Patent ID: 8066488

Claim:
A rotor for turbines having: a disk defining a first diameter of the rotor, said disk comprising: an inner portion comprising connecting means selected from: first connecting means for connecting the disk to a shaft of the turbine; second connecting means for connecting the disk to an axially adjacent disk; and combinations thereof; and an outer portion comprising fixing means for housing a plurality of similar blades; an outer cover defining a second diameter of the rotor greater than the first diameter; wherein each of the blades include a root configured to be coupled to the fixing means and a tip opposite from the root and adjacent to the outer cover; and wherein groups of blades of the plurality of blades are welded together at the tip and individual blades of the plurality of blades are intercalated between and decoupled at the tip from groups of blades, and do not contact the groups of blades at the tip.