Power plants – Combustion products used as motive fluid – With safety device
Patent
1992-10-16
1993-12-21
Bertsch, Richard A.
Power plants
Combustion products used as motive fluid
With safety device
60 3932, 60 3936, F02G 300
Patent
active
052712206
ABSTRACT:
This invention relates to a combustor heat shield assembly for a containment ring for use in a radial inflow turbine engine having a compressed air supply and a combustor. The combustor heat shield assembly includes a turbine nozzle assembly which is adapted for receiving a mixture of compressed air and combustion by-products delivered by the combustor to drive a turbine impeller of the radial inflow turbine engine about an axis of rotation. The turbine nozzle assembly is integrally connected with and in close radial proximity to the containment ring. A heat shield, provided with slots, is coupled to the turbine nozzle assembly and thermally adapted for providing a circumferentially uniform seal between the turbine nozzle assembly and the heat shield during operation of the radial inflow turbine engine. The heat shield is simultaneously adapted for receiving a portion of the compressed air supply through the slots to create a film of cooling air along an inner surface of the heat shield which is in close radial proximity to the containment ring. The film of cooling air along the inner surface of the heat shield maintains acceptable operating temperatures for the heat shield separating the containment ring from the mixture of compressed air and combustion by-products. The heat shield further directs the film of cooling air to combine with the mixture of compressed air and combustion by-products for delivery by the combustor to the turbine nozzle assembly to drive the turbine impeller of the radial inflow turbine engine about the axis of rotation.
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patent: 5129224 (1992-07-01), Shekleton
Batakis Anthony P.
Holmes Arnold
Bertsch Richard A.
Richman Howard R.
Sundstrand Corporation
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