Global patent index - EP 0979929 A2

EP 0979929 A2 2000-02-16 - Piston engine with rocker arm valve drive

Title (en)

Piston engine with rocker arm valve drive

Title (de)

Hubkolbenmotor mit Kipphebel-Ventilsteuerung

Title (fr)

Moteur à piston à commande de soupape par culbuteur

Publication

EP 0979929 A2 (DE)

Application

EP 98811260 A

Priority

  • EP 98811260 A
  • EP 98115057 A

Abstract (en)

The piston engine has camshaft and tappet receivers (15, 16) cast directly into the cylinder head (24). The assembly shafts (13, 17) are inserted directly in the camshaft or tappet receivers. Their bearings may be roller bearings or slip bearings. The receivers may be made in one piece with the cylinder had or may be made separately of steel and then screwed in.

Abstract (de)

Der Hubkolbenmotor weist eine Kipphebel-Ventilsteuerung, Kolben (1), die an einer Pleuelstange (2) befestigt sind und über Kurbelzapfen (3) mit einer Kurbelwelle (4) verbunden sind, eine Ausgleichswelle (5) und eine von der Kurbelwelle (4) angetriebenen Nockenwelle (10), die ihrerseits Kipphebel (11) betätigt, auf, wobei diese Organe in einem Kurbelwellen-Gehäuse mit einem Zylinderkopf (24) und Zylinderkopf-Deckel (14) angeordnet sind. Zwecks wesentlicher Erleichterung der Montage und des Unterhalts weist der Zylinderkopf (24) direkt darin angegossene oder angeschraubte Aufnahmen (16) auf, die der Befestigung der hohlen Nockenwelle (10) dienen, ohne separat zu befestigenden Lagerböcke zu benötigen. Sinngemäss weist der Zylinderkopf (24) weitere direkt darin angegossene oder angeschraubte Aufnahmen (15, 15A, 25) auf, die der Befestigung der hohlen Kipphebel (11) dienen, ohne separat zu befestigende Lagerböcke zu benötigen. In einer weiteren Ausführung der Erfindung wird die Nockenwelle (10), das Spannrad (7) und die gegenläufig rotierende Ausgleichswelle (5) von nur einer Kette (8) in Linie mit der Kurbelwelle (4) von dieser angetrieben, wodurch eine kompakte Bauweise ermöglicht wird. <IMAGE> <IMAGE>

IPC 1-7 (main, further and additional classification)

F01L 1/18; F01L 1/02; F01L 1/053; F01L 1/26

IPC 8 full level (invention and additional information)

F01L 1/02 (2006.01); F01L 1/04 (2006.01); F01L 1/12 (2006.01); F01L 1/18 (2006.01); F01M 9/10 (2006.01); F02B 67/06 (2006.01); F02F 1/24 (2006.01); F02F 7/00 (2006.01)

CPC (invention and additional information)

F02B 67/06 (2013.01); F01L 1/02 (2013.01); F01L 1/022 (2013.01); F01L 1/024 (2013.01); F01L 1/181 (2013.01); F01L 1/026 (2013.01); F02B 2275/20 (2013.01); F02F 2001/245 (2013.01)

Designated contracting state (EPC)

AT CH DE ES FI FR GB IT LI SE

EPO simple patent family

EP 0979929 A2 20000216; EP 0979929 A3 20000906; EP 0979929 B1 20041215; AU 5511399 A 20000306; BR 9912940 A 20010508; JP 2002522700 A 20020723; US 2003098002 A1 20030529; US 2003098003 A1 20030529; US 6520133 B1 20030218; US 6951196 B2 20051004; WO 0009864 A1 20000224

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