Air bag relief valve
First Claim
Patent Images
1. An improved air bag for an automotive inflatable occupant restraint system of the type having a source of inflating gas connected to the air bag for pressurization thereof, the air bag comprising:
- a flexible body portion having an internal chamber in fluid communication with the inflating gas source;
a discharge port formed through said body portion for directing said gas out of said chamber to the atmosphere; and
a valve comprising;
an annular base portion fixedly secured to said body portion;
a centrally located support portion positioned within said base portion;
a plurality of apertures formed through said support portion in circumferentially spaced relationship; and
a plurality of flap members hingedly connected to said support portion for movement between a position enclosing said discharge port and positions opening said discharge port in response to the pressurization of said chamber.
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Accused Products
Abstract
An airbag for an automotive inflatable occupant restraint system includes a valve for controlling the discharge of inflating gas from the airbag. The valve includes pivotally mounted flaps defining a discharge orifice variable in size in response to gas pressure and flow.
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Citations
10 Claims
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1. An improved air bag for an automotive inflatable occupant restraint system of the type having a source of inflating gas connected to the air bag for pressurization thereof, the air bag comprising:
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a flexible body portion having an internal chamber in fluid communication with the inflating gas source; a discharge port formed through said body portion for directing said gas out of said chamber to the atmosphere; and a valve comprising; an annular base portion fixedly secured to said body portion; a centrally located support portion positioned within said base portion; a plurality of apertures formed through said support portion in circumferentially spaced relationship; and a plurality of flap members hingedly connected to said support portion for movement between a position enclosing said discharge port and positions opening said discharge port in response to the pressurization of said chamber. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification