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1. WO2020112084 - OPERATING A SINTERING FURNACE

Publication Number WO/2020/112084
Publication Date 04.06.2020
International Application No. PCT/US2018/062500
International Filing Date 26.11.2018
IPC
G01N 9/00 2006.01
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
9Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
F27B 5/04 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
27FURNACES; KILNS, OVENS OR RETORTS
BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
5Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
04adapted for treating the charge in vacuum or special atmosphere
F27B 5/18 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
27FURNACES; KILNS, OVENS OR RETORTS
BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
5Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
06Details, accessories, or equipment peculiar to furnaces of these types
18Arrangement of controlling, monitoring, alarm or like devices
B22F 3/10 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
22CASTING; POWDER METALLURGY
FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
3Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor
10Sintering only
CPC
B22F 3/10
BPERFORMING OPERATIONS; TRANSPORTING
22CASTING; POWDER METALLURGY
FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER
3Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; ; Presses and furnaces
10Sintering only
F27B 5/04
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
27FURNACES; KILNS; OVENS; RETORTS
BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
5Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
04adapted for treating the charge in vacuum or special atmosphere
F27B 5/18
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
27FURNACES; KILNS; OVENS; RETORTS
BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
5Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
06Details, accessories, or equipment peculiar to furnaces of these types
18Arrangement of controlling, monitoring, alarm or like devices
G01N 9/00
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
9Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
Applicants
  • HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. [US]/[US]
Inventors
  • CHAMPION, David
  • SEAVER, Richard
  • SURI, Pavan
Agents
  • LEMMON, Marcus
  • RIETH, Nathan R.
Priority Data
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) OPERATING A SINTERING FURNACE
(FR) FONCTIONNEMENT D'UN FOUR DE FRITTAGE
Abstract
(EN)
In an example implementation, a method of operating a sintering furnace includes receiving information about a green object load to be sintered in a sintering furnace, determining a sintering profile based on the information, and performing a sintering process according to the sintering profile. During the sintering process, a sensor reading that indicates a degree of densification of a green object in the load is accessed from a densification sensor. The method includes initiating a cool down phase of the sintering process if the sensor reading has reached a target sensor reading.
(FR)
Dans un exemple de mise en œuvre, un procédé de fonctionnement d'un four de frittage comprend la réception d'informations concernant une charge d'objet cru à fritter dans un four de frittage, la détermination d'un profil de frittage sur la base des informations, et la réalisation d'un processus de frittage en fonction du profil de frittage. Au cours du processus de frittage, une lecture de capteur qui indique un degré de densification d'un objet cru dans la charge est accessible à partir d'un capteur de densification. Le procédé comprend l'initiation d'une phase de refroidissement du processus de frittage si la lecture de capteur a atteint une lecture de capteur cible.
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