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1. WO2020109771 - APPARATUS AND METHOD FOR COATING SUBSTRATES WITH WASHCOATS

Publication Number WO/2020/109771
Publication Date 04.06.2020
International Application No. PCT/GB2019/053332
International Filing Date 26.11.2019
IPC
B05C 7/04 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
CAPPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
7Apparatus specially designed for applying liquid or other fluent material to the inside of hollow work
04the liquid or other fluent material flowing or being moved through the work; the work being filled with liquid or other fluent material and emptied
B01J 37/02 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
37Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
02Impregnation, coating or precipitation
CPC
B05B 1/14
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
1Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
14with multiple outlet openings
B05B 1/18
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
1Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
14with multiple outlet openings
18Roses; Shower heads
B05B 1/185
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
1Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
14with multiple outlet openings
18Roses; Shower heads
185characterised by their outlet element; Mounting arrangements therefor
B05C 5/00
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
CAPPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
5Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
B05C 7/02
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
CAPPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
7Apparatus specially designed for applying liquid or other fluent material to the inside of hollow work
02the liquid or other fluent material being projected
B05C 7/04
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
CAPPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
7Apparatus specially designed for applying liquid or other fluent material to the inside of hollow work
04the liquid or other fluent material flowing or being moved through the work; the work being filled with liquid or other fluent material and emptied
Applicants
  • JOHNSON MATTHEY PUBLIC LIMITED COMPANY [GB]/[GB]
Inventors
  • BURGESS, Neil
  • SAVAGE, Jamie
  • THOMSON, Craig
Agents
  • WILSON, Nicola
Priority Data
1819454.829.11.2018GB
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) APPARATUS AND METHOD FOR COATING SUBSTRATES WITH WASHCOATS
(FR) APPAREIL ET PROCÉDÉ PERMETTANT D'ENDUIRE DES SUBSTRATS PAR DES COUCHES D'IMPRÉGNATION
Abstract
(EN)
A washcoat showerhead for depositing a washcoat onto a face of a substrate comprises a housing having an inlet for receiving the washcoat, a showerhead plate and a baffle. The housing and showerhead plate define a showerhead cavity with the baffle located within the showerhead cavity. The showerhead plate has a plurality of nozzle apertures for discharging the washcoat towards the face of the substrate. The baffle comprises an impermeable central body and a plurality of arms extending from the impermeable central body, the plurality of arms defining a plurality of flow apertures circumferentially arranged around the impermeable central body.
(FR)
Cette invention concerne un diffuseur de couche d'imprégnation pour déposer une couche d'imprégnation sur une face d'un substrat comprenant un boîtier ayant une entrée pour recevoir la couche d'imprégnation, une plaque de diffuseur et un déflecteur. Le boîtier et la plaque de diffuseur définissent une cavité de diffuseur, le déflecteur étant situé à l'intérieur de la cavité de diffuseur. La plaque de diffuseur comporte une pluralité d'ouvertures de buse pour projeter la couche d'imprégnation vers la face du substrat. Le déflecteur comprend un corps central imperméable et une pluralité de bras s'étendant à partir du corps central imperméable, la pluralité de bras définissant une pluralité d'ouvertures d'écoulement agencées de manière circonférentielle autour du corps central imperméable.
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