Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Casing with axial – conical flow runner
Patent
1976-11-01
1978-02-28
Croyle, Carlton R.
Rotary kinetic fluid motors or pumps
Working fluid passage or distributing means associated with...
Casing with axial, conical flow runner
60 3931, F01B 2524, F02C 720
Patent
active
040764524
ABSTRACT:
A stationary gas turbine plant in which a bearing for the bladed rotor is located at the exhaust end of the casing where the flow passage for the exhaust gas merges into an annular diffusor ring surrounding the bearing housing and which is established by radially spaced circular walls interconnected by means of an array of circumferentially spaced radially extending aero-foil shaped ribs. Two of these ribs extending divergently in a generally downward direction toward the foundation for the turbine are made hollow for the purpose of passing support struts through them, the upper ends of these struts being secured to the bearing housing and the lower ends of the struts being secured to the foundation. Additional supports are provided at opposite sides of the casing at the exhaust end, these supports also being secured to the foundation. The two downwardly directed hollow ribs and the two additional supports for the casing incorporate ducts through which a fluid coolant is circulated, and the coolant which passes through the two hollow ribs enters the bearing casing. The coolant can be ambient air, or gland sealing air, or the bearing lubricant and it can also be the same fluid as is used for cooling the rotor.
REFERENCES:
patent: 2484952 (1949-10-01), Ledwith
patent: 2616662 (1952-11-01), Mienley
patent: 2759700 (1956-08-01), Wheatley
patent: 3751909 (1973-08-01), Kohler
patent: 3837164 (1974-09-01), Carr
Brown Boveri-Sulzer Turbomaschinen AG
Casaregola L. T.
Croyle Carlton R.
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