System for absorbing and distributing side impact energy utilizing an integrated battery pack
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B60K-001/04
B60R-016/04
B62D-021/15
B62D-025/02
B62D-025/20
출원번호
US-0168351
(2014-01-30)
등록번호
US-9045030
(2015-06-02)
발명자
/ 주소
Rawlinson, Peter Dore
Clarke, Alan Paul
Gadhiya, Hitendra Laxmidas
Sumpf, Jr., Robert David
Edwards, Bruce Philip
출원인 / 주소
Tesla Motors, Inc.
대리인 / 주소
Soderberg, J. Richard
인용정보
피인용 횟수 :
12인용 특허 :
32
초록▼
An energy absorbing and distributing side impact system for use with a vehicle is provided, the system utilizing a battery pack enclosure that includes a plurality of cross-members that transverse the battery pack enclosure and absorb and distribute at least a portion of the load received when eithe
An energy absorbing and distributing side impact system for use with a vehicle is provided, the system utilizing a battery pack enclosure that includes a plurality of cross-members that transverse the battery pack enclosure and absorb and distribute at least a portion of the load received when either the first or second side of the vehicle receives a side impact. The battery pack enclosure is positioned between the front and rear vehicle suspension assemblies and mounted between, and mechanically coupled to, vehicle structural members (e.g., rocker panels) located on either side of the vehicle. In addition to providing rigidity, strength and impact resistance, the battery pack cross-members segregate the batteries contained within the battery pack enclosure into battery groups.
대표청구항▼
1. An energy absorbing and distributing side impact system for a vehicle comprising: a battery pack enclosure mounted between front and rear suspensions of the vehicle, the battery pack enclosure having a first side member attached to a first side sill, and a second side member attached to a second
1. An energy absorbing and distributing side impact system for a vehicle comprising: a battery pack enclosure mounted between front and rear suspensions of the vehicle, the battery pack enclosure having a first side member attached to a first side sill, and a second side member attached to a second side sill; andcross-members integrated into the battery pack enclosure, each of the cross-members extending from the first to the second side member, the cross-members segregating the battery pack enclosure into sections each configured to hold one or more battery modules, each cross-member comprising an upper portion and a lower portion, wherein a spacing between the upper and the lower portions is configured to receive a mounting bracket for at least one of the battery modules, and wherein each of the first and second side sills comprises multiple longitudinal channels, at least an upper longitudinal channel positioned above a vehicle floor panel and at least a lower longitudinal channel positioned below the vehicle floor panel, wherein the first side member is attached to the lower longitudinal channel of the first side sill and the second side member is attached to the lower longitudinal channel of the second side sill. 2. The energy absorbing and distributing side impact system of claim 1, wherein said first side sill is a left side rocker panel, and wherein said second side sill is a right side rocker panel. 3. The energy absorbing and distributing side impact system of claim 1, said first side member of said battery pack enclosure further comprising an extended region mechanically coupled to a first vehicle structural side member lower surface, and said second side member of said battery pack enclosure further comprising an extended region mechanically coupled to a first vehicle structural side member lower surface, and said second side member of said battery pack enclosure further comprising an extended region mechanically coupled to a second vehicle structural side member lower surface. 4. The energy absorbing and distributing side impact system of claim 3, wherein said extended region of said first side member of said battery pack enclosure is bolted using a first plurality of bolts to said first vehicle structural side member lower surface, and wherein said extended region of said second side member of said battery pack enclosure is bolted using a second plurality of bolts to said second vehicle structural side member lower surface. 5. The energy absorbing and distributing side impact system of claim 1, wherein said battery pack enclosure is substantially airtight. 6. The energy absorbing and distributing side impact system of claim 1, wherein each of said cross-members includes at least one cavity extending an entire length of said corresponding cross-member. 7. The energy absorbing and distributing side impact system of claim 6, wherein each of said cross-members is fabricated from extruded aluminum. 8. The energy absorbing and distributing side impact system of claim 6, wherein each of said cross-members is fabricated from an extruded aluminum alloy. 9. The energy absorbing and distributing side impact system of claim 6, wherein each cavity of said at least one cavity corresponding to each cross-member of said cross-members is filled with a high melting temperature, low thermal conductivity material. 10. The energy absorbing and distributing side impact system of claim 6, wherein a liquid is contained within each cavity of said at least one cavity corresponding to each cross-member of said cross-members. 11. The energy absorbing and distributing side impact system of claim 1, wherein said upper portion of each of said cross-members includes at least one cavity extending an entire upper portion length, and wherein said lower portion of each of said cross-members includes at least one cavity extending an entire lower portion length. 12. The energy absorbing and distributing side impact system of claim 1, wherein each of said cross-members is fabricated from a material selected from the group of materials consisting of aluminum, aluminum alloys and steel. 13. The energy absorbing and distributing side impact system of claim 1, wherein the upper and lower portions are joined to each other by a fastener that penetrates a sleeve attached to a panel of the battery pack enclosure. 14. The energy absorbing and distributing side impact system of claim 1, wherein the spacing is configured to receive mounting brackets on each side of the lower portion of the cross-member. 15. The energy absorbing and distributing side impact system of claim 1, wherein each of the first and second side members comprises at least first through fourth lumens, wherein at least the first, second and third lumens are arranged in an essentially vertical configuration, and wherein at least the fourth lumen is arranged outward of the third lumen. 16. The energy absorbing and distributing side impact system of claim 15, wherein the first side member is attached to the first side sill by way of at least one fastener in the fourth lumen. 17. The energy absorbing and distributing side impact system of claim 16, wherein the fastener is oriented vertically in attaching the first side member and the first side sill to each other. 18. The energy absorbing and distributing side impact system of claim 1, wherein the cross-members segregate the battery pack enclosure into full-width sections and at least one other section, each of the full-width sections fitting two battery modules side-by-side in a direction of travel, the other section fitting two stacked battery modules. 19. An energy absorbing and distributing side impact system for a vehicle comprising: a battery pack enclosure mounted between front and rear suspensions of the vehicle, the battery pack enclosure having a first side member attached to a first side sill, and a second side member attached to a second side sill; andcross-members integrated into the battery pack enclosure, each of the cross-members extending from the first to the second side member, the cross-members segregating the battery pack enclosure into sections each configured to hold one or more battery modules, each cross-member comprising an upper portion and a lower portion, wherein a spacing between the upper and the lower portions is configured to receive a mounting bracket for at least one of the battery modules, and wherein the cross-members segregate the battery pack enclosure into full-width sections and at least one other section, each of the full-width sections fitting two battery modules side-by-side in a direction of travel, the other section fitting two stacked battery modules. 20. The energy absorbing and distributing side impact system of claim 19, wherein each of the first and second side sills comprises multiple longitudinal channels, at least an upper longitudinal channel positioned above a vehicle floor panel and at least a lower longitudinal channel positioned below the vehicle floor panel, wherein the first side member is attached to the lower longitudinal channel of the first side sill and the second side member is attached to the lower longitudinal channel of the second side sill.
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