The ornamental design for a closedimpellertool, as shown and described.
FIG. 1 is a bottom perspective view of closed impeller tool showing my new design;
FIG. 2 is a front view of the closed impeller tool;
FIG. 3 is a back view of the closed impeller tool;
FIG. 4 is a left side view of the closed impeller tool;
FIG. 5 is a right side view of the closed impeller tool;
FIG. 6 is a bottom view of the closed impeller tool;
FIG. 7 is a top view of the closed impeller tool; and,
FIG. 8 is a perspective view of the closed impeller tool including a phantom closed impeller and pump.
The broken lines in the drawings form no part of the claimed design and the broken lines of the closed impeller and pump of FIG. 8 are illustrative of environment and are not intended to form a part of the claimed design.