Internal-combustion engines – Frame construction – Horizontal cylinder
Patent
1982-01-29
1984-07-10
Feinberg, Craig R.
Internal-combustion engines
Frame construction
Horizontal cylinder
123195R, 123198E, 74606R, F16F 1500, F02F 100
Patent
active
044586400
ABSTRACT:
An internal combustion engine comprises a cylinder block rigidly connected to a transmission and having cylinder bores and bearing sections; and a bearing beam structure including main bearing cap sections each associating with each cylinder block bearing section to rotatably support a crankshaft, first and second beam sections securely connecting the main bearing cap sections with each other and extending parallelly with the crankshaft axis, the first and second beam sections being located spaced from each other and along the respective opposite side portions of each bearing cap section, and first and second connecting sections respectively integral with the first and second beam sections and being rigidly connected to the transmission, thereby preventing the bearing beam structure from its axial vibration while contributing to an improvement in rigidity of a power unit entire including the transmission.
REFERENCES:
patent: 3354988 (1967-11-01), Leonard
patent: 4199202 (1980-04-01), Maeda
patent: 4245595 (1981-01-01), Abe et al.
Schellmann, K. et al., "Der Porsche-V8-Motor Typ 928", DK 621.434.12-123, Aug. 31, 1983.
Feinberg Craig R.
Nissan Motor Company Limited
Okonsky David A.
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