Generator stator core vent duct spacer posts

Patent · Tue Jun 24 00:00:00 EDT 2003

OSTI ID:958094

Griffith, John Wesley ^[1]; Tong, Wei ^[2]

---

1. Schenectady, NY
2. Clifton Park, NY

Generator stator cores are constructed by stacking many layers of magnetic laminations. Ventilation ducts may be inserted between these layers by inserting spacers into the core stack. The ventilation ducts allow for the passage of cooling gas through the core during operation. The spacers or spacer posts are positioned between groups of the magnetic laminations to define the ventilation ducts. The spacer posts are secured with longitudinal axes thereof substantially parallel to the core axis. With this structure, core tightness can be assured while maximizing ventilation duct cross section for gas flow and minimizing magnetic loss in the spacers.

• Research Organization: General Electric Co., Schenectady, NY (United States)
• Sponsoring Organization: USDOE
• DOE Contract Number: FC21-95MC31176
• Assignee: General Electric Company (Schenectady, NY)
• Patent Number(s): 6,583,526
• Application Number: 09/421,160
• OSTI ID: 958094
• Country of Publication: United States
• Language: English