GB728724A - Improvements in or relating to resonant pulse jet combustion devices - Google Patents
Improvements in or relating to resonant pulse jet combustion devicesInfo
- Publication number
- GB728724A GB728724A GB18378/53A GB1837853A GB728724A GB 728724 A GB728724 A GB 728724A GB 18378/53 A GB18378/53 A GB 18378/53A GB 1837853 A GB1837853 A GB 1837853A GB 728724 A GB728724 A GB 728724A
- Authority
- GB
- United Kingdom
- Prior art keywords
- exhaust pipe
- chamber
- surge
- length
- combustion
- 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
- 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
- F02K7/04—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 resonant combustion chambers
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
Abstract
728,724. Generating combustion products under pressure. HEIZMOTOREN GES. July 2, 1953 [July 5, 1952], No. 18378/53. Class 51 (1). In an oscillating column type of combustion equipment having a combustion chamber 1 and an exhaust pipe 3, a surge chamber 2 is connected at the outlet end of the exhaust pipe, the crosssectional area of the exhaust pipe being given by the formula: where VK = volume of combustion chamber. VS = volume of surge chamber. L . = length of exhaust pipe. The ratio VS/VK is greater than 3. The combustion chamber 1 has a mixing duct 4 supplied with air through a check valve 5 and fuel from a carburetter 7, the initial ignition being caused by a glow plug 13. In another embodiment, a second surge chamber is connected in series with the first, the length of the pipe interconnecting the two surge chambers being equal to a quarter of the wave length of the natural frequency of the resonator. The exhaust pipe from the second surge chamber has a length equal to half the wave length of the natural frequency of the resonator and having openings at its midpoint, a chamber surrounding the exhaust tube around these openings. In a further embodiment, the combustion chamber and exhaust pipe are enclosed in a jacket through which cooling air flows, the jacket extending beyond the outlet end of the exhaust pipe to form the surge chamber, the cooling air being drawn through the jacket by an injector effect.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE728724X | 1952-07-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB728724A true GB728724A (en) | 1955-04-27 |
Family
ID=6635787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB18378/53A Expired GB728724A (en) | 1952-07-05 | 1953-07-02 | Improvements in or relating to resonant pulse jet combustion devices |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB728724A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4260361A (en) * | 1978-10-10 | 1981-04-07 | Ludwig Huber | Resonant or pulsating combustion heating apparatus |
| CN1961142B (en) * | 2004-04-30 | 2010-06-23 | 威廉·安东尼·德纳 | Pulse jet engines |
-
1953
- 1953-07-02 GB GB18378/53A patent/GB728724A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4260361A (en) * | 1978-10-10 | 1981-04-07 | Ludwig Huber | Resonant or pulsating combustion heating apparatus |
| CN1961142B (en) * | 2004-04-30 | 2010-06-23 | 威廉·安东尼·德纳 | Pulse jet engines |
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