GB837497A - Air intakes in aircraft engines - Google Patents
Air intakes in aircraft enginesInfo
- Publication number
- GB837497A GB837497A GB2120957A GB2120957A GB837497A GB 837497 A GB837497 A GB 837497A GB 2120957 A GB2120957 A GB 2120957A GB 2120957 A GB2120957 A GB 2120957A GB 837497 A GB837497 A GB 837497A
- Authority
- GB
- United Kingdom
- Prior art keywords
- flaps
- hydraulic
- air
- intake
- series
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/04—Air intakes for gas-turbine plants or jet-propulsion plants
- F02C7/042—Air intakes for gas-turbine plants or jet-propulsion plants having variable geometry
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K9/00—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof
- F02K9/74—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof combined with another jet-propulsion plant
- F02K9/78—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof combined with another jet-propulsion plant with an air-breathing jet-propulsion plant
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Control Of Turbines (AREA)
Abstract
837,497. Jet-propulsion plant. NAPIER & SON Ltd., D. May 28, 1958 [July 3, 1957], No. 21209/57. Class 110 (3). [Also in Groups XXIX and XXXIII] An annular air intake 13, Fig. 1A, for an aircraft engine has has two series of circumferentially spaced flaps arranged in its outer wall to open outwards, the upstream series of flaps 41 being pivoted at their downstream ends and the downstream series 44 at their upstream ends. Hydrogen peroxide is catalytically decomposed in chambers 31, Fig. 1B, to form oxygen-rich steam, and passed to rocket combustion chambers 32 in which paraffin is burnt with some of the oxygen. The combustion gases, still oxygen-rich, drive a turbine 30 and enter an annular combustion chamber 17 together with air taken in through the intake 13 and through the flaps 41. When the flight speed, sensed by pitot orifices 156, 158, Fig. 2, reaches Mach 0.95, an hydraulic servomotor 43 (see Group XXIX), closes the flaps 41. At the same time, the supply of hydrogen peroxide and paraffin to the rocket system is cut off either automatically by means of a Mach meter 34 or manually, and flap valves 36 are opened by means of hydraulic servomotors 38 to allow the air from the intake 13 to pass through a by-pass 35 surrounding the air compressor 15. The engine then operates as a ram jet, and the compressor 15 windmills, a free-wheel 28 allowing it to overrun the stationary turbine 30. Stator blades 39 are adjusted by the servomotors 38 to reduce losses in the compressor during windmilling. During ram-jet operation, the position of a shock wave 182 sensed by means of orifices 150, 152, is stabilized by the flaps 44 which are opened to a varying extent by means of an hydraulic servomotor 47 (see Group XXIX). A bullet 20 is movable by an hydraulic ram 21 controlled by a follow-up servo valve 23.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2120957A GB837497A (en) | 1957-07-03 | 1957-07-03 | Air intakes in aircraft engines |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2120957A GB837497A (en) | 1957-07-03 | 1957-07-03 | Air intakes in aircraft engines |
Publications (1)
Publication Number | Publication Date |
---|---|
GB837497A true GB837497A (en) | 1960-06-15 |
Family
ID=10159019
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2120957A Expired GB837497A (en) | 1957-07-03 | 1957-07-03 | Air intakes in aircraft engines |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB837497A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2168143A (en) * | 1984-12-08 | 1986-06-11 | Messerschmitt Boelkow Blohm | A regulable diffuser for an air intake on an aircraft |
GB2273318A (en) * | 1992-12-09 | 1994-06-15 | Snecma | Aircraft engine auxiliary equipment arrangement |
US8474240B1 (en) | 2012-08-10 | 2013-07-02 | NW Licensing Company LLC | Regenerative gas generator |
CN101113882B (en) * | 2006-07-27 | 2013-11-06 | 任小卫 | Bomb body structure capable of reducing shock wave drag of bomb body and method thereof |
-
1957
- 1957-07-03 GB GB2120957A patent/GB837497A/en not_active Expired
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2168143A (en) * | 1984-12-08 | 1986-06-11 | Messerschmitt Boelkow Blohm | A regulable diffuser for an air intake on an aircraft |
GB2168143B (en) * | 1984-12-08 | 1989-06-14 | Messerschmitt Boelkow Blohm | A regulable diffuser for an air intake on an aircraft |
GB2273318A (en) * | 1992-12-09 | 1994-06-15 | Snecma | Aircraft engine auxiliary equipment arrangement |
GB2273318B (en) * | 1992-12-09 | 1995-06-21 | Snecma | Aircraft engine arrangement |
CN101113882B (en) * | 2006-07-27 | 2013-11-06 | 任小卫 | Bomb body structure capable of reducing shock wave drag of bomb body and method thereof |
US8474240B1 (en) | 2012-08-10 | 2013-07-02 | NW Licensing Company LLC | Regenerative gas generator |
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