US Patent 11440145 Disk stack repair insert

Example aspects of a disk stack repair insert, a repaired disk stack, and a method for repairing a disk stack are disclosed. The disk stack repair insert can comprise a first replacement disk segment defining a first groove pattern comprising first grooves; and a second replacement disk segment defining a second groove pattern comprising second grooves, the first replacement disk segment coupled to the second replacement disk segment, wherein the first groove pattern and the second groove pattern define a fluid passageway therebetween.