Inflator

Details Inflator Inflator

1999-06-08

2000-12-26

English, Peter C.

Land vehicles

Wheeled

Attachment

280741, B60R 2126

Patent

active

061646954

ABSTRACT:
An inflator (10) for providing inflation fluid to inflate an inflatable device includes a container (12) containing a stored pressurized gas. The container (12) has a primary chamber (24) and a secondary chamber (26). The container (12) has a wall (32) separating the primary and secondary chambers (24, 26). An orifice (34) communicates the primary chamber (24) with the secondary chamber (26). The container (12) has an outlet passage (42) communicating with the secondary chamber (26). The flow area of the outlet passage (42) is greater than the flow area of the orifice (34). A member (46) has a first condition blocking flow through the outlet passage (42) and a second condition permitting flow through the outlet passage. An initiator (52) causes the member (46) to assume the second condition so as to permit flow from the secondary chamber (26) through the outlet passage (42) and create a pressure differential between the primary and secondary chambers (24, 26) acting on the wall (32). The pressure differential ruptures the wall (32).

REFERENCES:
patent: 3961806 (1976-06-01), Katter
patent: 5630619 (1997-05-01), Buchanan et al.
patent: 5794973 (1998-08-01), O'Loughlin et al.
patent: 5884938 (1999-03-01), Rink et al.
patent: 6086094 (2000-07-01), Stevens et al.

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