Quiet-ceiling light fixture systems and methods

Patent metadata

Field	Value
Publication number	US-10670206-B2
Application number	US-201815958399-A
Country	US
Kind code	B2
Filing date	Apr 20, 2018
Priority date	May 2, 2017
Publication date	Jun 2, 2020
Grant date	Jun 2, 2020

Abstract

A light fixture includes a housing having sidewalls that define a manifold aperture, extending from upper to lower edges of the manifold aperture. The housing includes first coupling features. The light fixture includes at least one adapter plate with second coupling features that removably couple with the first coupling features. The adapter plate defines an adapter plate aperture. At least one light emitting engine removably couples with the adapter plate such that emitted light passes through the adapter plate aperture. The light fixture further includes a baffle that includes at least one baffle cell. The baffle cell includes an upper baffle edge that defines: an upper baffle aperture through which light emitted by the light engine passes, a lower baffle edge that defines an output aperture for the emitted light, and a baffle cell wall that extends from the upper baffle edge to the lower baffle edge.

First claim

What is claimed is:

1. A light fixture, comprising:
a manifold housing having sidewalls that define a manifold aperture, the sidewalls extending from one or more upper edges of the manifold aperture to a lower edge of the manifold aperture, wherein:
a first dimension of the manifold aperture defines an axial direction and a second dimension of the manifold aperture defines a lateral direction, and the manifold housing comprises one or more first coupling features;

at least one adapter plate, comprising one or more second coupling features, wherein:
the at least one adapter plate defines an adapter plate aperture, and the one or more second coupling features of the at least one adapter plate removably couple with the one or more first coupling features of the manifold housing to secure the at least one adapter plate atop the manifold housing;
at least one light engine that emits light, wherein the at least one light engine removably couples atop the at least one adapter plate such that light emitted by the at least one light engine passes first through the adapter plate aperture, and subsequently through the upper and lower edges of the manifold aperture, toward a light-emitting side of the light fixture; and
a baffle that substantially spans the manifold aperture in the axial and lateral directions, and comprises at least one baffle cell;
wherein the at least one baffle cell comprises:
(i) an upper baffle edge that defines an upper baffle aperture through which the light emitted by the at least one light engine passes,
(ii) a lower baffle edge that defines an output aperture for the emitted light, and
(iii) a baffle cell wall that extends from the upper baffle edge to the lower baffle edge.

2. The light fixture of claim 1 , further comprising:
a trim piece that removably couples with the manifold housing so as to be positioned proximate the lower edge of the manifold aperture,
wherein the trim piece is configured to extend outwardly from the manifold housing over an architectural surface.

3. The light fixture of claim 2 , wherein the trim piece blocks light at angles higher than about 55 degrees from nadir in the lateral direction.

4. The light fixture of claim 1 , wherein:
the at least one adapter plate consists of a single adapter plate;
the at least one light engine consists of a single light engine; and

the baffle consists of a single baffle cell.

5. A light fixture, comprising:
a manifold housing having sidewalls that define a manifold aperture, the sidewalls extending from one or more upper edges of the manifold aperture to a lower edge of the manifold aperture, wherein:
a first dimension of the manifold aperture defines an axial direction and a second dimension of the manifold aperture defines a lateral direction, and
the manifold housing comprises one or more first coupling features;

at least one adapter plate, comprising one or more second coupling features, wherein:
the at least one adapter plate defines an adapter plate aperture,
the one or more second coupling features of the at least one adapter plate removably couple with the one or more first coupling features of the manifold housing to secure the at least one adapter plate to the manifold housing,
the at least one adapter plate comprises a first adapter plate and a second adapter plate, and
the first adapter plate and the second aperture plate couple with the manifold housing at respective light emitter positions;

at least a first light engine that emits light and a second light engine that emits light, wherein the first light engine removably couples with the first adapter plate and the second light engine removably couples with the second adapter plate, such that light emitted by the first light engine passes through the first adapter plate aperture and the manifold aperture, and light emitted by the second light engine passes through the second adapter plate aperture and the manifold aperture, toward a light-emitting side of the light fixture; and
a baffle that substantially spans the manifold aperture, and comprises a first baffle cell and a second baffle cell, wherein each of the first baffle cell and the second baffle cell comprises:
(i) a upper baffle edge that defines an upper baffle aperture through which the light emitted by the respective first or second light engine passes,
(ii) a lower baffle edge that defines an output aperture for the emitted light, and
(iii) a baffle cell wall that extends from the upper baffle edge to the lower baffle edge;

and wherein a portion of the light emitted by the first light engine is reflected by the baffle cell wall of the first baffle cell and a portion of the light emitted by the second light engine is reflected by the baffle cell wall of the second baffle cell.

6. The light fixture of claim 5 , wherein the lower edges of the first baffle cell and the second baffle cell meet, forming a divider that extends in the lateral direction between the first and second baffle cells.

7. The light fixture of claim 6 , wherein the divider blocks light emitted by the first and second light engines at angles higher than about 55 degrees from nadir in the axial direction.

8. A light fixture, comprising:
a manifold housing having sidewalls that define a manifold aperture, the sidewalls extending from one or more upper edges of the manifold aperture to a lower edge of the manifold aperture, wherein:
a first dimension of the manifold aperture defines an axial direction and a second dimension of the manifold aperture defines a lateral direction, and
the manifold housing comprises one or more first coupling features;

at least one adapter plate, comprising one or more second coupling features, wherein:
the at least one adapter plate defines an adapter plate aperture, and
the one or more second coupling features of the at least one adapter plate removably couple with the one or more first coupling features of the manifold housing to secure the at least one adapter plate to the manifold housing;

at least one light engine that emits light, wherein the at least one light engine removably couples with the at least one adapter plate such that light emitted by the at least one light engine passes through the adapter plate aperture and the manifold aperture toward a light-emitting side of the light fixture; and wherein the at least one light engine comprises:
a light source housing that defines an optical axis,
a light source, coupled with the light source housing, that emits the light along the optical axis, and
a rotation/tilt housing that couples with the at least one adapter plate, and supports the light source housing such that directionality of the light emitted along the optical axis can be adjusted relative to the manifold housing; and

a baffle that substantially spans the manifold aperture and comprises at least one baffle cell, wherein the at least one baffle cell comprises:
(i) an upper baffle edge that defines an upper baffle aperture through which the light emitted by the at least one light engine passes,
(ii) a lower baffle edge that defines an output aperture for the emitted light, and
(iii) a baffle cell wall that extends from the upper baffle edge to the lower baffle edge.

9. The light fixture of claim 8 , wherein the rotation/tilt housing is configured to adjust at least one of tilt or rotation of the light emitted by the at least one light engine.

10. The light fixture of claim 8 , wherein the rotation/tilt housing is configured such that directionality of the light emitted from the at least one light engine can be adjusted by manipulation from the light-emitting side of the light fixture, without requiring mechanical access above t

Assignees

• Abl Ip Holding Llc

Inventors

• Tepo Megan Marie
• Grove Douglas Dewayne
• Reilly John M
• Onda Joseph James
• Conn James Scott
• Shaner Jeff Robert

Classifications

• F21V23/02

  the elements being transformers, impedances {or power supply units, e.g. a transformer with a rectifier} · CPC title

• F21K9/20

  Light sources comprising attachment means · CPC title

• F21V17/162

  the parts being subjected to traction or compression, e.g. coil springs · CPC title

• F21V7/28

  characterised by coatings · CPC title

• F21K9/68

  Details of reflectors forming part of the light source · CPC title