| 摘要 |
1532369 Heat sink SIEMENS AG 23 Sept 1977 [24 Sept 1976] 39837/77 Heading F4U [Also in Division H1] In a heat sink for electrical components, cooling fluid flows through a duct 1 in a block 4, and the duct takes the form of two coupled substantially helical coaxial portions with their windings alternating in an axial direction. The material of block 4 may be metal or heatconductive plastics. |
