Proliance International Inc.

Centrum Equities Acquisition, LLC

Transpro, Inc.

Vista-pro Automotive, LLC

Centrum Equitites Acquisition

John A Kolb

John Morais

Lyman J McWain

A serpentine fin for assembly between tubes in a heat exchanger core, and a method of making same from a metal strip. The strip edges have a hem comprising a double thickness of the strip material extending inward from the edge. The metal strip has folds extending across the strip width such that the strip forms a serpentine shape, with the folds being adapted to contact the tubes in the heat exchanger core. Multiple rows of split louvers are disposed between adjacent folds. Each row of split louvers comprises louvers having openings extending in the direction of the strip length and formed in a pair of adjacent, spaced louver banks. Ribs are disposed parallel to the louver openings adjacent the strip edges and in at least one center portion of the strip between the strip edges, and extend across the pair of louver bank.

Heat exchanger fin with ribbed hem

A serpentine fin for assembly between tubes in a heat exchanger core, and a method of making same from a metal strip. The strip edges have a hem comprising a double thickness of the strip material extending inward from the edge. The metal strip has folds extending across the strip width such that the strip forms a serpentine shape, with the folds being adapted to contact the tubes in the heat exchanger core. Multiple rows of split louvers are disposed between adjacent folds. Each row of split louvers comprises louvers having openings extending in the direction of the strip length and formed in a pair of adjacent, spaced louver banks. Ribs are disposed parallel to the louver openings adjacent the strip edges and in at least one center portion of the strip between the strip edges, and extend across the pair of louver banks.

A system for cooling charge air from a turbo- or supercharger and exhaust gas recirculated from an exhaust gas recirculation valve in an internal combustion engine. The system includes a radiator and parallel charge air and exhaust gas heat exchanger units, the charge air heat exchanger unit having aluminum tubes and fins for air cooling the charge air, and the exhaust gas heat exchanger unit having stainless steel tubes and fins. The charge air heat exchanger and the exhaust gas heat exchanger units are each disposed adjacent the radiator, on the same or opposite sides. Alternatively, there is provided a pair of combined charge air cooler and exhaust gas cooler heat exchanger units, with a first heat exchanger unit having stainless steel tubes and fins, and a second heat exchanger unit having aluminum tubes and fins. The heat exchanger units are disposed on opposites sides of the radiator.

Method for cooling an internal combustion engine having exhaust gas recirculation and charge air cooling

A method of manufacturing serpentine fins for assembly between tubes in a heat exchanger core. The method includes providing a flat metal strip and forming in the strip, multiple rows of split louvers. Each row of split louvers has louvers formed in pairs of adjacent, spaced louver banks extending across the width of the strip. Each row includes ribs formed in the strip parallel to the louver openings and extending across the pair of louver banks. The metal strip has unformed portions extending across the strip width between rows of split louvers for forming folds across the width of the strip. After forming the rows of split louvers, pressure is applied to the strip to cause the flat strip to buckle along the unformed portions forming folds in the strip resulting in the serpentine fin. Preferably, the strip has ribs formed both in the center portion and along the edges.

Method for producing a split louver heat exchanger fin

A radiator includes a core for cooling a fluid, and a tank connected to the core having a side surface with a depression extending between the front and rear surfaces adapted to receive a hose and a plurality of integral ribs formed on the tank external surfaces. The radiator further includes an elongated support member having a body portion removably connected to the core and extending along a side thereof, an end portion removably connected to the tank, and a flexible expansion portion permitting relative movement between the body and end portions to reduce stress during thermal expansion and contraction of the core.

Engine cooling radiator

A heat exchanger manifold with improved sealing between the tank and header. The manifold includes a plastic heat exchanger tank having an opening for mating with a header and a lip extending substantially around a periphery of the opening. The lip has an outer surface and an upper surface extending outward of the tank opening, and a ridge extending upward from a portion of the upper surface extending substantially around the tank. The manifold further includes an aluminum heat exchanger header adapted to connect to a heat exchanger core. The header has a groove around the periphery thereof receiving the tank lip and a plurality of plastically deformable tabs extending from an edge of the groove. The tabs are bent inward and contact the ridge on the tank lip to secure the tank to the header.

Heat exchanger manifold sealing system

A combined radiator and charge air cooler package includes a radiator having upper and lower portions for cooling engine coolant and a charge air cooler having upper and lower portions for cooling charge air. The upper charge air cooler portion is disposed in overlapping relationship and adjacent to the upper radiator portion, and the lower charge air cooler portion is disposed in overlapping relationship and adjacent to the lower radiator portion. The upper radiator portion and the lower charge air cooler portion are aligned in a first plane, and the lower radiator portion and the upper charge air cooler portion are aligned in a second plane, behind the first plane. Ambient cooling air may flow in series through the upper radiator portion and the upper charge air cooler portion, and also through the lower charge air cooler portion and the lower radiator portion.

Heat exchanger package with split radiator and split charge air cooler

A combined radiator and charge air cooler package comprises a radiator for cooling engine coolant, and a charge air cooler for cooling charge air having upper and lower portions. The upper charge air cooler portion is disposed in overlapping relationship and adjacent to the upper end of the radiator, and the lower charge air cooler portion is disposed in overlapping relationship and adjacent to the lower end of the radiator, on the face side thereof. Ambient air may flow in series through the upper end of the radiator and the upper charge air cooler portion, and through the lower charge air cooler portion and the lower end of the radiator. The charge air cooler portions are operatively connected such that the charge air may flow between the lower manifold of the upper charge air cooler portion and the upper manifold of the lower charge air cooler portion.

Heat exchanger package with split charge air cooler

A combined radiator and charge air cooler package includes a radiator having upper and lower portions for cooling engine coolant and a charge air cooler having upper and lower portions for cooling charge air. The upper charge air cooler portion is disposed in overlapping relationship and adjacent to the upper radiator portion, and the lower charge air cooler portion is disposed in overlapping relationship and adjacent to the lower radiator portion. The upper charge air cooler portion and the lower radiator portion are aligned in a first plane, and the lower charge air cooler portion and the upper radiator portion are aligned in a second plane, behind the first plane. Ambient cooling air may flow in series through the upper charge air cooler portion and the upper radiator portion, and also through the lower charge air cooler portion and the lower radiator portion.

A heat exchanger package for a motor vehicle includes a radiator and charge air cooler, each having a length between opposite ends and including front and rear opposite faces through which air flows. Each has an overlapping fluid-cooling portion at one end, wherein the rear face at one end of the radiator is disposed adjacent the front face at one end of the charge air cooler, such that the air flows sequentially in series through the overlapping portions of each. Each further has a non-overlapping fluid-cooling portion at the opposite end wherein the rear face at the opposite end of the radiator extends outward of the charge air cooler and the front face at the opposite end of the charge air cooler extends outward of the radiator, such that the air flows singularly and in parallel through each of the non-overlapping portions.

Growing community of inventors

Old Lyme, CT, United States of America

John A Kolb