FR2377936A1 - External illumination system for helicopters - uses optical blocks on rotor blade tips to reflect and refract light from source at blade root - Google Patents

External illumination system for helicopters - uses optical blocks on rotor blade tips to reflect and refract light from source at blade root

Info

Publication number
FR2377936A1
FR2377936A1 FR7701380A FR7701380A FR2377936A1 FR 2377936 A1 FR2377936 A1 FR 2377936A1 FR 7701380 A FR7701380 A FR 7701380A FR 7701380 A FR7701380 A FR 7701380A FR 2377936 A1 FR2377936 A1 FR 2377936A1
Authority
FR
France
Prior art keywords
illumination system
external illumination
helicopters
reflect
source
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR7701380A
Other languages
French (fr)
Other versions
FR2377936B1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHAUVIN LUC
Original Assignee
CHAUVIN LUC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CHAUVIN LUC filed Critical CHAUVIN LUC
Priority to FR7701380A priority Critical patent/FR2377936A1/en
Publication of FR2377936A1 publication Critical patent/FR2377936A1/en
Application granted granted Critical
Publication of FR2377936B1 publication Critical patent/FR2377936B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D47/00—Equipment not otherwise provided for
    • B64D47/02—Arrangements or adaptations of signal or lighting devices
    • B64D47/06—Arrangements or adaptations of signal or lighting devices for indicating aircraft presence

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Toys (AREA)

Abstract

An external illumination system for a helicopter during night flying uses a lamp (1), mounted near the blade root. The lamp (1) is supplied with current through a flexible cable (5) from the aircraft generator. The lamp (1) projects a beam of light onto an optical block (2) mounted near the blade tip. The optical block reflects light towards the fuselage so that it is visible to the pilot. It also refracts the light outwards so that it is visible to pilots of other aircraft flying in formation. The reflected light also illuminates fluorescent areas (3) on the blade surface.
FR7701380A 1977-01-19 1977-01-19 External illumination system for helicopters - uses optical blocks on rotor blade tips to reflect and refract light from source at blade root Granted FR2377936A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7701380A FR2377936A1 (en) 1977-01-19 1977-01-19 External illumination system for helicopters - uses optical blocks on rotor blade tips to reflect and refract light from source at blade root

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7701380A FR2377936A1 (en) 1977-01-19 1977-01-19 External illumination system for helicopters - uses optical blocks on rotor blade tips to reflect and refract light from source at blade root

Publications (2)

Publication Number Publication Date
FR2377936A1 true FR2377936A1 (en) 1978-08-18
FR2377936B1 FR2377936B1 (en) 1980-02-22

Family

ID=9185650

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7701380A Granted FR2377936A1 (en) 1977-01-19 1977-01-19 External illumination system for helicopters - uses optical blocks on rotor blade tips to reflect and refract light from source at blade root

Country Status (1)

Country Link
FR (1) FR2377936A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0298141A1 (en) * 1987-07-06 1989-01-11 The Boeing Company Aircraft tanker trailing edge lights
EP1540239A2 (en) * 2002-07-22 2005-06-15 Noesis Inc Low light level illumination for rotating objects
FR2991968A1 (en) * 2012-06-18 2013-12-20 Serge Bernicat Blade rotor for use in e.g. helicopter, has specific areas whose surface is divided into two parts that are colored by two colors, where wavelength of one of colors is equal to wavelength of end portion of visible spectrum or black
WO2015090354A1 (en) * 2013-12-16 2015-06-25 Bernicat Serge Rotor with tinted blades
US20160280368A1 (en) * 2015-03-27 2016-09-29 Goodrich Lighting Systems Gmbh Layer material for arranging on a rotor blade tip of a helicopter, helicopter light system, and helicopter comprising the same

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0298141A1 (en) * 1987-07-06 1989-01-11 The Boeing Company Aircraft tanker trailing edge lights
EP1540239A2 (en) * 2002-07-22 2005-06-15 Noesis Inc Low light level illumination for rotating objects
JP2010052732A (en) * 2002-07-22 2010-03-11 Defense Holdings Inc Low light level illumination for rotating objects
EP1540239A4 (en) * 2002-07-22 2010-12-15 Defense Holdings Inc Low light level illumination for rotating objects
FR2991968A1 (en) * 2012-06-18 2013-12-20 Serge Bernicat Blade rotor for use in e.g. helicopter, has specific areas whose surface is divided into two parts that are colored by two colors, where wavelength of one of colors is equal to wavelength of end portion of visible spectrum or black
WO2015090354A1 (en) * 2013-12-16 2015-06-25 Bernicat Serge Rotor with tinted blades
US20160280368A1 (en) * 2015-03-27 2016-09-29 Goodrich Lighting Systems Gmbh Layer material for arranging on a rotor blade tip of a helicopter, helicopter light system, and helicopter comprising the same
US10053214B2 (en) * 2015-03-27 2018-08-21 Goodrich Lighting Systems Gmbh Layer material for arranging on a rotor blade tip of a helicopter, helicopter light system, and helicopter comprising the same

Also Published As

Publication number Publication date
FR2377936B1 (en) 1980-02-22

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Legal Events

Date Code Title Description
ST Notification of lapse