Double-needle-valve ejector

The invention belongs to the technical field of marine oil supply equipment, and discloses a double-needle-valve ejector which comprises a body, the body is provided with a working cavity, a needle valve assembly is arranged in the working cavity and comprises an inner needle valve and an outer need...

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Hauptverfasser: MOON MYUNG-MYUNG, YANG LI, HEI XIAOFU
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creator MOON MYUNG-MYUNG
YANG LI
HEI XIAOFU
description The invention belongs to the technical field of marine oil supply equipment, and discloses a double-needle-valve ejector which comprises a body, the body is provided with a working cavity, a needle valve assembly is arranged in the working cavity and comprises an inner needle valve and an outer needle valve slidably arranged on the inner needle valve in a sleeving mode, the inner needle valve slidably abuts against the working cavity, and an adjusting cavity is formed by the inner needle valve and the outer needle valve; a first through hole and a second through hole are formed in the body, the outer needle valve is provided with a sleeving cavity, a via hole is formed in the sleeving cavity, the sleeving cavity communicates with the first oil spraying hole through the via hole, the inner needle valve is sleeved with the outer needle valve in a sliding mode through the sleeving cavity, the outer needle valve and the inner needle valve jointly form a first inner cavity, and the first inner cavity can communica
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language chi ; eng
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subjects BLASTING
COMBUSTION ENGINES
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
LIGHTING
MECHANICAL ENGINEERING
SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF
WEAPONS
title Double-needle-valve ejector
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