Title:
軽量中空の弁装置
Document Type and Number:
Japanese Patent JP4287531
Kind Code:
B2
Abstract:
An light weight hollow valve assembly for use in an engine. The intake and exhaust valve seats are of a different metallurgical composition for reducing adhesive and abrasive wear between the valve seat and the insert. The assembly 10 includes a valve 12 including a valve seat face 16. An insert 18 is mounted within the engine for cooperating in sealing engagement with the valve seat face 16. The insert 18 and the valve seat face 16 are each provided with a layer 20, 22 consisting essentially of a nitride for reducing adhesive and abrasive wear between the valve seat face 16 and the insert 18.
Inventors:
Yusha Wang
Simon Narashihan
Leslie Ekland
James Martin Larsan
Simon Narashihan
Leslie Ekland
James Martin Larsan
Application Number:
JP4151699A
Publication Date:
July 01, 2009
Filing Date:
February 19, 1999
Export Citation:
Assignee:
EATON CORPORATION
International Classes:
C22C38/00; C22C38/04; C22C38/40; F01L3/02; F01L3/04; F01L3/22
Attorney, Agent or Firm:
Akio Miyazaki
Nobuyuki Kaneda
Ishibashi Masayuki
Katsuhiro Ito
Nobuyuki Kaneda
Ishibashi Masayuki
Katsuhiro Ito
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