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Cooling arrangement for system for generating electric power

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Title: Cooling arrangement for system for generating electric power.
Abstract: A cooling arrangement for a system for generating electric power may include at least one heat exchanger configured to cool air entering an engine operably associated with the system. The arrangement may further include a first fan configured to supply air to the at least one heat exchanger, and at least one radiator configured to cool engine coolant. The arrangement may also include a second fan configured to supply air to the at least one radiator. The arrangement may be configured such that air supplied to the at least one radiator is not supplied to the at least one heat exchanger prior to being supplied to the at least one radiator. ...


USPTO Applicaton #: #20090323259 - Class: 361676 (USPTO) - 12/31/09 - Class 361 


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The Patent Description & Claims data below is from USPTO Patent Application 20090323259, Cooling arrangement for system for generating electric power.

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This application claims the benefit of priority under 35 U.S.C. §119(e) of U.S. Provisional Application No. 61/129,417, filed Jun. 25, 2008, the disclosure of which is incorporated herein by reference.

TECHNICAL FIELD

The present disclosure relates to a cooling arrangement, and more particularly, to a cooling arrangement for a system for generating electric power.

BACKGROUND

It may be desirable to generate electric power, for example, in situations in which electric power is not available from an electric power utility source, for example, in remote locations and/or locations experiencing a power outage. This may be accomplished, for example, using electric power generation systems that are configured to generate electric power via operation of one or more internal combustion engines to drive an electric machine configured to convert mechanical energy supplied by the one or more engines into electric power.

Such power generation systems may be configured to facilitate transport of the power generation system to a location where such power generation is desired. Some such systems may be housed in, for example, a container such as a trailer, and operation of the engine(s) and/or electric machine results in accumulation of heat. Thus, it may be desirable to prevent an accumulation of heat within the container in order to improve operation of the power generation system. Further, some engines used for power generation systems may include one or more turbochargers, and it may be desirable to cool the air supplied to the one or more turbochargers in order to improve the efficiency of the turbochargers and/or reduce the emissions associated with operation of the engine. Some systems may use a heat exchanger to reduce the temperature of air supplied to the turbochargers, but such heat exchangers, for example, when installed in a container with the engine, may result in increasing the temperature inside the container. For example, heat exchangers may be located between an engine and a radiator for cooling engine coolant, and air flowing to the radiator may be already heated to a higher temperature via the heat exchanger before reaching the radiator. This may reduce the cooling effectiveness of the radiator. Therefore, it may be desirable to provide a power generation system with a cooling arrangement that reduces the effects of a heat exchanger located in a container housing at least the engine of a power generation system.

A portable power module is disclosed in U.S. Pat. No. 7,007,966, issued to Campion (“the \'966 patent”). The \'966 patent discloses air ducts for a portable power module trailerable over public roads. The portable power module includes a shipping container housing a gaseous fuel motor drivably connected to an electrical generator. The \'966 patent discloses air ducts positioned on a side of the container, which introduce ambient air into the container for cooling of the motor and the generator and for combustion in the motor. The power module disclosed in the \'966 patent may not, however, be provided with sufficient and/or efficient cooling.

The systems and methods described in an exemplary manner in the present disclosure may be directed to mitigating or overcoming one or more of the drawbacks set forth above.

SUMMARY

In one aspect, the present disclosure includes a cooling arrangement for a system for generating electric power. The cooling arrangement may include at least one heat exchanger configured to cool air entering an engine operably associated with the system. The arrangement may further include a first fan configured to supply air to the at least one heat exchanger, and at least one radiator configured to cool engine coolant. The arrangement may also include a second fan configured to supply air to the at least one radiator. The arrangement may be configured such that air supplied to the at least one radiator is not supplied to the at least one heat exchanger prior to being supplied to the at least one radiator.

According to a further aspect, a system for generating electric power may include an engine configured to output mechanical power, and an electric machine configured to convert mechanical power into electric power, the electric machine being operably coupled to the engine. The system may further include at least one heat exchanger configured to cool air entering the engine and at least one radiator configured to cool engine coolant. The system may be configured such that air flowing through the radiator is not passed through the heat exchanger prior to reaching the radiator.

According to another aspect, a method for improving cooling effectiveness of a radiator operably associated with a system for generating electric power may include providing a first flow of air to at least one heat exchanger operably associated with an air intake of an engine, and providing a second flow of air to the radiator, wherein the second flow of air has not been heated by exposure to the at least one heat exchanger.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic, partial cutaway plan view of an exemplary embodiment of a system for generating electric power.

FIG. 2 is a schematic, partial cutaway elevation view of the exemplary embodiment shown in FIG. 1.

FIG. 3 is a schematic, partial cutaway perspective view of an exemplary embodiment of a system for generating electric power.

FIG. 4 is a schematic, partial section view of an exemplary embodiment of a partition.

DETAILED DESCRIPTION

FIGS. 1 and 2 show an exemplary embodiment of a system 10 for generating electric power. System 10 may include an engine 12 configured to supply mechanical power and an electric machine 14 operably coupled to engine 12 and configured to convert mechanical power into electric power. Engine 12 may be any internal combustion engine, including a spark-ignition engine, a compression ignition engine, a homogeneous-charge compression-ignition engine, and/or a gas turbine engine. Engine 12 may be configured to run on any fuel, such as, for example, gasoline, diesel fuel including bio-diesel fuel, natural gas, ethanol, methanol, hydrogen, and/or any combinations thereof. Other types of engines and fuels are contemplated. Electric machine 14 may be any type of electric generator known to those skilled in the art. For example, electric machine 14 may include a three-phase AC synchronous generator.

System 10 may further include power load connections 16 configured to facilitate supply of electric power generated by system 10 to any device or system that receives input of a source of electric power, such as, for example, a power grid. According to some embodiments, a number of systems 10 may be coupled to one another and/or used together to supply additional electric power.



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stats Patent Info
Application #
US 20090323259 A1
Publish Date
12/31/2009
Document #
12217875
File Date
07/09/2008
USPTO Class
361676
Other USPTO Classes
16510431, 16510433
International Class
/
Drawings
3


Anger
Coolant
Radiator


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