med diameteren D og med et tværsnitsareal, som er mindre 2 end 3 mm , forbinder kammeret 13 med den mundstykket omgivende atmosfære. Kanalerne 14 forløber i hovedsagen parallelt med mundstykkets centerakse 5.A number of fluid passages in the form of channels 14, which have a circular cross-section with a diameter D and with a cross-sectional area of less than 2 mm, connect the chamber 13 to the atmosphere surrounding the nozzle. The channels 14 run substantially parallel to the center axis 5 of the nozzle.
Kanalerne 14's indløb udgøres af indløbsåbninger 15 i udbo-30 ringen 10's væg, medens kanalerne 14’s udløb udgøres af udblæsningsåbninger 16 i mellemdelen 7's udvendige kappeflade 7a. Ved at åbningerne 15 og 16 danner vinklen β med kanalerne 14's længderetning, bliver åbningerne ellipseformede, hvor ellipsens storakse er ϋ/3ΐηβ. Derved opnår åbningerne 15 og 16 et større areal 35 end kanalernes tværsnitsareal. Ved eksperimentelle forsøg har det nu kunnet vises, at forholdet mellem i det mindste åbningerne 16's areal og kanalerne 14’s tværsnitsareal har afgørende indflydelse på mundstykkets lydniveau. En tilsvarende virkning, omendThe inlet of the ducts 14 is constituted by inlet openings 15 in the wall of the bore 10, while the outlet of the ducts 14 is constituted by exhaust openings 16 in the outer jacket surface 7a of the intermediate part 7. Because the openings 15 and 16 form the angle β with the longitudinal direction of the channels 14, the openings become elliptical, where the major axis of the ellipse is ϋ / 3ΐηβ. Thereby, the openings 15 and 16 obtain a larger area 35 than the cross-sectional area of the channels. Experimental experiments have now shown that the relationship between the area of at least the openings 16 and the cross-sectional area of the channels 14 has a decisive influence on the sound level of the mouthpiece. A similar effect, though
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7910216A SE7910216L (en) | 1979-12-12 | 1979-12-12 | BLASMUNSTYCKE |
SE7910216 | 1979-12-12 | ||
SE8000330 | 1980-12-10 | ||
PCT/SE1980/000330 WO1981001669A1 (en) | 1979-12-12 | 1980-12-10 | Blowing nozzle |
Publications (3)
Publication Number | Publication Date |
---|---|
DK266581A DK266581A (en) | 1981-06-25 |
DK145655B true DK145655B (en) | 1983-01-17 |
DK145655C DK145655C (en) | 1983-07-18 |
Family
ID=20339532
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK266581A DK145655C (en) | 1979-12-12 | 1981-06-17 | BLOWER NOZZLE |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP0030927B1 (en) |
JP (1) | JPH0130540B2 (en) |
AT (1) | ATE6406T1 (en) |
AU (2) | AU538248B2 (en) |
DE (1) | DE3066775D1 (en) |
DK (1) | DK145655C (en) |
FI (1) | FI68769C (en) |
NO (1) | NO812724L (en) |
SE (1) | SE7910216L (en) |
WO (1) | WO1981001669A1 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE448828B (en) * | 1985-06-07 | 1987-03-23 | Ingemanssons Ingenjorsbyra Ab | NOZZLE |
SE451362B (en) * | 1985-08-09 | 1987-10-05 | Hans Bengt Folke Moss | BLASMUNSTYCKE |
AU1091188A (en) * | 1987-05-21 | 1988-11-24 | W.L. Gore & Associates, Inc. | Nozzle for gas flow-heated sealing machine |
DE4403327A1 (en) * | 1994-02-03 | 1995-08-10 | Karl Bauch | Cleaning device for multi-shafted machine tool |
US6137237A (en) | 1998-01-13 | 2000-10-24 | Fusion Lighting, Inc. | High frequency inductive lamp and power oscillator |
DE102010046710A1 (en) * | 2010-09-28 | 2012-03-29 | Lucien Masson | Pneumatic tool for blowing out |
US10245600B2 (en) | 2015-04-09 | 2019-04-02 | Nex Flow Air Products Corp. | Blowing nozzle |
WO2017068613A1 (en) * | 2015-10-21 | 2017-04-27 | 株式会社キョクトー | Air nozzle |
IT201600129658A1 (en) * | 2016-12-21 | 2018-06-21 | Gabriele Ghidini | SILENCED NOZZLE |
DE102017202258B3 (en) | 2017-02-13 | 2018-07-26 | Ford Global Technologies, Llc | Nozzle for blowing out compressed air |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB441764A (en) * | 1934-03-22 | 1936-01-20 | Einar Olof Eugen Tyden | Silencer for internal combustion engines |
GB434973A (en) * | 1934-05-22 | 1935-09-12 | Smith Bernard | Improvements in or relating to exhaust silencers for internal combustion engines |
DE869721C (en) * | 1949-08-14 | 1953-03-05 | Frankfurter Maschb Ag Vorm Pok | Drilling out the safety holes for boiler studs |
US2917244A (en) * | 1957-08-29 | 1959-12-15 | Ralph L Gould | Safety air gun |
US2893646A (en) * | 1958-10-07 | 1959-07-07 | Charles C Batts | Fluid spray nozzle |
US2936158A (en) * | 1958-12-24 | 1960-05-10 | Kentile Inc | Heat exchange rolls |
US3744723A (en) * | 1969-06-05 | 1973-07-10 | D Davis | Pipe cleaning nozzle |
DE2135298A1 (en) * | 1971-07-15 | 1973-03-15 | Daimler Benz Ag | COMPRESSED AIR NOZZLE FOR CLEANING PURPOSES |
US3951171A (en) * | 1971-07-15 | 1976-04-20 | Gibel Stephen J | Self-pressure regulating air ejector |
US3770211A (en) * | 1971-11-03 | 1973-11-06 | Gen Electric | Gas distributor for casting mold manufacture |
DE2162930A1 (en) * | 1971-12-17 | 1973-06-28 | Krautzberger & Co | WORK NOZZLE FOR PRESSURIZED WORK OR PRESSURE CARRIER MEDIUM, IN PARTICULAR COMPRESSED AIR, WORKING BLOW SPRAYING DEVICES |
US3985302A (en) * | 1975-06-12 | 1976-10-12 | Barry Wright Corporation | Variable two stage air nozzle |
US4050632A (en) * | 1976-09-15 | 1977-09-27 | Gad-Jets, Inc. | Low noise air nozzle |
DE2644625A1 (en) * | 1976-10-02 | 1978-04-06 | Eutectic Corp | Powder flame spray torch - and nozzle assembly |
JPS5662664A (en) * | 1979-10-25 | 1981-05-28 | Kuroki Kogyosho:Kk | Roll for transfer of hot metal piece |
-
1979
- 1979-12-12 SE SE7910216A patent/SE7910216L/en not_active Application Discontinuation
-
1980
- 1980-12-10 WO PCT/SE1980/000330 patent/WO1981001669A1/en active IP Right Grant
- 1980-12-10 JP JP56500201A patent/JPH0130540B2/ja not_active Expired
- 1980-12-10 DE DE8080850187T patent/DE3066775D1/en not_active Expired
- 1980-12-10 AU AU65788/80A patent/AU538248B2/en not_active Ceased
- 1980-12-10 EP EP80850187A patent/EP0030927B1/en not_active Expired
- 1980-12-10 AU AU6578881A patent/AU6578881A/en active Pending
- 1980-12-10 AT AT80850187T patent/ATE6406T1/en not_active IP Right Cessation
-
1981
- 1981-06-10 FI FI811809A patent/FI68769C/en not_active IP Right Cessation
- 1981-06-17 DK DK266581A patent/DK145655C/en not_active IP Right Cessation
- 1981-08-11 NO NO812724A patent/NO812724L/en unknown
Also Published As
Publication number | Publication date |
---|---|
FI811809L (en) | 1981-06-13 |
AU538248B2 (en) | 1984-08-02 |
NO812724L (en) | 1981-08-11 |
ATE6406T1 (en) | 1984-03-15 |
JPH0130540B2 (en) | 1989-06-20 |
EP0030927B1 (en) | 1984-02-29 |
DK145655C (en) | 1983-07-18 |
FI68769B (en) | 1985-07-31 |
AU6578881A (en) | 1981-07-06 |
JPS56501674A (en) | 1981-11-19 |
FI68769C (en) | 1985-11-11 |
WO1981001669A1 (en) | 1981-06-25 |
DE3066775D1 (en) | 1984-04-05 |
SE7910216L (en) | 1981-06-13 |
DK266581A (en) | 1981-06-25 |
EP0030927A1 (en) | 1981-06-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PBP | Patent lapsed |