Subassembly of a vehicle safety system, vehicle safety system, vehicle safety device and method of manufacturing a subassembly of a vehicle safety system
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B60R-021/01
B60R-021/217
B60R-021/00
B05D-001/02
출원번호
US-0154049
(2016-05-13)
등록번호
US-10259415
(2019-04-16)
우선권정보
DE-10 2015 006 898 (2015-06-03)
발명자
/ 주소
Englbrecht, Karl
Kolbin, Vadim
Gabler, Michael
Tautschnig, Georg
출원인 / 주소
TRW AIRBAG SYSTEMS GmbH
대리인 / 주소
Tarolli, Sundheim, Covell & Tummino L.L.P.
인용정보
피인용 횟수 :
0인용 특허 :
47
초록▼
The invention relates to a subassembly (10) of a vehicle safety system comprising a tubular casing (20) and comprising a fastening element (30) that includes at least one fastening hole (13) and a peripheral portion (31) curved at least in portions, wherein the peripheral portion (31) is connected a
The invention relates to a subassembly (10) of a vehicle safety system comprising a tubular casing (20) and comprising a fastening element (30) that includes at least one fastening hole (13) and a peripheral portion (31) curved at least in portions, wherein the peripheral portion (31) is connected at least at one connecting point (11) to the tubular casing (20). In accordance with the invention, the peripheral portion (31) includes at least one breakthrough (40) and a coating passage (17) is formed at least in portions between the peripheral portion (31) and the casing (20), wherein the tubular casing (20) includes at least in portions, especially on its entire exposed surface (21), an anti-corrosion layer and/or the fastening element (30) includes at least in portions, especially on its entire exposed surface (32), an anti-corrosion layer.
대표청구항▼
1. A subassembly (10) of a vehicle safety system comprising: a tubular casing (20); anda fastening element (30) that includes at least one fastening hole (13) and a peripheral portion (31) curved at least in portions, the fastening element (30) further including first and second fastening flanges (1
1. A subassembly (10) of a vehicle safety system comprising: a tubular casing (20); anda fastening element (30) that includes at least one fastening hole (13) and a peripheral portion (31) curved at least in portions, the fastening element (30) further including first and second fastening flanges (12, 12′) positioned on opposite sides of the casing (20), each of the first and second fastening flanges (12, 12′) including at least one fastening hole (13, 13′) for receiving a fastening member to secure the fastening element (30) to a vehicle body,wherein the peripheral portion (31) is connected at least at one connecting point (11) to the tubular casing (20) such that the tubular casing (20) engages the fastening element (30) only at the at least one connecting point (11) with no portion of the fastening element (30) extending entirely around the tubular casing (20), wherein the peripheral portion (31) includes at least one breakthrough (40) and that between the peripheral portion (31) and the casing (20) a coating passage (17) is formed at least in portions, wherein at least one of the tubular casing (20) and the fastening element (30) includes an anti-corrosion layer at least in portions on its exposed surface (21, 32). 2. The subassembly (10) according to claim 1, wherein the peripheral portion (31) is curved in the radial circumferential direction (UR) of the casing (20) so that the peripheral portion (31) surrounds the casing (20) at a distance at least in portions so as to form the coating passage (17). 3. The subassembly (10) according to claim 1, wherein at least one connecting point (11) is a weld spot or a weld seam. 4. The subassembly (10) according to claim 1, wherein the peripheral portion (31) includes an inner surface (33) facing the casing (20) and an outer surface (34) facing away from the casing (20), wherein the at least one breakthrough (40) is formed in the peripheral portion (31) from the outer surface (34) to the inner surface (33) and wherein the at least one breakthrough (40) is not configured as a fastening hole for fastening the subassembly (10) to a component fixed to the vehicle. 5. The subassembly (10) according to claim 4, wherein the thickness of the coating passage (17) extending in the longitudinal direction (L) of the casing (20), measured as distance between the inner surface (33) of the peripheral portion (31) and a surface portion (22) of the casing (20) facing the peripheral portion (31), amounts to 0.5-2.0 mm. 6. The subassembly (10) according to claim 1, wherein the at least one breakthrough (40) includes a cross-sectional surface the size of which amounts to at least 30% of the surface of the peripheral portion (31). 7. The subassembly (10) according to claim 1, wherein the fastening element (30) comprises transitional portions (15, 15′) configured between each fastening flange (12, 12′) and the peripheral portion (31). 8. The subassembly (10) according to claim 7, wherein the second fastening flange (12′) includes a fastening slot (14), wherein planes of extension (E; E1) of the fastening flanges (12, 12′) extend substantially in parallel to each other. 9. A vehicle safety system comprising a subassembly (10) according to claim 1. 10. A vehicle safety device for protecting a pedestrian or for protecting a vehicle occupant comprising a vehicle safety system including a subassembly (10) according to claim 1, and further comprising an electronic control unit by means of which the vehicle safety system can be activated upon occurrence of a release situation. 11. The subassembly (10) according to claim 1, wherein the anti-corrosion layer is on the entire exposed surface (21, 32) of at least one of the tubular casing (20) and the fastening element (30). 12. The subassembly (10) according to claim 1, wherein the tubular casing (20) is an inflator or an outer actuator casing. 13. The subassembly (10) according to claim 1, wherein the at least one breakthrough (40) comprises plural breakthroughs (40c, 40d) each of which includes a substantially rectangular cross-sectional surface, wherein the lengths (43) of all rectangular cross-sectional surfaces point in the radial circumferential direction (UR) of the casing (20) or in the longitudinal direction (L) of the casing (20). 14. The subassembly (10) according to claim 1, wherein the at least one breakthrough (40) comprises two first breakthroughs (40e) that include a cross-sectional surface substantially in the form of a pentagon and two second breakthroughs (40f) that include a cross-sectional surface substantially in the form of a rectangle, the two first breakthroughs (40e) and the two second breakthroughs (40f) extending within planes that face each other. 15. A vehicle safety system comprising at least one of hood stays and an inflator for an airbag module, and further comprising a subassembly (10) according to claim 1. 16. The subassembly according to claim 1, wherein the at least one connecting point comprises a plurality of discrete, spaced apart weld spots between the casing and the fastening element. 17. The subassembly according to claim 1, wherein the at least one connecting point comprises multiple connecting points with every connecting point on the fastening element being positioned on a single side of the casing. 18. A method of manufacturing a subassembly (10) of a vehicle safety system comprising a tubular casing (20) and a fastening element (30) which includes at least one fastening hole (13, 13′) and a peripheral portion (31) curved at least in portions, comprising the steps of: forming at least one breakthrough (40) in the peripheral portion (31) of the fastening element (30),connecting the peripheral portion (31) to the tubular casing (20) at least at one connecting point (11) so that a coating passage (17) is configured at least in portions between the peripheral portion (31) and the tubular casing (20) and such that the tubular casing (20) engages the fastening element (30) only at the at least one connecting point (11) with no portion of the fastening element (20) extending entirely around the tubular casing (20), with first and second fastening flanges (12, 12″) of the fastening element (30) being positioned on opposite sides of the casing (20), each of the first and second fastening flanges (12, 12′) including the at least one fastening hole (13, 13′) for receiving a fastening member to secure the fastening element (30) to a vehicle body,coating at least a portion of the exposed surface (21; 32) of the tubular casing (20) and/or the fastening element (30) with an anti-corrosion layer,wherein the peripheral portion (31) is welded and/or bonded at least at one connecting point (11) to the tubular casing (20), and wherein the anti-corrosion layer of the tubular casing (20) and/or of the fastening element (30) is applied by galvanic coating and/or spray-coating and/or painting. 19. The method of claim 18 further comprising applying the anti-corrosion layer through the at least one breakthrough to coat portions of at least one of the exposed surfaces encircling the at least one connecting point. 20. The method according to claim 18, wherein the step of connecting the fastening portion to the tubular casing comprises welding the peripheral portion to the tubular casing at a plurality of connecting points such that the fastening portion only engages the tubular casing at the connecting points. 21. The method of claim 18, wherein the at least one connecting point comprises multiple connecting points with every connecting point on the fastening element being positioned on a single side of the casing. 22. A subassembly of a vehicle safety system comprising: a tubular casing; anda fastening element that includes at least one fastening hole and a curved peripheral portion including a plurality of breakthroughs in the form of one of circular and triangular holes,the peripheral portion being secured to the tubular casing by at least one connecting point such that the fastening element only engages the tubular casing at the at least one connecting point and is otherwise radially spaced from the tubular casing by a coating passage with no portion of the fastening element extending entirely around the tubular casing, wherein an exposed surface of at least one of the tubular casing and the fastening element is covered with an anti-corrosion layer. 23. The subassembly (10) according to claim 22, wherein the triangular breakthroughs (40b) have triangular cross-sectional surfaces arranged so that the points (41) of the triangular cross-sectional surfaces are facing toward each other and lands (50a) are formed between the breakthroughs. 24. The subassembly according to claim 22, wherein the at least one connecting point comprises a plurality of discrete, spaced apart weld spots between the casing and the fastening element. 25. The subassembly according to claim 22, wherein the fastening element includes first and second flanges positioned on opposite sides of the casing, each of the first and second flanges including at least one fastening hole for receiving a fastening member to secure the fastening element to a vehicle body. 26. The subassembly according to claim 22, wherein the at least one connecting point comprises multiple connecting points with every connecting point on the fastening element being positioned on a single side of the casing.
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이 특허에 인용된 특허 (47)
Fontecchio Robert P. (Rochester Hills MI) Ennis Thomas A. (Mt. Clemens MI) Musiol John A. (Southfield MI) Medvedik Douglas E. (Lake Orion MI) Paglia Nicola F. (Shelby Township ; Morris County MI), Air bag inflator assembly.
Bachelder Theodore J. (Romeo MI) Klena ; II Thomas J. (Troy MI) Maurer Steven W. (Fraser MI) Modlin Ronald R. (Romeo MI) Puckett James T. (Mt. Clemens MI) Stepnick John E. (Romeo MI) Synor Jeffrey C., Inflator mounting system.
Wenzel, Edward J.; Van Jaarsveld, Robert; Widin, Ronald; Bertucci, Joseph A.; Kowalski, Gregory J., Integrated structural member for a vehicle and method of making.
Frings Adam (Essen DEX) Prange Wilfried (Dinslaken DEX), Process for the production of a shaped parts from pieces of sheet metal of different thicknesses.
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