US 12,251,919 B2
Electric vehicle battery pack cover having composite structure
Nathaniel C. Wynn, Tustin, CA (US); Tyler Collins, Irvine, CA (US); Kyle Butterfield, Rancho Santa Margarita, CA (US); Kai Yamamoto, Irvine, CA (US); and Vignesh Sekar, Westland, MI (US)
Assigned to Rivian IP Holdings, LLC, Plymouth, MI (US)
Filed by Rivian IP Holdings, LLC, Plymouth, MI (US)
Filed on Nov. 8, 2019, as Appl. No. 16/678,310.
Claims priority of provisional application 62/760,554, filed on Nov. 13, 2018.
Prior Publication US 2020/0152926 A1, May 14, 2020
Int. Cl. B32B 5/02 (2006.01); B32B 5/26 (2006.01); B32B 15/14 (2006.01); B32B 15/20 (2006.01)
CPC B32B 5/028 (2013.01) [B32B 5/26 (2013.01); B32B 15/14 (2013.01); B32B 15/20 (2013.01); B32B 2255/10 (2013.01); B32B 2255/26 (2013.01); B32B 2264/102 (2013.01); B32B 2307/3065 (2013.01); B32B 2307/536 (2013.01); B32B 2307/584 (2013.01); B32B 2457/10 (2013.01); H01M 2220/20 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A cover for an electric vehicle battery pack having a frame defining an interior space within for receiving one or more batteries, the cover comprising:
a shear panel having a fiber reinforced composite layer;
a metallic layer affixed to the shear panel; and
a mica layer directly contacting the metallic layer so as to face the interior space and the batteries when the shear panel is coupled to the frame.