EP 2276913 B1 20111109 - OUTLET VALVE ON A RECIPROCATING ENGINE
Title (en)
OUTLET VALVE ON A RECIPROCATING ENGINE
Title (de)
AUSLASSVENTIL AN EINEM HUBKOLBENMOTOR
Title (fr)
SOUPAPE D'ÉCHAPPEMENT POUR UN MOTEUR À PISTON ALTERNATIF
Publication
Application
Priority
- EP 2009002580 W 20090408
- DE 102008018875 A 20080414
Abstract (en)
[origin: WO2009127348A1] An outlet valve on a reciprocating engine comprises a moveable valve body comprising a valve shaft and valve plate, said plate having a ring shaped seat region made of a first alloy that is different from a second alloy forming the base body of the valve plate in the form of a nickel based alloy. The first alloy is made of a nickel or cobalt based alloy, having a higher abrasion resistance compared to the second alloy. A region of the valve plate (3) forming the plate bottom (5) is formed by a third alloy and a circumferential region directly proximate thereto is formed by a fourth alloy, each of said alloys being made of a nickel-based alloy with a high resistance against hot gas corrosion. An edge region of the valve plate (3) proximate to the circumferential region comprises a fifth alloy, also a nickel based alloy with high corrosion resistance, extending underneath the seating region (4) and lining the seat region completely.
IPC 8 full level
F01L 3/02 (2006.01)
CPC (source: EP)
C22C 19/00 (2013.01); F01L 3/02 (2013.01); F01L 3/04 (2013.01)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR
DOCDB simple family (publication)
DE 102008018875 A1 20091015; AT E532945 T1 20111115; DK 2276913 T3 20111219; EP 2276913 A1 20110126; EP 2276913 B1 20111109; WO 2009127348 A1 20091022
DOCDB simple family (application)
DE 102008018875 A 20080414; AT 09732571 T 20090408; DK 09732571 T 20090408; EP 09732571 A 20090408; EP 2009002580 W 20090408