초록 ▼

A variable output inflator (20) for use in inflating an air bag or air cushion comprising: a pressure vessel (22) comprising a thin walled toroidal pressure vessel portion (23) and a cylindrical pressure vessel portion (60) circumscribed by, in physical contact and in fluid communication with the to

A variable output inflator (20) for use in inflating an air bag or air cushion comprising: a pressure vessel (22) comprising a thin walled toroidal pressure vessel portion (23) and a cylindrical pressure vessel portion (60) circumscribed by, in physical contact and in fluid communication with the toroidal pressure vessel portion, the cylindrical pressure vessel portion including a rupturable disk (74) and at least one exit port (78) communicable with an air bag; a pyrotechnic member (200a,b) for heating stored inflation gas within the pressure vessel to a pressure level to rupture the rupturable disk, allowing heated inflation gas to exit and fill an adjacently attached air bag.

대표청구항 ▼

[ We claim:] [1.] An inflator device (20) for use in inflating an air bag or air cushion comprising:a pressure vessel (22) defining an enclosed volume (44) containing stored inflation gas, said pressure vessel comprising a toroidal pressure vessel portion (23) having circular inner wall and outer wa

[ We claim:] [1.] An inflator device (20) for use in inflating an air bag or air cushion comprising:a pressure vessel (22) defining an enclosed volume (44) containing stored inflation gas, said pressure vessel comprising a toroidal pressure vessel portion (23) having circular inner wall and outer wall portions, the inner wall portions defining an annular space (25), and reinforcing means (60, 62, 60') secured to at least an exterior of the inner wall portion about the annular space for reinforcing the pressure vessel in relation to internal pressure forces;pyrotechnic means (200a,b or 310) in said toroidal pressure vessel portion for heating said stored inflation gas within the pressure vessel to a pressure level to open a rupturable disk to permit said stored inflation gas to exit the inflator device.