IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0732851
(2007-04-04)
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등록번호 |
US-7661707
(2010-04-03)
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발명자
/ 주소 |
- Stevens, Bruce A.
- Krupp, Robert M.
- Patterson, Donald B.
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출원인 / 주소 |
|
대리인 / 주소 |
L.C. Begin & Associates, PLLC.
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
12 |
초록
▼
A gas generating system is provided including a housing and a divider for dividing an interior of the housing into a first interior portion and a second interior portion. The divider defines a fluid flow path therethrough enabling fluid communication from the first interior portion to the second int
A gas generating system is provided including a housing and a divider for dividing an interior of the housing into a first interior portion and a second interior portion. The divider defines a fluid flow path therethrough enabling fluid communication from the first interior portion to the second interior portion. A valve mechanism is operatively coupled to the divider for constricting the fluid flow path responsive to a pressure within the first interior portion, thereby enabling the pressure within the first interior portion to be maintained within a predetermined range. A vehicle occupant protection system including the gas generating system is also disclosed.
대표청구항
▼
What is claimed is: 1. A gas generating system comprising: a housing; a divider for dividing an interior of the housing into a first interior portion and a second interior portion, the divider defining a fluid flow path therethrough enabling fluid communication from the first interior portion to th
What is claimed is: 1. A gas generating system comprising: a housing; a divider for dividing an interior of the housing into a first interior portion and a second interior portion, the divider defining a fluid flow path therethrough enabling fluid communication from the first interior portion to the second interior portion; and a valve mechanism operatively coupled to the divider for constricting the divider fluid flow path responsive to a pressure within the first interior portion, whereby the pressure within the first interior portion is maintained at a value within a predetermined range; and a fluid flow path extending through the valve mechanism and enabling fluid communication between the divider fluid flow path and the second interior portion. 2. A flow control system for regulating a flow of fluid out of an enclosure responsive to a pressure within the enclosure, the flow control system comprising: a first fluid flow path enabling a flow of fluid out of the enclosure a valve mechanism in operative communication with the first fluid flow path for constricting the first fluid flow path responsive to the pressure within the enclosure, whereby the pressure within the enclosure is maintained at a value within a predetermined range; and a second fluid flow path extending through the valve mechanism to enable a flow of fluid between the first flow path and an exterior of the valve mechanism, wherein the first fluid flow path enables a flow of fluid around the valve mechanism. 3. A vehicle occupant protection system comprising a flow control system in accordance with claim 2. 4. A gas generating system incorporating a flow control system in accordance with claim 2. 5. A flow control system for regulating a flow of fluid out of an enclosure responsive to a pressure within the enclosure, the flow control system comprising: a first fluid flow paht enabling fluid communication between an interior of the enclosure and an exterior of the enclosure; a valve mechanism in operative communication with the first fluid flow path for constricting the first fluid flow path responsive to the pressure within the enclosure, whereby the pressure within the enclosure is maintained at a value within a predetermined range; a second fluid flow path extending through the valve mechanism and fluidly connecting the first fluid flow path and an exterior of the valve mechanism; a divider for dividing an interior of the enclosure from an exterior of the enclosure, the divider defining the first fluid flow path therein, and wherein the valve mechanism comprises: a piston slidably engaged with the divider so as to enable fluid communication between the piston and the enclosure interior; a closure member coupled to the piston so as to move in conjunction therewith; and a spring member operatively coupled to the closure member for exerting a force on the closure member, whereby a first force exerted on the piston in a first direction due to the pressure within the enclosure interior is opposed by a second force responsive to the first force, the second force being exerted on the closure member by the spring member in a second direction substantially opposite the first direction. 6. The flow control system of claim 5 wherein, when the pressure within the enclosure interior is at a value within the predetermined range, the first force is substantially equal to the second force. 7. The flow control system of claim 6 wherein, when the pressure within the enclosure interior is at a value within the predetermined range, the first force is equal to about 221 N and the pressure within the enclosure interior is equal to about 31 Mpa. 8. The flow control system of claim 5 wherein the closure member is coupled to the divider so as to constrict the first fluid flow path through the divider responsive to a sum of the first and second forces acting on the closure member. 9. The flow control system of claim 8 further comprising a stop member for restricting motion of the closure member. 10. The flow control system of claim 5 wherein a degree of constriction of the first fluid flow path is inversely proportional to the pressure within the enclosure. 11. The flow control system of claim 5 further including a divider for dividing an interior of the enclosure from an exterior of the enclosure, the divider defining the first fluid flow path therein, and wherein the valve mechanism comprises: a closure member slidably engaged with the divider so as to enable fluid communication between the closure member and the enclosure interior, and a spring member operatively coupled to the closure member for exerting a force on the closure member, whereby a first force exerted on the closure member in a first direction due to the pressure within the enclosure interior is opposed by a second force responsive to the first force, the second force being exerted on the closure member by the spring member in a second direction substantially opposite the first direction. 12. A flow control system for regulating a flow of fluid out of an enclosure responsive to a pressure within the enclosure, the flow control system comprising: a divider for dividing an interior of the enclosure from an exterior of the enclosure, the divider defining a fluid flow path enabling fluid communication between an interior of the enclosure and an exterior of the enclosure; a valve mechanism in operative communication with the fluid flow path for constricting the fluid flow path responsive to the pressure within the enclosure, whereby the pressure within the enclosure is maintained at a value within a predetermined range, the valve mechanism comprising: a piston slidably engaged with the divider so as to enable fluid communication between the piston and the enclosure interior; a closure member coupled to the piston so as to move in conjunction therewith; and a spring member operatively coupled to the closure member for exerting a force on the closure member, whereby a first force exerted on the piston in a first direction due to the pressure within the enclosure interior is opposed by a second force responsive to the first force, the second force being exerted on the closure member by the spring member in a second direction substantially opposite the first direction, wherein the divider has a projection extending therefrom, the projection containing at least one hole formed therein to enable fluid communication between the enclosure interior and the exterior of the enclosure upon activation of the flow control system, and wherein the closure member comprises a sleeve slidably mounted on the projection so as to adjustably constrict the at least one hole responsive to the pressure within the enclosure interior. 13. The flow control system of claim 12 wherein the projection is adjustably connected to the divider. 14. The flow control system of claim 13 wherein the connection between the projection and the divider is a threaded connection. 15. The flow control system of claim 12 wherein the sleeve includes at least one gas-exit orifice formed therein. 16. A flow control system for regulating a flow of fluid out of an enclosure responsive to a pressure within the enclosure, the flow control system comprising: a divider for dividing an interior of the enclosure from an exterior of the enclosure, the divider defining a fluid flow path enabling fluid communication between an interior of the enclosure and an exterior of the enclosure; a valve mechanism in operative communication with the fluid flow path for constricting the fluid flow path responsive to the pressure within the enclosure, whereby the pressure within the enclosure is maintained at a value within a predetermined range, the valve mechanism including a closure member slidably engaged with the divider so as to enable fluid communication between the closure member and the enclosure interior; and a spring member operatively coupled to the closure member for exerting a force on the closure member, whereby a first force exerted on the closure member in a first direction due to the pressure within the enclosure interior is opposed by a second force responsive to the first force, the second force being exerted on the closure member by the spring member in a second direction substantially opposite the first direction, wherein the divider has a projection extending therefrom, the projection containing at least one hole formed therein to enable fluid communication between the enclosure interior and the exterior of the enclosure, and wherein the closure member comprises a sleeve slidably mounted on the projection so as to adjustably constrict the at least one hole responsive to the pressure within the enclosure interior. 17. The flow control system of claim of claim 16 wherein a portion of the at least one hole enables fluid communication between the enclosure interior and the exterior of the enclosure prior to activation of the flow control system. 18. The flow control system of claim 16 wherein the projection is adjustably connected to the divider.
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