FR2276555A1 - Propellant charge element - for use in e.g. rockets with combustion-inhibiting coating to ensure uniformly increasing combustion gas pressure - Google Patents

Propellant charge element - for use in e.g. rockets with combustion-inhibiting coating to ensure uniformly increasing combustion gas pressure

Info

Publication number
FR2276555A1
FR2276555A1 FR7422397A FR7422397A FR2276555A1 FR 2276555 A1 FR2276555 A1 FR 2276555A1 FR 7422397 A FR7422397 A FR 7422397A FR 7422397 A FR7422397 A FR 7422397A FR 2276555 A1 FR2276555 A1 FR 2276555A1
Authority
FR
France
Prior art keywords
combustion
propellant charge
rockets
gas pressure
charge element
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.)
Granted
Application number
FR7422397A
Other languages
French (fr)
Other versions
FR2276555B1 (en
Inventor
Bernard Doin
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.)
Societe Nationale des Poudres et Explosifs
Original Assignee
Societe Nationale des Poudres et Explosifs
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 Societe Nationale des Poudres et Explosifs filed Critical Societe Nationale des Poudres et Explosifs
Priority to FR7422397A priority Critical patent/FR2276555A1/en
Publication of FR2276555A1 publication Critical patent/FR2276555A1/en
Application granted granted Critical
Publication of FR2276555B1 publication Critical patent/FR2276555B1/fr
Granted 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
    • F02K9/00—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof
    • F02K9/08—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof using solid propellants
    • F02K9/10—Shape or structure of solid propellant charges
    • F02K9/14—Shape or structure of solid propellant charges made from sheet-like materials, e.g. of carpet-roll type, of layered structure
    • C—CHEMISTRY; METALLURGY
    • C06—EXPLOSIVES; MATCHES
    • C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
    • C06B45/00—Compositions or products which are defined by structure or arrangement of component of product
    • C06B45/12—Compositions or products which are defined by structure or arrangement of component of product having contiguous layers or zones

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

In a propellant charge element >=1 face of which has grooves, the bottom of which are situated at a constant distance from the final combustion surface of the construction, while the side walls delimit projections the ends of the projections are covered, at least partly, with a combustion inhibitor. The presence of the inhibitor prevents the development of excessive pressure at the start of combustion, allowing the steady build-up of pressure desirable for accelerating a rocket.
FR7422397A 1974-06-27 1974-06-27 Propellant charge element - for use in e.g. rockets with combustion-inhibiting coating to ensure uniformly increasing combustion gas pressure Granted FR2276555A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7422397A FR2276555A1 (en) 1974-06-27 1974-06-27 Propellant charge element - for use in e.g. rockets with combustion-inhibiting coating to ensure uniformly increasing combustion gas pressure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7422397A FR2276555A1 (en) 1974-06-27 1974-06-27 Propellant charge element - for use in e.g. rockets with combustion-inhibiting coating to ensure uniformly increasing combustion gas pressure

Publications (2)

Publication Number Publication Date
FR2276555A1 true FR2276555A1 (en) 1976-01-23
FR2276555B1 FR2276555B1 (en) 1978-03-31

Family

ID=9140583

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7422397A Granted FR2276555A1 (en) 1974-06-27 1974-06-27 Propellant charge element - for use in e.g. rockets with combustion-inhibiting coating to ensure uniformly increasing combustion gas pressure

Country Status (1)

Country Link
FR (1) FR2276555A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2402856A2 (en) * 1977-09-13 1979-04-06 Poudres & Explosifs Ste Nale PYROTECHNIC LOADING PROVIDED WITH A PERIPHERAL FIXING COMPRISING BELLOWS OF ELASTICITY
EP0008265A1 (en) * 1978-08-16 1980-02-20 Societe Nationale Des Poudres Et Explosifs Process for producing propellant plates partially coated with a combustion inhibitor
FR2433730A1 (en) * 1978-08-16 1980-03-14 Poudres & Explosifs Ste Nale Pyrotechnic charge which burns at constant pressure - comprises a powder charge disc coated with a combustion inhibitor applied as a pattern of shaped motifs
FR2473629A1 (en) * 1979-12-03 1981-07-17 Nissan Motor Rocket engine with two combustion chambers - has fuel mounted around secondary chamber with annular air intakes

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2402856A2 (en) * 1977-09-13 1979-04-06 Poudres & Explosifs Ste Nale PYROTECHNIC LOADING PROVIDED WITH A PERIPHERAL FIXING COMPRISING BELLOWS OF ELASTICITY
EP0008265A1 (en) * 1978-08-16 1980-02-20 Societe Nationale Des Poudres Et Explosifs Process for producing propellant plates partially coated with a combustion inhibitor
FR2433730A1 (en) * 1978-08-16 1980-03-14 Poudres & Explosifs Ste Nale Pyrotechnic charge which burns at constant pressure - comprises a powder charge disc coated with a combustion inhibitor applied as a pattern of shaped motifs
FR2473629A1 (en) * 1979-12-03 1981-07-17 Nissan Motor Rocket engine with two combustion chambers - has fuel mounted around secondary chamber with annular air intakes

Also Published As

Publication number Publication date
FR2276555B1 (en) 1978-03-31

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Legal Events

Date Code Title Description
ST Notification of lapse