| 摘要 |
A helmet and/or helmet liner including at least one compartment, chamber or bladder. The at least one compartment, chamber, or bladder includes a media with at least one magnetorheological fluid. The helmet and/or helmet liner also includes at least one electronic control system that controls the flow resistance of the magnetorheological fluid included in the at least one inner compartment, chamber or bladder. The helmet and/or helmet liner may also include a second compartment, chamber or bladder surrounding another compartment, chamber or bladder, with an internal sipe located between surfaces of the first and second compartments, chambers or bladders. |
