| 摘要 |
PURPOSE:To improve the efficiency of the oil cooler by a method wherein an outer tube is provided at the outside of the feeding tube of cooling water to make them a double structure, an oil path is formed between the feeding tube and the outer tube and, further, cooling fins are provided on the outer periphery of the outer tube. CONSTITUTION:Lower tanks 22, 23 are connected by the main body 35 of the oil cooler having the structure of double tube provided with the feeding tube 33, communicating each lower tanks, at the inside thereof and the outer tube 34, having a larger diameter than the feeding tube 33 and arranged coaxially with the feeding tube at the outside thereof. A tubular oil introducing port 36 is provided at the rear part of one side of the outer peripheral surface of the vicinity of both ends of the outer tube 34 and a tubular oil outlet port 37 is provided at the other part thereof while a multitube of cooling fins 38 are provided in parallel on the outer periphery of the outer tube 34. |
