The ornamental design for an electricalengine for a valve, as shown and described.
FIG. 1 is a front perspective view of a design for an electrical engine for a valve according to the present invention.
FIG. 2 is a front view of the electrical engine for a valve of FIG. 1.
FIG. 3 is a back view of the electrical engine for a valve of FIG. 1.
FIG. 4 is a right side view of the electrical engine for a valve of FIG. 1.
FIG. 5 is a left side view of the electrical engine for a valve of FIG. 1.
FIG. 6 is a bottom view of the electrical engine for a valve of FIG. 1; and,
FIG. 7 is a top view of the electrical engine for a valve of FIG. 1.
The solid lines in FIGS. 1-7 illustrate an electrical engine for a valve according to the present invention. The radiating lines for the circumferential ring of the top cylinder that includes the display represent illuminated features. The broken lines in the drawing views are included for the purpose of illustrating portions of the electrical engine for a valve that form no part of the claimed design.