EP0422370B1 - Intake and exhaust conduits - Google Patents

Intake and exhaust conduits Download PDF

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Publication number
EP0422370B1
EP0422370B1 EP90116342A EP90116342A EP0422370B1 EP 0422370 B1 EP0422370 B1 EP 0422370B1 EP 90116342 A EP90116342 A EP 90116342A EP 90116342 A EP90116342 A EP 90116342A EP 0422370 B1 EP0422370 B1 EP 0422370B1
Authority
EP
European Patent Office
Prior art keywords
intake
exhaust
pipes
fastening plates
exhaust manifolds
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP90116342A
Other languages
German (de)
French (fr)
Other versions
EP0422370A1 (en
Inventor
Martin Bayha
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.)
Dr Ing HCF Porsche AG
Original Assignee
Dr Ing HCF Porsche AG
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 Dr Ing HCF Porsche AG filed Critical Dr Ing HCF Porsche AG
Publication of EP0422370A1 publication Critical patent/EP0422370A1/en
Application granted granted Critical
Publication of EP0422370B1 publication Critical patent/EP0422370B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/104—Intake manifolds
    • F02M35/112—Intake manifolds for engines with cylinders all in one line
    • 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10006—Air intakes; Induction systems characterised by the position of elements of the air intake system in direction of the air intake flow, i.e. between ambient air inlet and supply to the combustion chamber
    • F02M35/10072—Intake runners
    • 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10006—Air intakes; Induction systems characterised by the position of elements of the air intake system in direction of the air intake flow, i.e. between ambient air inlet and supply to the combustion chamber
    • F02M35/10078—Connections of intake systems to the engine
    • 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10091—Air intakes; Induction systems characterised by details of intake ducts: shapes; connections; arrangements
    • F02M35/10131—Ducts situated in more than one plane; Ducts of one plane crossing ducts of another plane
    • 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10242—Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
    • F02M35/10288—Air intakes combined with another engine part, e.g. cylinder head cover or being cast in one piece with the exhaust manifold, cylinder head or engine block
    • 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
    • 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10314—Materials for intake systems
    • F02M35/10327—Metals; Alloys

Definitions

  • the invention relates to inlet and outlet lines according to the preamble of claim 1.
  • the US 1,919,793 shows an internal combustion engine according to the preamble of claim 1.
  • a comparable embodiment shows the US 1,490,604.
  • the object of the invention is therefore to take such precautions on the inlet and outlet lines that, on the one hand, they are easier to assemble and, on the other hand, the inlet and outlet pipes in the area of the fastening flanges can be easily optimized with respect to cross section.
  • the main advantages achieved with the invention can be seen in the fact that by combining the inlet and outlet pipes to form a structural unit, the number of screws penetrating the fastening flanges and the assembly effort can be reduced.
  • the space between the inlet and outlet pipes of the inlet and outlet lines in the area of the fastening flanges can be used for the cross-sectional design of these pipes.
  • the screws of the mounting flanges can be arranged so that the cross section of the inlet and outlet pipes is not affected by them.
  • the type of screw arrangement ensures that the assembly is securely attached to the cylinder head.
  • a cylinder head 2 which has an inlet line 4 and an outlet line 5 on an upright longitudinal side 3 - uniflow principle -;
  • the inlet and outlet lines 4, 5 are a unit 6 cast, for example, in ferrous metal material - made from one piece - and have inlet pipes 7, 8, 9, 10 and outlet pipes 11, 12, 13, 14.
  • the exhaust pipes 11, 12, 13, 14 are guided away from fastening plates 16, 17, 18, 19 connected to the cylinder head 2 by means of screws 15 and run in an arc in the direction (B) of the oil pan or roadway (not shown) and open into a connecting flange 20 for an exhaust system.
  • the tubes 11 and 12, 12 and 13 and 13 and 14 are connected to one another with gusset-like stiffeners 21, 22, 23.
  • the inlet pipes 7, 8, 9, 10 are also led away from the mounting plates 16, 17, 18, 19 and extend in the opposite direction with respect to the outlet pipes, these inlet pipes ending in the region of a support flange 24 which carries a suction system, not shown .
  • the inlet and outlet pipes on the fastening plates 16, 17, 18, 19 are arranged as follows:
  • the two outer inlet pipes 7 and 10 lie between the outlet pipes 11 and 12 or 13 and 14, whereas the inner inlet pipes 8 and 9 are arranged between the outlet pipes 12 and 13.
  • the pairing of the inlet and outlet pipes on the fastening plates is appropriate according to the following structure: inlet pipe 7 with outlet pipe 11, inlet pipe 8 with outlet pipe 12, outlet pipe 13 with inlet pipe 9 and outlet pipe 14 with inlet pipe 10.
  • Thermal expansion slots 25, 26, 27 are provided in the mounting plates 16, 17, 18, 19 between the paired inlet and outlet pipes. They can be formed by incisions 28 or openings 28 '(FIG. 3). However, there is also the possibility of designing the thermal expansion slots 25, 26, 27 in such a way that the fastening plates 16, 17, 18, 19 are separate plate sections 29, 29 ', 30, 31. From each plate section e.g. an outlet pipe 11 and an inlet pipe 7 led away. In addition, each plate section 29, 29 ', 30, 31 is fastened to the cylinder head 2 with three screws 32, 33, 34, the screw 34 being provided in the region of the thermal expansion slot 25, that is to say also for fastening the plate section 29 or the fastening plate 16 serves.
  • the holes 35, 36, 37, 38 and 39, 40, 41, 42, 43, 44, which penetrate the screws for holding the mounting plates 16, 17, 18, 19, are arranged on both sides of a horizontal central longitudinal plane CC on construction lines DD and EE , which run parallel to the central longitudinal plane CC; the latter includes approximately a mouth plane (G-G) (Fig. 1) of the inlet and outlet pipes on the mounting plates 16, 17, 18, 19.
  • connecting webs 45, 46 are provided which extend, for example, between inlet pipe 8 and outlet pipe 12 or inlet pipe 9 and outlet pipe 13.

Description

Die Erfindung betrifft Ein- und Auslaßleitungen nach dem Oberbegriff des Patentanspruchs 1.The invention relates to inlet and outlet lines according to the preamble of claim 1.

Es ist bekannt, US-PS 2,862,490, die Ein- und Auslaßleitungen getrennt voneinander an einer Längsseite des Brennkraftmaschinenzylinderkopfs - Uniflow-Prinzip - anzuordnen. Dieser Ausführung haftet nicht nur der Nachteil an, daß die unabhängige Montage beider Leitungen einen hohen Fertigungsaufwand verursacht, sondern daß die separaten Befestigungsflansche zwischen den Ein- und Auslaßrohren deren freie Querschnittsgestaltung beeinträchtigen.It is known to arrange US-PS 2,862,490, the inlet and outlet lines separately from one another on a long side of the engine cylinder head - uniflow principle. This design has not only the disadvantage that the independent assembly of both lines causes a high manufacturing effort, but that the separate mounting flanges between the inlet and outlet pipes impair their free cross-sectional design.

Die US 1,919,793 zeigt eine Brennkraftmaschine nach dem Oberbegriff des Anspruchs 1. Eine vergleichbare Ausführung zeigt die US 1,490,604.The US 1,919,793 shows an internal combustion engine according to the preamble of claim 1. A comparable embodiment shows the US 1,490,604.

Aufgabe der Erfindung ist es daher, an den Ein- und Auslaßleitungen solche Vorkehrungen zu treffen, daß sie zum einen einfacher montierbar sind und zum anderen die Ein- und Auslaßrohre im Bereich der Befestigungsflansche bezüglich Querschnitt problemlos optimierbar sind.The object of the invention is therefore to take such precautions on the inlet and outlet lines that, on the one hand, they are easier to assemble and, on the other hand, the inlet and outlet pipes in the area of the fastening flanges can be easily optimized with respect to cross section.

Erfindungsgemäß wird diese Aufgabe durch die kennzeichnenden Merkmale des Patentanspruchs 1 gelöst. Weitere, die Erfindung ausgestaltende Merkmale sind in den Unteransprüchen enthalten.According to the invention, this object is achieved by the characterizing features of patent claim 1. Further features embodying the invention are contained in the subclaims.

Die mit der Erfindung hauptsächlich erzielten Vorteile sind darin zu sehen, daß durch die Vereinigung der Ein- und Auslaßrohre zu einer Baueinheit sich die Zahl der die Befestigungsflansche durchdringenden Schrauben und der Montageaufwand reduzieren läßt. Hinzu kommt, daß der Raum zwischen den Ein-und Auslaßrohren der Ein- und Auslaßleitungen im Bereich der Befestigungsflansche für die Querschnittsgestaltung dieser Rohre nutzbar ist. Anders ausgedrückt, die Schrauben der Befestigungsflansche können so angeordnet werden, daß der Querschnitt der Ein- und Auslaßrohre durch sie nicht beeinträchtigt wird. Die Art der Schraubenanordnung gewährleistet eine sichere Befestigung der Baueinheit am Zylinderkopf.The main advantages achieved with the invention can be seen in the fact that by combining the inlet and outlet pipes to form a structural unit, the number of screws penetrating the fastening flanges and the assembly effort can be reduced. In addition, the space between the inlet and outlet pipes of the inlet and outlet lines in the area of the fastening flanges can be used for the cross-sectional design of these pipes. In other words, the screws of the mounting flanges can be arranged so that the cross section of the inlet and outlet pipes is not affected by them. The type of screw arrangement ensures that the assembly is securely attached to the cylinder head.

In der Zeichnung wird ein Ausführungsbeispiel der Erfindung gezeigt, das nachstehend näher beschrieben ist.In the drawing, an embodiment of the invention is shown, which is described in more detail below.

Es zeigt

Fig. 1
einen Teilquerschnitt einer Brennkraftmaschine mit Ein- und Auslaßleitungen,
Fig. 2
eine Ansicht in Pfeilrichtung A der Fig. 1,
Fig. 3
eine Ansicht entsprechend Fig. 2.
It shows
Fig. 1
a partial cross section of an internal combustion engine with inlet and outlet lines,
Fig. 2
2 shows a view in the direction of arrow A in FIG. 1,
Fig. 3
a view corresponding to FIG. 2nd

Von einer quer in einem Kraftfahrzeug eingebauten Reihen-Vierzylinder-Brennkraftmaschine ist lediglich ein Zylinderkopf 2 dargestellt, der an einer aufrechten Längsseite 3 eine Einlaßleitung 4 und eine Auslaßleitung 5 aufweist - Uniflow-Prinzip -; die Ein- und Auslaßleitungen 4, 5 sind eine beispielsweise in eisenmetallischem Werkstoff gegossene Baueinheit 6 - aus einem Stück hergestellt - und weisen Einlaßrohre 7, 8, 9, 10 und Auslaßrohre 11, 12, 13, 14 auf. Die Auslaßrohre 11, 12, 13, 14 sind von mit dem Zylinderkopf 2 mittels Schrauben 15 verbundenen Befestigungsplatten 16, 17, 18, 19 weggeführt und verlaufen bogenförmig in Richtung (B) Ölwanne bzw. Fahrbahn (nicht gezeigt) und münden in einen Anschlußflansch 20 für eine Abgasanlage. Dabei sind die Rohre 11 und 12, 12 und 13 sowie 13 und 14 mit knotenblechartigen Versteifungen 21, 22, 23 untereinander verbunden. Die Einlaßrohre 7, 8, 9, 10 sind ebenfalls von den Befestigungsplatten 16, 17, 18, 19 weggeführt und erstrecken sich in Bezug auf die Auslaßrohre in entgegengesetzter Richtung, wobei diese Einlaßrohre im Bereich eines Stützflansches 24 enden, der eine nicht gezeigte Sauganlage trägt.Of a four-cylinder in-line internal combustion engine installed transversely in a motor vehicle, only a cylinder head 2 is shown, which has an inlet line 4 and an outlet line 5 on an upright longitudinal side 3 - uniflow principle -; the inlet and outlet lines 4, 5 are a unit 6 cast, for example, in ferrous metal material - made from one piece - and have inlet pipes 7, 8, 9, 10 and outlet pipes 11, 12, 13, 14. The exhaust pipes 11, 12, 13, 14 are guided away from fastening plates 16, 17, 18, 19 connected to the cylinder head 2 by means of screws 15 and run in an arc in the direction (B) of the oil pan or roadway (not shown) and open into a connecting flange 20 for an exhaust system. The tubes 11 and 12, 12 and 13 and 13 and 14 are connected to one another with gusset-like stiffeners 21, 22, 23. The inlet pipes 7, 8, 9, 10 are also led away from the mounting plates 16, 17, 18, 19 and extend in the opposite direction with respect to the outlet pipes, these inlet pipes ending in the region of a support flange 24 which carries a suction system, not shown .

Im Ausführungsbeispiel sind die Ein- und Auslaßrohre an den Befestigungsplatten 16, 17, 18, 19 wie folgt angeordnet:In the exemplary embodiment, the inlet and outlet pipes on the fastening plates 16, 17, 18, 19 are arranged as follows:

Die beiden äußeren Einlaßrohre 7 und 10 liegen zwischen den Auslaßrohren 11 und 12 bzw. 13 und 14, wogegen die innenliegenden Einlaßrohre 8 und 9 zwischen den Auslaßrohren 12 und 13 angeordnet sind. Bei dieser Anordnung bietet sich die paarweise Zusammenfassung der Ein- und Auslaßrohre an den Befestigungsplatten entsprechend nachstehender Gliederung an: Einlaßrohr 7 mit Auslaßrohr 11, Einlaßrohr 8 mit Auslaßrohr 12, Auslaßrohr 13 mit Einlaßrohr 9 und Auslaßrohr 14 mit Einlaßrohr 10.The two outer inlet pipes 7 and 10 lie between the outlet pipes 11 and 12 or 13 and 14, whereas the inner inlet pipes 8 and 9 are arranged between the outlet pipes 12 and 13. With this arrangement, the pairing of the inlet and outlet pipes on the fastening plates is appropriate according to the following structure: inlet pipe 7 with outlet pipe 11, inlet pipe 8 with outlet pipe 12, outlet pipe 13 with inlet pipe 9 and outlet pipe 14 with inlet pipe 10.

In den Befestigungsplatten 16, 17, 18, 19 sind zwischen den paarweise zusammengefassten Ein- und Auslaßrohren Wärmedehnungsschlitze 25, 26, 27 vorgesehen. Sie können durch Einschnitte 28 oder Öffnungen 28'gebildet werden (Fig. 3). Es besteht aber auch die Möglichkeit, die Wärmedehnungsschlitze 25, 26, 27 so auszugestalten, daß die Befestigungsplatten 16, 17, 18, 19 voneinander getrennte Plattenabschnitte 29, 29', 30, 31 sind. Dabei sind von jedem Plattenabschnitt z.B. ein Auslaßrohr 11 und ein Einlaßrohr 7 weggeführt. Außerdem ist jeder Plattenabschnitt 29,29',30,31 mit drei Schrauben 32, 33, 34 am Zylinderkopf 2 befestigt, wobei die Schraube 34 im Bereich des Wärmedehnungsschlitzes 25 vorgesehen ist, also auch noch zur Befestigung des Plattenabschnitts 29 bzw. der Befestigungsplatte 16 dient.Thermal expansion slots 25, 26, 27 are provided in the mounting plates 16, 17, 18, 19 between the paired inlet and outlet pipes. They can be formed by incisions 28 or openings 28 '(FIG. 3). However, there is also the possibility of designing the thermal expansion slots 25, 26, 27 in such a way that the fastening plates 16, 17, 18, 19 are separate plate sections 29, 29 ', 30, 31. From each plate section e.g. an outlet pipe 11 and an inlet pipe 7 led away. In addition, each plate section 29, 29 ', 30, 31 is fastened to the cylinder head 2 with three screws 32, 33, 34, the screw 34 being provided in the region of the thermal expansion slot 25, that is to say also for fastening the plate section 29 or the fastening plate 16 serves.

Die Bohrungen 35, 36, 37, 38 und 39, 40, 41, 42, 43, 44, die die Schrauben zur Halterung der Befestigungsplatten 16, 17, 18, 19 durchdringen, sind beiderseits einer horizontalen Mittellängsebene C-C auf Konstruktionslinien D-D und E-E angeordnet, die parallel zu der Mittellängsebene C-C verlaufen; letzterer schließt in etwa eine Mündungsebene (G-G) (Fig. 1) der Ein- und Auslaßrohre an den Befestigungsplatten 16, 17, 18, 19 ein.The holes 35, 36, 37, 38 and 39, 40, 41, 42, 43, 44, which penetrate the screws for holding the mounting plates 16, 17, 18, 19, are arranged on both sides of a horizontal central longitudinal plane CC on construction lines DD and EE , which run parallel to the central longitudinal plane CC; the latter includes approximately a mouth plane (G-G) (Fig. 1) of the inlet and outlet pipes on the mounting plates 16, 17, 18, 19.

Schließlich sind zur Festigkeitserhöhung zwischen den Einlaßrohren und den Auslaßrohren Verbindungsstege 45, 46 vorgesehen, die sich beispielsweise zwischen Einlaßrohr 8 und Auslaßrohr 12 bzw. Einlaßrohr 9 und Auslaßrohr 13 erstrecken.Finally, to increase the strength between the inlet pipes and the outlet pipes, connecting webs 45, 46 are provided which extend, for example, between inlet pipe 8 and outlet pipe 12 or inlet pipe 9 and outlet pipe 13.

Claims (7)

  1. Intake and exhaust manifolds (4, 5) for an internal-combustion engine of the fourstroke type, the intake and exhaust manifolds forming a structural unit with the intake and exhaust pipes thereof (for example 7 and 11 respectively), wherein the said intake and exhaust pipes are attached to fastening plates (16, 17, 18, 19) situated in a level plane and have intake and exhaust openings which open substantially in one plane (G-G) and wherein the intake and exhaust manifolds are both situated on one side of the first-named plane, so that the intake and exhaust manifolds can be flange-mounted on one longitudinal side of a cylinder head (2) of the internal-combustion engine, wherein the bores (35, 36, 37) and (39, 40, 42, 43, 44) for the bolts (33) in the fastening plates (16, 17, 18, 19) are arranged on both sides of a level plane (C-C) passing substantially through the intake and exhaust openings in the fastening plates (16, 17, 18, 19), characterized in that one intake pipe and one exhaust pipe (for example 7 and 11) terminate respectively in pairs in each fastening plate (16, 17, 18, 19) bounded by thermal-expansion slots (25, 26, 27), wherein the intake pipes (7, 8, 9, 10) extend in the opposition direction from the fastening plates (16, 17, 18, 19) with respect to the exhaust pipes (11, 12, 13, 14).
  2. Intake and exhaust manifolds according to Claim 1, characterized in that some of the bolts (34) passing through the fastening plates are provided in the region of the thermal-expansion slots (25).
  3. Intake and exhaust manifolds according to Claim 1, characterized in that the thermal-expansion slots (25,26, 27) are formed by slits (28) in the fastening plates (16, 17, 18, 19).
  4. Intake and exhaust manifolds according to Claim 1, characterized in that the thermal-expansion slots (25, 26, 27) are formed by opening (28') in the fastening plates (16, 17, 18, 19).
  5. Intake and exhaust manifolds according to one or more of the preceding Claims, characterized in that each plate portion (29) is held on the cylinder head (2) by at least two screws (32, 33).
  6. Intake and exhaust manifolds according to one or more of the preceding Claims, characterized in that the thermal-expansion slots (25, 26, 27) are formed by slits (28) and/or openings (28') in the fastening plates (16, 17, 18, 19) at one end and divide the fastening plates into a plurality of plate portions (for example 29 and 29') at the other end.
  7. Intake and exhaust manifolds according to one or more of the preceding Claims for a four-cylinder in-line internal-combustion engine, characterized in that the two outer intake pipes (7 and 10) are situated between two exhaust pipes (11 and 12, and 13 and 14 respectively), and two intake pipes (8 and 9) are arranged between the exhaust pipes (12, 13) situated on the inside.
EP90116342A 1989-10-13 1990-08-27 Intake and exhaust conduits Expired - Lifetime EP0422370B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3934232A DE3934232C1 (en) 1989-10-13 1989-10-13
DE3934232 1989-10-13

Publications (2)

Publication Number Publication Date
EP0422370A1 EP0422370A1 (en) 1991-04-17
EP0422370B1 true EP0422370B1 (en) 1994-05-04

Family

ID=6391419

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90116342A Expired - Lifetime EP0422370B1 (en) 1989-10-13 1990-08-27 Intake and exhaust conduits

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EP (1) EP0422370B1 (en)
DE (2) DE3934232C1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7044116B2 (en) 2002-04-25 2006-05-16 Behr Gmbh & Co. Kg Exhaust heat exchanger in particular for motor vehicles
US7174948B2 (en) 2001-10-24 2007-02-13 Behr Gmbh & Co. Heat exchanger

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI93139C (en) * 1991-11-11 1995-02-27 Waertsilae Diesel Int Coupling arrangement for pressure media in large diesel engines

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR958037A (en) * 1950-03-02
US1289868A (en) * 1916-03-20 1918-12-31 Moreland Motor Truck Company Manifold.
US1490604A (en) * 1922-03-27 1924-04-15 Continental Motors Corp Intake manifold
GB217964A (en) * 1923-03-16 1924-06-16 William Miller Improvements in or relating to the admission and exhaust pipes of internal combustion engines
US1919793A (en) * 1930-06-04 1933-07-25 Kingston Products Corp Engine
US2344863A (en) * 1942-04-09 1944-03-21 Continental Motors Corp Internal combustion engine
US2503071A (en) * 1946-04-18 1950-04-04 Studebaker Corp Manifold
US2862490A (en) * 1954-10-20 1958-12-02 Gen Motors Corp Engine
US3024774A (en) * 1959-02-05 1962-03-13 Int Harvester Co Tuned intake manifold

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7174948B2 (en) 2001-10-24 2007-02-13 Behr Gmbh & Co. Heat exchanger
US7044116B2 (en) 2002-04-25 2006-05-16 Behr Gmbh & Co. Kg Exhaust heat exchanger in particular for motor vehicles

Also Published As

Publication number Publication date
DE3934232C1 (en) 1991-04-11
DE59005608D1 (en) 1994-06-09
EP0422370A1 (en) 1991-04-17

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