Abstract: A cooling system comprises a cooler with a hot-side passage extending between hot-side inlet and outlets. The cooler further includes a cooling passage extending between cold-side inlet and outlets. A cooling medium is disposed within the cooling passage, and is in contact with the hot-side passage to reduce the temperature of the gas or liquid passing through the hot-side passage. The cooling system is configured to regulate the condition of the cooling medium within the cooler to reduce/eliminate unwanted boiling of the cooling medium being within the cooler. The cooling system can include controller that provides an output signal in response to a detected condition of the cooling medium, and a device that receives the output signal and changes the operation of the cooling system and/or operation of an internal combustion engine to reduce the occurrence of unwanted cooling medium boiling within the cooler.

Abstract: A charge air cooler with an integral precooler is disclosed which cools charge air by using both liquid coolant and air coolant. The charge air path is not affected by the use of the liquid coolant. The charge air cooler disclosed can cool particularly hot charge air without a significant drop in pressure.

Abstract: A heat exchanger for use in connection with engine cooling systems is disclosed herein. The heat exchanger is typically considered a heat exchanger and comprises a plurality of rows of tubes, a pair of headers secured to the ends of the tubes in a mechanical and brazed joint for providing improved vibration and torsional stress resistance and improved durability. More specifically, the tube include a plurality of dimples or tabulators arranged in opposed or non opposed relation agitate the fluid about the primary heat transfer axis to facilitate heat transfer from the hot fluid to the tube wall.

Abstract: A heat exchanger comprising a multiplicity of longitudinally extending flattened tube structures disposed in a longitudinal coextensive array with fin structures bonded in abutting relation between adjacent pairs of tube structures. First and second header assemblies are connected with first and second end portions respectively of each tube structure and provide a fluid inlet for receiving a first fluid for passage through the tube structures during the passage of a second fluid through the fin structures. The first fluid passes from the second header assembly through a fluid outlet.

Abstract: Fittings for the mounting of a radiator to the metalwork of an automotive vehicle, or for mounting attachments such as fan shrouds or cooling fans, are suitably positioned within the core of the radiator and attached in position during the bonding cycle for the radiator assembly or adhesively joined to the radiator core after the bonding cycle.

Abstract: A heat exchanger utilizing a tube and fin core or a plate-fin separator wherein a plurality of tubes or plates are arranged in one or more rows with either corrugated fins between the tubes or a stack of horizontal split plate fins have openings receiving the tubes. The fins overhang the row or rows of tubes at the leading and/or trailing edges and have louvres formed therein, with the louvres in the overhanging portion being progressively shortened from the outer edge of the fin. In addition, the louvre at the leading and/or trailing edge of the fin is oriented substantially parallel to the fin surface and the direction of bulk air flow through the core.

Abstract: A multiple fluid heat exchanger having a unitary construction and formed of a stack of dished plates to form at least two fluid passages within the heat exchange elements formed by the plates and passages for a third fluid formed between at least some of the elements. The stack of plates are adapted to be simultaneously bonded together by a brazing or soldering operation, with the stack including at least one set of dished plates joined at their peripheries to form first and second fluid passages in a first set heat exchange elements, with the third fluid passages being formed in a second set of heat exchange elements. One set of heat exchange elements may have spaced fluid passages with corrugated heat exchange fins between the fluid passages to provide transverse passages for a cooling fluid, such as air. Additional arrangements of the sets of elements may be utilized for a fourth and/or fifth fluid.

Abstract: An interplate inlet, outlet or other suitable fitting for use in a closely stacked plate heat exchanger which allows the placement of the fitting between the plates at any point along the length of the inlet or outlet header tank formed by the heat exchange plates. The fitting includes a pair of oppositely disposed facing substantially identical plates providing bubbles aligned with the bubbles at the ends of the heat exchanger plates and opening into a laterally extending conduit to be joined to a fluid hose or to receive appropriate fittings to receive a sensor or having internal threads to receive an externally threaded fitting.