| Patent Number |
Title Of Patent |
Date Issued |
| 4275688 |
Cooling system for internal combustion engine |
June 30, 1981 |
| The cooling system of an engine consists of a cooling fan for cooling an engine coolant and a drive pulley which is, in turn, drivably rotated by the crank shaft of the engine. The mechanical connection between the drive pulley and the cooling fan is released during engine acceleration u |
| 4245595 |
Internal combustion engine for motor vehicles |
January 20, 1981 |
| A low noise internal combustion engine comprises a crankshaft rotatably carried by a group of bosses attached to a lower end surface of a cylinder block. The group of bosses are bridged by a frame sections to increase rigidity of the bosses against bending stress applied thereto with res |
| 4230087 |
Low-noise-level internal combustion engine |
October 28, 1980 |
| A reciprocating piston internal combustion engine comprises an integrally formed or cast engine block having an upper half of main bearings for receiving the journal of a crankshaft, a bearing support frame secured to the bottom portion of the engine block and having a lower half of the |
| 4222353 |
Cooling system for internal combustion engine |
September 16, 1980 |
| The cooling system of an engine consists of a cooling fan for cooling an engine coolant and a drive pulley which is, in turn, drivably rotated by the crank shaft of the engine. The mechanical connection between the drive pulley and the cooling fan is released during engine acceleration u |
| 4213440 |
Low-noise-level reciprocating piston engine |
July 22, 1980 |
| A reciprocating piston internal combustion engine comprises an engine block formed with first bearing carrying portions which carry a group of upper generally semicylindrical parts of main bearings for supporting a crankshaft, and a bearing support block secured to the engine block and |
