专利汇可以提供TRANSFORMER CONSTRUCTION专利检索,专利查询,专利分析的服务。并且Operating transformers generate heat which has a deleterious effect. The present invention dissipates the heat by circulating cooling fluid through a tubular winding of the transformer. The transformer comprises a core (12), a primary winding (14) and a secondary winding (16). One of the windings, preferably the winding with the least coils, is formed from a tubular member (52); in the preferred embodiment of a step-down transformer, the secondary winding is formed from the tubular member. A connector block (60) at each end of the secondary winding includes an appropriate fluid passage and means for connecting a fluid coupling to the block so that the inlet and outlet of the fluid circulation system can be secured to the tubular member forming the secondary winding. The connector blocks also include threaded apertures (80) adapted to receive a bolt for providing an electrical connection to an electrical apparatus such as a welding gun. The loops of the primary coil are interdigitally arranged with the loops of the secondary coil so that the fluid in the secondary coil absorbs heat from both the primary and secondary windings. Preferably, the core is made of laminated sections (34, 36), each laminated section comprising a substantially E-shaped portion; the legs of each E-shaped portion abutting against the legs of the other E-shaped portion in each laminate layer. The primary and secondary coils are wrapped around the center leg of the core.,下面是TRANSFORMER CONSTRUCTION专利的具体信息内容。
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