Floor air diffuser

Patent metadata

Field	Value
Publication number	US-11649983-B2
Application number	US-202117373530-A
Country	US
Kind code	B2
Filing date	Jul 12, 2021
Priority date	Feb 4, 2019
Publication date	May 16, 2023
Grant date	May 16, 2023

Abstract

An air diffuser configured to be positioned in a raised floor, in which the air diffuser includes a sleeve having a first end and a second end with an air flow passage extending through the sleeve from the first end to the second end, a diffuser face disposed at the first end of the sleeve and configured to be exposed to an environment in an installed position within the raised floor, a damper disposed at the second end of the sleeve, and a plenum chamber defined within the sleeve between the damper and the diffuser face.

First claim

The invention claimed is:

1. An air diffuser, comprising:
a sleeve comprising a first end, a second end, and an air flow passage extending through the sleeve from the first end to the second end;
a diffuser face disposed at the first end of the sleeve;
a damper disposed at the second end of the sleeve and comprising a plurality of damper sections adjustable to regulate an amount of air flow directed through the sleeve via an opening of the second end;
a damper connector extending between the diffuser face and the damper, wherein rotation of the damper connector causes rotation of the plurality of damper sections relative to one another to adjust a size of the opening of the second end; and
a plenum chamber defined within the sleeve between the damper and the diffuser face, wherein the air flow passage extends through the plenum chamber.

2. The air diffuser of claim 1 , wherein the damper and the diffuser face are offset from one another to define a volume of the plenum chamber configured to enable pressurization and distribution of the air flow within the plenum chamber.

3. The air diffuser of claim 1 , wherein the damper comprises a damper fastener, the damper connector is configured to engage with the damper fastener, and rotation of the damper connector causes rotation of the damper fastener and the plurality of damper sections relative to one another to adjust the size of the opening of the second end.

4. The air diffuser of claim 3 , wherein the damper connector comprises a recess, the damper fastener is configured to extend into the recess, and the recess and the damper fastener comprise corresponding geometries.

5. The air diffuser of claim 1 , comprising a drip pan, wherein the drip pan and the sleeve are coupled to one another via connectors extending between the drip pan and the sleeve.

6. The air diffuser of claim 5 , wherein the sleeve, the drip pan, and the connectors cooperatively define a plurality of inlet passages configured to receive the air flow directed into the air flow passage of the sleeve via the opening of the second end.

7. The air diffuser of claim 1 , wherein the damper is in contact with an edge of the second end of the sleeve.

8. The air diffuser of claim 1 , wherein the plurality of damper sections is configured to overlap with one another in an open position of the damper.

9. An air diffuser, comprising:
a sleeve comprising a first end and a second end;
a diffuser face coupled to the sleeve at the first end;
a damper comprising tabs configured to impart a compressive force onto an outer surface of the second end of the sleeve to couple the damper to the sleeve at the second end; and
a plenum chamber defined within the sleeve between the damper and the diffuser face.

10. The air diffuser of claim 9 , wherein the tabs are configured to contact an edge of the second end of the sleeve.

11. The air diffuser of claim 9 , comprising a drip pan and an actuator, wherein the drip pan is coupled to the sleeve, the actuator is coupled to a side of the drip pan opposite the sleeve, and the actuator is configured to adjust a position of the damper.

12. The air diffuser of claim 11 , comprising a damper connector extending through the drip pan and between the damper and the actuator, wherein the actuator is configured to rotate the damper connector to adjust the position of the damper.

13. The air diffuser of claim 12 , wherein the damper comprises a plurality of damper sections configured to rotate relative to one another, and rotation of the damper connector causes rotation of the plurality of damper sections to adjust the position of the damper.

14. The air diffuser of claim 11 , comprising a controller communicatively coupled to the actuator, wherein the controller is configured to instruct the actuator to adjust the position of the damper.

15. The air diffuser of claim 9 , comprising a damper connector coupled to the damper and to the diffuser face, wherein the diffuser face comprises a recess, an end of the damper connector extends into the recess, and the end of the damper connector and the recess of the diffuser face comprise matching geometries.

16. An air diffuser, comprising:
a sleeve comprising a first end and a second end;
a diffuser face coupled to the sleeve at the first end;
a damper coupled to the sleeve at the second end, wherein the damper comprises a plurality of damper sections that are rotatably adjustable relative to one another to adjust a position of the damper; and
a damper connector coupled to the damper and to the diffuser face, wherein the damper connector is configured to enable adjustment of the position of the damper via rotation of the diffuser face.

17. The air diffuser of claim 16 , wherein a first end of the damper connector is coupled to the diffuser face, and a second end of the damper connector is coupled to the damper to enable adjustment of the position of the damper via rotation of the diffuser face.

18. The air diffuser of claim 16 , wherein the sleeve comprises a shoulder extending from an inner surface of the sleeve, and the diffuser face is configured to abut the shoulder and slidably rotate along the shoulder to adjust the position of the damper.

19. The air diffuser of claim 18 , wherein the diffuser face is configured to slip fit radially within the inner surface of the sleeve, and the damper connector is configured to extend within a recess of the damper to removably couple the diffuser face to the sleeve at the first end.

20. The air diffuser of claim 16 , wherein the damper connector is rotationally fixed relative to the diffuser face and a damper section of the plurality of damper sections.

Assignees

• Air Distribution Tech Ip Llc

Inventors

• Minor Gary A
• Costello Mark J
• A K S Manian

Classifications

• F24F13/105

  composed of diaphragms or segments · CPC title

• F24F13/06 Primary

  Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser · CPC title

• F24F2221/40

  HVAC with raised floors · CPC title