IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0274164
(2008-11-19)
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등록번호 |
US-8205631
(2012-06-26)
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발명자
/ 주소 |
- Schramm, Michael R.
- Green, David J.
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
22 |
초록
▼
A relief valve and related systems and methods have particular use in fluid distribution lines. The relief valve comprises a body defining a cavity and comprising at least first and second openings in fluid communication with the cavity. A connector piece is connected to the body at the first openin
A relief valve and related systems and methods have particular use in fluid distribution lines. The relief valve comprises a body defining a cavity and comprising at least first and second openings in fluid communication with the cavity. A connector piece is connected to the body at the first opening to connect the valve to a fluid distribution line. A rupture disc is disposed within and obstructs the first opening. When it is desired that fluid from the fluid distribution line be vented from the system, the rupture disc is punctured via activation of an active material initiator and thereby allows for fluid communication through the first opening of the valve.
대표청구항
▼
1. A relief valve comprising: a body, wherein the body defines a cavity, a first opening and a second opening, wherein the first opening and the second opening are in fluid communication with the cavity;an active material initiator integrally molded with the body, wherein the active material initiat
1. A relief valve comprising: a body, wherein the body defines a cavity, a first opening and a second opening, wherein the first opening and the second opening are in fluid communication with the cavity;an active material initiator integrally molded with the body, wherein the active material initiator at least partially comprises a shape memory alloy,wherein the active material initiator comprises at least one electrical connector, a base portion, a body portion, and an end portion,wherein the base portion allows electric communication with the body portion from the electrical connector, andwherein the body portion is between the base portion and the end portion; and,a rupture disc disposed within and obstructing the first opening, wherein the rupture disc is positioned and aligned with the active material initiator such that, upon deployment of the active material initiator, the active material initiator ruptures the rupture disc and thereby allows for fluid communication through the first opening. 2. The relief valve of claim 1, wherein the relief valve is in pressurized connection with a refrigerant system. 3. The relief valve of claim 1, wherein the body portion has a bent portion that comprises a shape memory alloy. 4. The relief valve of claim 3, wherein upon receiving a deployment signal, the shape memory alloy bent portion changes its configuration such that the end portion of the body portion contacts and ruptures the rupture disc. 5. A relief valve in pressurized connection with a refrigerant system, comprising: a body, wherein the body defines a cavity, a first opening and a second opening, wherein the first opening and the second opening are in fluid communication with the cavity;an active material initiator integrally molded with the body, wherein the active material initiator at least partially comprises a shape memory alloy,wherein the active material initiator comprises at least one electrical connector, a base portion, a body portion, and an end portion,wherein the base portion allows electric communication with the body portion from the electrical connector, andwherein the body portion is between the base portion and the end portion;a crimp sleeve connected to the body at the first opening;a hose nipple connected to the body at the second opening; anda rupture disc disposed within and obstructing the first opening, wherein the rupture disc is positioned and aligned with the active material initiator such that, upon deployment of the active material initiator, the active material initiator ruptures the rupture disc and thereby allows for fluid communication through the first opening. 6. The relief valve of claim 5, wherein the body portion has a bent portion that comprises a shape memory alloy. 7. The relief valve of claim 6, wherein upon receiving a deployment signal, the shape memory alloy bent portion changes its configuration such that the end portion of the body portion contacts and ruptures the burst disc. 8. The relief valve of claim 5, wherein the hose nipple is integrally molded with the body. 9. The relief valve of claim 5, wherein the crimp sleeve is integrally molded with the body. 10. The relief valve of claim 5, wherein the rupture disc is mounted within the crimp sleeve. 11. The relief valve of claim 10, wherein a sealing washer is positioned between the crimp sleeve and the rupture disc. 12. The relief valve of claim 5, further comprising a tee fitting connected to the body and in fluid communication with the cavity of the body at the first opening, wherein the tee fitting is connected to the body with the crimp sleeve, and wherein the tee fitting is designed to be integrated with an automotive refrigerant line. 13. The relief valve of claim 5, wherein the active material initiator is operably coupled with a cutter piece configured to puncture the rupture disc upon deployment of the active material initiator. 14. The relief valve of claim 5, wherein the first opening is oriented approximately perpendicular to the second opening. 15. The relief valve of claim 5, wherein the first opening is axially aligned with or approximately parallel to the second opening. 16. The relief valve of claim 5, further comprising an electrical activator connected to the electrical connector. 17. The relief valve of claim 5, wherein the body is formed from a plastic material. 18. The relief valve of claim 5, further comprising a support structure integrally molded with the body. 19. An automotive refrigeration system comprising: a refrigerant line;a relief valve connected with the refrigerant line, the relief valve comprising a body, wherein the body defines a cavity, a first opening and a second opening, wherein the first opening and the second opening are in fluid communication with the cavity;an active material initiator integrally molded with the body; wherein the active material initiator at least partially comprises a shape memory alloy,wherein the active material initiator comprises at least one electrical connector, a base portion, a body portion, and an end portion,wherein the base portion allows electric communication with the body portion from the electrical connector, andwherein the body portion is between the base portion and the end portion;a crimp sleeve connected to the body at the first opening; anda rupture disc disposed within and obstructing the first opening, wherein the rupture disc is positioned and aligned with the active material initiator such that, upon deployment of the active material initiator, the active material initiator ruptures the rupture disc and thereby allows for fluid communication through the first opening. 20. The relief valve of claim 19, wherein the body portion has a bent portion that comprises a shape memory alloy. 21. The relief valve of claim 20, wherein upon receiving a deployment signal, the shape memory alloy bent portion changes its configuration such that the end portion contacts and ruptures the burst disc. 22. The automotive refrigeration system of claim 19, wherein the relief valve is connected with the refrigerant line via a tee fitting on the refrigerant line, wherein the tee fitting is in fluid communication with the cavity of the body at the first opening, and wherein the tee fitting is connected to the body with the crimp sleeve. 23. The automotive refrigeration system of claim 19, wherein the active material initiator is coupled with a cutter piece configured to puncture the rupture disc upon deployment of the active material initiator. 24. The automotive refrigeration system of claim 19, wherein the relief valve is connected with the refrigerant line via a tee fitting on the refrigerant line, wherein the tee fitting is in fluid communication with the cavity of the body at the first opening, and wherein the tee fitting is connected to the body with the crimp sleeve. 25. The automotive refrigeration system of claim 19, wherein the active material initiator is coupled with a cutter piece configured to puncture the rupture disc upon deployment of the active material initiator. 26. A relief valve comprising: a body, wherein the body defines a cavity, a first opening and a second opening, wherein the first opening and the second opening are in fluid communication with the cavity;an active material initiator integrally molded with the body, wherein the active material initiator at least partially comprises a shape memory alloy,wherein the active material initiator comprises a body portion and an end portion,wherein the body portion of the active material initiator comprises a coil of shape memory alloy; and;a rupture disc disposed within and obstructing the first opening, wherein the rupture disc is positioned and aligned with the active material initiator such that, upon receiving an activation signal, the coil adopts a less coiled configuration such that the end portion of the coil causes the rupture disc to rupture and thereby allows for fluid communication through the first opening. 27. The relief valve of claim 26, wherein the active material initiator further comprises at least one electrical connector body portion and a base portion, wherein the base portion allows electric communication with the body portion from the electrical connector, and wherein the body portion is between the base portion and the end portion. 28. The relief valve of claim 26, wherein the relief valve is in pressurized connection with a refrigerant system. 29. A relief valve in pressurized connection with a refrigerant system, comprising: a body, wherein the body defines a cavity, a first opening and a second opening, wherein the first opening and the second opening are in fluid communication with the cavity;an active material initiator integrally molded with the body, wherein the active material initiator at least partially comprises a shape memory alloy,wherein the active material initiator comprises a body portion and an end portion,wherein the body portion of the active material initiator comprises a coil of shape memory alloy; and;a crimp sleeve connected to the body at the first opening;a hose nipple connected to the body at the second opening; anda rupture disc disposed within and obstructing the first opening, wherein the rupture disc is positioned and aligned with the active material initiator such that, upon receiving an activation signal, the coil adopts a less coiled configuration such that the end portion of the coil causes the rupture disc to rupture and thereby allows for fluid communication through the first opening. 30. The relief valve of claim 29, wherein the active material initiator further comprises at least one electrical connector body portion and a base portion, wherein the base portion allows electric communication with the body portion from the electrical connector, and wherein the body portion is between the base portion and the end portion. 31. The relief valve of claim 30, further comprising an electrical activator connected to the electrical connector. 32. The relief valve of claim 29, wherein the hose nipple is integrally molded with the body. 33. The relief valve of claim 29, wherein the crimp sleeve is integrally molded with the body. 34. The relief valve of claim 29, wherein the rupture disc is mounted within the crimp sleeve. 35. The relief valve of claim 34, wherein a sealing washer is positioned between the crimp sleeve and the rupture disc. 36. The relief valve of claim 29, further comprising a tee fitting connected to the body and in fluid communication with the cavity of the body at the first opening, wherein the tee fitting is connected to the body with the crimp sleeve, and wherein the tee fitting is designed to be integrated with an automotive refrigerant line. 37. The relief valve of claim 29, wherein the active material initiator is operably coupled with a cutter piece configured to puncture the rupture disc upon deployment of the active material initiator. 38. The relief valve of claim 29, wherein the first opening is oriented approximately perpendicular to the second opening. 39. The relief valve of claim 29, wherein the first opening is axially aligned with or approximately parallel to the second opening. 40. The relief valve of claim 29, wherein the body is formed from a plastic material. 41. The relief valve of claim 29, further comprising a support structure integrally molded with the body. 42. An automotive refrigeration system comprising: a refrigerant line;a relief valve connected with the refrigerant line, the relief valve comprising a body, wherein the body defines a cavity, a first opening and a second opening, wherein the first opening and the second opening are in fluid communication with the cavity;an active material initiator integrally molded with the body; wherein the active material initiator at least partially comprises a shape memory alloy,wherein the active material initiator comprises a body portion and an end portion,wherein the body portion of the active material initiator comprises a coil of shape memory alloy; and;a crimp sleeve connected to the body at the first opening; anda rupture disc disposed within and obstructing the first opening, wherein the rupture disc is positioned and aligned with the active material initiator such that, upon receiving an activation signal, the coil adopts a less coiled configuration such that the end portion of the coil causes the rupture disc to rupture and thereby allows for fluid communication through the first opening. 43. The automotive refrigeration system of claim 42, wherein the active material initiator further comprises at least one electrical connector body portion and a base portion, wherein the base portion allows electric communication with the body portion from the electrical connector, and wherein the body portion is between the base portion and the end portion. 44. The automotive refrigeration system of claim 42, wherein the relief valve is in pressurized connection with a refrigerant system.
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