| 摘要 |
852,829. Jet-deflection apparatus on aircraft. ROLLS-ROYCE Ltd. April 2, 1958 [April 3, 1957], No. 10962/57. Class 4. [Also in Group XXVI] In a by-pass gas turbine jet propulsion engine in which the by-pass air is mixed with the turbine exhaust gases prior to exit through the propulsion nozzle by means of apertured ducts which extend into the exhaust gas passage, (see Group XXVI), thrust reversing means in the jet pipe 31 comprise valve members 36 which swing between the position indicated in full lines, in which the gases flow rearwardly, and the chain-dotted position in which the flow is directed through forwardly directed porting 35. |
