Fan

Patent metadata

Field	Value
Publication number	US-9797411-B2
Application number	US-201113997067-A
Country	US
Kind code	B2
Filing date	Nov 25, 2011
Priority date	Dec 23, 2010
Publication date	Oct 24, 2017
Grant date	Oct 24, 2017

Abstract

A ceiling fan includes an annular nozzle having an inner wall, an outer wall extending about the inner wall, an air inlet for receiving an air flow, an air outlet for emitting the air flow, and an interior passage located between the inner and outer wall for conveying the air flow to the air outlet. The inner wall defines a bore through which air from outside the nozzle is drawn by the air flow emitted from the air outlet. A support assembly supports the nozzle on a ceiling and includes a ceiling mount for mounting the ceiling fan on a ceiling, an arm having a first end connected to the ceiling mount, and a body connected to a second end of the arm and the annular nozzle. The body is pivotable relative to the arm about a pivot axis to move the annular nozzle between a raised and lowered position.

First claim

The invention claimed is:

1. A ceiling fan comprising:
an annular nozzle comprising an inner wall, an outer wall extending about the inner wall, an air inlet, at least one air outlet, and an interior passage located between the inner wall and the outer wall for conveying an air flow to said at least one air outlet, the inner wall defining a bore through which air from outside the nozzle is drawn by the air flow emitted from said at least one air outlet; and
a support assembly for supporting the nozzle on a ceiling, the support assembly comprising a ceiling mount for mounting the ceiling fan on a ceiling, an arm having a first end connected to the ceiling mount, a body connected to a second end of the arm and the annular nozzle, and a pin that extends through the second end of the arm and has ends retained by an inner body section of the body;
wherein the body is pivotable relative to the arm about a pivot axis defined by a longitudinal axis of the pin to move the annular nozzle between a raised position and a lowered position.

2. The ceiling fan of claim 1 , wherein the pivot axis is substantially orthogonal to a bore axis.

3. The ceiling fan of claim 1 , wherein the body is pivotable about an angle in the range from 5 to 45° as the nozzle is moved from the raised position to the lowered position.

4. The ceiling fan of claim 1 , wherein the body is pivotable about an angle in the range from 10 to 20° as the nozzle is moved from the raised position to the lowered position.

5. The ceiling fan of claim 1 , wherein the body houses a releasable locking mechanism for locking the body relative to the arm.

6. The ceiling fan of claim 5 , wherein the locking mechanism is releasable by the user to allow the nozzle to be moved to its lowered position.

7. The ceiling fan of claim 5 , wherein the locking mechanism is biased towards a locking configuration for locking the body relative to the arm so that the nozzle is maintained in its raised position.

8. The ceiling fan of claim 7 , wherein the locking mechanism is arranged to return automatically to the locking configuration when the nozzle is moved from the lowered position to the raised position.

9. The ceiling fan of claim 1 , wherein the ceiling mount comprises a mounting bracket which is attachable to a ceiling of a room.

10. The ceiling fan of claim 9 , wherein, in the raised position, the nozzle is substantially parallel to the mounting bracket.

11. The ceiling fan of claim 1 , wherein the body comprises an air passage located upstream from said at least one air outlet.

12. The ceiling fan of claim 11 , wherein the air passage is arranged to convey an air flow to the annular nozzle.

13. The ceiling fan of claim 1 , wherein the orientation of the nozzle relative to the support assembly is adjustable when the nozzle is in its lowered position.

14. The ceiling fan of claim 1 , wherein the nozzle is rotatable relative to the body of the support assembly.

15. The ceiling fan of claim 14 , wherein the nozzle is rotatable about a rotational axis which is substantially orthogonal to an axis of the bore.

16. The ceiling fan of claim 14 , wherein the nozzle is rotatable about a rotational axis which is substantially orthogonal to the pivot axis.

17. The ceiling fan of claim 1 , wherein the arm is rotatably connected to the ceiling mount.

18. The ceiling fan of claim 17 , wherein the arm is rotatable relative to the ceiling mount about a rotational axis, and wherein the arm is inclined to the rotational axis of the arm.

19. The ceiling fan of claim 1 , wherein the nozzle comprises an air outlet section extending between the inner wall and the outer wall, and the air outlet section comprising said at least one air outlet.

20. The ceiling fan of claim 19 , wherein the air outlet section comprises an inner section connected to the inner wall, and an outer section connected to the outer wall, and wherein at least part of the inner section tapers away from the bore axis.

21. The ceiling fan of claim 20 , wherein an angle of inclination of said at least part of the inner section to the bore axis is between 0 and 45°.

22. The ceiling fan of claim 20 , wherein said at least part of the inner section has a shape which is substantially conical.

23. The ceiling fan of claim 20 , wherein said at least one air outlet is located between the inner section and the outer section.

24. The ceiling fan of claim 20 , wherein the outer section is substantially orthogonal to an axis of the bore.

25. The ceiling fan of claim 1 , wherein said at least one air outlet extends about an axis of the bore.

26. The ceiling fan of claim 1 , wherein said at least one air outlet comprises a substantially annular air outlet.

Assignees

• Dyson James
• Stewart Neil Andrew
• Brown Rodney James
• Dyson Technology Ltd

Inventors

• Dyson James
• Stewart Neil Andrew
• Brown Rodney James

Classifications

• F04F5/46

  Arrangements of nozzles · CPC title

• F24F2221/16

  mounted on the roof · CPC title

• F04D25/088 Primary

  Ceiling fans · CPC title

• F04F5/16

  displacing elastic fluids · CPC title

• F24F7/007

  with forced flow (using ducting systems F24F7/06) · CPC title