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Dual fuel injector

A fuel injector, injector technology, applied in the direction of fuel injection device, liquid fuel feeder, charging system, etc.

Active Publication Date: 2017-09-26
L'ORANGE GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This can disadvantageously result in a type of operation with limited motor power

Method used

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  • Dual fuel injector
  • Dual fuel injector
  • Dual fuel injector

Examples

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Embodiment Construction

[0036] In the ensuing description and figures, elements with identical or comparable functions are assigned the same reference signs.

[0037] figure 1 A dual fuel-fuel injector (dual fuel nozzle or dual fuel injector) 1 according to the invention is shown as an example and schematically.

[0038] In order to present a first injector operating type (filling (Einblas-) or injecting operating type), the dual fuel-fuel injector 1 has a first injector unit 3 which is provided with The primary (primary) fuel in the form of a gaseous fuel or combustible gas. The first injector unit 3 is hydraulically servo-controlled, that is to say the nozzle valves 5 of the first injector unit 3 are controlled indirectly via a servo or auxiliary valve 7 and a control fluid, that is to say with a per se known Way.

[0039] The combustible gas, for example natural gas, can be supplied to the nozzle volume 13 or Gas - at the nozzle space (first nozzle volume 13). To this end, the first high-pres...

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PUM

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Abstract

Disclosed is a dual fuel injector (1) comprising: - a first injector unit (3) provided for a first injector operating mode using a first main fuel; - a second injector unit (17) provided for a second injector operating mode using a second main fuel; - an injector reservoir (55); characterized in that the dual fuel injector (1) is designed to fill the injector reservoir (55) with the first or the second main fuel in accordance with the injector operating mode.

Description

technical field [0001] The invention relates to a dual-fuel injector according to the preamble of claim 1 . The dual-fuel injector is especially designed for use with a gaseous first fuel or combustible gas and with a liquid second fuel or liquid fuel. Background technique [0002] When using dual-fuel injectors, in particular in the case of high-performance motors, the question often arises of how to separate the fuel for liquid fuels while taking into account the corresponding installation conditions at the motor. In addition to the storage volumes, large gas storage volumes, in particular each in the region of a (high-pressure) individual pressure accumulator, can be accommodated on the injector. To strive for a large gas storage volume in order to keep the pressure drop low during the gas ejection, especially since great difficulties have always been obtained due to the differential pressure level between the gas and the combustion space pressure which is changed via th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02D19/06
CPCF02D19/0613F02D19/0647F02D19/0678F02D19/0689F02D19/0692F02D19/0694F02M37/0064F02M43/04F02M45/086Y02T10/30F02M63/0005
Inventor M.卡伦博恩
Owner L'ORANGE GMBH
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