# US 10,766,637 B2 · Airfield light > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,766,637 B2 - Document ID: US10766637B2 - Status: Granted - Kind: B2 - Application number: 15/975,312 - Filed: 2018-05-09 - Published: 2018-11-15 - Granted: 2020-09-08 - Earliest claimed: 2017-05-09 - Assignees: Eaton Intelligent Power Limited - Applicants: Eaton Intelligent Power Limited - Inventors: Vivian L. Hunter - Web page: https://patentgrep.com/patent/US10766637B2 ## CPC - B64F 1/20: Arrangement of optical beacons - B64F 1/36: Other airport installations (ground installations for de-icing aircraft B64F5/20) - F21S 8/032: {the surface being a floor or like ground surface, e.g. pavement} - F21V 3/02: characterised by the shape - F21V 11/16: using sheets without apertures, e.g. fixed - F21V 15/01: Housings, e.g. material or assembling of housing parts (F21V15/02 takes precedence {housings forming signs or letters G09F13/04}) - F21V 17/164: {the parts being subjected to bending, e.g. snap joints} - F21V 29/503: of light sources (cooling arrangements structurally associated with gas-discharge or vapour-discharge lamps H01J61/52; cooling arrangements structurally associated with electric incandescent lamps H01K1/58; cooling arrangements structurally associated with light-emitting diodes H10H20/858) - F21V 29/70: characterised by passive heat-dissipating elements, e.g. heat-sinks - F21V 7/06: with parabolic curvature - F21V 17/005: {with keying means, i.e. for enabling the assembling of component parts in distinctive positions, e.g. for preventing wrong mounting} - F21V 17/12: by screwing - F21V 19/0055: {by screwing} - F21V 31/005: {Sealing arrangements therefor} - F21W 2111/06: for aircraft runways or the like - F21Y 2113/13: comprising an assembly of point-like light sources - F21Y 2115/10: Light-emitting diodes [LED] - B64F: GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR - F21S: NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS - F21V: FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR - F21W: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS - F21Y: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED ## Abstract An airfield light, components thereof, and associated methods. The airfield light can include a baffle including a baffle body and one or more baffle members secured to the baffle body. The baffle members are configured to cover portions of a baffle window. At least one light source is mounted in association with the baffle and emits light out of the baffle window. The baffle members cover portions of the baffle window for blocking light transmission therethrough. A method of assembling an airfield light includes arranging a baffle to shroud a light assembly and removing a baffle member to permit light from the light assembly to emit through a portion of a baffle window opened by removing the baffle member. A baffle for an airfield light is also disclosed. ## Claims ### Claim 1 An airfield light comprising: a support; a first light source connected to the support; a baffle proximate the first light source, the baffle including a generally opaque baffle body defining a window having a first open portion through which light emitted from the first light source may pass, and a generally opaque baffle member secured to the baffle body and blocking a closed portion of window to inhibit light emitted from the first light source from passing therethrough, wherein the generally opaque baffle member is removable from the baffle body to create a second open portion of the window; and a generally light-transmissible cover surrounding the first light source and the baffle such that the light emitted by the first light source through the first open portion of the window passes through the cover, wherein the baffle is sized and shaped to be in a close fitting relationship with a portion of the cover, wherein the baffle is sized and shaped to fill a front portion of the cover to inhibit light emitted by the first light source from entering a back portion of the cover. ### Claim 2 (depends on 1) An airfield light as set forth in claim 1, wherein the baffle further includes a second generally opaque baffle member secured to the baffle body and blocking a second closed portion of window to inhibit light emitted from the first light source from passing therethrough, wherein the second generally opaque baffle member is removable from the baffle body to create a third open portion of the window. ### Claim 3 (depends on 1) An airfield light as set forth in claim 1, wherein the baffle further includes a generally opaque partition positioned above the first light source to block light emitted from the first light source. ### Claim 4 (depends on 3) An airfield light as set forth in claim 3, wherein the partition is secured to the baffle member adjacent the first open portion of the window and is removable from the baffle member. ### Claim 5 (depends on 1) An airfield light as set forth in claim 1, wherein the support is a first support and the baffle is a first baffle, the airfield light further comprising: a second support; a second light source connected to the second support; and a second baffle proximate the second light source, the second baffle including a generally opaque baffle body defining a window having a first open portion through which light emitted from the second light source may pass, and a generally opaque baffle member secured to the baffle body and blocking a closed portion of window to inhibit light emitted from the second light source from passing therethrough, wherein the generally opaque baffle member is removable from the baffle body to create a second open portion of the window. ### Claim 6 (depends on 5) An airfield light as set forth in claim 5, wherein the light emitted from the first light source is directed in a first direction, the light emitted from the second light source is directed in a second direction, the first and second directions being generally opposite of one another. ### Claim 7 (depends on 6) An airfield light as set forth in claim 6, wherein the first baffle inhibits light emitted by the first light source from traveling in the second direction, wherein the second baffle inhibits light emitted by the second light source from traveling in the first direction. ### Claim 8 (depends on 5) An airfield light as set forth in claim 5, wherein a first baffle color of the first baffle and a first light color of the light emitted by the first light source are generally the same, wherein a second baffle color of the second baffle and a second light color of the light emitted by the second light source are generally the same, wherein the first baffle color and first light color are different than the second baffle color and second light color. ### Claim 9 A method of assembling an airfield light, the method comprising: mounting first and second light assemblies on a support; removing at least a first generally opaque baffle member from a baffle body of a baffle; arranging the baffle to shroud the first and second light assemblies, the first and second light assemblies configured to emit light through a window defined by the baffle, the second light assembly configured to emit light through a portion of the window opened by removing the first generally opaque baffle member from the baffle body; and mounting a third light assembly on the support and removing a second generally opaque baffle member from the baffle body, the third light assembly being configured to emit light through a portion of the window opened by removing the second generally opaque baffle member. ### Claim 10 (depends on 9) A method as set forth in claim 9, further comprising: mounting third and fourth light assemblies on a second support; removing at least a first generally opaque baffle member from a baffle body of a second baffle; arranging the second baffle to shroud the third and fourth light assemblies, the third and fourth light assemblies configured to emit light through a window defined by the second baffle, the fourth light assembly configured to emit light through a portion of the window opened by removing the first generally opaque baffle member from the baffle body of the second baffle; arranging the second support and second baffle with respect to the support and the baffle such that the light emitted from the first light source is emitted in a first direction, the light emitted from the second light source is emitted in a second direction, the first and second directions being generally opposite of one another. ### Claim 11 An airfield light comprising: a first support; a first light source connected to the support; and a first baffle proximate the first light source, the first baffle including a generally opaque baffle body defining a window having a first open portion through which light emitted from the first light source may pass, and a generally opaque baffle member secured to the baffle body and blocking a closed portion of window to inhibit light emitted from the first light source from passing therethrough, wherein the generally opaque baffle member is removable from the baffle body to create a second open portion of the window; a second support; a second light source connected to the second support; and a second baffle proximate the second light source, the second baffle including a generally opaque baffle body defining a window having a first open portion through which light emitted from the second light source may pass, and a generally opaque baffle member secured to the baffle body and blocking a closed portion of window to inhibit light emitted from the second light source from passing therethrough, wherein the generally opaque baffle member is removable from the baffle body to create a second open portion of the window, wherein the light emitted from the first light source is directed in a first direction, the light emitted from the second light source is directed in a second direction, the first and second directions being generally opposite of one another. ### Claim 12 (depends on 11) An airfield light as set forth in claim 11, wherein the baffle further includes a second generally opaque baffle member secured to the baffle body and blocking a second closed portion of window to inhibit light emitted from the first light source from passing therethrough, wherein the second generally opaque baffle member is removable from the baffle body to create a third open portion of the window. ### Claim 13 (depends on 11) An airfield light as set forth in claim 11, wherein the baffle further includes a generally opaque partition positioned above the first light source to block light emitted from the first light source. ### Claim 14 (depends on 13) An airfield light as set forth in claim 13, wherein the partition is secured to the baffle member adjacent the first open portion of the window and is removable from the baffle member. ### Claim 15 (depends on 11) An airfield light as set forth in claim 11, further comprising a generally light-transmissible cover surrounding the first light source and the baffle such that the light emitted by the first light source through the first open portion of the window passes through the cover. ### Claim 16 (depends on 15) An airfield light as set forth in claim 15, wherein the baffle is sized and shaped to be in a close fitting relationship with a portion of the cover. ### Claim 17 (depends on 16) An airfield light as set forth in claim 16, wherein the baffle is sized and shaped to fill a front portion of the cover to inhibit light emitted by the first light source from entering a back portion of the cover. ### Claim 18 (depends on 11) An airfield light as set forth in claim 11, wherein a first baffle color of the first baffle and a first light color of the light emitted by the first light source are generally the same, wherein a second baffle color of the second baffle and a second light color of the light emitted by the second light source are generally the same, wherein the first baffle color and first light color are different than the second baffle color and second light color.