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1. WO1992017279 - SPRAY GUN NOZZLE HEAD

Publication Number WO/1992/017279
Publication Date 15.10.1992
International Application No. PCT/CA1992/000128
International Filing Date 26.03.1992
Chapter 2 Demand Filed 26.10.1992
IPC
B05B 7/00 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
7Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
B05B 7/04 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
7Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
02Spray pistols; Apparatus for discharge
04with arrangements for mixing liquids or other fluent materials before discharge
B05B 7/06 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
7Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
02Spray pistols; Apparatus for discharge
06with one outlet orifice surrounding another approximately in the same plane
B05B 7/08 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
7Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
02Spray pistols; Apparatus for discharge
08with separate outlet orifices, e.g. to form parallel jets, to form intersecting jets
B05B 7/12 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
7Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
02Spray pistols; Apparatus for discharge
12designed to control volume of flow, e.g. with adjustable passages
CPC
B05B 7/0081
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
7Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
0081Apparatus supplied with low pressure gas, e.g. "hvlp"-guns; air supplied by a fan
B05B 7/0466
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
7Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
02Spray pistols; Apparatus for discharge
04with arrangements for mixing liquids or other fluent materials before discharge
0416with arrangements for mixing one gas and one liquid
0441with one inner conduit of liquid surrounded by an external conduit of gas upstream the mixing chamber
0466with means for deflecting the central liquid flow towards the peripheral gas flow
B05B 7/0475
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
7Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
02Spray pistols; Apparatus for discharge
04with arrangements for mixing liquids or other fluent materials before discharge
0416with arrangements for mixing one gas and one liquid
0441with one inner conduit of liquid surrounded by an external conduit of gas upstream the mixing chamber
0475with means for deflecting the peripheral gas flow towards the central liquid flow
B05B 7/068
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
7Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
02Spray pistols; Apparatus for discharge
06with ; at least; one outlet orifice surrounding another approximately in the same plane
062with only one liquid outlet and at least one gas outlet
066with an inner liquid outlet surrounded by at least one annular gas outlet
068the annular gas outlet being supplied by a gas conduit having an axially concave curved internal surface just upstream said outlet
B05B 7/0815
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
7Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
02Spray pistols; Apparatus for discharge
08with separate outlet orifices, e.g. to form parallel jets ; , i.e. the axis of the jets being parallel; , to form intersecting jets ; , i.e. the axis of the jets converging but not necessarily intersecting at a point
0807to form intersecting jets
0815with at least one gas jet intersecting a jet constituted by a liquid or a mixture containing a liquid for controlling the shape of the latter
B05B 7/12
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
7Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
02Spray pistols; Apparatus for discharge
12designed to control volume of flow, e.g. with adjustable passages
Applicants
  • BARTY, Thomas [CA]/[CA]
Inventors
  • BARTY, Thomas
Agents
  • CLARK, Geoffrey, C.
Priority Data
2,039,08626.03.1991CA
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) SPRAY GUN NOZZLE HEAD
(FR) TETE DE BUSE POUR PISTOLET A PROJECTION
Abstract
(EN) A spray gun nozzle head (4) for atomizing a liquid using a flowing pressurized gas. The nozzle head (4) includes a central nozzle (30) having an orifice (31) for supplying the liquid to be atomized. A cap (32) having a funnel shaped chamber (42) is mountable over the nozzle to define an annular passage (43) for supplying the pressurized gas. The cap (32) has an orifice (45) alignable with the nozzle orifice (31) such that the nozzle orifice is recessed upstream from the cap orifice to define a region adjacent the nozzle orifice in which the liquid is atomized by the pressurized gas into a liquid spray prior to being expelled through the cap orifice.
(FR) On décrit une tête de buse (4) pour pistolet à projection, qui atomise un liquide à l'aide d'un écoulement de gaz pressurisé. La tête de buse (4) comprend une buse centrale (30) dotée d'un orifice (31) par lequel est débité le liquide à atomiser. Un capuchon (32) muni d'une chambre (42) en entonnoir peut coiffer la buse pour définir un passage annulaire (43) pour le gaz pressurisé. Le capuchon (32) est pourvu d'un orifice (45) pouvant être aligné avec celui de la buse (31), de sorte que l'orifice de la buse est en retrait en amont de l'orifice du capuchon de manière à définir une région adjacente à l'orifice de la buse dans lequel le liquide est atomisé par le gaz sous pression pour ainsi former un liquide pulvérisé, avant d'être éjecté à travers l'orifice du capuchon.
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