IP Library › Granted Patent US 11,794,921
Granted Patent B2
US 11,794,921 · App. 17/424,675 · Granted Oct 24, 2023

Aircraft lamp

Inventors: Tomoyuki Mukai (Shizuoka, JP); Hiroto Shimizu (Shizuoka, JP)
Assignee: KOITO MANUFACTURING CO., LTD.
B64D47/02B64D41/00F21V5/04F21V23/007
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Quick Facts
Patent No.
US 11,794,921
App. No.
17/424,675
Granted
Oct 24, 2023
Kind
B2
Abstract

An aircraft lamp includes a light source unit, a lamp housing that houses the light source unit, and a power supply control unit that has a casing and includes a control circuit structure configured to control light emission of the light source unit. The control circuit structure is housed in the casing. The casing is disposed outside the lamp housing.

Claims (23)

1. An aircraft lamp comprising:

a light source unit;

a lamp housing that houses the light source unit; and

a power supply control unit that has a casing and includes a control circuit structure configured to control light emission of the light source unit,

wherein the control circuit structure is housed in the casing and movably supported with respect to the casing,

wherein the casing is disposed outside the lamp housing,

wherein the power supply control unit further includes a power supply transformer configured to transform power of a power supply for the light source unit, and

wherein the power supply transformer is housed in the casing and is fixedly supported with respect to the casing.

2. The aircraft lamp according to claim 1 ,

wherein the power supply transformer is embedded in a hard resin filled in the casing, and

wherein the control circuit structure is embedded in a soft resin filled in the casing.

3. The aircraft lamp according to claim 2 ,

wherein the casing is formed in a container shape having an opening,

wherein the power supply transformer is housed on a bottom portion of the casing facing the opening, and

wherein the control circuit structure is housed in the casing on an opening side.

4. The aircraft lamp according to claim 2 ,

wherein the hard resin is an epoxy resin, and

wherein the soft resin is a silicone resin.

5. The aircraft lamp according to claim 1 ,

wherein the lamp housing includes a lamp body having a container shape and subjected to press processing, and an outer lens attached to the lamp body, and

wherein the casing of the power supply control unit is attached to the outside of the lamp body.

6. The aircraft lamp according to claim 1 ,

wherein the aircraft lamp is configured as an ice inspection lamp or a logo lamp of an aircraft.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 20, 2021
From: MUKAI, TOMOYUKI; SHIMIZU, HIROTO
To: KOITO MANUFACTURING CO., LTD.
Reel/Frame 057242/0133 →
Priority Claims (2)
JP 2019-008122 · Jan 22, 2019 · national
JP 2019-008123 · Jan 22, 2019 · national
Continuity (1)
Related Publication 20220106057A1 · Apr 7, 2022