DE2856725A1 - DEVICE FOR THE SEPARATION OF AIR POLLUTING PARTICLES, IN PARTICULAR LEAD PARTICLES, FROM THE EXHAUST GASES OF A COMBUSTION ENGINE - Google Patents

DEVICE FOR THE SEPARATION OF AIR POLLUTING PARTICLES, IN PARTICULAR LEAD PARTICLES, FROM THE EXHAUST GASES OF A COMBUSTION ENGINE

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Publication number
DE2856725A1
DE2856725A1 DE19782856725 DE2856725A DE2856725A1 DE 2856725 A1 DE2856725 A1 DE 2856725A1 DE 19782856725 DE19782856725 DE 19782856725 DE 2856725 A DE2856725 A DE 2856725A DE 2856725 A1 DE2856725 A1 DE 2856725A1
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Germany
Prior art keywords
exhaust gases
flow
particles
chamber
channel
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.)
Pending
Application number
DE19782856725
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German (de)
Inventor
Mario Urbinati
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Fiat SpA
Original Assignee
Fiat SpA
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Publication date
Application filed by Fiat SpA filed Critical Fiat SpA
Publication of DE2856725A1 publication Critical patent/DE2856725A1/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/0211—Arrangements for mounting filtering elements in housing, e.g. with means for compensating thermal expansion or vibration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
    • F01N13/0097—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series the purifying devices are arranged in a single housing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/037—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of inertial or centrifugal separators, e.g. of cyclone type, optionally combined or associated with agglomerators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/05—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of air, e.g. by mixing exhaust with air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2330/00—Structure of catalyst support or particle filter
    • F01N2330/12—Metallic wire mesh fabric or knitting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2470/00—Structure or shape of gas passages, pipes or tubes
    • F01N2470/02—Tubes being perforated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2490/00—Structure, disposition or shape of gas-chambers
    • F01N2490/02—Two or more expansion chambers in series connected by means of tubes
    • F01N2490/06—Two or more expansion chambers in series connected by means of tubes the gases flowing longitudinally from inlet to outlet in opposite directions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/02—Lead
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Silencers (AREA)
  • Exhaust-Gas Circulating Devices (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Separating Particles In Gases By Inertia (AREA)

Description

Patentanwälte Dipl.-Ing. H. Weickmann, Dipl.-Phys. Dr. K.FinckePatent attorneys Dipl.-Ing. H. Weickmann, Dipl.-Phys. Dr. K. Fincke

Dipl.-Ing. F. A.WEICKMANN, Dipl.-Chem. B. Huber Dr. Ing. H. LiskäDipl.-Ing. F. A. WEICKMANN, Dipl.-Chem. B. Huber Dr. Ing.H. Liskä

8 000 MÜNCHEN 86, DEN % Q. 08Z !"788,000 MUNICH 86, THE % Q. 08Z! "78

POSTFACH 860820PO Box 860820

MÖHLSTRASSE 22, RUFNUMMER 98 39 21/22MÖHLSTRASSE 22, CALL NUMBER 98 39 21/22

CSB/ChCOD / Ch

FIAT SOCIETA1 PER AZIONI Corso Marconi Io, Turin, ItalienFIAT SOCIETA 1 PER AZIONI Corso Marconi Io, Turin, Italy

Einrichtung zur Aussonderung luftverschmutzender Teilchen, insbesondere Bleiteilchen, aus den Abgasen einer Brennkraftmaschine .Device for separating air-polluting particles, in particular lead particles, from the exhaust gases of an internal combustion engine .

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

Eine Einrichtung dieser Art ist beispielsweise durch die US-PS 3 688 476 bekannt.A device of this type is known, for example, from US Pat. No. 3,688,476.

Die Aufgabe der Erfindung besteht darin, eine Einrichtung dieser Art anzugeben, bei der die Aussonderung der luftverschmutzenden Teilchen aus den Abgasen verbessert ist. IoThe object of the invention is to provide a device of this type in which the removal of air polluting Particles from the exhaust gases is improved. Io

Diese Aufgabe wird durch die Merkmale des Patentanspruchs 1 gelöst. Vorteilhafte Weiterbildungen sind Gegenstand der Unteransprüche.This object is achieved by the features of claim 1. Advantageous further developments are the subject of the subclaims.

ORIGINAL INSPECTEDORIGINAL INSPECTED

Ö09829/062AÖ09829 / 062A

28b672S28b672S

Bei einer Einrichtung nach der Erfindung ist ein Strömungseintritt mit einem Kanal verringerten Strömungsquerschnitts verbunden, und es ist eine erste Fläche vorgesehen, auf die die durch diesen Kanal geführten Abgase mit hoher Geschwindigkeit aufprallen. Eine erste Kammer enthält eine Materialpackung, die die luftverschmutzenden Teilchen konglomeriert. Die erste Fläche hat Öffnungen, durch die die Abgase in die erste Kammer strömen, und ferner eine Krümmung, durch die die Abgasströmung umgekehrt wird. Es ist ferner eine zweite Fläche vorgesehen, auf die die Abgase nach der Strömungsumkehr aufprallen. Diese zweite Fläche hat Öffnungen, durch die die Gase in eine zweite Kammer strömen, in der eine Materialpackung zur Konglomeration der luftverschmutzenden Teilchen vorgesehen ist. Ferner hat die zweite Fläche eine Krümmung derart, daß eine weitere Strömungsumkehr der Abgase erfolgt. Außerdem ist ein Strömungsaustritt vorgesehen, durch den hindurch die Abgase abgegeben werden.In a device according to the invention, there is a flow inlet with a channel of reduced flow cross-section connected, and there is provided a first surface on which the exhaust gases guided through this channel at high speed bounce. A first chamber contains a pack of material that conglomerates the air pollutant particles. The first surface has openings through which the exhaust gases flow into the first chamber and also a curvature through which the exhaust gas flow is reversed. There is also a second surface is provided on which the exhaust gases after the flow reversal bounce. This second surface has openings through which the gases flow into a second chamber in which a pack of material is located is provided for the conglomeration of air polluting particles. Furthermore, the second surface has a Curvature such that a further reversal of the flow of the exhaust gases he follows. In addition, a flow outlet is provided through which the exhaust gases are discharged.

Die Erfindung wird im folgenden anhand eines in den Figuren dargestellten Ausführungsbeispiels beschrieben. Es zeigen:The invention is described below with reference to an embodiment shown in the figures. It demonstrate:

Fig. 1 einen Längsschnitt einer Einrichtung nach der Erfindung,
25Fig. 1 is a longitudinal section of a device according to the invention,
25th

Fig. 2 den Querschnitt II-II nach Fig. 1 undFig. 2 shows the cross-section II-II according to Fig. 1 and

Fig. 3 den Querschnitt III-III nach Fig. 1.FIG. 3 shows the cross section III-III according to FIG. 1.

In den Figuren ist eine Einrichtung dargestellt, die einen zylindrischen Außenkörper 1 hat, welcher mit einem Eintrittsrohr 2 versehen ist, das in ein Ende des Körpers 1 hineingeführt ist. Die Wand des Eintrittsrohrs 2 ist mit mehreren Löchern 3 innerhalb des Körpers 1 versehen, die zu einem ersten ringförmigen Kanal 4 führen.In the figures, a device is shown which has a cylindrical outer body 1, which with an inlet pipe 2, which is led into one end of the body 1. The wall of the inlet pipe 2 is with a plurality of holes 3 are provided inside the body 1, which lead to a first annular channel 4.

909829/0624 0R]G|NAL INSPected909829/0624 0R] G | NAL INSP ected

Drei koaxiale ringförmige Kanalteile 5, 6 und 7 sind innerhalb des Körpers 1 befestigt. Die Kanalteile 5 und 6 sind mit den offenen Seiten des jeweils von ihnen gebildeten Kanals aufeinander zu gerichtet, während der Kanalteil 7 zwischen den Kanalteilen 5 und 6 angeordnet ist und mit seiner offenen Seite derjenigen des Kanalteils 5 gegenübersteht- Konzentrische Reihen von Schlitzen 8 und 9 sind jeweils in den Kanalteilen 5 und 6 vorgesehen, wie aus Fig. 3 bzw. 2 hervorgeht.Three coaxial annular channel parts 5, 6 and 7 are fixed inside the body 1. The channel parts 5 and 6 are directed towards each other with the open sides of the channel formed by them, while the channel part 7 is arranged between the channel parts 5 and 6 and faces with its open side that of the channel part 5- Concentric rows of slots 8 and 9 are provided in the channel parts 5 and 6, respectively, as shown in Fig. 3 and 2 respectively.

Der Körper 1 ist durch zwei halbzylindrische Schalen gebildet, die mit Seitenflanschen la aneinander verschweißt sind.The body 1 is formed by two semi-cylindrical shells which are welded to one another with side flanges la are.

Eine erste zylindrische Kammer 11 und eine zweite zylindrische Kammer Io sind innerhalb des Körpers 1 gebildet. Die zweite Kammer Io ist dem Eintrittsende, die erste Kammer 11 dem Austrittsende des Körpers 1 zugeordnet.A first cylindrical chamber 11 and a second cylindrical chamber Io are formed inside the body 1. The second chamber Io is assigned to the inlet end and the first chamber 11 is assigned to the outlet end of the body 1.

Die zweite Kammer Io ist in dem Körper 1 gehalten, wozu eine Endwand dieser Kammer Io durch Verschweißung mit dem Ende des Eintrittsrohrs 2 innerhalb des Körpers 1 verbunden ist und dieses Ende verschließt. Das andere Ende der Kammer Io ist durch den zweiten Kanalteil 6 verschlossen. An seinem, dem Eintrittsrohr 2 gegenüberliegenden Ende ist der Körper 1 mit der ersten zylindrischen Kammer 11 versehen, die einen größeren Durchmesser als die zweite Kammer Io hat. Die Wand der Kammer 11 ist mit einem Loch 2o versehen, das mit der Außenseite des Körpers 1 in Verbindung steht.The second chamber Io is held in the body 1, for which purpose an end wall of this chamber Io by welding to the end of the inlet pipe 2 inside the body 1 is connected and this end closes. The other end of the chamber Io is closed by the second channel part 6. At its end opposite the inlet pipe 2, the body 1 is cylindrical with the first Chamber 11 is provided, which has a larger diameter than the second chamber Io. The wall of the chamber 11 is with a hole 2o that connects to the outside of the body 1 is in communication.

Die zweite Kammer Io hat eine Endwand, die durch den ersten Kanalteil 5 gebildet ist, ihre andere Endwand ist abdichtend mit der Außenseite eines Austrittsrohrs 14 verbunden, dessen offenes Ende durch den Kanalteil 7 um-The second chamber Io has an end wall that passes through the first Channel part 5 is formed, its other end wall is sealing with the outside of an outlet pipe 14 connected, the open end of which is surrounded by the channel part 7

909829/0624909829/0624

. 2858725. 2858725

(ρ(ρ

geben ist. Die beiden Kammern Io und 11 sind jeweils mit Materialpackungen 12 und 13 gefüllt, die im dargestellten Ausführungsbeispiel aus Teilchen gestreckten Metalls oder aus Drahtgaze bestehen.
5give is. The two chambers Io and 11 are each filled with material packs 12 and 13, which in the illustrated embodiment consist of particles of expanded metal or of wire gauze.
5

Beim Betrieb der Einrichtung ist das Eintrittsrohr 2 mit der Abgasleitung einer Brennkraftmaschine verbunden.When the device is in operation, the inlet pipe 2 is connected to the exhaust pipe of an internal combustion engine.

Luftverschmutzende Abgase treten in den Körper 1 der Einrichtung durch das Eintrittsrohr 2 und die Löcher 3 ein, so daß sie in den ringförmigen Kanal 4 strömen. Da das stromabwärtige Ende des Kanals 4 einen verringerten Strömungsquerschnitt hat, werden die Abgase beachtlich be schleunigt, bevor sie auf den ersten ringförmigen Kanalteil 5 aufprallen. Die kombinierte Wirkung der erhöhten Geschwindigkeit der Abgase und ihres Aufprallens auf den Kanalteil 5 bewirkt, daß die luftverschmutzenden Teilchen durch die Schlitze 8 in die erste Kammer 11 gelangen. Da das Innere der ersten Kammer 11 einen Unterdruck hat, strömt Luft vom Außenraum in die Kammer 11 durch das Loch 2o ein und unterstützt die Zirkulation der Abgase in der Kammer 11 sowie die Konglomeration der luftverschmutzenden Teilchen in der Packung 13.Air polluting exhaust gases enter the body 1 of the device through the inlet pipe 2 and the holes 3 so that they flow into the annular channel 4. Since that downstream end of the channel 4 has a reduced flow cross-section, the exhaust gases are considerably accelerated, before they impinge on the first annular channel part 5. The combined effect of the increased Speed of the exhaust gases and their impact on the duct part 5 causes the air polluting particles pass through the slots 8 into the first chamber 11. Since the interior of the first chamber 11 has a negative pressure, Air flows from the outside into the chamber 11 through the hole 2o and supports the circulation of the exhaust gases in the Chamber 11 as well as the conglomeration of the air polluting particles in the package 13.

Die von einem Teil der luftverschmutzenden Teilchen befreiten Abgase kehren ihre Strömungsrichtung um und prallen gegen den zweiten Kanalteil 6. Hier tritt gleichfalls eine kombinierte Wirkung der hohen Strömungsgeschwindigkeit der teilweise bereits gereinigten Abgase zwischen den Kanalteilen 6 und 7 und des Aufprallens der Abgase auf den Kanalteil 6 auf. Dadurch wird eine Diffusion der Gase in die zweite Kammer Io bewirkt, in der die Materialpackung 12 vorhanden ist. Hier werden weitere Bleiteilchen oder andere luftverschmutzende Teilchen aus den Abgasen ausgesondert. The exhaust gases freed from some of the air polluting particles reverse their flow direction and collide with one another the second channel part 6. Here, too, there is a combined effect of the high flow velocity the partially already cleaned exhaust gases between the channel parts 6 and 7 and the impact of the exhaust gases on the Channel part 6 on. This causes the gases to diffuse into the second chamber Io, in which the material is packaged 12 is present. Here further lead particles or other air polluting particles are separated from the exhaust gases.

909829/0624909829/0624

Die zweimalige Strömungsumkehr der Abgase bewirkt eine Dispersion von Bleiteilchen und anderen luftverschmutzenden Teilchen infolge ihrer Massenträgheit durch die Schlitze 8 und 9 in die Packungen 12 und 13 der Kammern Io und 11 hinein.The two-fold reversal of the flow of the exhaust gases causes a dispersion of lead particles and other air pollutants Particles due to their inertia through the slots 8 and 9 in the packs 12 and 13 of the chambers Io and 11 into it.

Die Abgase erfahren eine weitere Strömungsumkehr an dem zweiten Kanalteil 6, bevor sie durch das Austrittsrohr 14 in die Atmosphäre abgegeben werden. IoThe exhaust gases experience another flow reversal at the second channel part 6 before they are discharged through the outlet pipe 14 into the atmosphere. Io

909829/0624909829/0624

Claims (1)

2828 -S--S- PatentansprücheClaims (Iy Einrichtung zur Aussonderung luftverschmutzender Teilchen, insbesondere Bleiteilchen, aus den Abgasen einer Brennkraftmaschine, gekennzeichnet durch einen Strömungseintritt (2), der mit einem Kanal(Iy facility for the separation of air pollutants Particles, in particular lead particles, from the exhaust gases of an internal combustion engine, characterized through a flow inlet (2), which is connected to a channel (4) verringerten Strömungsquerschnitts verbunden ist, durch eine erste Fläche (5), auf die die durch den Kanal (4) strömenden Abgase aufprallen,(4) the reduced flow area is connected by a first surface (5) to which the passage through the channel (4) impinging flowing exhaust gases, eine erste, eine Materialpackung (13) zur Konglomeration der luftverschmutzenden Teilchen enthaltende Kammer (11), in die hinein die Abgase durch Öffnungen (8) der erster. Fläche (5) hindurchströmen,a first chamber (11) containing a material pack (13) for conglomeration of the air polluting particles, into which the exhaust gases through openings (8) of the first. Flow through the surface (5), eine die Strömungsumkehr der Abgase bewirkende Krümmung der ersten Fläche (5),
durch eine zweite Fläche (6), auf die die Abgase nach der Strömungsumkehr an der ersten Fläche (5) aufprallen und die Öffnungen (9) zur Führung der Abgase in eine zweite Kammer (lo) aufweist, welche eine Materialpackung (12) zur Konglomeration luftverschmutzender Teilchen enthält, durch eine eine weitere Strömungsumkehr der Abgase bevrirkende Krümmung der zweiten Fläche (6) und durch einen Strömungsaustritt (14) zur Abgabe der Abgase nach der zweiten Strömungsumkehr.a curvature of the first surface (5) causing the flow reversal of the exhaust gases,
by a second surface (6) on which the exhaust gases impinge after the flow reversal on the first surface (5) and which has openings (9) for guiding the exhaust gases into a second chamber (lo) which has a material pack (12) for conglomeration contains air polluting particles, through a further flow reversal of the exhaust gases causing curvature of the second surface (6) and through a flow outlet (14) for discharging the exhaust gases after the second flow reversal. 2, Einrichtung nach Anspruch 1, dadurch g e k e η η zeichnet, daß eine dritte Fläche (7) im Strömlings weg der Abgase zwischen der ersten und der zweiten Fläche (5, 6) vorgesehen ist, die den effektiven Strömungsquerschnitt verringert und dadurch die Strömungsgeschwindigkeit der auf die zweite Fläche (6) aufprallenden Abgase 3ο erhöht.2, device according to claim 1, characterized in that g e k e η η, that a third surface (7) in the flow away of the exhaust gases between the first and the second surface (5, 6) is provided, which reduces the effective flow cross-section and thereby the flow velocity the exhaust gases impacting the second surface (6) 3ο increased. ORIGINAL INSPECTFD 909829/0624ORIGINAL INSPECTFD 909829/0624 3. Einrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet , daß die erste Kammer (11) über mindestens eine Öffnung (2o) mit dem Außenraum verbunden ist.3. Device according to claim 1 or 2, characterized in that the first chamber (11) is connected to the outer space via at least one opening (2o). 909829/0B2A909829 / 0B2A
DE19782856725 1978-01-16 1978-12-29 DEVICE FOR THE SEPARATION OF AIR POLLUTING PARTICLES, IN PARTICULAR LEAD PARTICLES, FROM THE EXHAUST GASES OF A COMBUSTION ENGINE Pending DE2856725A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67070/78A IT1106531B (en) 1978-01-16 1978-01-16 DEVICE FOR THE SEPARATION OF LEAD PARTICLES FROM THE EXHAUST GASES OF AN INTERNAL COMBUSTION ENGINE

Publications (1)

Publication Number Publication Date
DE2856725A1 true DE2856725A1 (en) 1979-07-19

Family

ID=11299338

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19787838809U Expired DE7838809U1 (en) 1978-01-16 1978-12-29 DEVICE FOR THE DISPOSAL OF AIR-POLLUTANT PARTICLES, IN PARTICULAR LEAD PARTICLES, FROM THE EXHAUST GASES OF AN INTERNAL COMBUSTION ENGINE
DE19782856725 Pending DE2856725A1 (en) 1978-01-16 1978-12-29 DEVICE FOR THE SEPARATION OF AIR POLLUTING PARTICLES, IN PARTICULAR LEAD PARTICLES, FROM THE EXHAUST GASES OF A COMBUSTION ENGINE

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19787838809U Expired DE7838809U1 (en) 1978-01-16 1978-12-29 DEVICE FOR THE DISPOSAL OF AIR-POLLUTANT PARTICLES, IN PARTICULAR LEAD PARTICLES, FROM THE EXHAUST GASES OF AN INTERNAL COMBUSTION ENGINE

Country Status (8)

Country Link
JP (1) JPS54102664A (en)
AU (1) AU513985B2 (en)
CA (1) CA1107654A (en)
DE (2) DE7838809U1 (en)
FR (1) FR2414621A1 (en)
GB (1) GB2012185B (en)
IT (1) IT1106531B (en)
NZ (1) NZ189306A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4329844A (en) * 1980-05-16 1982-05-18 General Motors Corporation Diesel exhaust filter-incinerator
US5223009A (en) * 1991-09-11 1993-06-29 Mercedes-Benz A.G. Exhaust gas equipment for an internal combustion engine

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007103117A2 (en) 2006-03-03 2007-09-13 Sylvan Source, Inc. Contaminant prevention
US9649576B2 (en) 2012-07-18 2017-05-16 Sanofi-Aventis Deutschland Gmbh Gas-liquid separator
FR3110635A1 (en) * 2020-05-20 2021-11-26 Faurecia Systemes D'echappement Exhaust gas inlet part and corresponding exhaust line

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7215065A (en) * 1972-11-08 1974-05-10

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4329844A (en) * 1980-05-16 1982-05-18 General Motors Corporation Diesel exhaust filter-incinerator
US5223009A (en) * 1991-09-11 1993-06-29 Mercedes-Benz A.G. Exhaust gas equipment for an internal combustion engine

Also Published As

Publication number Publication date
NZ189306A (en) 1982-05-25
GB2012185A (en) 1979-07-25
IT7867070A0 (en) 1978-01-16
IT1106531B (en) 1985-11-11
GB2012185B (en) 1982-03-10
CA1107654A (en) 1981-08-25
DE7838809U1 (en) 1980-02-21
AU4290078A (en) 1979-07-26
FR2414621A1 (en) 1979-08-10
JPS54102664A (en) 1979-08-13
AU513985B2 (en) 1981-01-15

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