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DE202004002841U1 - Mobile appliance especially garden appliance such as lawn mower or chain saw has internal combustion engine and starter constructed as compressed air motor supplied from compressed air cylinder charged by engine driven compressor - Google Patents

Mobile appliance especially garden appliance such as lawn mower or chain saw has internal combustion engine and starter constructed as compressed air motor supplied from compressed air cylinder charged by engine driven compressor Download PDF

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Publication number
DE202004002841U1
DE202004002841U1 DE200420002841 DE202004002841U DE202004002841U1 DE 202004002841 U1 DE202004002841 U1 DE 202004002841U1 DE 200420002841 DE200420002841 DE 200420002841 DE 202004002841 U DE202004002841 U DE 202004002841U DE 202004002841 U1 DE202004002841 U1 DE 202004002841U1
Authority
DE
Germany
Prior art keywords
compressed air
internal combustion
combustion engine
appliance
lawn mower
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE200420002841
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German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KOHLS REINHARD
Original Assignee
KOHLS REINHARD
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 KOHLS REINHARD filed Critical KOHLS REINHARD
Priority to DE200420002841 priority Critical patent/DE202004002841U1/en
Publication of DE202004002841U1 publication Critical patent/DE202004002841U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N9/00—Starting of engines by supplying auxiliary pressure fluid to their working chambers
    • F02N9/04—Starting of engines by supplying auxiliary pressure fluid to their working chambers the pressure fluid being generated otherwise, e.g. by compressing air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
    • F02B63/02—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for hand-held tools

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)

Abstract

The mobile appliance, especially a garden appliance such as a lawn mower or chain saw, has an internal combustion engine and a starter. The starter is constructed as a compressed air motor supplied from a compressed air cylinder which is charged by an air compressor driven by the engine. The motor and compressor are formed as single unit. The compressed air cylinder may have a connection for an external compressed air source.

Description

Die Erfindung betrifft ein mobiles Gerät, insbesondere ein Gartengerät wie einen Rasenmäher oder Kettensäge, die mit einer Verbrennungskraftmaschine und einem auf diese wirkenden Anlasser versehen ist.The invention relates to a mobile Device, especially a garden tool like a lawn mower or Chainsaw, the one with an internal combustion engine and one acting on it Starter is provided.

Bei derartigen Geräten besteht der Anlasser regelmäßig aus einer Seilzugeinrichtung. Die Betätigung dieser Seilzugeinrichtung ist umständlich und gelingt nicht immer in zufriedenstellender Weise.Such devices exist the starter regularly a cable pull device. The actuation of this cable pull device is cumbersome and is not always successful.

Der Erfindung liegt die Aufgabe zugrunde, ein Gerät der eingangs genannten Art so auszubilden, dass dieses ohne manuelle Betätigung angelassen werden kann.The invention is based on the object Device of trained in such a way that this without manual activity can be started.

Erfindungsgemäß wird diese Aufgabe dadurch gelöst, dass ein Druckluftbehälter vorgesehen ist, der anders als von dem Druckluftbehälter gespeister Druckluftmotor ausgebildet ist und ein den Druckluftbehälter speisender, von der Verbrennungskraftmaschine angetriebener Luftverdichter vorgesehen ist.According to the invention, this object solved, that a compressed air tank is provided, which is fed differently than from the compressed air tank Air motor is formed and a compressed air tank feeding, Air compressor driven by the internal combustion engine is.

Vorzugsweise werden Druckluftmotor und Luftverdichter durch dieselbe Baueinheit gebildet.Air motors are preferred and air compressor formed by the same unit.

Der Druckluftbehälter sollte mit einem Anschluss für eine externe Druckluftquelle versehen sein.The compressed air tank should have a connector for one external compressed air source.

Durch die Erfindung wird also vorgeschlagen, ein mobiles Gerät, insbesondere ein Gartengerät wie einen Rasenmäher oder eine Kettensäge mit einem Druckluftbehälter und einer Druckluftmaschine auszubilden, wobei die Druckluftmaschine als von dem Druckluftbehälter gespeister Druckluftmotor arbeitet, wenn die Verbrennungskraftmaschine angelassen werden soll.The invention therefore proposes a mobile device, especially a garden tool like a lawn mower or a chainsaw with a compressed air tank and to form a compressed air machine, the compressed air machine than from the compressed air tank powered air motor works when the internal combustion engine should be started.

Der Druckluftbehälter wird von der Verbrennungskraftmaschine selbst wieder aufgeladen, indem die Druckluftmaschine als Luftverdichter betrieben wird, die von der Verbrennungskraftmaschine angetrieben wird.The compressed air tank is from the internal combustion engine recharged itself by using the air machine as an air compressor is operated, which is driven by the internal combustion engine becomes.

Es versteht sich, dass bei Erreichen eines ausreichenden Drucks in den Druckluftbehälter die Druckluftmaschine von der Verbrennungskraftmaschine automatisch abgekoppelt wird. Entsprechend wird bei dem Anlassen der Verbrennungskraftmaschine bei deren Betrieb die als Druckluftmotor arbeitende Druckluftmaschine von der Verbrennungskraftmaschine abgekuppelt.It is understood that upon reaching a sufficient pressure in the compressed air tank the compressed air machine is automatically decoupled from the internal combustion engine. Correspondingly, when starting the internal combustion engine during their operation the compressed air machine working as a compressed air motor uncoupled from the internal combustion engine.

Der Druckluftbehälter sollte mit einem Anschluss für eine externe Druckluftquelle versehen sein, so dass – insbesondere bei längerer Lagerung – ein Aufladen des Druckluftbehälters von einer externen Quelle, etwa an einer Einrichtung zum Aufpumpen von Kraftfahrzeugreifen, aufgeladen werden kann.The compressed air tank should have a connector for one external compressed air source should be provided, so that - especially with longer storage - charging of the compressed air tank from an external source, such as an inflator from motor vehicle tires, can be charged.

Das erfindungsgemäß ausgebildete mobile Gerät ermöglicht es auf einfache Weise auf die Seilzugeinrichtung zu verzichten, das relativ geringe erforderliche Volumen des Druckluftbehälters erlaubt es, diesen und die Druckluftmaschine kompakt bauend auszubilden.The mobile device designed according to the invention makes it possible to easily dispense with the cable pull device, the relatively small required volume of the compressed air tank allows to build this and the compressed air machine compact.

Claims (3)

Mobiles Gerät, insbesondere Gartengerät wie Rasenmäher oder Kettensäge, mit einer Verbrennungskraftmaschine und einem Anlasser, dadurch gekennzeichnet, dass ein Druckluftbehälter vorgesehen ist, der Anlasser als von dem Druckluftbehälter gespeister Druckluftmotor ausgebildet ist, und ein den Druckluftbehälter speisender, von der Verbrennungskraftmaschine angetriebener Luftverdichter vorgesehen ist.Mobile device, in particular gardening device such as lawnmower or chainsaw, with an internal combustion engine and a starter, characterized in that a compressed air tank is provided, the starter is designed as a compressed air motor fed by the compressed air tank, and an air compressor feeding the compressed air tank is provided which is driven by the internal combustion engine , Mobiles Gerät nach Anspruch 1, dadurch gekennzeichnet, dass der Druckluftmotor und der Luftverdichter durch dieselbe Baueinheit gebildet werden.Mobile device according to claim 1, characterized in that the compressed air motor and the air compressor are formed by the same unit. Mobiles Gerät nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Druckluftbehälter mit einem Anschluss für eine externe Druckluftquelle versehen ist.Mobile device according to claim 1 or 2, characterized in that the compressed air tank with a connection for an external compressed air source is provided.
DE200420002841 2004-02-24 2004-02-24 Mobile appliance especially garden appliance such as lawn mower or chain saw has internal combustion engine and starter constructed as compressed air motor supplied from compressed air cylinder charged by engine driven compressor Expired - Lifetime DE202004002841U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE200420002841 DE202004002841U1 (en) 2004-02-24 2004-02-24 Mobile appliance especially garden appliance such as lawn mower or chain saw has internal combustion engine and starter constructed as compressed air motor supplied from compressed air cylinder charged by engine driven compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200420002841 DE202004002841U1 (en) 2004-02-24 2004-02-24 Mobile appliance especially garden appliance such as lawn mower or chain saw has internal combustion engine and starter constructed as compressed air motor supplied from compressed air cylinder charged by engine driven compressor

Publications (1)

Publication Number Publication Date
DE202004002841U1 true DE202004002841U1 (en) 2004-04-22

Family

ID=32186298

Family Applications (1)

Application Number Title Priority Date Filing Date
DE200420002841 Expired - Lifetime DE202004002841U1 (en) 2004-02-24 2004-02-24 Mobile appliance especially garden appliance such as lawn mower or chain saw has internal combustion engine and starter constructed as compressed air motor supplied from compressed air cylinder charged by engine driven compressor

Country Status (1)

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DE (1) DE202004002841U1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013011978B3 (en) * 2013-07-18 2014-11-06 Andreas Reichart Starter unit for a mobile device with an internal combustion engine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013011978B3 (en) * 2013-07-18 2014-11-06 Andreas Reichart Starter unit for a mobile device with an internal combustion engine
EP2846034A1 (en) 2013-07-18 2015-03-11 Andreas Reichart Starter unit for a mobile device with an internal combustion engine

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20040527

R156 Lapse of ip right after 3 years

Effective date: 20070901