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US 8,418,440 B2Granted
Apparatus, system, and method for diverting fluid
AssigneeCummins Filtration IP, Inc.
InventorsJohn T. Carroll, III, Laszlo D. Tikk
Life of this patent
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Abstract
A pump component is removed from a port of a suction-side fluid cavity of a high-pressure fluid pump. The pump component performs a pump function for the high-pressure fluid pump. A primary coupler connects to the port. The pump component connects to the primary coupler. A diverter fluid passage diverts a low-pressure fluid from the primary coupler to an auxiliary fluid delivery system. The primary coupler communicates the low-pressure fluid through the pump component and primary coupler to the port.
Claims14
An internal combustion engine system, comprising:
- an internal combustion engine;
- a primary fuel supply system structured to supply a fuel flow to said internal combustion engine for generating mechanical power with said internal combustion engine;
- an emission control system coupled to an exhaust of said internal combustion engine;
- an auxiliary fuel delivery system fluidly disposed between said primary fuel supply system and said emission control system, said auxiliary fuel delivery system structured to receive a continuous flow of a fuel from said primary fuel supply system and provide an intermittent flow of the fuel to said emission control system;
- and
- wherein said primary fuel supply system is structured to supply the fuel flow to said internal combustion engine within flow rate and pressure ranges, and wherein said auxiliary fuel delivery system is adapted to prevent the fuel flow to said internal combustion engine from dropping below said flow rate and pressure ranges.
3 more elements
An emission control system for an internal combustion engine, comprising:
- a catalytic converter in fluid communication with an exhaust of said internal combustion engine;
- an auxiliary fuel delivery system in fluid communication with said catalytic converter and fluidly coupled to a primary fuel supply system of the internal combustion engine, said auxiliary fuel delivery system is structured to receive a continuous flow of fuel from said primary fuel supply system and to provide an intermittent flow of fuel to regenerate said catalytic converter;
- wherein said primary fuel supply system including a fuel pump, wherein said auxiliary fuel delivery system is fluidly disposed between said fuel pump and said catalytic converter;
- and
- wherein said primary fuel supply system including a regulator in fluid communication with said fuel pump, said regulator structured to regulate the fuel flow within flow rate and pressure ranges, wherein said auxiliary fuel delivery system is adapted to prevent the fuel flow to said internal combustion engine from dropping below said flow rate and pressure ranges.
2 more elements
An internal combustion engine system, comprising:
- an internal combustion engine;
- a primary fuel supply system structured to supply a fuel flow to said internal combustion engine for generating mechanical power with said internal combustion engine;
- an emission control system coupled to an exhaust of said internal combustion engine;
- an auxiliary fuel delivery system fluidly disposed between said primary fuel supply system and said emission control system, said auxiliary fuel delivery system structured to receive a continuous flow of a fuel from said primary fuel supply system and provide an intermittent flow of the fuel to said emission control system;
- wherein said auxiliary fuel delivery system including an orifice sized to control a rate of flow received by said auxiliary fuel delivery system;
- wherein said auxiliary fuel delivery system including an accumulator in fluid communication with said orifice, said accumulator structured to store the fuel received from said primary fuel supply system and discharge the fuel for use by said emission control system;
- wherein said auxiliary fuel delivery system including an injector in fluid communication with said accumulator and structured to inject the fuel discharged by said accumulator for use by said emission control system;
- and
- wherein said internal combustion engine including at least one of a fuel pump and a fuel system regulator, further comprising a control module in communication with said at least one of said fuel pump and said fuel system regulator, wherein said auxiliary fuel delivery system injects the fuel to regenerate a catalytic converter in said emission control system in response to a command from said control module.
6 more elements
Dependencies are inferred from the claim text.