A technique to additively print onto a dissimilar material, especially ceramics and glasses (e.g., semiconductors, graphite, diamond, other metals) is disclosed herein. The technique enables manufacture of heat removal devices and other deposited structures, especially on heat sensitive substrates. It also enables novel composites through additive manufacturing. The process enables rapid bonding, orders-of-magnitude faster than conventional techniques.

The present invention is related to a heat exchanging apparatus and a semiconductor refrigerator having the heat exchanging apparatus. Specifically, the present invention provides a heat exchanging apparatus comprising one or more sintered heat pipes. Each sintered heat pipe comprises a main pipe with both ends closed and having a first pipe segment and a second pipe segment, wherein the first pipe segment is configured to connect a heat or cold source, and one or more manifolds for radiating heat or transferring cold extend from one or more portions of the second pipe segment of the main pipe respectively. In addition, the present invention provides a semiconductor refrigerator having the heat exchanging apparatus.

The present invention is related to a semiconductor refrigerator. The semiconductor refrigerator comprising a semiconductor cooling plate and a hot end heat radiating device, wherein the hot end heat radiating device comprises multiple sintered heat pipes, each having a main pipe with both ends closed, wherein the main pipe comprises a first pipe segment thermally connected with a hot end of the semiconductor cooling plate, and a second pipe segment, which is located above the first pipe segment, and from whose one or more portions extend one or more manifolds to radiate heat from the hot end of the semiconductor cooling plate to an ambient environment.

A heat exchanger includes a body, a plurality of first flow channels defined in the body; and a plurality of second flow channels defined in the body. The second flow channels are fluidly isolated from the first flow channels. The first flow channels and second flow channels are arranged in a checkerboard pattern.

A turbine engine system includes a heat source, a heat exchanger, a cooling medium inlet and a cooling medium outlet. The heat source includes a first passage. The heat exchanger includes a second passage and a third passage. The first and the second passages are configured in a closed loop circuit. The third passage is configured between the inlet and the outlet in an open loop circuit.

A heat pipe includes a container in which a corrugated portion is formed, the container having a hollow portion formed therein that is sealed, a wick structure provided on an inner peripheral surface of the hollow portion and a working fluid enclosed in the hollow portion. The wick structure has a vapor channel penetrating therethrough in a longitudinal direction of the hollow portion, the wick structure producing a capillary force. The wick structure is a sintered body of a powder metal material and projected into a crest portion of the corrugated portion. The wick structure is provided at a region in the crest portion of the corrugated portion and at a position of a trough portion of the corrugated portion.

A technique to additively print onto a dissimilar material, especially ceramics and glasses (e.g., semiconductors, graphite, diamond, other metals) is disclosed herein. The technique enables manufacture of heat removal devices and other deposited structures, especially on heat sensitive substrates. It also enables novel composites through additive manufacturing. The process enables rapid bonding, orders-of-magnitude faster than conventional techniques.

A heat exchanger has an outer shell enclosing an inner chamber and extending between a first inlet and a first outlet. The chamber receives a separating wall. The shell extends between axial ends, and generally along a helix. The helix is defined with the wall moving in a continuous manner along a first axial direction and with a circumferential component between the first inlet and the first outlet. A plurality of tubes extend through openings in the separating wall and generally along a helix. The plurality of tubes extend from a second inlet and a second outlet, and with the helix defined along the first axial direction and with a component in a circumferential direction. A method and a temperature control system are also disclosed.

In some embodiments, a refrigeration device includes: walls substantially forming a liquid-impermeable container configured to hold phase change material internal to the refrigeration device; at least one active refrigeration unit including a set of evaporator coils positioned at least partially within the liquid-impermeable container; a unidirectional thermal conductor with a condensing end and an evaporative end, the condensing end positioned within the liquid-impermeable container; a first aperture in the liquid-impermeable container, the first aperture of a size, shape and position to permit the set of evaporator coils to traverse the aperture; a second aperture in the liquid-impermeable container, the second aperture including an internal surface of a size, shape and position to mate with an external surface of the unidirectional thermal conductor; and one or more walls substantially forming a storage region in thermal contact with the evaporative end of the unidirectional thermal conductor.

An additively manufactured component is provided. The additively manufactured component includes an additively manufactured first part defining a first trench, an additively manufactured second part defining a second trench and a fiber optic sensor. The additively manufactured first and second parts are additively manufactured together with the first and second trenches corresponding in position such that the additively manufactured first and second parts form an assembled part with a fiber channel cooperatively defined by the first and second trenches. The fiber optic sensor includes a first sensor part embedded in the fiber channel and a second sensor part operably coupled to the first sensor part and extendible at an exterior of the assembled part.