US Patent 7677052 Systems for improved passive liquid cooling

According to some embodiments, systems for improved passive liquid cooling may be provided. In some embodiments, a system may comprise an evaporator and a condenser. According to some embodiments, the evaporator may comprise a first side to receive heat, a second side, and one or more fins protruding from the second side. In some embodiments, the condenser may comprise an inner surface defining a cavity and one or more grooves, a first end coupled to the evaporator such that the one or more fins of the evaporator are disposed within the cavity, and a second end, wherein the one or more grooves extend at least partially between the first and second ends of the condenser.