Rivian Automotive, Inc.
FILTER SYSTEM FOR COOLANT

Abstract:

A reservoir system for liquid cooling includes an inner volume, with one or more inlet ports and one or more outlet ports for directing a flow of coolant. The reservoir system includes an opening, covered by a cap, that can receive a filter for filtering the coolant. The filter is sealed against an inner surface of the reservoir, wherein fluid flows through the filter element, and wherein the filter element is removable through the opening. The reservoir system includes a by-pass that directs a portion of flow from the inlet to the outlet, before or after the filter, while another portion of the flow traverses the inner volume for de-gassing. The relatively larger inner volume with corresponding lower velocities allows bubbles to escape to a freeboard region, thus de-gassing the coolant. The by-pass may be internal to, external to, integrated with, or a combination thereof, the reservoir.