A system for providing seal oils to a gland seal that surrounds the shaft of a generator with the temperature differences between the oils minimized. The temperature of one of the seal oils is utilized as a reference for controlling the oil temperature of the other seal oil. In particular, the temperature...http://www.google.com/patents/US5147015?utm_source=gb-gplus-sharePatent US5147015 - Seal oil temperature control method and apparatus
