F - Mech Eng,Light,Heat,Weapons – 16 – J
Patent
F - Mech Eng,Light,Heat,Weapons
16
J
F16J 15/40 (2006.01) F01D 25/18 (2006.01) F01M 5/00 (2006.01) F16N 39/02 (2006.01) G05D 23/19 (2006.01) H02K 9/19 (2006.01) H02K 9/24 (2006.01)
Patent
CA 2091132
57,018 ABSTRACT OF THE DISCLOSURE A system for providing seal oils to a gland seal that surrounds the shaft of a generator with the tempera- ture differences between the oils minimized, as well maintained at a temperature which is greater than that for a bearing lubrication oil supply system. The temperature of the air-side seal oil is used as a reference and then the difference between the air- and hydrogen-side seal oil temperatures is used to control the hydrogen-side seal oil temperature. The air-side temperature is controlled by a separate controller using the bearing oil temperature as a reference. The system advantageously prevents thermal differential expansion from occurring in the generator shaft and gland seal, and eliminates the need for operator attention for seal oil temperature control.
Rasinski Michael J.
Snuttjer Owen R.
Bereskin & Parr
Rasinski Michael J.
Snuttjer Owen R.
Westinghouse Electric Corporation
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