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. 10, 2024
Filed:
Dec. 23, 2019
L'air Liquide, Société Anonyme Pour L'etude ET L'exploitation Des Procédés Georges Claude, Paris, FR;
Alban Poirier, Le Chesnay, FR;
Alain Cloarec, Bagneux, FR;
Etienne Charve, Vanves, FR;
Olivier Pouchain, Reze, FR;
Abstract
A plant for grinding a product, which includes a grinder in which the product is ground, which plant also includes a hopper for supplying the grinder with product to be ground, configured to be supplied with product to be ground; a means for bringing a cryogenic fluid into the hopper; and a means for discharging product from the hopper into the grinder. Wherein the hopper is provided in a lower part with a hollow screw provided with turns allowing the product to be discharged out of the hopper, into the grinder; and the means for bringing a cryogenic fluid into the hopper comprise an injection lance which is positioned inside the turns of the hollow screw, extending in a direction substantially parallel to the axis of the screw.