Electrically heated balance piston seal
Patent
·
OSTI ID:1637862
A balance piston seal assembly for a balance piston of a compressor is provided. The balance piston seal assembly may include a balance piston seal configured to be disposed about the balance piston such that an inner radial surface of the balance piston seal and an outer radial surface of the balance piston define a radial clearance therebetween. The balance piston seal assembly may also include a plurality of heaters in thermal communication with the balance piston seal and configured to heat and thermally expand the balance piston seal and thereby increase a radial length of the radial clearance.
- Research Organization:
- Dresser-Rand Co., Olean, NY (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- FE0000493
- Assignee:
- Dresser-Rand Company (Olean, NY)
- Patent Number(s):
- 10,584,709
- Application Number:
- 15/072,723
- OSTI ID:
- 1637862
- Country of Publication:
- United States
- Language:
- English
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