| 摘要 |
Arrangement for distribution of cooling liquid in the cooling liquid jacket in an internal combustion engine(2) with cylinders(8) disposed in line in the engine's cylinder block(4) or in a bank of cylinders of the engine. The liquid jacket includes a liquid inlet chamber(10) at one end(12) of the row of cylinders and a liquid outlet chamber(14) at the same end (12) or at the opposite end(16) of the row of cylinders and, in the cylinder block or bank of cylinders with associated cylinder head(4), mutually interconnected cooling liquid spaces (18,20,22) and ducts(24,26) which communicate with those chambers. In the lower portion of the cooling jacket a liquid distribution pipe(44) running along the row of cylinders is inserted at one side of the row of cylinders and has at one end a liquid inlet(46) which communicates with the liquid inlet chamber(10). In the wall of the distribution pipe(44) there are liquid outlet holes(50,52-62) which are distributed along the distribution pipe and are so placed and directed in the distribution pipe wall as to direct cooling water flows(S) towards the cylinder tops and/or the spaces between them. These liquid outlet holes(50,52-62) in the wall of the distribution pipe(44) have successively increasing diameters as from the end of the row of cylinders where the liquid outlet chamber is situated. The outlet holes are preferably directed obliquely upwards towards the roof of the cooling jacket. <IMAGE> |
