Internal-combustion engines – Frame construction – Horizontal cylinder
Patent
1982-09-29
1985-06-04
Feinberg, Craig R.
Internal-combustion engines
Frame construction
Horizontal cylinder
123198E, 384429, 384432, F02F 700
Patent
active
045207704
ABSTRACT:
An automotive internal combustion engine comprises a cylinder block having a plurality of bearing sections, and a bearing beam structure secured to the bottom part of the cylinder block. The bearing beam structure includes a plurality of main bearing cap sections each of which associates with a respective cylinder block bearing section to rotatably support the journal of a crankshaft. First and second beam sections are formed at the upper corner portions of each bearing cap section to securely connect the bearing cap sections with each other. Additionally, first and second side wall sections are respectively formed along the opposite side portions of each bearing cap section to securely connect the bearing cap sections with each other. The first and second side wall sections are integral with the first and second beam sections, respectively. Therefore, vibration of the bearing beam structure and the cylinder block can be effectively suppressed, thereby achieving total engine noise reduction.
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Schellmann et al., "Der Porsche-V8-Motor Typ 928", MTZ Motor-Technische Zeitschrift, 38, (1977), 7/8.
Feinberg Craig R.
Nissan Motor Co,. Ltd.
Okonsky David A.
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