CH592808A5 - - Google Patents

Info

Publication number
CH592808A5
CH592808A5 CH501075A CH501075A CH592808A5 CH 592808 A5 CH592808 A5 CH 592808A5 CH 501075 A CH501075 A CH 501075A CH 501075 A CH501075 A CH 501075A CH 592808 A5 CH592808 A5 CH 592808A5
Authority
CH
Switzerland
Application number
CH501075A
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 CH592808A5 publication Critical patent/CH592808A5/xx

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)
  • Exhaust Silencers (AREA)
  • Harvester Elements (AREA)
CH501075A 1974-05-13 1975-04-18 CH592808A5 (sv)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH592808A5 true CH592808A5 (sv) 1977-11-15

Family

ID=6644991

Family Applications (1)

Application Number Title Priority Date Filing Date
CH501075A CH592808A5 (sv) 1974-05-13 1975-04-18

Country Status (9)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2474810A1 (fr) * 1980-01-31 1981-08-07 Bernard Moteurs Tondeuse a gazon

Also Published As

Publication number Publication date
DK137283B (da) 1978-02-13
SE7505470L (sv) 1975-11-17
FR2270775A1 (en) 1975-12-12
NL7505556A (nl) 1975-11-17
ATA326175A (de) 1978-10-15
DK137283C (da) 1978-07-17
AT350313B (de) 1979-05-25
ZA752556B (en) 1976-03-31
DK195775A (da) 1975-11-14
NO751653L (sv) 1975-11-14
BE828726A (fr) 1975-09-01

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Legal Events

Date Code Title Description
PL Patent ceased