Internal-combustion engines – Poppet valve operating mechanism – Lubrication
Reexamination Certificate
2007-08-14
2007-08-14
Denion, Thomas (Department: 3748)
Internal-combustion engines
Poppet valve operating mechanism
Lubrication
C123S090150, C123S090170
Reexamination Certificate
active
11191064
ABSTRACT:
A resin cylinder head cover for an internal combustion engine includes a resin cover main body and a resin oil passage that is integrated with the cover main body. As a result, the problems of increase in the number of components and deterioration of the oil sealing performance in a resin cylinder head cover are solved.
REFERENCES:
patent: 6035817 (2000-03-01), Uchida
patent: 2003/0145814 (2003-08-01), Inoue
patent: A-55-161941 (1980-12-01), None
patent: B2 3525709 (1999-05-01), None
patent: A 2003-232260 (2003-08-01), None
patent: WO 2004/035245 (2004-04-01), None
Kato Hidemi
Osaki Akihiro
Yoshijima Kazuya
Denion Thomas
Eshete Zelalem
Toyota Jidosha & Kabushiki Kaisha
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