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Fuel system for an engine

A fuel system and engine technology, applied in the direction of charging system, engine components, engine control, etc.

Inactive Publication Date: 2016-10-05
ELECTRO-MOTIVE DIESEL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Although the system of the '822 patent can achieve partial recovery of boil-off gases for use in diesel engines, it is impossible for this system to achieve complete recovery and utilization of boil-off gases

Method used

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  • Fuel system for an engine
  • Fuel system for an engine

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Embodiment Construction

[0011] figure 1 An exemplary fuel system 10 is shown. exist figure 1 In the illustrated embodiment, fuel system 10 is associated with mobile applications, specifically train consist 12 . The train consist 12 may have one or more locomotives 14 and supply cars 16 . Locomotive 14 may be coupled with traction supply vehicle 16 , and supply vehicle 16 may be configured to provide fuel to one or more engines 18 of locomotive 14 via fuel system 10 . It should be noted, however, that fuel system 10 may be associated with other mobile or stationary applications as desired.

[0012] Fuel system 10 may include a number of components and / or subsystems that cooperate to provide vaporized fuel (eg, natural gas) to engine 18 in a regulated manner. In the illustrated embodiment, the fuel system 10 includes a fuel storage tank 20 , a first fuel subsystem 22 configured to generate a first fuel source 24 , and a second fuel subsystem 26 configured to generate a second fuel source 28 .

[0...

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PUM

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Abstract

The invenion discloses a fuel system for an engine.The fuel system may have a tank holding a supply of liquefied fuel and a supply of gaseous fuel boiled off from the liquefied fuel. The fuel system may also have at least one compressor fluidly coupled to the tank for compressing the supply of gaseous fuel and an accumulator fluidly coupled downstream of the at least one compressor for storing the compressed supply of gaseous fuel.

Description

technical field [0001] The present invention relates generally to a fuel system, and more particularly to a fuel system for an engine. Background technique [0002] Gaseous fuel powered engines are common in locomotive applications. For example, a locomotive's engine may be powered by natural gas alone or a mixture of natural gas and diesel. Due to environmental and economic drivers, the primary source of fuel for locomotive engines is changing to liquefied natural gas (LNG). LNG has a lower volumetric energy density than diesel, causing LNG to be stored in separate refueling vehicles. In order to maintain LNG in a liquid state at atmospheric pressure, LNG must be stored in cryogenic insulated storage tanks capable of maintaining the temperature of LNG below -165 degrees Celsius. While much of the LNG remains liquid for up to several weeks without the use of refrigeration, a portion of the LNG in storage tanks may boil off into methane gas as it absorbs heat from the envi...

Claims

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Application Information

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IPC IPC(8): F02M21/02F02D19/02
CPCF02D19/02F02M21/0209F02M21/0215F02M21/0221F02M21/0245F02M21/0287F02M21/0218F02D19/0647F02M21/0224F02M21/06F02M25/08F02M31/20B61C5/00Y02T10/12Y02T10/30
Inventor A·G·福奇
Owner ELECTRO-MOTIVE DIESEL