IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0985071
(2001-11-01)
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발명자
/ 주소 |
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출원인 / 주소 |
- Siemens VDO Automotive Corporation
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인용정보 |
피인용 횟수 :
3 인용 특허 :
21 |
초록
▼
A fuel communicating assembly including a base having a wall disposed about a longitudinal axis. The wall having a surface exposed to the longitudinal axis. The surface defining a chamber. The wall having an end that defines an aperture to the chamber. The assembly further including a component havi
A fuel communicating assembly including a base having a wall disposed about a longitudinal axis. The wall having a surface exposed to the longitudinal axis. The surface defining a chamber. The wall having an end that defines an aperture to the chamber. The assembly further including a component having a housing. The housing having an exterior surface. A portion of the exterior surface disposed within the chamber. A metallic member having an inner surface and an outer surface contiguous with the exterior surface of the component. The outer surface is contiguous with the surface of the wall so that the portion of the exterior surface of the component is retained within the chamber and the aperture of the chamber is hermetically sealed. A method of retaining a component within a base is also described.
대표청구항
▼
I claim: 1. An assembly comprising: a base having a wall disposed about a longitudinal axis, the wall having a surface exposed to the longitudinal axis, the surface defining a chamber, the wall having an end that defines an aperture to the chamber; a component having a housing, the housing having a
I claim: 1. An assembly comprising: a base having a wall disposed about a longitudinal axis, the wall having a surface exposed to the longitudinal axis, the surface defining a chamber, the wall having an end that defines an aperture to the chamber; a component having a housing, the housing having an exterior surface spaced from the surface of the base, a portion of the exterior surface being disposed within the chamber, the component comprising at least one of a fuel rail end cap and a fuel pressure damper; and a metallic member having an inner surface and an outer surface, the inner surface having a lower surface roughness than the surface roughness of the outer surface, the inner surface being contiguous with the exterior surface of the component and the outer surface being contiguous with the surface of the wall so that the portion of the exterior surface of the component is retained within the chamber and the aperture of the chamber is hermetically sealed, the metallic member having a tubular wall having a cross-sectional area approximately equal to a cross sectional area of the component, the tubular wall including: an inner surface and an outer surface; a sleeve portion proximate the base, the inner surface and outer surface of the sleeve portion being substantially parallel to the longitudinal axis; and a lead-in portion extending away from the sleeve portion and being contiguous therewith, the inner and outer surfaces of the lead-in portion curling away from the longitudinal axis as they extend away from the sleeve portion. 2. The assembly of claim 1, wherein the metallic member comprises an annulus, the inner surface of the metallic member comprises a first surface of the annulus normal to a central axis of the annulus and the outer surface of the metallic member comprises a second surface of the annulus, the second surface being concentric to the first surface. 3. The assembly of claim 2 wherein the surface of the base has a first diameter. 4. The assembly of claim 3 wherein the exterior surface of the housing comprises a second diameter. 5. The assembly of claim 4 wherein the inner surface of the annulus is substantially equal to the second diameter and the outer surface of the annulus is substantially equal to the first diameter. 6. The assembly of claim 5, wherein the surface of the base comprises an inner surface contiguous with the wall, the inner surface defining a cross-sectional area about the longitudinal axis of the base, the annulus and exterior surface being disposed within the base, the outer surface of the annulus defining a cross-sectional area about the longitudinal axis being approximately equal to the cross-sectional area of the base. 7. The assembly of claim 1, wherein the metallic member forms a hermetic seal that remains a seal at operational fuel pressurized at approximately 2 psi to 60 psi and at a burst fuel pressure of greater than 600 psi. 8. The assembly of claim 1, wherein the lead-in portion comprises a first inflection point proximate the sleeve portion, an outer end opposite the sleeve portion, and a second inflection point disposed between the first inflection point and the outer end, the first inflection point being at a distance from the longitudinal axis substantially equal to that of the first portion, the second inflection point being disposed at a greater distance from the longitudinal axis than the first inflection point, and the outer end being disposed at a greater distance from the longitudinal axis than the second inflection point. 9. The assembly of claim 8, wherein the lead-in portion of the tubular wall further comprises a transition segment disposed between the first inflection point and the second inflection point, and a stop segment disposed between the second inflection point and the outer end, the transition segment being disposed at a transition angle acute to the longitudinal axis, the stop segment being disposed at a lead-in angle acute to the transition segment. 10. The assembly of claim 9, wherein the transition acute angle is approximately 20 to 37 degrees. 11. The assembly of claim 1, wherein the component comprises an end cap. 12. The assembly of claim 1, wherein the metallic member comprises a compliant material. 13. The assembly of claim 1, wherein the metallic member comprises a copper alloy. 14. The assembly of claim 1, wherein the metallic member comprises an annulus, the inner surface of the metallic member comprises a first surface of the annulus generally normal to a central axis of the annulus and the outer surface of the metallic member comprises a second surface of the annulus, the second surface being concentric to the first surface. 15. The assembly of claim 14, wherein the surface of the base has a first diameter about the central axis, and wherein the surface of the base comprises an inner surface contiguous with the wall, the inner surface defining a cross-sectional area about the longitudinal axis of the base, the annulus and exterior surface being disposed within the base, the outer surface of the annulus defining a cross-sectional area about the longitudinal axis being approximately equal to the cross-sectional area of the base. 16. The assembly of claim 15, wherein the exterior surface of the housing comprises a second diameter about the central axis, and wherein the inner surface of the annulus is substantially equal to the second diameter and the outer surface of the annulus is substantially equal to the first diameter. 17. The assembly of claim 1, wherein the metallic member forms a hermetic seal that remains a seal against fuel pressurized in one of the base or component at approximately 2 psi to 60 psi and at a burst fuel pressure of greater than 600 psi. 18. The assembly of claim 1, wherein the metallic member comprises at least one of a compliant material or a copper alloy and combinations thereof. 19. The assembly of claim 1, wherein the lead-in portion comprises a first inflection point proximate the sleeve portion, an outer end opposite the sleeve portion, and a second inflection point disposed between the first inflection point and the outer end, the first inflection point being at a distance from the longitudinal axis substantially equal to that of the first portion, the second inflection point being disposed at a greater distance from the longitudinal axis than the first inflection point, and the outer end being disposed at a greater distance from the longitudinal axis than the second inflection point. 20. The assembly of claim 19, wherein the lead-in portion of the tubular wall further comprises a transition segment disposed between the first inflection point and the second inflection point, and a stop segment disposed between the second inflection point and the outer end, the transition segment being disposed at a transition angle acute to the longitudinal axis, the stop segment being disposed at a lead-in angle acute to the transition segment. 21. The assembly of claim 20, wherein the transition acute angle is approximately 20 to 37 degrees. 22. The assembly of claim 1 wherein the metallic member comprises a compliant material. 23. The assembly of claim 1, wherein the metallic member comprises a copper alloy. 24. An assembly, comprising: a base having a wall disposed about a longitudinal axis, the wall having a surface exposed to the longitudinal axis, the surface defining a chamber, the wall having an end that defines an aperture to the chamber; a component having a housing, the housing having an exterior surface, a portion of the exterior surface being disposed within the chamber; and a metallic member having an inner surface and an outer surface, the inner surface being contiguous with the exterior surface of the component and the outer surface being contiguous with the surface of the wall so that the portion of the exterior surface of the component is retained within the chamber and the aperture of the chamber is hermetically sealed, wherein the base comprises an injector cup. 25. The assembly of claim 24, wherein the metallic member comprises an annulus, the inner surface of the metallic member comprises a first surface of the annulus generally normal to a central axis of the annulus and the outer surface of the metallic member comprises a second surface of the annulus, the second surface being concentric to the first surface. 26. The assembly of claim 25, wherein the surface of the base has a first diameter about the central axis, and wherein the surface of the base comprises an inner surface contiguous with the wall, the inner surface defining a cross-sectional area about the longitudinal axis of the base, the annulus and exterior surface being disposed within the base, the outer surface of the annulus defining a cross-sectional area about the longitudinal axis being approximately equal to the cross-sectional area of the base. 27. The assembly of claim 26, wherein the exterior surface of the housing comprises a second diameter about the central axis, and wherein the inner surface of the annulus is substantially equal to the second diameter and the outer surface of the annulus is substantially equal to the first diameter. 28. The assembly of claim 24, wherein the metallic member forms a hermetic seal that remains a seal against fuel pressurized in one of the base or component at approximately 2 psi to 60 psi and at a burst fuel pressure of greater than 600 psi. 29. An assembly comprising: a base having a wall disposed about a longitudinal axis, the wall having a surface exposed to the longitudinal axis, the surface defining a chamber, the wall having an end that defines an aperture to the chamber and the wall of the base has a first diameter, the base comprises an inner surface contiguous with the wall, the inner surface defining a cross sectional area of the base; a component having a housing, the housing having an exterior surface, the exterior surface of the housing comprises a second diameter, a portion of the exterior surface being disposed within the chamber; and a metallic member having an inner surface and an outer surface, the inner surface being contiguous with the exterior surface of the component and the outer surface being contiguous with the surface of the wall so that the portion of the exterior surface of the component is retained within the chamber and the aperture of the chamber is hermetically sealed, the metallic member comprises an annulus, the inner surface of the metallic member comprises a first surface of the annulus normal to a central axis of the annulus and the outer surface of the metallic member comprises a second surface of the annulus, the second surface being concentric to the first surface, the inner surface of the annulus is substantially equal to the second diameter of the housing and the outer surface of the annulus is substantially equal to the first diameter of the base, wherein the annulus and exterior surface being disposed within the base, and wherein the base comprises an injector cup. 30. An assembly comprising: a base having a wall disposed about a longitudinal axis, the wall having a surface exposed to the longitudinal axis, the surface defining a chamber, the wall having an end that defines an aperture to the chamber, the base comprising a fuel rail; a component having a housing, the housing having an exterior surface spaced from the surface of the base, a portion of the exterior surface being disposed within the chamber; and a metallic member having an inner surface and an outer surface, the inner surface having a lower surface roughness than the surface roughness of the outer surface, the inner surface being contiguous with the exterior surface of the component and the outer surface being contiguous with the surface of the wall so that the portion of the exterior surface of the component is retained within the chamber and the aperture of the chamber is hermetically sealed, the metallic member having a tubular wall having a cross-sectional area approximately equal to a cross sectional area of the component, the tubular wall including: an inner surface and an outer surface; a sleeve portion proximate the base, the inner surface and outer surface of the sleeve portion being substantially parallel to the longitudinal axis; and a lead-in portion extending away from the sleeve portion and being contiguous therewith, the inner and outer surfaces of the lead-in portion curling away from the longitudinal axis as they extend away from the sleeve portion. 31. The assembly of claim 30, wherein the component comprises an end cap. 32. An assembly comprising: a base having a wall disposed about a longitudinal axis, the wall having a surface exposed to the longitudinal axis, the surface defining a chamber, the wall having an end that defines an aperture to the chamber; a component having a housing, the housing having an exterior surface spaced from the surface of the base, a portion of the exterior surface being disposed within the chamber, the component comprising a damper; and a metallic member having an inner surface and an outer surface, the inner surface having a lower surface roughness than the surface roughness of the outer surface, the inner surface being contiguous with the exterior surface of the component and the outer surface being contiguous with the surface of the wall so that the portion of the exterior surface of the component is retained within the chamber and the aperture of the chamber is hermetically sealed, the metallic member having a tubular wall having a cross-sectional area approximately equal to a cross sectional area of the component, the tubular wall including: an inner surface and an outer surface; a sleeve portion proximate the base, the inner surface and outer surface of the sleeve portion being substantially parallel to the longitudinal axis; and a lead-in portion extending away from the sleeve portion and being contiguous therewith, the inner and outer surfaces of the lead-in portion curling away from the longitudinal axis as they extend away from the sleeve portion.
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