Fluid ejection device with reinforced seal

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United States of America Patent

PATENT NO 8783372
APP PUB NO 20100230118A1
SERIAL NO

12740516

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Abstract

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A compact device for ejecting a fluid including two chambers separated by a separating element of piston type. One of the chambers contains the fluid intended to be ejected, the other chamber is a pressurization chamber, the pressurization of which can cause translational movement of the separating element and ejection of the fluid. The pressurization chamber includes a thimble capable of sealably separating the inside of the pressurization chamber from the side walls of the reservoir. Thus, a seal between two chambers is perfect and durable without degrading slidability of the piston.

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Patent Owner(s)

  • AIRBUS OPERATIONS SAS;AIRBUS OPERATIONS (SOCIETE PAR ACTIONS SIMPLIFIEE)

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bignolais, Alain Leguevin, FR 15 132
Fabre, Christian Tournefeuille, FR 22 264

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