Fluid handling – Systems – With running joint between movable parts of system
Reexamination Certificate
2005-06-07
2005-06-07
Chambers, A. Michael (Department: 3753)
Fluid handling
Systems
With running joint between movable parts of system
C137S312000, C137S341000, C137S565330, C138S114000, C244S172200, C060S039350
Reexamination Certificate
active
06901955
ABSTRACT:
The cryogenic rotary coupling comprises segments of a cryogenic line that are capable of turning relative to each other about a pivot axis of the rotary coupling. Radial retaining elements and axial retaining elements define the pivot axis of the rotary coupling. One of the segments comprises a vacuum-insulated double-walled female portion and the other segment comprises a vacuum-insulated double-walled male portion engaged at least in part in the female portion. A first sealing gasket is interposed between a free end of the male portion engaged in the female portion and one of the retaining means. A second sealing gasket is interposed between a free end of the female portion surrounding the male portion and the other one of the retaining elements. A heater device is disposed in the vicinity of the second gasket.
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patent: 6135138 (2000-10-01), Richards, Jr.
patent: 6314978 (2001-11-01), Lanning et al.
patent: 0 709 616 (1996-05-01), None
Chambers A. Michael
SNECMA Moteurs
Weingarten Schurgin, Gagnebin & Lebovici LLP
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