GB673197A - Improvements in or relating to thermodynamic blast devices - Google Patents
Improvements in or relating to thermodynamic blast devicesInfo
- Publication number
- GB673197A GB673197A GB2248/50A GB224850A GB673197A GB 673197 A GB673197 A GB 673197A GB 2248/50 A GB2248/50 A GB 2248/50A GB 224850 A GB224850 A GB 224850A GB 673197 A GB673197 A GB 673197A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tubes
- tube
- flow
- propulsion
- charge
- 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
- 238000002485 combustion reaction Methods 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 238000007599 discharging Methods 0.000 abstract 1
- 239000000446 fuel Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 230000002459 sustained effect Effects 0.000 abstract 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K7/00—Plants in which the working fluid is used in a jet only, i.e. the plants not having a turbine or other engine driving a compressor or a ducted fan; Control thereof
- F02K7/02—Plants in which the working fluid is used in a jet only, i.e. the plants not having a turbine or other engine driving a compressor or a ducted fan; Control thereof the jet being intermittent, i.e. pulse-jet
- F02K7/06—Plants in which the working fluid is used in a jet only, i.e. the plants not having a turbine or other engine driving a compressor or a ducted fan; Control thereof the jet being intermittent, i.e. pulse-jet with combustion chambers having valves
- F02K7/067—Plants in which the working fluid is used in a jet only, i.e. the plants not having a turbine or other engine driving a compressor or a ducted fan; Control thereof the jet being intermittent, i.e. pulse-jet with combustion chambers having valves having aerodynamic valves
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
673,197. Jet propulsion plant. LINDEROTH, E. T. Jan. 27, 1950 [Jan. 29, 1949], No. 2248/50. Class 110(iii) [Also in Groups XII, XIII and XXIX] A jet-propulsion unit comprises five Venturi tubes 1d discharging into a common series of ejector tubes 30a leading to a propulsion nozzle, and pipes 33 interconnecting adjacent tubes 1d. The tubes 1d are formed at or near their throats with an annular sharp edge facing downstream so that they serve as aerodynamic non-return valves (see Group XXIX), permitting free flow in the normal direction but offering considerable resistance to flow in the opposite direction. Fuel is injected in to the tubes 1d at 32, whilst air is obtained from an inlet 37. The unit is started by charging all the tubes 1d with a fuel-air mixture and then igniting the charge in one tube. The combustion passes to an adjacent tube by way of one of the tubes 33, and thus in turn the charge in each tube 1d is ignited. When the first tube is again reached it will have drawn in a fresh charge, and so the cycle of operations is sustained. Each tube 33 has a flared inlet 34 at one end and a nozzle. 35 at the other end to facilitate flow in one direction only. Cooling air is drawn through jackets 8b surrounding the tubes 1d by the action of the ejectors 30a. Any reverse flow that may take place through the tubes 1d is passed to the propulsion nozzle by passages 30b.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE673197X | 1949-01-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB673197A true GB673197A (en) | 1952-06-04 |
Family
ID=20314686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2248/50A Expired GB673197A (en) | 1949-01-29 | 1950-01-27 | Improvements in or relating to thermodynamic blast devices |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB673197A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1033967B (en) * | 1955-07-15 | 1958-07-10 | Bmw Triebwerkbau Ges M B H | Pulso combustion chamber |
| US3005310A (en) * | 1956-05-01 | 1961-10-24 | Bernard Olcott And Associates | Pulse jet engine |
| GB2438868A (en) * | 2006-06-09 | 2007-12-12 | Henry Edwin Pratt | Air intake for deflecting flow back into a pulse combustor |
| RU2802117C1 (en) * | 2022-08-12 | 2023-08-22 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Национальный исследовательский Московский государственный строительный университет" (НИУ МГСУ) | Device for reducing hydrostatic pressure in circulation pipeline |
-
1950
- 1950-01-27 GB GB2248/50A patent/GB673197A/en not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1033967B (en) * | 1955-07-15 | 1958-07-10 | Bmw Triebwerkbau Ges M B H | Pulso combustion chamber |
| US3005310A (en) * | 1956-05-01 | 1961-10-24 | Bernard Olcott And Associates | Pulse jet engine |
| GB2438868A (en) * | 2006-06-09 | 2007-12-12 | Henry Edwin Pratt | Air intake for deflecting flow back into a pulse combustor |
| RU2802117C1 (en) * | 2022-08-12 | 2023-08-22 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Национальный исследовательский Московский государственный строительный университет" (НИУ МГСУ) | Device for reducing hydrostatic pressure in circulation pipeline |
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