IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0340902
(2016-11-01)
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등록번호 |
US-10020477
(2018-07-10)
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발명자
/ 주소 |
- Lomax, Olivia
- Maguire, Patrick Daniel
- Liptak, Stephen
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출원인 / 주소 |
- Ford Global Technologies, LLC
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대리인 / 주소 |
Carlson, Gaskey & Olds, P.C.
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인용정보 |
피인용 횟수 :
0 인용 특허 :
2 |
초록
▼
An exemplary assembly includes an enclosure wall of an enclosure that houses at least one battery cell, and a vent of the enclosure wall. The vent is configured to move from a first position to a second position in response to an increase in a pressure within an interior of the enclosure. The vent i
An exemplary assembly includes an enclosure wall of an enclosure that houses at least one battery cell, and a vent of the enclosure wall. The vent is configured to move from a first position to a second position in response to an increase in a pressure within an interior of the enclosure. The vent in the second position provides a passage to discharge battery vent byproducts from the interior. An exemplary battery pack venting method includes moving a vent of an enclosure wall from a first position to a second position in response to an increase in a pressure within an interior of an enclosure having the enclosure wall. The vent in the second position provides a passage to discharge battery vent byproducts from the interior.
대표청구항
▼
1. A battery assembly comprising: an enclosure wall of an enclosure that houses at least one battery cell; anda vent of the enclosure wall, the vent is configured to move from a first position to a second position in response to an increase in a pressure within an interior of the enclosure, the vent
1. A battery assembly comprising: an enclosure wall of an enclosure that houses at least one battery cell; anda vent of the enclosure wall, the vent is configured to move from a first position to a second position in response to an increase in a pressure within an interior of the enclosure, the vent in the second position provides a passage through the enclosure wall to discharge battery vent byproducts from the interior, wherein the vent and the enclosure wall together provide a monolithic structure, and the passage is a rupture within the vent. 2. The battery assembly of claim 1, wherein an area of the enclosure wall directly adjacent the vent has a first thickness, and the vent has a second thickness that is less than the first thickness. 3. The battery assembly of claim 1, further comprising the enclosure having a lid and a tray, wherein the lid includes the enclosure wall with the vent. 4. The battery assembly of claim 1, wherein a portion of the vent protrudes into the interior past an area of the enclosure wall directly adjacent the vent when the vent is in the first position, and the portion is moved outward away from the interior when the vent is in the second position. 5. The battery assembly of claim 1, wherein the enclosure wall and the vent are integrally formed together. 6. The battery assembly of claim 1, further comprising a piercer outside the interior, wherein movement of the vent from the first position to the second position causes the piercer to rupture the vent to provide the passage. 7. The battery assembly of claim 6, wherein the vent includes a thermoplastic, and the piercer includes a metal or metal alloy. 8. The battery assembly of claim 1, wherein an outer periphery of the passage is provided entirely by the vent of the enclosure wall, and the vent and the enclosure wall are together a single monolithic structure. 9. The battery assembly of claim 1, wherein the enclosure wall is disposed circumferentially continuously about the passage when the vent is in the second position. 10. A battery assembly, comprising: an enclosure wall of an enclosure that houses at least one battery cell;a vent of the enclosure wall, the vent is configured to move from a first position to a second position in response to an increase in a pressure within an interior of the enclosure, the vent in the second position provides a passage to discharge battery vent byproducts from the interior; andan anchor securing a portion of the enclosure wall directly adjacent the vent to another structure separate from the enclosure wall, the anchor secures the portion when the vent is in the first position and when the vent is in the second position. 11. The battery assembly of claim 8, wherein the anchor is a molded-in anchor directed toward the interior. 12. The battery assembly of claim 8, wherein the anchor is configured to be engaged by a receiving feature housed within the interior. 13. The battery assembly of claim 8, further comprising a score line of the vent, wherein movement of the vent from the first position to the second position causes the vent to rupture at the score line to provide the passage. 14. A battery pack venting method, comprising: moving a vent that is formed with an enclosure wall from a first position to a second position in response to an increase in a pressure within an interior of an enclosure having the enclosure wall, the vent in the second position provides a passage to discharge battery vent byproducts from the interior, the passage having a circumferentially continuous outer perimeter that is defined by the vent. 15. The battery pack venting method of claim 14, wherein the vent is formed as a single, monolithic structure together with the remaining portions of the enclosure wall, and the passage is a rupture within the vent. 16. The battery pack venting method of claim 14, wherein the moving comprises moving a portion of the vent extending into the interior outward away from the interior. 17. The battery pack venting method of claim 14, further comprising rupturing the vent with a piercer as the vent moves from the first position to the second position, the piercer located outside the interior. 18. The battery pack venting method of claim 14, further comprising rupturing the vent at a score line when moving the vent from the first position to the second position to provide the passage. 19. A battery pack venting method, comprising: moving a vent that is formed with an enclosure wall from a first position to a second position in response to an increase in a pressure within an interior of an enclosure having the enclosure wall, the vent in the second position provides a passage to discharge battery vent byproducts from the interior; andanchoring a portion of the vent such that movement of the vent from the first position to the second position causes the vent to rupture. 20. The battery pack venting method of claim 19, wherein the anchoring comprising engaging an anchor of the enclosure wall with a receiving feature within the interior.
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