Gm global technology operations llc (20250006969). IMPACT ENERGY ATTENUATION SYSTEM FOR A FUEL CELL
IMPACT ENERGY ATTENUATION SYSTEM FOR A FUEL CELL
Organization Name
gm global technology operations llc
Inventor(s)
Siguang Xu of Rochester Hills MI US
Purushothama Siddappaji of Bengaluru IN
IMPACT ENERGY ATTENUATION SYSTEM FOR A FUEL CELL
This abstract first appeared for US patent application 20250006969 titled 'IMPACT ENERGY ATTENUATION SYSTEM FOR A FUEL CELL
Original Abstract Submitted
a bipolar plate for a fuel cell system includes a rigid plate having a first side defining first passages, a second side defining second passages, a seal bead, and a peripheral edge; and an impact energy attenuation system. the seal bead is arranged proximal to the peripheral edge of the rigid plate, and the impact energy attenuation system is disposed proximal to the peripheral edge. the impact energy attenuation system includes first energy attenuating beads and second energy attenuating beads, wherein each of the first energy attenuating beads has a first compression modulus and a first zero-compression height, and wherein each of the second energy attenuating beads has a second compression modulus and a second zero-compression height. the first compression modulus is greater than the second compression modulus, and the second zero-compression height is greater than the first zero-compression height.