US Patent 10107555 Heat exchanger assembly

An apparatus and method of forming a heat exchanger can include a first manifold that defines a first fluid inlet to the heat exchanger and a second manifold that defines a second fluid inlet to the heat exchanger. A lattice cell body can be provided in the heat exchanger that can form a first set of flow passages and a second set of flow passages. The first and second sets of flow passages can be intertwined with one another.