EP0882524A2 - Extraction device for exhaust gases of motor vehicles - Google Patents

Extraction device for exhaust gases of motor vehicles Download PDF

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Publication number
EP0882524A2
EP0882524A2 EP97121436A EP97121436A EP0882524A2 EP 0882524 A2 EP0882524 A2 EP 0882524A2 EP 97121436 A EP97121436 A EP 97121436A EP 97121436 A EP97121436 A EP 97121436A EP 0882524 A2 EP0882524 A2 EP 0882524A2
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EP
European Patent Office
Prior art keywords
exhaust
motor
bowden cable
drive wheel
exhaust nozzle
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Withdrawn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
EP97121436A
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German (de)
French (fr)
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EP0882524A3 (en
Inventor
Torsten Dipl.-Ing. Fibelkorn
Michael Dipl.-Ing. Spiegel
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Individual
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Individual
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Publication of EP0882524A2 publication Critical patent/EP0882524A2/en
Publication of EP0882524A3 publication Critical patent/EP0882524A3/en
Withdrawn legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    • B08B15/002—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using a central suction system, e.g. for collecting exhaust gases in workshops
    • B08B15/005—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using a central suction system, e.g. for collecting exhaust gases in workshops comprising a stationary main duct with one or more branch units, the branch units being freely movable along a sealed longitudinal slit in the main duct

Definitions

  • the invention relates to a device according to the preamble of claim 1.
  • the invention is based on the object of a device of the kind mentioned at the beginning to create that simple is built and in which the separation and closing of the Force flow take place at any point in the system can, the device being simple and robust at the same time is constructed.
  • the force flow or mechanical restoration using a Bowden cable Through this Bowden cable, which is between the suspension of the drive motor of the vacuum truck and the exhaust nozzle practically runs parallel to the hose, the drive wheel either brought into contact with the running rail, see above that the suction car is moved by the drive motor, or the drive wheel is released from the track, so that the Suction vehicle is then dragged along by the motor vehicle, because the connection between the drive wheel and the running rail is always separated when the exhaust nozzle with the Exhaust of a motor vehicle is connected. Then if the Returning a vacuum truck to the starting position this is done by separating the exhaust nozzle triggered by the exhaust of the motor vehicle. At Larger systems with several suction vehicles will open them up moved back a separate return path. With smaller ones This is also on the tracks of the plant Suction slot channel itself possible.
  • the device is advantageously designed such that as protected in claims 2 to 5.
  • the device shown in the drawing is practically in two parts, namely the one usually about Head-running suction slot channel on which one or more Suction car 1 on rails 9 are movable.
  • the vacuum trucks 1 are via a hose (not shown) with exhaust grommets 14 (Fig. 3) in which the hose is practical ends. These exhaust grommets are used to connect to the Exhaust of the motor vehicle from which the exhaust gases are extracted should be.
  • the suction cars are in the longitudinal direction of the suction slot channel (2) movable on the rails 9 and possibly by separate Return paths back to their starting position.
  • Conductor rails 19 run parallel to the running rails 9, the current collector with the electric drive motor 6th each suction truck 1 are connected. Each vacuum truck points So a separate drive motor 6 on one Motor mounting plate 5 is attached.
  • the drive shaft 7 of the electric drive motor 6 carries a drive wheel 8, the can be brought into contact with the underside of the running rail 9, but also separable from this to the associated Vacuum truck to move either by the electric motor or to interrupt this possibility of movement, i.e. entrainment of the suction vehicle by the motor vehicle, with which the associated exhaust nozzle is not connected hinder.
  • the motor holding plate 5 can be pivoted about a pin 4, which is attached to the housing 3 of the suction vehicle 1 and transverse to the direction of the suction truck, but parallel to that Axis of the drive shaft 7.
  • a compression spring 10 biases the motor mounting plate 5 so that the drive wheel 8 is pressed against the running rail and so the flow of power between the drive motor and the running rail is made.
  • a Bowden cable 11 is guided in the axis of the compression spring 10, whose soul 12 attached to the motor mounting plate 5 is.
  • the jacket 13 of the Bowden cable 11 is on the housing 3 the suction truck 1 attached.
  • the Bowden cable runs "parallel" to the hose to the exhaust nozzle shown in Fig. 3 14.
  • the jacket is there at an abutment 15 attached while the soul 12 on an angle lever 16th ends, which has a handle 20, which at the same time Actuation of a clamping device 17 for attachment to the Exhaust of the motor vehicle is used.
  • the angle lever 16 is designed and stored so that when closing the clamping device 17 a train on the soul 12 of the Bowden cable becomes.
  • the drive can with a mechanical switching device or a contactless one Switching device are executed that responds when one suction trolley comes very close to the other.
  • the drive with a switching element be equipped, the drive motor for energy saving and to reduce wear with separate power flow switches off.
  • These control functions are printed on a Circuit 18 housed in the housing 3.

Landscapes

  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Motor Or Generator Cooling System (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

The device is used for drawing off exhaust gases from a road vehicle. It consists of a carriage (1) on an overhead railway system, with a set of wheels engaging a pair of running rails (9) mounted on a framework. A hose attached to the carriage may be coupled to the end of the exhaust pipe of the vehicle and is connected to a manifold and a suction device. One of the wheels (8) on the carriage is connected to a drive motor to move the carriage along the track. A pressure spring (10) pushes the drive wheel against the rail and is connected to a "Bowden" (RTM) cable.

Description

Die Erfindung betrifft eine Vorrichtung nach dem Oberbegriff des Anspruches 1.The invention relates to a device according to the preamble of claim 1.

Aus der DE-C2-34 33 602 ist eine Vorrichtung nach dem Oberbegriff des Anspruches 1 bekannt. Bei dieser Vorrichtung wird der Kraftfluß zwischen dem elektrischen Antriebsmotor und der Laufschiene durch ein elektrisch schaltbares Kupplungselement getrennt bzw. geschlossen. Zu diesem Zweck ist die Stromschiene, über die der elektrische Antriebsmotor und das elektrisch schaltbare Kupplungselement mit Strom versorgt wird, in einzelne schaltbare Abschnitte aufgeteilt. Hiermit ist der Nachteil verbunden, daß das Trennen oder Schließen des Kraftflusses nicht an beliebiger Stelle der Anlage möglich ist, sondern nur in Abhängigkeit von den Abschnitten der Stromschiene. Je länger die Abschnitte der Stromschiene sind, desto grober ist die Eingriffsmöglichkeit. Befinden sich mehrere Saugwagen angeschlossen an einen Abschnitt der Stromschiene, so werden diese Saugwagen gemeinsam ein- und ausgeschaltet. Durch die Trennung der Stromschiene in einzelne Abschnitte ist die Vorrichtung verhältnismäßig aufwendig.From DE-C2-34 33 602 a device according to The preamble of claim 1 is known. With this device the power flow between the electric drive motor and the track by an electrically switchable Coupling element separated or closed. To this end is the busbar over which the electric drive motor and the electrically switchable coupling element Power is supplied in individual switchable sections divided up. This has the disadvantage that the Do not disconnect or close the power flow at any Location of the system is possible, but only depending from the sections of the power rail. The longer the sections the busbar, the coarser the possibility of intervention. There are several suction vehicles connected to a section of the track, so be these vacuum trucks switched on and off together. Through the The busbar is separated into individual sections Device relatively expensive.

Der Erfindung liegt nun die Aufgabe zugrunde, eine Vorrichtung der eingangs genannten Art zu schaffen, die einfach aufgebaut ist und bei der das Trennen und Schließen des Kraftflusses an jeder beliebigen Stelle der Anlage erfolgen kann, wobei die Vorrichtung gleichzeitig einfach und robust aufgebaut ist.The invention is based on the object of a device of the kind mentioned at the beginning to create that simple is built and in which the separation and closing of the Force flow take place at any point in the system can, the device being simple and robust at the same time is constructed.

Diese Aufgabe wird durch das Kennzeichen des Anspruches 1 gelöst.This object is achieved by the characterizing part of claim 1 solved.

Erfindungsgemäß erfolgt die Trennung des Kraftflusses bzw. die Wiederherstellung mechanisch mit Hilfe eines Bowdenzuges. Durch diesen Bowdenzug, der zwischen der Aufhängung des Antriebsmotors des Saugwagens und der Abgastülle praktisch parallel zu dem Schlauch verläuft, wird das Antriebsrad entweder mit der Laufschiene zur Anlage gebracht, so daß der Saugwagen durch den Antriebsmotor bewegt wird, oder das Antriebsrad wird von der Laufschiene gelöst, so daß der Saugwagen dann durch das Kraftfahrzeug mitgeschleppt wird, da die Verbindung zwischen Antriebsrad und Laufschiene immer dann getrennt wird, wenn die Abgastülle mit dem Auspuff eines Kraftfahrzeuges verbunden ist. Wenn dann der Rücktransport eines Saugwagens in die Ausgangsstellung erfolgen soll, wird dieses durch die Trennung der Abgastülle von dem Auspuff des Kraftfahrzeuges ausgelöst. Bei größeren Anlagen mit mehreren Saugwagen werden diese auf einer gesonderten Rücklaufbahn zurückbewegt. Bei kleineren Anlagen ist dieses auch auf den Laufschienen des Saugschlitzkanals selbst möglich.According to the invention, the force flow or mechanical restoration using a Bowden cable. Through this Bowden cable, which is between the suspension of the drive motor of the vacuum truck and the exhaust nozzle practically runs parallel to the hose, the drive wheel either brought into contact with the running rail, see above that the suction car is moved by the drive motor, or the drive wheel is released from the track, so that the Suction vehicle is then dragged along by the motor vehicle, because the connection between the drive wheel and the running rail is always separated when the exhaust nozzle with the Exhaust of a motor vehicle is connected. Then if the Returning a vacuum truck to the starting position this is done by separating the exhaust nozzle triggered by the exhaust of the motor vehicle. At Larger systems with several suction vehicles will open them up moved back a separate return path. With smaller ones This is also on the tracks of the plant Suction slot channel itself possible.

In vorteilhafter Weise ist die Vorrichtung so ausgebildet, wie in den Ansprüchen 2 bis 5 unter Schutz gestellt. The device is advantageously designed such that as protected in claims 2 to 5.

Im folgenden wird die Erfindung unter Hinweis auf die Zeichnung anhand eines Ausführungsbeispieles näher erläutert.In the following the invention with reference to the Drawing explained in more detail using an exemplary embodiment.

Es zeigt:

Fig. 1
einen Querschnitt durch den Teil einer Ausführungsform der Erfindung, der durch den Saugkanal gebildet wird;
Fig. 2
eine Seitenansicht der Darstellung der Fig. 1; und
Fig. 3
eine Ansicht des anderen Teils oder des anderen Endes der Vorrichtung, der durch die Abgastülle gebildet wird.
It shows:
Fig. 1
a cross section through the part of an embodiment of the invention, which is formed by the suction channel;
Fig. 2
a side view of the representation of Fig. 1; and
Fig. 3
a view of the other part or the other end of the device which is formed by the exhaust nozzle.

Die in der Zeichnung dargestellte Vorrichtung besteht praktisch aus zwei Teilen, nämlich dem normalerweise über Kopf verlaufenden Saugschlitzkanal, an dem ein oder mehrere Saugwagen 1 an Laufschienen 9 bewegbar sind. Die Saugwagen 1 sind über einen Schlauch (nicht gezeigt) mit Abgastüllen 14 (Fig. 3) verbunden, in denen der Schlauch praktisch endet. Diese Abgastüllen dienen der Verbindung mit dem Auspuff des Kraftfahrzeuges, von dem die Abgase abgesaugt werden sollen.The device shown in the drawing is practically in two parts, namely the one usually about Head-running suction slot channel on which one or more Suction car 1 on rails 9 are movable. The vacuum trucks 1 are via a hose (not shown) with exhaust grommets 14 (Fig. 3) in which the hose is practical ends. These exhaust grommets are used to connect to the Exhaust of the motor vehicle from which the exhaust gases are extracted should be.

Die Saugwagen sind in Längsrichtung des Saugschlitzkanals (2) an den Laufschienen 9 bewegbar und ggf. durch getrennte Rücklaufbahnen zurück in ihre Ausgangsposition.The suction cars are in the longitudinal direction of the suction slot channel (2) movable on the rails 9 and possibly by separate Return paths back to their starting position.

Parallel zu den Laufschienen 9 verlaufen Stromschienen 19, die über Stromabnehmer mit dem elektrischen Antriebsmotor 6 jedes Saugwagens 1 verbunden sind. Jeder Saugwagen weist also einen gesonderten Antriebsmotor 6 auf, der an einer Motorhalteplatte 5 befestigt ist. Die Antriebswelle 7 des elektrischen Antriebsmotors 6 trägt ein Antriebsrad 8, das mit der Unterseite der Laufschiene 9 zur Anlage bringbar, aber auch von dieser trennbar ist, um den zugehörigen Saugwagen entweder durch den elektrischen Motor zu bewegen oder aber diese Bewegungsmöglichkeit zu unterbrechen, d.h. ein Mitschleppen des Saugwagens durch das Kraftfahrzeug, mit dem die zugehörige Abgastülle verbunden ist, nicht zu behindern.Conductor rails 19 run parallel to the running rails 9, the current collector with the electric drive motor 6th each suction truck 1 are connected. Each vacuum truck points So a separate drive motor 6 on one Motor mounting plate 5 is attached. The drive shaft 7 of the electric drive motor 6 carries a drive wheel 8, the can be brought into contact with the underside of the running rail 9, but also separable from this to the associated Vacuum truck to move either by the electric motor or to interrupt this possibility of movement, i.e. entrainment of the suction vehicle by the motor vehicle, with which the associated exhaust nozzle is not connected hinder.

Die Motorhalteplatte 5 ist um einen Bolzen 4 schwenkbar, der an dem Gehäuse 3 des Saugwagens 1 befestigt ist und quer zur Laufrichtung des Saugwagens, aber parallel zu der Achse der Antriebswelle 7, verläuft.The motor holding plate 5 can be pivoted about a pin 4, which is attached to the housing 3 of the suction vehicle 1 and transverse to the direction of the suction truck, but parallel to that Axis of the drive shaft 7.

Eine Druckfeder 10 spannt die Motorhalteplatte 5 so vor, daß das Antriebsrad 8 gegen die Laufschiene gedrückt wird und so der Kraftfluß zwischen Antriebsmotor und Laufschiene hergestellt ist.A compression spring 10 biases the motor mounting plate 5 so that the drive wheel 8 is pressed against the running rail and so the flow of power between the drive motor and the running rail is made.

In der Achse der Druckfeder 10 ist ein Bowdenzug 11 geführt, dessen Seele 12 an der Motorhalteplatte 5 befestigt ist. Der Mantel 13 des Bowdenzuges 11 ist an dem Gehäuse 3 des Saugwagens 1 befestigt. Der Bowdenzug verläuft "parallel" zu dem Schlauch zu der in Fig. 3 dargestellten Abgastülle 14. Der Mantel ist dort an einem Widerlager 15 befestigt, während die Seele 12 an einem Winkelhebel 16 endet, der eine Handhabe 20 aufweist, die gleichzeitig der Betätigung einer Klemmvorrichtung 17 zum Befestigen an dem Auspuff des Kraftfahrzeuges dient. Der Winkelhebel 16 ist so gestaltet und gelagert, daß beim Schließen der Klemmvorrichtung 17 ein Zug auf die Seele 12 des Bowdenzuges ausgeübt wird. Durch den auf die Seele ausgeübten Zug wird die Motorhalteplatte 5 gegen die Kraft der Druckfeder 10 um den Bolzen 4 geschwenkt, und gleichzeitig wird das Antriebsrad 8 von der Laufschiene 9 abgehoben. Der Kraftfluß zwischen Antrieb und Laufschiene wird dadurch unterbrochen. Wenn die Vorrichtung mit dem Auspuff eines bestimmten Kraftfahrzeuges verbunden ist, treibt der Antriebsmotor 6 den Saugwagen nicht an. Er wird dann durch die Verbindung über den Schlauch von dem entsprechenden Kraftfahrzeug mitgeschleppt. Wenn die Verbindung zwischen der Abgastülle und dem Auspuff getrennt wird, wird das Antriebsrad zur Anlage an der Laufschiene gebracht, und der Saugwagen wird durch den Antriebsmotor bewegt, beispielsweise zurück in seine Ausgangsstellung.A Bowden cable 11 is guided in the axis of the compression spring 10, whose soul 12 attached to the motor mounting plate 5 is. The jacket 13 of the Bowden cable 11 is on the housing 3 the suction truck 1 attached. The Bowden cable runs "parallel" to the hose to the exhaust nozzle shown in Fig. 3 14. The jacket is there at an abutment 15 attached while the soul 12 on an angle lever 16th ends, which has a handle 20, which at the same time Actuation of a clamping device 17 for attachment to the Exhaust of the motor vehicle is used. The angle lever 16 is designed and stored so that when closing the clamping device 17 a train on the soul 12 of the Bowden cable becomes. Through the pull exerted on the soul, the Motor holding plate 5 against the force of the compression spring 10 around Bolt 4 pivoted, and at the same time the drive wheel 8 lifted off the running rail 9. The flow of power between This interrupts the drive and track. If the Device with the exhaust of a certain motor vehicle is connected, the drive motor 6 drives the suction vehicle not at. It is then connected through the Hose from the corresponding motor vehicle dragged along. If the connection between the exhaust nozzle and the exhaust is separated, the drive wheel becomes System brought to the running rail, and the vacuum truck is moved by the drive motor, for example back in his starting position.

Wenn mehrere Saugwagen eingesetzt werden, kann der Antrieb mit einer mechanischen Schaltvorrichtung oder einer berührungslosen Schaltvorrichtung ausgeführt werden, die anspricht, wenn sich ein Absaugwagen dem anderen stark nähert. Zusätzlich kann der Antrieb mit einem Schaltelement ausgestattet werden, das den Antriebsmotor zur Energieeinsparung und zur Verschleißminderung bei getrenntem Kraftfluß abschaltet. Diese Steuerfunktionen sind auf einer gedruckten Schaltung 18 im Gehäuse 3 untergebracht.If several suction vehicles are used, the drive can with a mechanical switching device or a contactless one Switching device are executed that responds when one suction trolley comes very close to the other. In addition, the drive with a switching element be equipped, the drive motor for energy saving and to reduce wear with separate power flow switches off. These control functions are printed on a Circuit 18 housed in the housing 3.

Claims (5)

Vorrichtung zum Absaugen von Auspuffgasen von Kraftfahrzeugen mit einem Saugwagen (1), der an einem Saugschlitzkanal (2) mit Laufschiene (9) dicht geführt und über einen Schlauch mit einer an dem Auspuff des Kraftfahrzeuges zu befestigenden Abgastülle (14) verbunden ist, sowie einem elektrischen Antriebsmotor (6), dessen Antriebsrad (8) mit der Laufschiene zur Anlage bringbar und von dieser trennbar ist, dadurch gekennzeichnet, daß parallel zu dem Schlauch zwischen der Aufhängung des Antriebsmotors (6) und der Abgastülle (14) ein Bowdenzug (11) vorgesehen ist, über den das Antriebsrad (8) bei Verbindung der Abgastülle mit dem Auspuff getrennt und beim Lösen derselben zur Anlage gebracht wird.Exhaust gas extraction device from Motor vehicles with a suction vehicle (1) on a Suction slot channel (2) with guide rail (9) tightly guided and via a hose with one on the exhaust of the motor vehicle Exhaust nozzle (14) to be fastened is connected, and an electric drive motor (6), the drive wheel (8) can be brought into contact with the running rail and from this is separable, characterized in that parallel to the hose between the suspension of the drive motor (6) and the exhaust nozzle (14) a Bowden cable (11) is provided over which the drive wheel (8) when connecting the exhaust nozzle separated with the exhaust and when loosening the same is brought to the plant. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der Antriebsmotor (6) mit dem Antriebsrad (8) an einer Motorhalteplatte (5) angeordnet ist, die um einen Bolzen (4) schwenkbar ist, dessen Achse quer zur Laufrichtung des Saugwagens (1) aber parallel zur Drehachse des Laufrades (8) verläuft.Device according to claim 1, characterized in that the drive motor (6) with the drive wheel (8) is arranged on a motor holding plate (5) which is arranged around a Bolt (4) is pivotable, the axis of which is transverse to the direction of travel of the suction vehicle (1) but parallel to the axis of rotation of the Impeller (8) runs. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das Antriebsrad (8) durch eine Feder (10) in die Stellung vorgespannt ist, in der es an der Laufschiene (9) anliegt.Device according to claim 1 or 2, characterized in that that the drive wheel (8) by a spring (10) is biased into the position in which it is on the running rail (9) is present. Vorrichtung nach einem der Ansprüche 1, 2 oder 3, dadurch gekennzeichnet, daß an der Abgastülle (14) eine Handhabe (20) vorgesehen ist, durch die sowohl eine Klemmvorrichtung (17) zur Verbindung mit dem Auspuff, als auch ein Hebel (16) betätigbar ist, der über den Bowdenzug (10) mit der Aufhängung bzw. der Motorhalteplatte (5) verbunden ist.Device according to one of claims 1, 2 or 3, characterized in that on the exhaust nozzle (14) Handle (20) is provided, through which both a clamping device (17) to connect to the exhaust, as well a lever (16) can be actuated, which is operated via the Bowden cable (10) connected to the suspension or the motor mounting plate (5) is. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß die Seele (12) des Bowdenzuges (11) an der Motorhalteplatte (5) und der Mantel (13) an dem Saugwagengehäuse (3) befestigt ist, und daß der Mantel des Bowdenzuges an dem anderen Ende an einem Widerlager (15) der Abgastülle (14) befestigt ist und die Seele (12) an dem Hebel (16) endet, wobei die Feder als Druckfeder (10), durch die der Bowdenzug (11) hindurchgeht, ausgebildet ist.Device according to claim 4, characterized in that the soul (12) of the Bowden cable (11) on the Motor mounting plate (5) and the jacket (13) on the vacuum truck housing (3) is attached, and that the jacket of the Bowden cable at the other end on an abutment (15) of the exhaust nozzle (14) is attached and the core (12) on the lever (16) ends, the spring as a compression spring (10) through which the Bowden cable (11) passes through, is formed.
EP97121436A 1997-05-21 1997-12-05 Extraction device for exhaust gases of motor vehicles Withdrawn EP0882524A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29708912U DE29708912U1 (en) 1997-05-21 1997-05-21 Device for extracting exhaust gases from motor vehicles
DE29708912U 1997-05-21

Publications (2)

Publication Number Publication Date
EP0882524A2 true EP0882524A2 (en) 1998-12-09
EP0882524A3 EP0882524A3 (en) 1999-10-13

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Application Number Title Priority Date Filing Date
EP97121436A Withdrawn EP0882524A3 (en) 1997-05-21 1997-12-05 Extraction device for exhaust gases of motor vehicles

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EP (1) EP0882524A3 (en)
DE (1) DE29708912U1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1298364B1 (en) * 1997-12-09 2000-01-05 Filcar S R L EQUIPMENT FOR THE SUCTION AND COLLECTION OF EXHAUST GASES OF A MOTOR VEHICLE.

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0174481A1 (en) * 1984-08-18 1986-03-19 Horst Jentzsch Device for extracting and collecting gases, especially engine exhaust gases in a repair or factory shop
DE9200289U1 (en) * 1992-01-13 1992-02-27 Norfi Exhaust Extraction System Gmbh, 2401 Ratekau Extraction device for exhaust gases from motor vehicles
DE29511893U1 (en) * 1995-07-22 1995-09-21 Norfi Exhaust Extraction System GmbH, 23626 Ratekau Exhaust gas extraction device for motor vehicles
DE29607797U1 (en) * 1996-05-02 1997-02-27 Fuhrmann, Ulrich, 23669 Timmendorfer Strand Traveling exhaust gas extraction device for motor vehicles standing on a conveyor belt with a bumper driving device without a fixed coupling to the vehicle itself

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0174481A1 (en) * 1984-08-18 1986-03-19 Horst Jentzsch Device for extracting and collecting gases, especially engine exhaust gases in a repair or factory shop
DE9200289U1 (en) * 1992-01-13 1992-02-27 Norfi Exhaust Extraction System Gmbh, 2401 Ratekau Extraction device for exhaust gases from motor vehicles
DE29511893U1 (en) * 1995-07-22 1995-09-21 Norfi Exhaust Extraction System GmbH, 23626 Ratekau Exhaust gas extraction device for motor vehicles
DE29607797U1 (en) * 1996-05-02 1997-02-27 Fuhrmann, Ulrich, 23669 Timmendorfer Strand Traveling exhaust gas extraction device for motor vehicles standing on a conveyor belt with a bumper driving device without a fixed coupling to the vehicle itself

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Publication number Publication date
DE29708912U1 (en) 1997-07-17
EP0882524A3 (en) 1999-10-13

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