EP2520723A2 - Dispositif d'actionnement pour un appareil de compactage du sol avec un moteur à combustion et appareil de compactage du sol équipé de ce dispositif d'actionnement - Google Patents

Dispositif d'actionnement pour un appareil de compactage du sol avec un moteur à combustion et appareil de compactage du sol équipé de ce dispositif d'actionnement Download PDF

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Publication number
EP2520723A2
EP2520723A2 EP12002991A EP12002991A EP2520723A2 EP 2520723 A2 EP2520723 A2 EP 2520723A2 EP 12002991 A EP12002991 A EP 12002991A EP 12002991 A EP12002991 A EP 12002991A EP 2520723 A2 EP2520723 A2 EP 2520723A2
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EP
European Patent Office
Prior art keywords
actuating
stop switch
shaft
engine
actuating device
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.)
Withdrawn
Application number
EP12002991A
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German (de)
English (en)
Inventor
Heinz Nick
Werner Nick
Dirk Bonnemann
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.)
Bomag GmbH and Co OHG
Original Assignee
Bomag GmbH and Co OHG
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 Bomag GmbH and Co OHG filed Critical Bomag GmbH and Co OHG
Publication of EP2520723A2 publication Critical patent/EP2520723A2/fr
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/02—Improving by compacting
    • E02D3/046—Improving by compacting by tamping or vibrating, e.g. with auxiliary watering of the soil
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
    • E01C19/30—Tamping or vibrating apparatus other than rollers ; Devices for ramming individual paving elements
    • E01C19/34—Power-driven rammers or tampers, e.g. air-hammer impacted shoes for ramming stone-sett paving; Hand-actuated ramming or tamping machines, e.g. tampers with manually hoisted dropping weight
    • E01C19/35—Hand-held or hand-guided tools

Definitions

  • the invention relates to an actuating device for a soil compacting device with an internal combustion engine, in particular for a vibration tamper, which serves for the joint operation of a motor stop switch and a Tankabsperrventils, and a soil compaction device with such an actuator.
  • the engine stop switch is configured to disconnect power to the ignition circuit in one position ("engine off position"), thereby precluding operation of the internal combustion engine and closing the ignition circuit in another position (“closed position”). ), which allows the operation of the internal combustion engine. If the interruption of the ignition circuit during operation of the internal combustion engine, an actuation of the engine stop switch accordingly leads to an immediate engine stop. Conversely, starting the engine is not possible as long as the engine stop switch is in its "broken position".
  • An actuator is known with which successively both an engine stop switch and a Tankabsperrventil are actuated.
  • This actuator has an actuator in the form of a pivot lever, which can be selectively pivoted between different operating positions and a stopping the engine stop position.
  • the tank shut-off valve is closed directly via a cam arranged on the pivot lever.
  • the engine stop switch is actuated upstream via a Bowden cable, which has an immediate shutdown of the engine result by z. B. the ignition is shorted.
  • the prior art actuator is prone to failure and incidentally often causes the engine is turned off accidentally, namely, when the operating lever is moved beyond its idle position out into the engine stop position.
  • the object of the invention is therefore to provide a simple and robust Betrelirssein adopted for a soil compaction device, on the one hand allows a reliable shutdown of the engine and at the same time has an increased ease of use.
  • An essential basic idea of the invention is to provide two actuation means for operating the soil compaction device, each associated with different operating functions.
  • the first actuating means is provided in a manner known per se for regulating the engine power between an idle state and a full throttle state.
  • the first actuating means is, for example, a throttle lever, via which the engine power can be regulated between idle and full throttle.
  • the operator can control the working intensity of the soil compaction device while the internal combustion engine is running via an adjustment of this first actuating means.
  • the entire actuating device now comprises, in addition to this first actuating means, a separate second actuating means via which a manual control of other operating functions, specifically the control of a tank shut-off valve and a motor stop switch, takes place.
  • a manual control of other operating functions specifically the control of a tank shut-off valve and a motor stop switch.
  • the first and the second actuating means of the actuating device can be controlled separately from each other, wherein a gas regulation via the first actuating means of course only makes sense when the internal combustion engine is running.
  • the invention thus relates to an actuating device with an actuating means with the features of the second actuating means.
  • the second actuating means is designed in such a way that it actuates the Tankabsperrventil and the engine stop switch at least substantially simultaneously, especially in an adjustment of its position "ready” in the direction of "no operation", in addition or alternatively, a appropriate training for the reverse switching path is possible. At least substantially simultaneously it should be understood that the switching of the Tankabsperrventils and the engine stop switch takes place at a manual actuation of the second actuating means by an operator virtually simultaneously. It is thus ideal if the switching over of the tank shut-off valve and the motor stop switch takes place as exactly as possible at the same time.
  • the specific design of the second actuating means can vary in a wide range. It is optimal, this for direct operation of the engine stop switch and / or the Tankabsperrventils form to avoid complicated translation devices. Direct actuation occurs when the second actuation means directly actuates the engine stop switch and / or the tank shut-off valve. Basically, an arrangement of the second actuating means in spatial proximity to the engine stop switch and / or the Tankabsperrventil, in particular as a compact and coherent unit, has proven to be advantageous.
  • a rotary switch is characterized by the fact that it is rotated to switch or to operate and thus requires very little space.
  • a rotary switch is particularly well suited to transfer actuating forces from the second actuating means in a suitable manner to the tank shut-off valve and to the engine stop switch.
  • this preferably comprises a handle, for example in the form of a projecting beam.
  • this embodiment further preferably comprises a rotatably connected to the handle shaft, wherein both the Tankabsperrventil and the engine stop switch via the shaft are indirectly or in particular directly actuated.
  • a shaft is generally understood to mean an element of any desired cross section, which is rotatable about an axis of rotation and can transmit rotational movements and rotational forces (torques), in particular in the manner explained in more detail below. Due to the non-rotatable connection of the handle with the shaft, the shaft rotates in a rotary operation of the handle with.
  • This movement is used in the present case to actuate the engine stop switch and the Tankabsperrventil together and substantially simultaneously. If the rotary handle is pivoted into the engine stop position while the internal combustion engine is running, the tank shut-off valve is closed practically at the same moment or when a common switching point is exceeded, whereupon the fuel connection from the fuel tank to the internal combustion engine is interrupted, and secondly the internal combustion engine is switched off via the engine stop switch can be done for example by interrupting the ignition circuit. If the rotary handle is rotated back from the engine stop position to an operating position, the Tankabsperrventil is opened and the interruption of the ignition circuit is released, whereupon the internal combustion engine can be started and operated.
  • the second actuating means may be formed in such a way that the actuation of the engine stop switch and the Tankabsperrventils in one operating direction (ie of the engine exhibition, in which the engine stop switch interrupts the ignition circuit and the Tankabsperrventil interrupts the fuel supply, in the operating position, in which the engine stop switch closes the ignition circuit and the Tankabsperrventil the fuel supply from the fuel tank to the engine or the carburetor releases) or in the other direction of actuation (from the operating position in the engine exhibition) and preferably in both switching directions the engine stop switch and the Tankabsperrventil practically simultaneously or when exceeding a respective common switching point switches.
  • the simultaneous triggering of the corresponding control operations by the Tankabsperrventil and the engine stop switch is possible, which, for example, depending on the embodiment, ensures that at the same time for switching off the engine, the fuel supply is interrupted and / or vice versa.
  • the advantage for the operator is that he simultaneously performs both control functions with one adjustment. In addition, intermediate positions between a switchover of the engine stop switch and an actuation of the Tankabsperrventils no longer occur.
  • the shaft of the rotary switch can serve on the one hand the bearing of the rotary switch. It is ideal, however, if the shaft has a co-rotating contact device which is designed to actuate the engine stop switch and / or the Tankabsperrventils.
  • the shaft comprises a moving contact device for contacting or non-contact operation, in particular of the engine stop switch.
  • a touching operation of the engine stop switch may be formed, for example, as a key switch.
  • the engine stop switch in the depressed state interrupts the ignition circuit and in the depressed state, the engine stop switch closes.
  • the motor stop switch may be formed, for example, as a magnetic switch or reed contact switch.
  • an embodiment of the contact device in the form of a control surface has proven particularly useful. This is particularly suitable for controlling the engine stop switch, which is often designed as a key switch.
  • Control surface refers to a surface along which an organ to be controlled, for example, the probe of a key switch, is moved during an actuating movement of the second actuating means.
  • embodiments of the contact surface have proven to be particularly suitable as a radially curved surface or eccentric with respect to the axis of rotation or as a cam in the plane of rotation of the rotary switch.
  • the usually pressure spring-loaded key switch is applied to the control surface and is pressed by the special design of the control surface upon actuation of the rotary switch beyond its switching point or, depending on the direction of rotation, pushed out or it is possible to reset by the internal switch restoring force.
  • Switching point refers to the point in the switching movement of the key switch, when it exceeds its one switching position (for example, its ignition circuit interrupting position) changes to its other switching position (For example, in its the ignition circuit closing position).
  • the control surface can be designed, for example, as a radially curved surface.
  • a radially curved surface is characterized in that it has in a plane orthogonal to the rotational axis of the rotary switch in the radial direction changing distances from the axis of rotation, in particular flowing changes in distance are advantageous in order to allow the most harmonious switching operation.
  • control surface and the element to be actuated by the control surface are arranged in such a way that the control surface adjusts the motor stop switch orthogonally to the axis of rotation of the shaft. This achieves a particularly efficient transmission of the rotating adjusting movement of the second actuating means to the engine stop switch.
  • the control surface is thus preferably formed as a co-rotating with the shaft contact surface, which allows a touching operation of the engine stop switch during a rotational movement of the rotary lever.
  • a non-contact operation for example by means of reed contact, are provided. In both cases, however, the contact device rotates with the shaft.
  • the rotatable shaft is simultaneously displaced axially during rotation about the axis of rotation, which can be achieved by a rotary adjustment mechanism (such as. A movement thread or the like).
  • the actuation of the engine stop switch or the Tankabsperrventils can be done here in the axial direction of the shaft. Both variants (actuation in the radial direction and actuation in the axial direction) can also be combined with each other.
  • the activation of the Tankabsperrventils is basically variable.
  • a mechanical actuation in particular by means of a co-moving with the rotary lever actuator, advantageous to achieve a reliable operation of the actuator.
  • a preferred concrete implementation is to provide at the lower axial end of the shaft (ie at the opposite end of the shaft of the rotary shaft), a connecting device which is formed in such a way that it transmits a rotational movement of the rotary lever to a rotary valve of Tankabsperrventils.
  • a rotary valve is presently characterized in that it is movable by a rotational movement between an open and a closed position.
  • the shaft can, for example, articulate a ball valve inserted in the fuel line, wherein the articulation can take place directly or else likewise via a suitable connecting device.
  • the axes of rotation of the rotary lever and the rotary valve are coaxial with each other. This succeeds, for example, particularly well when the rotary valve to a front end of the Wave connects.
  • the Tankabsperrventil is actuated by means of a rotatable shaft operated slide or the like, so that Tankabsperrventile can be used without rotary valves.
  • electrically operated valves or other alternative valves can be used.
  • the shaft may include a radially directed receiving recess into which a rotatable part of the tank check valve, for example a projection in the ball valve of a ball valve, engages.
  • the second actuating means in particular in the form of the rotary switch, is also preferably mounted relatively movable in a housing.
  • the housing further ideally comprises guide means in such a way that the rotary lever is on the one hand securely stored in the housing and on the other hand, a rotational movement for actuating the engine stop switch and the Tankabsperrventils is possible.
  • the engine stop switch and / or the Tankabsperrventil housed in the housing and / or are fixed or held on the housing to ideally obtain a compact and coherent mounting unit.
  • a limiting device in particular a stop
  • the limiting device is effective at least in a direction of adjustment of the rotary lever and thus provides a maximum travel for the movable actuating means. A maximum travel can not be exceeded. This ensures that the operator can not over-rotate the rotary lever and thereby damage, for example, parts of the linkage to the engine stop switch and / or to the tank shut-off valve.
  • the adjusting movement is limited in both actuating directions, ie when using a rotary lever in both directions of rotation, in each case by a limiting device, in particular a stop.
  • the limiting device can be formed by one or by two mechanical movement stops.
  • a mechanical movement stop is designed as a soft stop what z. B. can be accomplished by a housing arranged on the elastic tongue, to which the movable actuating means gently abuts when reaching its end of travel position, for what purpose a contact element corresponding to the tongue is present on the movable adjusting means.
  • the tongue and the contact element can also be arranged reversed.
  • a latching or locking device can also be provided for latching or locking the rotary lever in at least one defined position.
  • the difference between the latching or locking device and the stopper is that it does not necessarily represent a travel limit.
  • the rotary lever can be moved accordingly over the latching or locking position.
  • the latching or locking device ensures that the second actuating means for the operator noticeably occupies a certain defined operating position. This ensures that the operator the common switching point of the engine stop switch and Tankabsperrventil, depending on the position of the locking or locking device for opening the Tankabsperrventils and release the ignition contact by the engine stop switch or to close the Tankabsperrventils and interrupt the ignition contact by operating the engine stop switch , reached.
  • the latching device is characterized in that it is designed to ensure a switching operation in such a way that it noticeably engages before and / or after the switching point (i.e., after reaching the switching point).
  • the essential aspect of the locking device is that it comprises means which allow a determination of the second actuating device in a position before and / or behind the switching point.
  • a backup of the second actuating means may be provided additionally or alternatively also for the operating state to determine the Tankabsperrventil in an open and the engine stop switch in a non-interrupting ignition circuit position.
  • the locking or locking device in particular by corresponding locking or locking elements, between the housing and a part of the rotary lever acts.
  • a one-piece design of the rotary lever ie, shaft and handle
  • the rotary lever has been found to be ideal to facilitate, in particular, manufacture and maintenance.
  • plastic material in particular a cold and impact-resistant plastic material, especially from the group of thermoplastics.
  • the latter specifically allows production via an injection molding process, whereby the manufacturing process can be further optimized.
  • the plastic material may also be incorporated in principle also reinforcing materials.
  • the engine stop switch is often a touch or pressure switch. Although such switches are already comparatively robust, in principle too strong impressions should also be avoided in these switches in order to ensure reliable functioning permanently. Excessive depressions, for example, may damage the return mechanism of the engine stop switch, which is often designed in the form of a return spring.
  • the invention proposes the presence of an elastic load protection, which is designed in such a way that a maximum travel of the engine stop switch is not exceeded in at least one direction of adjustment.
  • the load protection can be designed in particular in such a way that the motor stop switch when exceeding a maximum actuation of the actuating force, for example, transmitted by a motor stop switch contacting control surface, evades.
  • the storage of the engine stop switch can be provided in a projecting bearing tongue, wherein the bearing tongue is preferably connected only on one side with a bearing body, in particular a part of the housing.
  • the bearing tongue has a certain elasticity, in particular if it is made of plastic.
  • a one-piece design of the bearing tongue with a substantial part of the housing, for example a housing half. Exceeds the force acting on the key switch actuator thus a maximum value, the key switch deviates by bending the bearing tongue, which ultimately overload protection for the key switch is achieved.
  • a soil compacting device with an internal combustion engine, said soil compacting device having at least one actuating device according to the invention according to the preceding embodiments.
  • a soil compacting device is preferably a hand-held soil compaction device, such as in particular a vibration rammer or a vibrating plate.
  • the actuating device is preferably fastened to the fuel tank of the soil compaction device or integrated in the housing of the fuel tank.
  • Fig. 1 shows a total of 100 designated soil compacting device, which in the present case is a so-called vibration tampers.
  • the soil compaction apparatus 100 has an internal combustion engine 10, which is connected to a soil compaction plate 20 via a mechanical drive.
  • Indicated at 30 is a fuel tank, in which a fuel for the operation of the internal combustion engine 10 can be stored.
  • 40 with an actuating device is referred to above, comprising a first actuating means 73 in the form of a throttle lever and a second actuating means 80 explained in more detail below for the common and simultaneous operation of a motor stop switch and a Tankabsperrventils.
  • the second actuating means 80 of the actuator 40 is, as shown, attached to the fuel tank 30 and to a housing of the fuel tank 30, respectively.
  • Reference numerals 31 and 50 denote a tank lid 31 and a handle bar 50.
  • Fig. 6 is particularly clear again the actuator, in particular the relative position and spatial separation of the first actuating means 73 and the second actuating means 80th
  • Fig. 2 shows the second actuating means 80 in a longitudinal section.
  • the second actuating means 80 has a housing 81 in which a rotatable actuating means designed as a rigid shaft 82 is mounted. At its upper axial end, the shaft 82 is formed integrally with a trained as a rotary handle 83 actuator.
  • the rotary handle 83 has a grip rib, as shown Fig. 1 seen.
  • the rotary handle 83 and the shaft 82 together form a rotary lever 90.
  • To guide and seal the rotary handle 83 on the housing 81 (seal against rainwater) a slide guide 84 is provided.
  • the shaft 82 protrudes downwards out of the housing 81 and has at its axially lower end a connecting section 85 which positively engages over the actuating arm 61 of a Tankabsperrventils 60, whereby a positive connection between the shaft 82 and the actuating arm 61 of the Tankabsperrventils 60 is brought about.
  • the mechanical Tankabsperrventil 60 is provided for the interruption of the fuel connection between the fuel tank 30 and the engine 10 at the soil compaction unit 100. In the embodiment shown, the Tankabsperrventil 60 is attached directly to the tank 30 and its housing.
  • the Tankabsperrventil 60 is a conventional Tankabsperrventil in the form of a ball valve or ball valve with a non-visible valve ball 62 which is actuated by means of the actuating arm 61.
  • the valve ball 62 of the Tankabsperrventils 60 can be actuated via the shaft 82 and the actuating arm 61.
  • the common coaxial axis of rotation of the ball valve 62, the actuating arm 61, the shaft 82 and the rotary handle 83 is designated A.
  • motor stop switch is designated, which is also actuated upon rotation of the shaft 82 and virtually simultaneously with actuation of the Tankabsperrventils, as follows in connection with the Fig. 3 and 4 explained in more detail.
  • Fig. 3 shows a sectional view through the second actuating means 80 according to the in Fig. 2 indicated cut profile BB, the section exposing a top view of the engine stop switch 70.
  • the engine stop switch 70 which is elastically mounted via a tongue 72, is designed as a pushbutton switch and has a spring-biased actuating element 71, which is actuated by the shaft 82 in a contacting manner.
  • the shaft 82 is formed in the contacting of the motor stop switch 70 as a curved in the radial direction with respect to the rotation axis
  • a control surface 86 and forms a co-rotating with the shaft 82 contact means, which is designed for pressing in and thus operating the key switch 70.
  • the control surface 86 is formed integrally with the shaft 82.
  • the arrangement of the engine stop switch 70 on the bearing tongue 72 allows the engine stop switch 70 can escape when exceeding a maximum load exerted by the control surface in the direction of actuation of the engine stop switch 70 as a whole, so that with the arrangement of the engine stop switch 70 in the bearing tongue 72 total receive a load protection becomes.
  • the bearing tongue is connected to the housing 81, which is fixed relative to the soil compaction device, of the second actuating means 80 and is mounted thereon.
  • the shaft 82 is in an operating position in which the engine stop switch 70 is not actuated and the Tankabsperrventil 60 is opened.
  • the internal combustion engine 10 can thus be started and operated.
  • the shaft 82 toward the in Fig. 4 illustrated position is moved or rotated, which is illustrated by the rotation arrow M.
  • both the Tankabsperrventil 60 and the engine stop switch 70 are actuated directly and substantially simultaneously by the shaft 82.
  • the operation of the Tankabsperrventils 60 via the connecting portion 85 at the lower axial end of the shaft 82 as explained above, wherein the fuel connection between the fuel tank 30 and the internal combustion engine 10 of Fig. 3 to Fig. 4 is interrupted.
  • the internal combustion engine 10 can be started and operated, wherein the gas regulation takes place separately from the second actuating means 80 alone via the first actuating means of the actuator 40.
  • the shaft 82 In order to interrupt the operation of the internal combustion engine 10, the shaft 82 must be rotated in the opposite direction of rotation (M), which is done by renewed manual application of a rotational force on the rotary handle 83.
  • the Tankabsperrventil 60 is closed again and the operated engine stop switch 70 simultaneously interrupts the ignition circuit of the engine 10. Only purely precautionary is noted that the above-described switching function of the engine stop switch 70 and its operation are only exemplary nature.
  • the adjustment angle for the shaft 82, between the in Fig. 3 shown rotational position and in Fig. 4 shown rotational position is 90 ° (quadrant).
  • the maximum setting angle can be predetermined by a limiting device that is not explained in more detail.
  • unspecified locking and / or locking means may be provided which releasably fix the shaft 82 and / or the rotary handle 83 in an operating position or the engine stop position.
  • a guide means 87 is formed with an at least partially cylindrical inner guide surface, the rotatable mounting and support of the shaft 82 (see also Fig. 1 ) on or in the housing 81 is used.
  • the shaft 82 is for this purpose formed with a corresponding apron-like guide portion 88. Furthermore, it is very easy to see that the shaft 82 is not solid, but designed as a hollow shaft.
  • a rotatable shaft 82 is provided as the actuating means for the joint operation of the Tankabsperrventils 60 and the engine stop switch 70.
  • a longitudinally displaceable slide and / or an electrical switch could be provided as actuating means with which both the Tankabsperrventil 60 and the engine stop switch 70 can be actuated. It is essential that the Tankabsperrventil 60 and the engine stop switch 70 are operated simultaneously. This is further in the FIGS. 5a and 5b specified. Fig. 5a it outputs the switching state Fig. 4 again.
  • the engine stop switch 70 interrupts the ignition circuit of the engine 10 (symbolized by a "-") and the Tankabsperrventil 60 interrupts the fuel transmission from the tank 30 to the engine 10 (also symbolized by a "-"). If the operator now actuates the rotary switch of the second actuating means 80 (opposite to the direction of the arrow M), a position is reached at a certain point in the actuating movement, at which point the engine stop switch 70 will follow the ignition circuit Fig. 5b closes (symbolized by a "+”) and the Tankabsperrventil 60 releases the fuel supply (also symbolized by a "+”), so that in Fig. 3 illustrated state is achieved. Correspondingly opposite, the circuit runs from in Fig.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Civil Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Agronomy & Crop Science (AREA)
  • Architecture (AREA)
  • Soil Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • General Engineering & Computer Science (AREA)
  • Road Paving Machines (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
EP12002991A 2011-05-02 2012-04-27 Dispositif d'actionnement pour un appareil de compactage du sol avec un moteur à combustion et appareil de compactage du sol équipé de ce dispositif d'actionnement Withdrawn EP2520723A2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011100155A DE102011100155A1 (de) 2011-05-02 2011-05-02 Betätigungseinrichtung für ein Bodenverdichtungsgerät mit Verbrennungsmotor, Bodenverdichtungsgerät mit einer solchen Betätigungseinrichtung und Betätigungsmittel

Publications (1)

Publication Number Publication Date
EP2520723A2 true EP2520723A2 (fr) 2012-11-07

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EP12002991A Withdrawn EP2520723A2 (fr) 2011-05-02 2012-04-27 Dispositif d'actionnement pour un appareil de compactage du sol avec un moteur à combustion et appareil de compactage du sol équipé de ce dispositif d'actionnement

Country Status (5)

Country Link
US (1) US20120282027A1 (fr)
EP (1) EP2520723A2 (fr)
JP (1) JP2012233397A (fr)
CN (1) CN102817350A (fr)
DE (1) DE102011100155A1 (fr)

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DE102010005597A1 (de) * 2010-01-25 2011-07-28 BOMAG GmbH, 56154 Bodenverdichtungsgerät mit abklemmbarer Kraftstoffleitung
US9476370B2 (en) 2014-02-20 2016-10-25 Generac Power Systems, Inc. Single point engine control interface

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DE19549113C1 (de) 1995-12-29 1997-07-31 Wacker Werke Kg Gasbetätigungsvorrichtung für zum Anbau an Bodenverdichtungsgeräte bestimmte Verbrennungsmotoren mit Membranvergaser

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