# US 11,865,555 B2 · Low drift flat fan spray nozzle

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 11,865,555 B2
- Document ID: US11865555B2
- Status: Granted
- Kind: B2
- Application number: 17/183,949
- Filed: 2021-02-24
- Published: 2021-09-02
- Granted: 2024-01-09
- Earliest claimed: 2021-02-24
- Assignees: Solcera
- Applicants: Solcera
- Inventors: Hervé Foubert; Alexandre Billoir; Paul Tourneroche
- Web page: https://patentgrep.com/patent/US11865555B2

## CPC

- B05B 1/042: {Outlets having two planes of symmetry perpendicular to each other, one of them defining the plane of the jet (B05B1/044, B05B1/046 take precedence)}
- B05B 1/044: {Slits, e.g. narrow openings defined by two straight and parallel lips; Elongated outlets for producing very wide discharges, e.g. fluid curtains (B05B1/046 takes precedence)}
- B05B 1/34: designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl (designed to control volume of flow B05B1/30)
- B05B 7/0425: {without any source of compressed gas, e.g. the air being sucked by the pressurised liquid}
- B05B 1/3402: {to avoid or reduce turbulence, e.g. with fluid flow straightening means}
- B05B: SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES (spray-mixers with nozzles B01F25/72; processes for applying liquids or other fluent materials to surfaces by spraying B05D)

## Abstract

The spray nozzle includes a body, which has a fluid inlet region and a fluid outlet orifice, and which houses: a core, internally defining a passage, of increasing cross-section, in communication with the outside substantially at the point of its smallest cross-section, resulting in a Venturi effect, an insert, provided with an outlet slot defining the opening angle of the nozzle, the core and the insert being at a distance from one another and forming therebetween a working chamber. The nozzle further includes a splitter, housed in the working chamber, arranged to form an obstacle to the flow of the fluid, the splitter having two axial orifices, each forming a fluid passage, on either side of a radial plane, such that the two streams passing through the orifices of the splitter combine and then impinge the surface of the outlet slot of the insert, ultimately generating a flat jet.

## Claims

### Claim 1

Spray nozzle of the type comprising a body (1), which has a fluid inlet region and a fluid outlet orifice, the body (1) housing:
a core (2), internally defining a passage, of increasing cross-section, in communication with the outside substantially at the point of the core's smallest cross-section, resulting in a Venturi effect, said smallest cross-section starting adjacent the fluid inlet region,
an insert (3), provided with an outlet slot (31) forming the fluid outlet orifice (16) of the nozzle and defining the opening angle thereof,
the core (2) and the insert (3) being at a distance from one another and forming between them a working chamber (23) in the body (1),
wherein the nozzle further comprises an additional part (7) called a splitter, housed in the working chamber (23), arranged to form an obstacle to a flow of a fluid, said splitter comprising two axial through-orifices (71, 72), each forming a fluid passage, on either side of a radial plane (73), and, at the outlet, a substantially flat blade (75), in the central plane such that the two streams passing through the two axial through-orifices (71, 72) of the splitter, flow along the substantially flat blade and follow a surface thereof before combining and then impinging the surface of the outlet slot (31) of the insert, ultimately generating a flat jet.

### Claim 2 (depends on 1)

The spray nozzle according to claim 1, wherein the blade (75C), is provided with channels (750) with cylindrical shape based on an arc of a circle, which extend the two axial through-orifices (71, 72).

### Claim 3 (depends on 1)

The spray nozzle according to claim 1, wherein the blade (75D) is provided with transverse ridges (755).

### Claim 4 (depends on 1)

The spray nozzle according to claim 1, wherein the blade (75) is indexed parallel to the slot (31) of the insert (3).