EP0781910B1 - Gasbetätigungsvorrichtung für zum Anbau an Bodenverdichtungsgerät bestimmte Verbrennungsmotoren mit Membranvergaser - Google Patents
Gasbetätigungsvorrichtung für zum Anbau an Bodenverdichtungsgerät bestimmte Verbrennungsmotoren mit Membranvergaser Download PDFInfo
- Publication number
- EP0781910B1 EP0781910B1 EP96120893A EP96120893A EP0781910B1 EP 0781910 B1 EP0781910 B1 EP 0781910B1 EP 96120893 A EP96120893 A EP 96120893A EP 96120893 A EP96120893 A EP 96120893A EP 0781910 B1 EP0781910 B1 EP 0781910B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- shut
- adjusting
- valve
- adjusting member
- adjusting element
- 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
Links
- 239000012528 membrane Substances 0.000 title claims description 7
- 238000002485 combustion reaction Methods 0.000 title claims description 5
- 239000002689 soil Substances 0.000 title description 5
- 238000000280 densification Methods 0.000 title 1
- 239000002828 fuel tank Substances 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 6
- 239000000446 fuel Substances 0.000 description 11
- 230000000903 blocking effect Effects 0.000 description 6
- 238000005056 compaction Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
Images
Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
- F02D11/04—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by mechanical control linkages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D17/00—Controlling engines by cutting out individual cylinders; Rendering engines inoperative or idling
- F02D17/04—Controlling engines by cutting out individual cylinders; Rendering engines inoperative or idling rendering engines inoperative or idling, e.g. caused by abnormal conditions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M17/00—Carburettors having pertinent characteristics not provided for in, or of interest apart from, the apparatus of preceding main groups F02M1/00 - F02M15/00
- F02M17/02—Floatless carburettors
- F02M17/04—Floatless carburettors having fuel inlet valve controlled by diaphragm
-
- 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
- F02B75/00—Other engines
- F02B75/02—Engines characterised by their cycles, e.g. six-stroke
- F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
- F02B2075/025—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two
-
- 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
- F02B75/00—Other engines
- F02B75/02—Engines characterised by their cycles, e.g. six-stroke
- F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
- F02B2075/027—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle four
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S123/00—Internal-combustion engines
- Y10S123/11—Antidieseling
Definitions
- the invention relates to a gas actuation device for Attachment to soil compaction equipment certain, a membrane carburetor and a lockable connection between a fuel tank and internal combustion engines having the carburetor with an actuator that changes the carburetor position optionally in several switch positions, from full load to Idle to a switching position stopping the engine and back, is movable.
- float carburettors are not suitable for applications, where they are exposed to inclinations and / or strong vibrations because there is a risk of flooding or the carburettors are subject to heavy wear. Soil compaction equipment are often such operating situations exposed, which is why their engines prefer membrane gasifiers be equipped (see e.g. DE-A-674 170).
- Membrane carburettors of the simple series that only have one membrane for fuel control, but also with a carburetor additional second membrane for fuel delivery are much more suitable for vibration machines, however can because of the strong vibrations, but also because of wear and pollution, not assumed with certainty be that these carburetors after stopping the Motors are absolutely reliably sealed.
- the invention has for its object a gas actuation device of the type described at the beginning that after the engine stops, the interruption the line connection between the fuel tank and the carburetor is reliably guaranteed, regardless of whether the The device operates when the engine is stopped It is necessary to know that the fuel tap or the respective one provided shut-off device in the fuel line in Lock position must be transferred.
- This object is achieved in that in the Path of movement of the actuator between the idle position and the stop position arranged a blocking position and such is designed that when passing the blocking position of the idle to stop position the line connection between Fuel tank and carburetor interrupted and when passing the blocking position in the opposite direction this line connection is opened again.
- the engine should stop immediately the movement of the actuator will continue continue in the same direction until the stop position is reached is where, according to a preferred embodiment in the Movement path of the actuator can be actuated by this Short circuit button is arranged.
- this Short circuit button is arranged.
- a switch to turn off the breaker line is provided. Since the actuator for starting the engine the stop position back into one assigned to engine operation Position must be transferred, the short circuit becomes at the same time canceled or the interrupter line switched on again, the shut-off device is opened again and the Line connection between the fuel tank and the carburetor restored.
- An advantageous embodiment consists of a gas actuation device with one in the line connection between Fuel tank and carburetor arranged, mechanically operated Shut-off valve in that one for actuating the shut-off valve suitable mechanical setting connection between the actuator and the shut-off valve a first, with the shut-off valve connected actuator includes a Control cam with a second, belonging to the actuator Actuator is adjustably connected, according to an advantageous Training the first actuator in its the Biased opening position of the shut-off valve assigned position is and under the effect of this bias protrudes into the path of the second actuator that it is from this second actuator against the effect of the bias in its position assigned to the blocking position of the shut-off valve is pressed as long as the actuator in one on the Idle position following and up to the stop position, this including, leading, blocking web section.
- the actuator comprises a pivot lever, which has a control cam on which the first actuator under the effect of the bias in one is approximately radial direction with respect to the actuating lever axis.
- first actuator under the effect of the bias on one its movement limiting stop is present and that the second actuator is assigned to the first actuator such that an operative connection as long as there is between the two actuators the actuator is located in its blocking path section.
- DD 80589 shows and describes a fuel switching device for carburetors of internal combustion engines, which at one such carburetor the idle device after turning off the Switching off the ignition or in overrun mode, the shutdown by means of an electromagnetic valve.
- FIG. 1 A soil compactor 10, which is only through a tubular Part of its frame is shown by a Combustion engine operated by gasoline part of the carburetor 12 can be seen in FIG Throttle valve can be actuated by a lever 14.
- a Bowden cable 16 On the lever 14 attacks a Bowden cable 16, the other end with one about an axis 20 (Fig. 1) pivotable lever 22 connected is and together with this an actuator 18 for Control of the engine forms.
- a handle 24 (Fig.3) provided lever 22 in its one end position, the full load position D, from which it in Fig.
- the lever 14 is provided with an eccentric cam 26 which a short circuit button 28 when the stop position is reached actuated and the engine is immediately stopped.
- Fig. 2 denotes the starting device for the engine.
- a fuel line leads from a fuel tank 30 (FIG. 3) 32 to a shut-off valve 34 and from its outlet 36 on to the carburetor 12.
- the shut-off valve 34 contains one biased into the open position by a spring 39 Valve slide 40, which out of the valve housing 42 in a Relates to the axis 20 radial direction and the a control cam 44 is assigned to the control lever 22.
- This Control curve 44 has a cam-like elevation 46, the is suitable, the valve spool 40 against the action of To press valve spring 39 into its locked position when the Setting lever 24, starting from position C, position B reached. In the locked position of the valve spool 40 is the Supply of the carburetor 12 from the fuel tank 30 completely interrupted.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Description
- Fig. 1
- eine die Gasbetätigungsvorrichtung des Antriebsmotors zeigende, seitliche Detailansicht eines Bo denverdichtungsgeräts,
- Fig. 2
- eine Detailansicht des Antriebsmotors mit dem Vergaser und der Startvorrichtung,
- Fig. 3
- eine teilweise nach der Linie III-III in Fig. 1 geschnittene Ansicht und
- Fig. 4
- eine Detailansicht ähnlich Fig. 1, teilweise geschnitten nach der Linie IV-IV in Fig. 3.
Claims (7)
- Gasbetätigungsvorrichtung für zum Anbau an Bodenverdichtungsgeräte (10) bestimmte, einen Membranvergaser (12) und eine absperrbare Verbindung (32) zwischen einem Treibstofftank (30) und dem Vergaser (12) aufweisende Verbrennungsmotoren mit einem Stellorgan (18), das zur Veränderung der Vergaserstellung wahlweise in mehrere Schaltstellungen, von Vollast (D) über Leerlauf (C) in eine den Motor stoppende Schaltstellung (A) und zurück, bewegbar ist, dadurch gekennzeichnet, daß in der Bewegungsbahn des Stellorgans (18) zwischen der Leerlaufstellung (C) und der Stoppstellung (A) eine Sperrstellung (B) angeordnet und derart gestaltet ist, daß beim Passieren der Sperrstellung (B) von der Leerlauf- (C) zur Stoppstellung (A) die Leitungsverbindung (32) zwischen Treibstofftank (30) und Vergaser (12) unterbrochen und beim Passieren der Sperrstellung in Gegenrichtung diese Leitungsverbindung (32) wieder geöffnet wird.
- Vorrichtung nach Anspruch 1 mit einem in der Leitungsverbindung (32) zwischen Treibstofftank (30) und Vergaser (12) angeordneten, mechanisch betätigbaren Absperrventil (34), dadurch gekennzeichnet, daß eine zur Betätigung des Absperrventils (34) geeignete mechanische Stellverbindung zwischen dem Stellorgan (18) und dem Absperrventil (34) ein erstes, mit dem Absperrventil (34) verbundenes Stellglied (40) umfaßt, das über eine Steuerkurve (44) mit einem zweiten, zum Stellorgan (18) gehörenden Stellglied (22) verstellbar verbunden ist.
- Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß das erste Stellglied (40) in seine der Öffnungsstellung des Absperrventils (34) zugeordnete Stellung vorgespannt ist und unter der Wirkung dieser Vorspannung (39) derart in die Bahn des zweiten Stellglieds (22) ragt, daß es von diesem zweiten Stellglied (22) gegen die Wirkung der Vorspannung (39) in seine der Sperrstellung des Absperrventils (34) zugeordnete Stellung gedrückt wird, solange sich das Stellorgan (18) in einem auf die Leerlaufstellung (C) folgenden und bis zur Stoppstellung (A), diese einschließend, führenden, sperrenden Bahnabschnitt befindet.
- Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß das Stellorgan (18) einen Schwenkhebel (22) umfaßt, der einen Steuernocken (46) aufweist, an dem das erste Stellglied (40) unter Wirkung der Vorspannung (39) in einer in Bezug auf die Stellhebelachse (20) etwa radialen Richtung anliegt.
- Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß das erste Stellglied (40) unter der Wirkung der Vorspannung (39) an einem seine Bewegung begrenzenden Anschlag anliegt und daß das zweite Stellglied (22) dem ersten Stellglied (40) derart zugeordnet ist, daß eine Wirkverbindung zwischen beiden Stellgliedern (22, 40) besteht, solange sich das zweite Stellglied (22) in seinem sperrenden Bahnabschnitt befindet.
- Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß in der Stoppstellung (A) in der Bewegungsbahn des Stellorgans (18) ein durch dieses betätigbarer Kurzschlußknopf (28) angeordnet ist.
- Vorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß in der Stoppstellung in der Bewegungsbahn des Stellorgans ein Schalter angeordnet ist, der die Unterbrecherleitung unterbricht, so lange sich das Stellorgan in der Stoppstellung befindet.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19549113A DE19549113C1 (de) | 1995-12-29 | 1995-12-29 | Gasbetätigungsvorrichtung für zum Anbau an Bodenverdichtungsgeräte bestimmte Verbrennungsmotoren mit Membranvergaser |
DE19549113 | 1995-12-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0781910A1 EP0781910A1 (de) | 1997-07-02 |
EP0781910B1 true EP0781910B1 (de) | 2000-06-07 |
Family
ID=7781627
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96120893A Expired - Lifetime EP0781910B1 (de) | 1995-12-29 | 1996-12-27 | Gasbetätigungsvorrichtung für zum Anbau an Bodenverdichtungsgerät bestimmte Verbrennungsmotoren mit Membranvergaser |
Country Status (5)
Country | Link |
---|---|
US (1) | US5720250A (de) |
EP (1) | EP0781910B1 (de) |
JP (1) | JP3977469B2 (de) |
DE (2) | DE19549113C1 (de) |
ES (1) | ES2147890T3 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015115654A1 (de) | 2015-09-17 | 2017-03-23 | Meflex Telecontrol Gmbh & Co. Kg | Geber zur Gemischverstellung einer Verbrennungskraftmaschine |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6857410B2 (en) * | 2002-08-12 | 2005-02-22 | Tecumseh Products Co | Engine control system |
US7165536B2 (en) * | 2004-06-14 | 2007-01-23 | Tecumseh Products Company | Evaporative emissions control system for small internal combustion engines |
SE528874C2 (sv) * | 2005-07-06 | 2007-03-06 | Dynapac Compaction Equip Ab | Manöveranordning |
JP2007278239A (ja) | 2006-04-11 | 2007-10-25 | Mikasa Sangyo Co Ltd | 振動締固め機のスロットル調整装置 |
US8408183B2 (en) * | 2008-04-22 | 2013-04-02 | Briggs & Stratton Corporation | Ignition and fuel shutoff for engine |
JP5344760B2 (ja) * | 2009-10-28 | 2013-11-20 | 株式会社日立建機カミーノ | 小型締固め機 |
DE102010005597A1 (de) * | 2010-01-25 | 2011-07-28 | BOMAG GmbH, 56154 | Bodenverdichtungsgerät mit abklemmbarer Kraftstoffleitung |
DE102010013618A1 (de) | 2010-04-01 | 2011-10-06 | Bomag Gmbh | Gasbetätigungseinrichtung für ein Bodenverdichtungsgerät und Bodenverdichtungsgerät mit einer solchen Gasbetätigungseinrichtung |
DE102010014898A1 (de) | 2010-04-14 | 2011-10-20 | Bomag Gmbh | Tankabsperrventil mit elektrischem Schalter für ein Bodenverdichtungsgerät und Bodenverdichtungsgerät mit einem solchen Tankabsperrventil |
DE102011100155A1 (de) * | 2011-05-02 | 2012-11-08 | Bomag Gmbh | Betätigungseinrichtung für ein Bodenverdichtungsgerät mit Verbrennungsmotor, Bodenverdichtungsgerät mit einer solchen Betätigungseinrichtung und Betätigungsmittel |
EP3369920B1 (de) * | 2017-03-02 | 2021-09-22 | Briggs & Stratton Corporation | Transportventilsystem für aussenantriebsaggregat |
US11326566B2 (en) | 2017-03-02 | 2022-05-10 | Briggs & Stratton, Llc | Transport valve system for outdoor power equipment |
US11111861B2 (en) | 2017-03-03 | 2021-09-07 | Briggs & Stratton, Llc | Engine speed control system |
DE102021110788A1 (de) | 2021-04-27 | 2022-10-27 | Wacker Neuson Produktion GmbH & Co. KG | Kraftstoffversorgungsvorrichtung für einen Verbrennungsmotor |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD80589A (de) * | ||||
FR463396A (fr) * | 1913-10-08 | 1914-02-20 | Edouard Godot | Dispositif pour interrompre automatiquement l'arrivée de l'air et du carburant dans les moteurs à combustion interne et à explosion ou l'arrivée de la vapeur dans les machines à vapeur |
DE674170C (de) * | 1935-08-24 | 1939-04-06 | Zenith Carburateurs Soc Gen | Einrichtung bei Vergasern fuer Brennkraftmaschinen mit Biegehautbrennstoffdruckregler |
US2619185A (en) * | 1950-07-27 | 1952-11-25 | Dorus P Rudisill | Safety fuel cutoff for vehicles |
DE3737667A1 (de) * | 1987-11-06 | 1989-05-18 | Stihl Maschf Andreas | Vergaser fuer verbrennungsmotoren |
-
1995
- 1995-12-29 DE DE19549113A patent/DE19549113C1/de not_active Expired - Fee Related
-
1996
- 1996-12-24 US US08/782,556 patent/US5720250A/en not_active Expired - Lifetime
- 1996-12-27 DE DE59605395T patent/DE59605395D1/de not_active Expired - Lifetime
- 1996-12-27 EP EP96120893A patent/EP0781910B1/de not_active Expired - Lifetime
- 1996-12-27 JP JP35154696A patent/JP3977469B2/ja not_active Expired - Fee Related
- 1996-12-27 ES ES96120893T patent/ES2147890T3/es not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015115654A1 (de) | 2015-09-17 | 2017-03-23 | Meflex Telecontrol Gmbh & Co. Kg | Geber zur Gemischverstellung einer Verbrennungskraftmaschine |
DE102015115654B4 (de) | 2015-09-17 | 2018-10-31 | Meflex Telecontrol Gmbh & Co. Kg | Geber zur Gemischverstellung einer Verbrennungskraftmaschine |
Also Published As
Publication number | Publication date |
---|---|
DE19549113C1 (de) | 1997-07-31 |
US5720250A (en) | 1998-02-24 |
EP0781910A1 (de) | 1997-07-02 |
JPH09195855A (ja) | 1997-07-29 |
JP3977469B2 (ja) | 2007-09-19 |
DE59605395D1 (de) | 2000-07-13 |
ES2147890T3 (es) | 2000-10-01 |
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