F - Mech Eng,Light,Heat,Weapons – 42 – B
Patent
F - Mech Eng,Light,Heat,Weapons
42
B
102/6
F42B 15/00 (2006.01) F02K 9/28 (2006.01) F02K 9/38 (2006.01) F02K 9/76 (2006.01) F02K 9/97 (2006.01) F42B 15/36 (2006.01)
Patent
CA 2001315
Rupture disc bulkhead structure for use in a multi-stage rocket motor for missiles or the like wherein the disc is supported by a multiple aper- tured backup member. The disc has a series of bulges which define dimples that conform to the con- figuration of the apertures in the backup member. Bulging of the disc is carried out under a pressure exceeding that of the withstand pressure of the supported disc. Score lines in the disc aligned with the support segments of the apertured backup member permit the disc to rupture and open at a pressure significantly lower than the back pressure withstand value. The construction provides bulkhead structure which will withstand back pressures in the range of 2,000 to 10,000 static psig yet fully open in a forward direction at a static pressure of no more than about 100 to 400 psig.
Hibler Donald R. SR.
Hinrichs James O.
Fike Corporation
Gowling Lafleur Henderson Llp
LandOfFree
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