DK137283B - SOUND STEAMERS FOR A COMBUSTION ENGINE FOR A GRASS SLOW MACHINE OR A SIMILAR ENGINE DRIVE GARDEN TOOL - Google Patents

SOUND STEAMERS FOR A COMBUSTION ENGINE FOR A GRASS SLOW MACHINE OR A SIMILAR ENGINE DRIVE GARDEN TOOL

Info

Publication number
DK137283B
DK137283B DK195775A DK195775A DK137283B DK 137283 B DK137283 B DK 137283B DK 195775 A DK195775 A DK 195775A DK 195775 A DK195775 A DK 195775A DK 137283 B DK137283 B DK 137283B
Authority
DK
Denmark
Prior art keywords
steamers
grass
sound
garden tool
combustion engine
Prior art date
Application number
DK195775A
Other languages
Danish (da)
Other versions
DK137283C (en
DK195775A (en
Inventor
E Quack
Original Assignee
Wolf Geraete 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 Wolf Geraete Gmbh filed Critical Wolf Geraete Gmbh
Publication of DK195775A publication Critical patent/DK195775A/en
Publication of DK137283B publication Critical patent/DK137283B/en
Application granted granted Critical
Publication of DK137283C publication Critical patent/DK137283C/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/002—Apparatus adapted for particular uses, e.g. for portable devices driven by machines or engines
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D34/00—Mowers; Mowing apparatus of harvesters
    • A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
    • A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
    • A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
    • A01D34/82—Other details
    • A01D34/826—Noise reduction means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
    • F01N1/089—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling using two or more expansion chambers in series
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D2101/00—Lawn-mowers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2590/00—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
    • F01N2590/06—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines for hand-held tools or portables devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Harvester Elements (AREA)
  • Exhaust Silencers (AREA)
DK195775A 1974-05-13 1975-05-05 SILENCER FOR AN COMBUSTION ENGINE FOR A GRASS SLOW MACHINE OR A SIMILAR MOTORED GARDEN TOOL DK137283C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE7416608 1974-05-13

Publications (3)

Publication Number Publication Date
DK195775A DK195775A (en) 1975-11-14
DK137283B true DK137283B (en) 1978-02-13
DK137283C DK137283C (en) 1978-07-17

Family

ID=6644991

Family Applications (1)

Application Number Title Priority Date Filing Date
DK195775A DK137283C (en) 1974-05-13 1975-05-05 SILENCER FOR AN COMBUSTION ENGINE FOR A GRASS SLOW MACHINE OR A SIMILAR MOTORED GARDEN TOOL

Country Status (9)

Country Link
AT (1) AT350313B (en)
BE (1) BE828726A (en)
CH (1) CH592808A5 (en)
DK (1) DK137283C (en)
FR (1) FR2270775A1 (en)
NL (1) NL7505556A (en)
NO (1) NO751653L (en)
SE (1) SE7505470L (en)
ZA (1) ZA752556B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2474810A1 (en) * 1980-01-31 1981-08-07 Bernard Moteurs Silencer for motor driven lawn-mower - consists of chamber inside housing below motor, with extension in cover fitted over top

Also Published As

Publication number Publication date
ATA326175A (en) 1978-10-15
FR2270775A1 (en) 1975-12-12
CH592808A5 (en) 1977-11-15
NO751653L (en) 1975-11-14
DK137283C (en) 1978-07-17
SE7505470L (en) 1975-11-17
ZA752556B (en) 1976-03-31
BE828726A (en) 1975-09-01
DK195775A (en) 1975-11-14
AT350313B (en) 1979-05-25
NL7505556A (en) 1975-11-17

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