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Gas feed method for a gas engine or dual-fuel engine, and gas supply apparatus for same

A dual-fuel engine, gas engine technology, applied in combustion engines, internal combustion piston engines, oil supply devices, etc., can solve the problems of expensive, unoptimized supply of internal combustion engines, inaccurate gas dosing, etc., and achieve accurate gas dosing. amount of effect

Active Publication Date: 2019-05-03
汉堡-哈尔堡工业大学
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Correspondingly costly and maintenance-intensive are the barometric sections known in the prior art, on which the reliability of gas or dual-fuel engines also depends
Overall, it was therefore determined that the gas metering via the gas control section with the regulated differential pressure causes inaccuracies and thus does not result in an optimized supply of the internal combustion engine

Method used

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  • Gas feed method for a gas engine or dual-fuel engine, and gas supply apparatus for same
  • Gas feed method for a gas engine or dual-fuel engine, and gas supply apparatus for same
  • Gas feed method for a gas engine or dual-fuel engine, and gas supply apparatus for same

Examples

Experimental program
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Effect test

Embodiment Construction

[0040] exist figure 1 A test rig is shown in , with which the flow characteristics of the gas valve 1 to be used can be determined. The test rig includes a measuring path into which the gas valve 1 is first fitted in the closed state and then loaded with a defined source pressure and drop pressure. It should be noted here that the source pressure and the drop pressure (that is to say the pressure situation at the valve) always correspond to values ​​which also occur during actual engine-driven operation. The reduced pressure corresponding to the loading air pressure is here typically at 1 bar abs and 6 bar abs In the range between, while the source pressure corresponds to the (reduced) tank pressure of the gas tank minus the system pressure loss. Typical tank pressure is max 10 bar abs , of course this can also vary. For different pressure situations, gas temperatures and opening durations, the valve is now open and the flow rate is determined measuring-technically. The ...

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Abstract

The invention relates to a gas feed method for a gas engine or dual-fuel engine in which combustion gas (G) is burned with combustion air (L), wherein a gas valve (1) for the feed of combustion gas (G) into the combustion air (L) is arranged upstream of the gas engine or dual-fuel engine,characterized in that the combustion gas (G) is fed in uncontrolled fashion to the gas valve (1) independently of the operating state of the gas engine or dual-fuel engine. The invention furthermore relates to a gas supply apparatus for a gas engine or dual-fuel engine in which combustion gas (G) is burnedwith combustion air (L), having a pressurized gas source and having a gas feed (10) to the gas engine or dual-fuel engine, wherein a gas valve (1) for the feed of combustion gas (G) into the combustion air (L) is arranged in the gas feed (10) upstream of the gas engine or dual-fuel engine, characterized in that control of the gas pressure in a manner dependent on the operating state of the gas engine or dual-fuel engine is not provided upstream of the gas valve (1).

Description

technical field [0001] The invention relates to a gas delivery method for a gas or dual-fuel engine, wherein combustion gases are combusted in the gas or dual-fuel engine with combustion air, wherein a gas valve is arranged upstream of the gas or dual-fuel engine, For conveying combustion gas into combustion air. Furthermore the invention relates to a gas supply device for a gas engine or a dual fuel engine, wherein combustion gases are combusted in the gas engine or dual fuel engine with combustion air, said gas supply device comprising a pressurized gas source and Gas feed to a gas or dual fuel engine, wherein a gas valve for feeding combustion gas into the combustion air is arranged in the gas feed upstream of the gas or dual fuel engine. Background technique [0002] Gas engines or dual-fuel engines additionally have gas valves in addition to the intake valves and exhaust valves assigned to each cylinder, whereby the combustion gases conveyed via the gas lines are kept ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02D41/00F02D19/02F02D19/06F02M21/02
CPCF02M21/0272F02M21/0239F02D19/022F02D19/0605F02D41/0025F02D2200/0602F02D2200/0606F02M21/0278F02D41/0027Y02T10/30
Inventor F·维尔茨T·潘滕
Owner 汉堡-哈尔堡工业大学
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