The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 03, 2019
Filed:
Jun. 30, 2015
Compagnie Generale Des Etablissements Michelin, Clermont-Ferrand, FR;
Michelin Recherche ET Technique, S.a., Granges-Paccot, CH;
Aurélien Tournebize, Clermont-Ferrand, FR;
Pierre Annet, Clermont-Ferrand, FR;
COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, Clermont-Ferrand, FR;
MICHELIN RECHERCHE ET TECHNIQUE S.A., Granges-Paccot, CH;
Abstract
A volumetric pump comprising a product metering pistonmounted inside a metering chamberso as to slide, a sleeveat least partially delimiting an intake chamberand an exhaust chamberfor the product, and a product dispensing meansis provided. The dispensing means comprises an intake membercomprising product passage meansthat are able to at least partially face an inlet orificeof the metering chamber, and an exhaust membercomprising product passage meansthat are able to at least partially face an outlet orificeof said chamber. The intake and exhaust members are situated axially on either side of an internal partitionof the sleeve and are each mounted so as to bear axially against said partition.