Ceiling recessed ventilating fan with illuminating device

• US 8,641,375 B2
• Filed: 11/24/2009
• Issued: 02/04/2014
• Est. Priority Date: 11/28/2008
• Status: Expired due to Fees

• Current Assignee: Panasonic Corporation (Panasonic Holdings Corporation), Panasonic Ecology Systems Guangdong Company Limited (Panasonic Holdings Corporation)
• Original Assignee: Panasonic Corporation (Panasonic Holdings Corporation), Panasonic Ecology Systems Guangdong Company Limited (Panasonic Holdings Corporation)
• Inventors: Tian, Liang, Tan, Kai
• Primary Examiner(s): Kershteyn, Igor
• Application Number:
  US12/863,290
• Publication Number:
  US 20110044814A1
• Time in Patent Office: 1,533 Days
• Field of Search: 416/5, 415/121.2, 415/203, 415/204, 415/206
• US Class Current: 416/5
• CPC Class Codes: F21S 8/02 of recess-mounted type, e.g. downlighters specially adapted for vehicle exteriors F21S41/00-F21S45/00
• CPC Class Codes: F21V 33/0088 Ventilating systems lighting fixtures combined with outlets for air treatment systems F24F13/078
• CPC Class Codes: F21Y 2103/00 Elongate light sources, e.g. fluorescent tubes
• CPC Class Codes: F21Y 2103/30 curved
• CPC Class Codes: F24F 13/078 combined with lighting fixtures
• CPC Class Codes: F24F 2221/14 mounted on the ceiling
• CPC Class Codes: F24F 7/007 with forced flow using ducting systems F24F7/06

Abstract

Disclosed is a ceiling recessed ventilating fan with illuminating device, including a body, a blower disposed horizontally within the body and an illuminating device disposed inside the body. The illuminating device is disposed around an air inlet of the blower. The illuminating device is disposed within the body, and does not protrude from the surface of the ceiling.

Claims

1. A ceiling recessed ventilating fan with illuminating device, comprising a body configured to be recessed into a ceiling, a blower horizontally disposed inside the body, an illuminating device disposed at a lower portion of the body, and an air guide device that covers a lower opening of the body and forms an air passageway to an air inlet of the blower, wherein the illuminating device is disposed over a portion of the air guide device at an inner side of the ceiling.

2. The ceiling recessed ventilating fan with illuminating device according to claim 1, wherein the illuminating device has an annular light emitting portion and is disposed along an air path from a lower opening of the body to the air inlet of the blower.

3. The ceiling recessed ventilating fan with illuminating device according to claim 1, wherein a grating is disposed in the air path from a lower opening of the body to the air inlet of the blower, and the illuminating device is disposed below the grating.

4. The ceiling recessed ventilating fan with illuminating device according to claim 1, wherein at least a portion of the air guide device is formed into an illumination and light transmission structure.

5. The ceiling recessed ventilating fan with illuminating device according to claim 4, wherein the illumination and light transmission structure is made of transparent or translucent material.

6. The ceiling recessed ventilating fan with illuminating device according to claim 1, wherein the air guide device is of a round and faring shape, and the illuminating device comprises a round fluorescent tube and is provided on the air guide device.

7. The ceiling recessed ventilating fan with illuminating device according to claim 1, wherein the air guide device is of a quadrangular and flaring shape, and the illuminating device comprises a straight fluorescent tube and is provided at the respective sides of the air guide device.

8. The ceiling recessed ventilating fan with illuminating device according to claim 1, wherein the air guide device covers the interface between the body and the ceiling, and is coupled to the air inlet of the blower.