SE1850072A1 - Leaf blower - Google Patents

Leaf blower

Info

Publication number
SE1850072A1
SE1850072A1 SE1850072A SE1850072A SE1850072A1 SE 1850072 A1 SE1850072 A1 SE 1850072A1 SE 1850072 A SE1850072 A SE 1850072A SE 1850072 A SE1850072 A SE 1850072A SE 1850072 A1 SE1850072 A1 SE 1850072A1
Authority
SE
Sweden
Prior art keywords
leaf blower
air inlet
openings
inlet screen
metal
Prior art date
Application number
SE1850072A
Other languages
English (en)
Other versions
SE543870C2 (en
Inventor
Mikael Sahlberg
Original Assignee
Husqvarna Ab
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 Husqvarna Ab filed Critical Husqvarna Ab
Priority to SE1850072A priority Critical patent/SE543870C2/en
Priority to DE102019101077.2A priority patent/DE102019101077A1/de
Priority to CN201910065206.5A priority patent/CN110067759B/zh
Publication of SE1850072A1 publication Critical patent/SE1850072A1/en
Publication of SE543870C2 publication Critical patent/SE543870C2/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/14—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum cleaning by blowing-off, also combined with suction cleaning
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G20/00—Cultivation of turf, lawn or the like; Apparatus or methods therefor
    • A01G20/40—Apparatus for cleaning the lawn or grass surface
    • A01G20/43—Apparatus for cleaning the lawn or grass surface for sweeping, collecting or disintegrating lawn debris
    • A01G20/47—Vacuum or blower devices
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/12—Dry filters
    • A47L9/122—Dry filters flat
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
    • E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
    • E01H1/0809—Loosening or dislodging by blowing ; Drying by means of gas streams
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0673—Battery powered
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
    • F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
    • F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Claims (16)

1. En lövbläs (1) innefattande: - ett hus (3) med ett inlopp (5) och ett utlopp (7), - en fläkt (9) anordnad i huset (3), - en motor (11) anordnad att driva fläkten (9) för att generera ett luftflödefrän nämnda inlopp (5) till nämnda utlopp (7), och - en luftinloppsskiljevägg (13) anordnad vid inloppet (5), kännetecknad av att luftinloppsskiljeväggen (13) är gjord av ett metallgaller(15) som avgränsar öppningar (17), varvid öppningarna (17) svarar för mer än 70%av luftinloppsskiljeväggens (13) ytarea, varvid vardera öppning (17) är försedd meddimensioner som säkerställer hinder för passage av ett sfäriskt föremäl (35) genomluftinloppsskiljeväggen (13), som har en diameter av mer än 7 mm.
2. Lövbläs (1) enligt patentkrav (1 ), varvid öppningarna (17) ärväsentligen jämnt fördelade pä luftinloppsskiljeväggen (13).
3. Lövbläs (1) enligt nägot av patentkrav 1 eller 2, varvid bredden (W)mellan näraliggande öppningar (17', 17", 17"') av delar (23) av metallgallret (15) ärväsentligen enhetligt över hela metallgallret (15).
4. Lövbläs (1) enligt patentkrav 3, varvid bredden (W) är inom intervalletav 0,7 - 1,5 mm.
5. Lövbläs (1) enligt nägot av föregäende patentkrav, varvid tjockleken avmetallgallret (15) är inom intervallet av 0,3 - 0,8 mm.
6. Lövbläs (1) enligt något av föregäende patentkrav, varvid metallgallret(15) är ett stälgaller.
7. Lövbläs (1) enligt nägot av föregäende patentkrav, varvid öppningarna(17) är polygonalt formade.
8. Lövbläs (1) enligt patentkrav 7, varvid öppningarna (17) är hexagonaltformade.
9. Lövbläs (1) enligt patentkrav 8, varvid metallgallret (15) harformen av en bivaxkaka.
10. Lövblås (1) enligt något av patentkrav 7 - 9, varvid vardera öppning avett flertal av öppningarna (17) innefattar två parallella sidor (25) som är längre än deövriga sidorna (27).
11. Lövblås (1) enligt något av föregående patentkrav 1, varvid metall-gallret (15) är gjort av en metallplåt (29) och varvid öppningarna (17) är anordnadesom genomgående hål i metallplåten (29).
12. Lövblås enligt patentkrav 11, varvid öppningarna (17) är gjorda avetsade delar i metallplåten (29).
13. Lövblås (1) enligt patentkrav 11, varvid öppningarna (17) är gjorda avstansade delar i metallplåten (29).
14. Lövblås (1) enligt något av patentkrav 1 - 10, varvid metallgallret (15)innefattar metalltrådar (33) vävda in i metallgallret (15).
15. Lövblås (1) enligt något av föregående patentkrav, varvid motorn (11)är en elektrisk motor.
16. Lövblås (1) enligt patentkrav 15, varvid lövblåsen (1) innefattaråtminstone ett batteri (37) anordnat att driva den elektriska motorn (11).
SE1850072A 2018-01-24 2018-01-24 Leaf blower SE543870C2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE1850072A SE543870C2 (en) 2018-01-24 2018-01-24 Leaf blower
DE102019101077.2A DE102019101077A1 (de) 2018-01-24 2019-01-16 Laubbläser
CN201910065206.5A CN110067759B (zh) 2018-01-24 2019-01-23 叶鼓风机

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1850072A SE543870C2 (en) 2018-01-24 2018-01-24 Leaf blower

Publications (2)

Publication Number Publication Date
SE1850072A1 true SE1850072A1 (en) 2019-07-25
SE543870C2 SE543870C2 (en) 2021-08-17

Family

ID=67145386

Family Applications (1)

Application Number Title Priority Date Filing Date
SE1850072A SE543870C2 (en) 2018-01-24 2018-01-24 Leaf blower

Country Status (3)

Country Link
CN (1) CN110067759B (sv)
DE (1) DE102019101077A1 (sv)
SE (1) SE543870C2 (sv)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110528438B (zh) * 2019-09-12 2020-10-16 永康市创威电动工具制造有限公司 绿化落叶清扫装置
EP4042861B1 (de) * 2021-02-12 2023-12-20 Andreas Stihl AG & Co. KG Schutzvorrichtung für einen ansaug- oder blaskanal eines arbeitsgerätes und arbeitsgerät mit einer schutzvorrichtung

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1683528A (en) * 1924-04-23 1928-09-04 Carlton Machine Tool Co Clutch mechanism for reversing gear
US4325163A (en) * 1980-04-07 1982-04-20 Allegretti & Company Portable blower-vacuum unit
US4644606A (en) * 1985-04-08 1987-02-24 Mcculloch Corporation Lawn/garden blower/vacuum
US4799287A (en) * 1987-05-04 1989-01-24 Belanger, Inc. Blower housing construction
US20010021344A1 (en) * 2000-03-10 2001-09-13 Junichi Miyamoto Centrifugal blower and portable power working machine
JP2009091719A (ja) * 2007-10-03 2009-04-30 Hitachi Koki Co Ltd 携帯用ブロワ
US20100086412A1 (en) * 2006-10-13 2010-04-08 Shindaiwa Corporation Blower

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6817940B2 (en) * 2002-06-03 2004-11-16 Pfannenberg Gmbh Airflow unit
US9663408B2 (en) * 2013-09-26 2017-05-30 Ngk Insulators, Ltd. Honeycomb structure
CN203730372U (zh) * 2013-12-31 2014-07-23 杭州顿力电器有限公司 120型双进风蜗壳风机专用防护网罩
CN103953620A (zh) * 2014-05-21 2014-07-30 无锡杰尔压缩机有限公司 带阻尼网的整流组合装置
CN105587691A (zh) * 2014-10-23 2016-05-18 山东华联矿业股份有限公司 局部通风机进风口防护装置
CN204436835U (zh) * 2015-01-16 2015-07-01 安徽科杰粮保仓储设备有限公司 一种粮仓专用风机
RU2642942C1 (ru) * 2015-03-30 2018-01-29 Конинклейке Филипс Н.В. Блок вентилятора
JP6491025B2 (ja) * 2015-04-20 2019-03-27 株式会社マキタ 背負い式ブロワ

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1683528A (en) * 1924-04-23 1928-09-04 Carlton Machine Tool Co Clutch mechanism for reversing gear
US4325163A (en) * 1980-04-07 1982-04-20 Allegretti & Company Portable blower-vacuum unit
US4644606A (en) * 1985-04-08 1987-02-24 Mcculloch Corporation Lawn/garden blower/vacuum
US4799287A (en) * 1987-05-04 1989-01-24 Belanger, Inc. Blower housing construction
US20010021344A1 (en) * 2000-03-10 2001-09-13 Junichi Miyamoto Centrifugal blower and portable power working machine
US20100086412A1 (en) * 2006-10-13 2010-04-08 Shindaiwa Corporation Blower
JP2009091719A (ja) * 2007-10-03 2009-04-30 Hitachi Koki Co Ltd 携帯用ブロワ

Also Published As

Publication number Publication date
CN110067759A (zh) 2019-07-30
CN110067759B (zh) 2022-07-15
SE543870C2 (en) 2021-08-17
DE102019101077A1 (de) 2019-07-25

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