Other

Modine Manufacturing Company

Nucellsys Gmbh

Modine Manufacturing

Frank Nelson Jarrett

Mark G Voss

John E Munch, Jr

Gerhard M Schmidt

Nicholas R Siler

Systems and methods for a temperature control loop in a vehicular engine compartment to concurrently cool at least two devices with a single fluid supply source when each device requires the cooling supply fluid to have a distinct temperature. The supply fluid, having a first temperature, can be simultaneously routed through a primary heat exchanger and a mixing valve. The primary heat exchanger cools the first temperature fluid to produce a second temperature fluid. The mixing valve controllably receives at least some of the first temperature fluid and some of the second temperature fluid discharged from the primary heat exchanger and mixes the respective fluids to produce a third temperature fluid. The second temperature fluid not diverted to the mixing valve is used to cool a first device located downstream of the primary heat exchanger. The third temperature fluid is used to cool a second device located downstream of the mixing valve.

Systems and methods for controlling cooling fluid temperature in a fuel cell engine

Fan horsepower requirements and the size of power train heat exchangers may be reduced in a vehicular cooling system that includes an inlet ( ) for the receipt of ambient air and first and second heat exchangers ( ), ( ) in proximity to the inlet ( ) to receive ambient air therefrom and which are respectively adapted to receive first and second heat exchanger fluids by the ambient air. The first and second heat exchangers ( ), ( ) are in side by side, substantially non superimposed relation to define first and second air flow paths ( ) extending in fluid flow parallel to a respective one of the heat exchangers ( ), ( ) from the inlet ( ) to points ( ), ( ), ( ) of discharge. A fan ( ) flows air from the inlet ( ) through the flow paths ( ) and a shutter ( ) is located in one of the flow paths ( ) and is movable between first and second positions respectively restricting air flow and allowing relatively unrestricted air flow. An actuator ( ) provided for moving the shutter ( ) between the positions and a control ( ) is provided for the actuator ( ) which is responsive to power train and air conditioning system operating conditions.

Vehicular cooling system

An improved turbulator and conduit structure for use in heat exchangers. An elongated tube through which fluid to be subject to a heat exchange process is provided with a first outer winding within the tube in substantial abutment with the inner wall of the tube and a second inner winding at least partially within the first winding. The pitch of the first winding is different from the pitch of the second winding. Consistent heat exchange at extremely low Reynolds numberes is obtainable with the structure. Also disclosed is a method of making such a turbulator and conduit structure.

Mixed helix turbulator for heat exchangers

Growing community of inventors

Racine, WI, United States of America

Frank Nelson Jarrett