US 12,290,958 B2 · De-molding system of ceramic parts manufactured by freeze-casting, and mold cooling system and method for manufacturing ceramic parts by freezing-casting

De-molding system of ceramic parts manufactured by freeze-casting, and mold cooling system and method for manufacturing ceramic parts by freezing-casting

AssigneesPetroleo Brasileiro S.A. - Petrobras, Statoil Brasil Oleo E Gas Ltda., Universidade Federal De Minas Gerais - Ufmg

InventorsWilson Mantovani Grava, Wander Luiz Vasconcelos, Peter Wilhelmus Jacques Derks, Jailton Ferreira do Nascimento, Eduardo Henrique Martins Nunes, Douglas Fernandes de Souza, Daniela Cordeiro Leite Vasconcelos

Life of this patent

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Abstract

Provided is a mold cooling system for the manufacturing of ceramic parts by freeze-casting including: a source (1) of cooling gas; a cooling gas cooling medium (7) fluidically connected to the cooling gas source (1); and a cooling cell (5), fluidly connected to the cooling gas cooling medium (7), including a mold (9) in its interior, wherein the cooling cell (5) includes a refrigerated cooling gas injection opening. Thus, a mold cooling system is provided for the manufacturing of ceramic parts by freeze-casting including the stages of: refrigerating a cooling gas coming from a cooling gas source (1); and injecting a cooling gas that is refrigerated in a cooling cell (5) including a mold (9) in its interior.

Claims11

Dependent claims

A mold cooling system for manufacturing ceramic parts by freeze-casting, the mold cooling system comprising:

a cooling gas source;
a cooling gas cooling medium fluidically connected to the cooling gas source;
and
a cooling cell fluidly connected to the cooling gas cooling medium, wherein the cooling cell comprises:
a main body comprising a lower opening;
a mold within the main body and including a first space;
and
a refrigerated cooling gas injection opening that communicates with a second space inside the main body, the second space being outside of the mold;
wherein the mold comprises:
an upper opening configured to allow passage of a colloidal solution into the first space of the mold;
and
a lower opening configured to allow passage of a ceramic part, fabricated in the first space, from the first space to an outside of the mold, and
wherein the lower opening of the main body is aligned with the lower opening of the mold such that the lower opening of the main body is configured to allow passage of the ceramic part from the mold to below the main body.

10 more elements

Dependencies are inferred from the claim text.

Facts

Application

17/667,929Filed 9 Feb 2022 · division

Priority

BR 10 2018 010463-223 May 2018

Published

US 2022/0168922 A12 Jun 2022

Granted

6 May 2025

Term ends

Not estimatedThe source records don’t support an estimate.

Classification6 codes

B28B 17/0081
Control arrangements: process control
B28B 1/007
Producing shaped prefabricated articles from the material: by freezing the material
B28B 13/06
Discharging the shaped articles: removing the shaped articles from moulds
Y02P 40/60
Technologies relating to the processing of minerals: production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by…

Family

Application16/397,069Parent of this division · filed 29 Apr 2019

US 2022/0168922 A1Pre-grant publication · published 2 Jun 2022

US 11,458,649 B2Parent of this division

US 2019/0358852 A1Published application

US 12,290,958 B2This patent

From the US filing history. Foreign family members aren’t listed.