Power plants – Reaction motor – Interrelated reaction motors
Reexamination Certificate
2011-04-12
2011-04-12
Cuff, Michael (Department: 3741)
Power plants
Reaction motor
Interrelated reaction motors
Reexamination Certificate
active
07921636
ABSTRACT:
A tip turbine engine has a more efficient core airflow path from the hollow fan blades, through the combustor and to the combustion chamber of a combustor. The turbine engine includes a rotatable fan having a plurality of radially-extending fan blades each defining compressor chambers extending radially therein. A turbine is mounted to the outer periphery of the fan. A diffuser at a radially outer end of each compressor chamber turns core airflow through the compressor chamber toward the combustor. The high velocity, high pressure core airflow from the compressor chambers in the hollow fan blades is diffused before the compressed core airflow enters the combustor, thereby improving the efficiency of the tip turbine engine. Further, the overall diameter of the tip turbine engine is reduced by the arrangement of the diffuser case in a position not directly radially outward of the fan blades.
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Merry Brian
Nordeen Craig A.
Norris James W.
Suciu Gabriel
Carlson Gaskey & Olds P.C.
Cuff Michael
Nguyen Andrew
United Technologies Corporation
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