Brevet : EP1295054 - MICROVALVE POUR TRANSMISSION ELECTRONIQUE

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Titre

MICROVALVE POUR TRANSMISSION ELECTRONIQUE

N° et date de publication de la demande

EP1295054 - 26/03/2003

Type de la demande

A2

N° et date de dépôt

EP01946577.2 - 20/06/2001

N° et date de priorité

US60215100 - 20/06/2000

Abrégé

A microvalve device for controlling fluid flow in a fluid circuit. The microvalve device comprises a body having a cavity formed therein. An electronically controlled automatic transmission, comprising of an input shaft; an output shaft; a plurality of gears providing driving connection between the input shaft and the output shaft; one of a hydraulically operated brake band and a hydraulically operated clutch which is operable to effect a change in the gear reduction provided by the gears between the input shaft and the output shaft; a source of pressurized hydraulic fluid; and a microvalve device selectively operable to control passage of pressurized hydraulic fluid from the source to the one of a hydraulically operated brake band and a hydraulically operated clutch to operate the one of a hydraulically operated brake band and a hydraulically operated clutch.

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INTERVENANTS

Déposant

KELSEY HAYES CO (KELSEY-HAYES COMPANY) - US

Titulaire

KELSEY-HAYES COMPANY

Inventeur

HUNNICUTT HARRY A (HUNNICUTT, HARRY, A.) - US

FULLER E NELSON (FULLER, E., NELSON) - US

Mandataire

ERNEST GUTMANN-YVES PLASSERAUD SAS - 66 RUE DE LA CHAUSSEE D'ANTIN - 75009 PARIS - FR

STATUT EN FRANCE : Déchu

Délivrance

18/08/2004

Remise de traduction du brevet

04/03/2005 (BOPI 2005-09)

Date de constatation de déchéance

Dernière annuité payée

25/06/2019

Quantième- N° de l'annuité payée

19

Date de paiement de la prochaine annuité

30/06/2020

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