F - Mech Eng,Light,Heat,Weapons – 42 – B
Patent
F - Mech Eng,Light,Heat,Weapons
42
B
F42B 39/14 (2006.01) F02K 9/34 (2006.01) F02K 9/38 (2006.01) F42B 39/20 (2006.01)
Patent
CA 2225964
A solid fuel propellant motor casing is described, the casing comprising a body portion for containing the propellant, the body portion also including at least one detachable end closure portion, the closure portion being maintained in position relative to said body portion by retaining means, the retaining means being held in position with engagement means on an inner surface of said body portion and located radially with respect to said body portion by locating means against resilient biasing means, said locating means being responsive to temperature such that said locating means melt at a predetermined temperature allowing said resiliently biased retaining means to move radially inwardly of said body portion and allow said at least one closure portion to be ejected from the casing.
L'invention a pour objet une enveloppe de moteur à propulsion par combustible solide, ladite enveloppe comprenant une partie corps qui contient le propulseur et au moins une partie fermeture à extrémité détachable, cette partie fermeture étant maintenue en position par rapport à ladite partie corps par un dispositif de retenue. Ce dernier, que maintient en position un dispositif d'emboîtement sur une surface interne de ladite partie corps, est positionné radialement par rapport à cette partie par des dispositifs de positionnement situés contre des polariseurs souples. Ces dispositifs réagissent à la température de telle sorte qu'ils fondent à une température donnée, ce qui permet aux dispositifs de retenue à polarisation souple de se déplacer radialement vers l'intérieur de ladite partie corps, provoquant ainsi l'éjection hors de l'enveloppe d'au moins ladite partie fermeture susmentionnée.
Bae Systems Land Systems (munitions & Ordnance) Limited
Fetherstonhaugh & Co.
Royal Ordnance Plc
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