Internal-combustion engines – Frame construction – Horizontal cylinder
Patent
1995-05-22
1996-06-18
Kamen, Noah P.
Internal-combustion engines
Frame construction
Horizontal cylinder
184106, F02F 700
Patent
active
055267815
ABSTRACT:
An oil pan for an internal combustion engine is made of cast aluminum alloy and has a first flange for attachment to the cylinder block and a second annular flange for attachment to the transmission case. Access holes near a bottom end of the second annular flange allow access to the heads of mounting bolts extending through the first flange. The first flange can be securely clamped to the opposing mounting of the cylinder block because all of the mounting bolts can directly clamp the first flange onto the mounting surface. Annular ribs surround the access holes and are connected together by a connecting rib so as to ensure a sufficient rigidity of the second flange. As a result, the sealing performance can be readily ensured and a vibration free power structure can be achieved.
Sugiyama Izumi
Tsuji Yoshihito
Honda Giken Kogyo Kabushiki Kaisha
Kamen Noah P.
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