An insurance company is not obligated to pay accidental death benefits to the widow of a man who died while engaging in a risky sex act, a divided federal appeals court ruled.Splitting 2-1, the 7th U.S. Circuit Court of Appeals this week held Linno Llenos’ death resulted from an intentionally self-inflicted injury that was excluded from coverage under riders to his group insurance policies.Llenos strangled himself while performing autoerotic asphyxiation, the act of intentionally cutting off oxygen to the brain for …