Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1994-01-25
1996-05-28
Cummings, Scott W.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277174, 277189, 415134, 415136, F16J 1508
Patent
active
055203981
ABSTRACT:
In a turbine inclusive of:a turbine shaft having a longitudinal axis, a steam pipe, a shell circumadjacent the pipe, the pipe and shell being shiftable in vertical and transverse and axial directions relative to the longitudinal axis of the shaft, and a seal assembly disposed between the pipe and shell and comprising a stack of interdigitated relatively large and small piston rings, the improvement comprising: placement of the stack of large and small rings into a circular container which is inserted into the shell with adequate clearance to permit thermal expansion, the container being provided with a flexible seal to the shell and having thermal inertia similar to that of the rings and the pipe.
REFERENCES:
patent: 796179 (1905-08-01), Beldam
patent: 1033237 (1912-07-01), De Ferranti
patent: 1915677 (1933-06-01), La Bour
patent: 2223519 (1940-12-01), Hornschuch
patent: 2678606 (1954-05-01), Watson
patent: 2863632 (1958-12-01), Miller
patent: 3082011 (1963-03-01), Kroekel
patent: 3588126 (1971-06-01), McKillop
patent: 5037115 (1991-08-01), Brandon
patent: 5433453 (1995-07-01), Dalton
LandOfFree
Piston ring assemblies for high temperature seals does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Piston ring assemblies for high temperature seals, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Piston ring assemblies for high temperature seals will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-781602