US Patent 11925946 Fluid delivery wand

Various aspects include devices, systems, and methods for cooling electronic equipment immersed in an immersion coolant tank with a fluid delivery wand. The fluid delivery wand may include a coolant conduit and an aperture cover. The coolant conduit may extend from a support base of the immersion coolant tank. The coolant conduit may include a lumen configured to receive dielectric fluid, wherein the coolant conduit includes at least one conduit aperture extending through a sidewall of the coolant conduit. The aperture cover may be in sliding engagement with an outer surface of the sidewall of the coolant conduit. The aperture cover may be configured to selectively restrict flow of dielectric fluid through the at least one conduit aperture by sliding along the outer surface of the outer of the sidewall.