| 摘要 |
1381858 Vehicle rectifiers JOSEPH LUCAS (INDUSTRIES) Ltd 23 March 1972 [13 May 1971] 14856/71 Heading H1K The three-phase bridge rectifier shown is provided with an insuating hydrophobic coating 42 (a silicone resin) on the insulator 35 most exposed to the potential accumulation of slush from salted icy roads. Tracking and insulation failure are thereby prevented. The treatment may be given to a similarly constructed single phase bridge rectifier. |
