Power plants – Combustion products used as motive fluid – Combustion products generator
Patent
1989-12-22
1992-03-10
Bertsch, Richard A.
Power plants
Combustion products used as motive fluid
Combustion products generator
60755, 431351, 431353, 431 9, F02C 300
Patent
active
050940821
ABSTRACT:
In order to provide an expansive central recirculating gas zone (40) in a combustor (10), and in a manner wherein the combustion chamber (20) is of compact volume, a stored energy combustor (10) comprises a vessel (12) having narrow, spaced-apart inlet and outlet ends (14, 16) interconnected by a wall (18) defining a relatively wise combustion chamber (20). The combustion chamber (20) is generally annular and a wall (18) defining the combustion chamber (20) includes an upstream wall region (18a) and a downstream wall region (18c) interconnected by a generally annular side wall region (18b). The inlet end (14) and outlet end (16) are generally tubular extensions of the vessel (12) leading to and from the combustion chamber (20) and oxidant is swirled in the tubular extension (14) leading to the combustion chamber (20) and directed in a swirling annulus into the combustion chamber (20) outwardly of a fuel injector (28). The combustion chamber (20) is formed such that at least the upstream wall region (18a) has an inner surface of gentle radius joining the generally annular side wall region (18b) to the tubular extension (14) of the vessel (12) leading to the combustion chamber (20). With this arrangement, the swirling oxidant annulus expands radially outwardly in a generally conical fashion within the combustion chamber (20) upon exiting the tubular extension (14) while sticking to at least the upstream wall region (18a) of the wall (18) defining the combustion chamber (20).
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Rodgers Colin
Shah Nipulkumar
Shekleton Jack R.
Thompson Robert G.
Bertsch Richard A.
Sundstrand Corporation
Thorpe Timothy S.
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