GB1113303A - Improvements in or relating to pulse jets - Google Patents

Improvements in or relating to pulse jets

Info

Publication number
GB1113303A
GB1113303A GB871266A GB871266A GB1113303A GB 1113303 A GB1113303 A GB 1113303A GB 871266 A GB871266 A GB 871266A GB 871266 A GB871266 A GB 871266A GB 1113303 A GB1113303 A GB 1113303A
Authority
GB
United Kingdom
Prior art keywords
pulse jet
time
nozzle
unit
varies
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
Application number
GB871266A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HANS MAERSK MOLLER
Original Assignee
HANS MAERSK MOLLER
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by HANS MAERSK MOLLER filed Critical HANS MAERSK MOLLER
Priority to GB871266A priority Critical patent/GB1113303A/en
Publication of GB1113303A publication Critical patent/GB1113303A/en
Expired legal-status Critical Current

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
    • F02K7/06—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Feeding And Controlling Fuel (AREA)
  • Fluidized-Bed Combustion And Resonant Combustion (AREA)

Abstract

1,113,303. Pulse jet propulsion plant. H. MAERSK-MÏLLER. Feb. 28, 1966, No. 8712/66. Headings F1J and F1L. A pulse jet having a combustion chamber 10 and a propulsion nozzle 11 has a fuel injection device provided with an automatic control unit 16 which continuously varies the time interval between successive combustion pulses so as to reduce the noise emitted by the pulse jet. The unit 16 varies the rate of fuel flow through the burner 15 and/or the time in each cycle at which fuel injection is started, and may additionally vary the time at which the sparking plug 19 is fired. A modified pulse jet, Fig. 2 (not shown), has, in addition to the unit 16 controlling the rate of fuel flow or time of injection, a control unit (13) which continuously varies the axial position of a sleeve surrounding the nozzle 11 so as to vary the length of the nozzle and thus further control the interval between successive pulses. The two control units (13,16) may be inter-connected and may comprise cams, variable gears, electronic devices, or electro-mechanical devices such as uniselectors.
GB871266A 1966-02-28 1966-02-28 Improvements in or relating to pulse jets Expired GB1113303A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB871266A GB1113303A (en) 1966-02-28 1966-02-28 Improvements in or relating to pulse jets

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB871266A GB1113303A (en) 1966-02-28 1966-02-28 Improvements in or relating to pulse jets

Publications (1)

Publication Number Publication Date
GB1113303A true GB1113303A (en) 1968-05-15

Family

ID=9857795

Family Applications (1)

Application Number Title Priority Date Filing Date
GB871266A Expired GB1113303A (en) 1966-02-28 1966-02-28 Improvements in or relating to pulse jets

Country Status (1)

Country Link
GB (1) GB1113303A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2435906A (en) * 2005-07-27 2007-09-12 Boeing Co Linear acoustic pulse-jet
GB2428744B (en) * 2005-07-27 2009-01-21 Boeing Co Acoustic pulsejet helmet
CN109973222A (en) * 2019-03-06 2019-07-05 西北工业大学 A kind of pulse-jet motor of effective noise reduction

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2435906A (en) * 2005-07-27 2007-09-12 Boeing Co Linear acoustic pulse-jet
US7427048B2 (en) 2005-07-27 2008-09-23 The Boeing Company Linear acoustic pulsejet
GB2428744B (en) * 2005-07-27 2009-01-21 Boeing Co Acoustic pulsejet helmet
US7581383B2 (en) 2005-07-27 2009-09-01 The Boeing Company Acoustic pulsejet helmet
GB2435906B (en) * 2005-07-27 2009-12-30 Boeing Co Linear acoustic pulsejet
CN109973222A (en) * 2019-03-06 2019-07-05 西北工业大学 A kind of pulse-jet motor of effective noise reduction

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