WO2010146045A1 - Drive system for aircraft on the ground - Google Patents

Drive system for aircraft on the ground Download PDF

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Publication number
WO2010146045A1
WO2010146045A1 PCT/EP2010/058371 EP2010058371W WO2010146045A1 WO 2010146045 A1 WO2010146045 A1 WO 2010146045A1 EP 2010058371 W EP2010058371 W EP 2010058371W WO 2010146045 A1 WO2010146045 A1 WO 2010146045A1
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WO
WIPO (PCT)
Prior art keywords
aircraft
drive system
current
designed
drive
Prior art date
Application number
PCT/EP2010/058371
Other languages
German (de)
French (fr)
Inventor
Klaus Foerst
Original Assignee
Klaus Foerst
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
Priority claimed from DE102009026982A external-priority patent/DE102009026982A1/en
Application filed by Klaus Foerst filed Critical Klaus Foerst
Publication of WO2010146045A1 publication Critical patent/WO2010146045A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C25/00—Alighting gear
    • B64C25/32—Alighting gear characterised by elements which contact the ground or similar surface 
    • B64C25/405—Powered wheels, e.g. for taxing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • 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
    • B64F1/00—Ground or aircraft-carrier-deck installations
    • B64F1/36—Other airport installations
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G9/00—Installations of electric cables or lines in or on the ground or water
    • H02G9/04—Installations of electric cables or lines in or on the ground or water in surface ducts; Ducts or covers therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/80—Energy efficient operational measures, e.g. ground operations or mission management

Definitions

  • the invention relates to a drive system for aircraft on the ground.
  • the invention has for its object to make the drive of aircraft on the ground more efficient and quieter.
  • the electric motors of the chassis can for example improve the acceleration during take-off.
  • the cable projector which hurls a cable in the manner of a lasso or a boilie in the direction of the fuselage or landing gear of an aircraft.
  • the cable can loop, for example, around a landing gear support, which also has contact surfaces on its outer side, which contact corresponding contact surfaces on the cable when, in the manner of a boilie the cable wraps around the landing gear support.
  • the ropes could end up also have suction cups, which are stuck to contact surfaces of the fuselage of an aircraft, so as to establish an electrical contact between the power rails and the electric motors of the landing gear.
  • Components of the system are thus busbars in a taxiway of the aerodrome, a cable launcher for hurling a cable in the direction of an aircraft and contacts on the cable and mating contacts on the aircraft.
  • the mating contacts on the aircraft are connected to electric motors for driving one or more wheels of the landing gear.
  • the components of the system are in particular the cable launcher and an aircraft with contacts and electric motors for the wheel drive of the aircraft.
  • Fig. 1 shows a schematic overview of the system according to the invention
  • Fig. 2 shows a cable launcher for the system according to the invention.
  • Fig. 3 shows an example of a high voltage power supply integrated in the runway of an aerodrome.
  • Fig. 1 shows schematically fuselage A and chassis B of an aircraft.
  • electrical contacts are provided, of which electrical lines lead to electric motors, which serve to drive one or more wheels of the chassis B.
  • the electric motors can be wheel hub motors.
  • a high-voltage supply system 1 (details see FIG. 2) has a cable thrower c, with which a cable D can be thrown in the direction of the contacts C on the fuselage A of the aircraft. At the end of the cable D contacts E are arranged, which make contact with the corresponding contacts C on the fuselage A of the aircraft. This is shown in the enlarged detail view in Fig. 1 at the top right.
  • the electric motors of the chassis B can be supplied with power. The control takes place from the cockpit of the aircraft.
  • Fig. 2 shows the high voltage power supply system with a cable launcher c, which has an explosion chamber e and a barrel f in the manner of a cannon.
  • Explosion chamber and barrel are used to spin the cable D (see Fig. 1) targeted in the direction of the fuselage A and 12 of the aircraft.
  • a control unit a is provided with an optical system for the alignment of the cable thrower c and thus for establishing the contact with the aircraft.
  • the cable thrower c With a drive d, the cable thrower c can be aligned.
  • the drive d and the cable thrower c are arranged in a housing b.
  • a high-voltage connecting rail 2 serves to connect the cable E with a high-voltage source, which is embedded in the runway of the aerodrome, in the form of a busbar.
  • a high-voltage source which is embedded in the runway of the aerodrome, in the form of a busbar.
  • FIG. 3 again shows the high-voltage supply system 1 and the high-voltage connection rail 2.
  • the high-voltage connection rail 2 is provided with a housing 3 for a high-voltage moving unit, which leads via guides 7.
  • the guides 7 are housed in a running shaft in the runway of the airfield.
  • the high-voltage moving unit is connected to a current collector 5, which is pressed in the operating case via springs 4 to the power rail 6.
  • the running shaft 10 is embedded as a chamber in the bottom of the runway and arranged so that it runs parallel to the taxiways of the aircraft.
  • high voltage source e.g. conductor rail

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)

Abstract

The invention relates to a drive system for an aircraft, comprising an electric motor. With the aim of allowing aircraft to be driven on the ground more efficiently and also more quietly, the invention provides that the electric motor is designed to drive at least one wheel of a landing gear of the aircraft and to move the aircraft by driving the at least one wheel with at least partial adhesion to the ground. The invention also relates to an electrical power routing system for a taxiway area of an airfield, comprising an element which carries current, which is arranged along the taxiway and is designed to pass electrical power for operation of an electrical machine to a drive system for at least one aircraft; and at least one contact-making apparatus, which is designed to make an electrically conductive connection between the current-carrying element and the aircraft on the taxiway.

Description

„Antriebssystem für Luftfahrzeuge am Boden" "Aircraft propulsion system on the ground"
Beschreibungdescription
Die Erfindung betrifft ein Antriebssystem für Luftfahrzeuge am Boden.The invention relates to a drive system for aircraft on the ground.
Der Erfindung liegt die Aufgabe zugrunde, den Antrieb von Flugzeugen am Boden effizienter und auch leiser zu gestalten.The invention has for its object to make the drive of aircraft on the ground more efficient and quieter.
Zur Lösung dieser Aufgabe wird vorgeschlagen, das Fahrwerk eines Flugzeugs mit Elektromotoren, beispielsweise Radnabenmotoren, auszurüsten, so dass sich ein solches Flugzeug am Boden mit Hilfe dieser Motoren fortbewegen kann und nicht seine Turbinen oder sonstigen Flugantriebe benutzen muss.To solve this problem, it is proposed to equip the landing gear of an aircraft with electric motors, for example wheel hub motors, so that such an aircraft can move on the ground with the aid of these motors and not have to use its turbines or other aircraft drives.
Andererseits können die Elektromotoren des Fahrwerks bei eingeschalteten Turbinen beispielsweise die Beschleunigung beim Start verbessern.On the other hand, when the turbines are on, the electric motors of the chassis can for example improve the acceleration during take-off.
Zur Energieversorgung der Elektromotoren wird vorgeschlagen, die Rollstrecken eines jeweiligen Flugplatzes mit Starkstromschienen als stromführendes Element auszurüsten.To supply power to the electric motors is proposed to equip the taxiways of each airfield with power rails as a current-carrying element.
Zur Übertragung des Stroms aus den Starkstromschienen zum Flugzeug wird vorgeschlagen, einen Kabelwerfer vorzusehen, der ein Kabel nach Art eines Lassos oder einer BoIa in Richtung des Rumpfes oder des Fahrwerks eines Flugzeugs schleudert. Dabei kann sich das Kabel nach Art einer BoIa beispielsweise um eine Fahrwerksstütze schlingen, die auch auf ihrer Außenseite Kontaktflächen besitzt, die entsprechende Kontaktflächen am Kabel kontaktieren, wenn sich das Kabel um die Fahrwerksstütze schlingt. Die Seile könnten am Ende auch Saugnäpfe besitzen, die sich an Kontaktflächen des Rumpfes eines Flugzeuges festsaugen, um auf diese Weise einen elektrischen Kontakt zwischen den Starkstromschienen und den Elektromotoren des Fahrwerks herzustellen.In order to transmit the current from the power rails to the aircraft, it is proposed to provide a cable projector which hurls a cable in the manner of a lasso or a boilie in the direction of the fuselage or landing gear of an aircraft. In this case, the cable can loop, for example, around a landing gear support, which also has contact surfaces on its outer side, which contact corresponding contact surfaces on the cable when, in the manner of a boilie the cable wraps around the landing gear support. The ropes could end up also have suction cups, which are stuck to contact surfaces of the fuselage of an aircraft, so as to establish an electrical contact between the power rails and the electric motors of the landing gear.
Komponenten des Systems sind somit Stromschienen in einem Rollweg des Flugplatzes, ein Kabelwerfer zum Schleudern eines Kabels in Richtung eines Flugzeugs sowie Kontakte am Kabel sowie Gegenkontakte am Flugzeug. Die Gegenkontakte am Flugzeug sind mit Elektromotoren zum Antreiben eines oder mehrerer Räder des Fahrwerks verbunden.Components of the system are thus busbars in a taxiway of the aerodrome, a cable launcher for hurling a cable in the direction of an aircraft and contacts on the cable and mating contacts on the aircraft. The mating contacts on the aircraft are connected to electric motors for driving one or more wheels of the landing gear.
Die Komponenten des Systems sind insbesondere der Kabelwerfer und ein Flugzeug mit Kontakten und Elektromotoren für den Radantrieb des Flugzeugs.The components of the system are in particular the cable launcher and an aircraft with contacts and electric motors for the wheel drive of the aircraft.
Die beigefügten Skizzen dienen der Erläuterung der Erfindung.The attached sketches serve to explain the invention.
Fig. 1 zeigt einen schematischen Überblick über das erfindungsgemäße System;Fig. 1 shows a schematic overview of the system according to the invention;
Fig. 2 zeigt einen Kabelwerfer für das erfindungsgemäße System; undFig. 2 shows a cable launcher for the system according to the invention; and
Fig. 3 zeigt ein Beispiel für eine in das Rollfeld eines Flugplatzes integrierte Hochspannungsversorgung.Fig. 3 shows an example of a high voltage power supply integrated in the runway of an aerodrome.
Fig. 1 zeigt schematisch Rumpf A und Fahrwerk B eines Flugzeuges. Am Rumpf A des Flugzeuges sind elektrische Kontakte vorgesehen, von denen elektrische Leitungen zu Elektromotoren führen, die dem Antrieb eines oder mehrerer Räder des Fahrwerkes B dienen. Die Elektromotoren können Radnabenmotoren sein.Fig. 1 shows schematically fuselage A and chassis B of an aircraft. On the fuselage A of the aircraft electrical contacts are provided, of which electrical lines lead to electric motors, which serve to drive one or more wheels of the chassis B. The electric motors can be wheel hub motors.
Ein Hochspannungsversorgungssystem 1 (Details siehe Fig. 2) besitzt einen Kabelwerfer c, mit dem ein Kabel D in Richtung der Kontakte C am Rumpf A des Flugzeuges geschleudert werden können. Am Ende des Kabels D sind Kontakte E angeordnet, die mit den entsprechenden Kontakten C am Rumpf A des Flugzeuges Kontakt aufnehmen. Dies ist in der vergrößerten Detailansicht in Fig. 1 oben rechts dargestellt. Über das Hochspannungsversorgungssystem 1 können die Elektromotoren des Fahrwerks B mit Strom versorgt werden. Die Steuerung erfolgt aus dem Cockpit des Flugzeuges heraus. Fig. 2 zeigt das Hochspannungsversorgungssystem mit einem Kabelwerfer c, der nach Art einer Kanone eine Explosionskammer e und einen Lauf f besitzt. Explosionskammer und Lauf dienen dazu, das Kabel D (siehe Fig. 1) gezielt in Richtung des Rumpfes A bzw. 12 des Flugzeuges zu schleudern. Dazu ist eine Steuereinheit a mit einem optischen System für die Ausrichtung des Kabelwerfers c und damit zum Herstellen des Kontakts mit dem Flugzeug vorgesehen. Mit einem Antrieb d kann der Kabelwerfer c ausgerichtet werden. Der Antrieb d und der Kabelwerfer c sind in einem Gehäuse b angeordnet.A high-voltage supply system 1 (details see FIG. 2) has a cable thrower c, with which a cable D can be thrown in the direction of the contacts C on the fuselage A of the aircraft. At the end of the cable D contacts E are arranged, which make contact with the corresponding contacts C on the fuselage A of the aircraft. This is shown in the enlarged detail view in Fig. 1 at the top right. About the high voltage power supply system 1, the electric motors of the chassis B can be supplied with power. The control takes place from the cockpit of the aircraft. Fig. 2 shows the high voltage power supply system with a cable launcher c, which has an explosion chamber e and a barrel f in the manner of a cannon. Explosion chamber and barrel are used to spin the cable D (see Fig. 1) targeted in the direction of the fuselage A and 12 of the aircraft. For this purpose, a control unit a is provided with an optical system for the alignment of the cable thrower c and thus for establishing the contact with the aircraft. With a drive d, the cable thrower c can be aligned. The drive d and the cable thrower c are arranged in a housing b.
Eine Hochspannungsverbindungsschiene 2 dient dazu, das Kabel E mit einer ins Rollfeld des Flugplatzes eingelassenen Hochspannungsquelle in Form einer Stromschiene zu verbinden. Dies ist in Fig. 3 im Detail dargestellt. Fig. 3 zeigt noch einmal das Hochspannungsversorgungssystem 1 sowie die Hochspannungsverbindungsschiene 2. Die Hochspannungsverbindungsschiene 2 ist mit einem Gehäuse 3 für eine Hochspannungsbewegungseinheit versehen, die über Führungen 7 führt. Die Führungen 7 sind in einem Laufschacht im Rollfeld des Flugplatzes untergebracht. Die Hochspannungsbewegungseinheit ist mit einem Stromabnehmer 5 verbunden, der im Betriebsfall über Federn 4 an die Starkstromschiene 6 gedrückt wird. Der Laufschacht 10 ist als Kammer in den Boden des Rollfeldes eingelassen und so angeordnet, dass er parallel zu den Rollwegen des Flugzeuges verläuft. A high-voltage connecting rail 2 serves to connect the cable E with a high-voltage source, which is embedded in the runway of the aerodrome, in the form of a busbar. This is shown in Fig. 3 in detail. 3 again shows the high-voltage supply system 1 and the high-voltage connection rail 2. The high-voltage connection rail 2 is provided with a housing 3 for a high-voltage moving unit, which leads via guides 7. The guides 7 are housed in a running shaft in the runway of the airfield. The high-voltage moving unit is connected to a current collector 5, which is pressed in the operating case via springs 4 to the power rail 6. The running shaft 10 is embedded as a chamber in the bottom of the runway and arranged so that it runs parallel to the taxiways of the aircraft.
Bezugszeichenliste zu Fig. 2 a) Optisches System für Kontakt mit Flugzeug b) Gehäuse für Kabelwerfer und Antrieb c) Kabelwerfer für Hochspannungsverbindung zu einem Flugzeug d) Antriebsgehäuse e) Explosionskammer f) Lauf des Kabelwerfers A) Optical system for contact with aircraft b) Housing for cable launcher and drive c) Cable launcher for high-voltage connection to an aircraft d) Drive housing e) Explosion chamber f) Running of the cable launcher
Bezugszeichenliste zu Fig. 3List of reference numbers for FIG. 3
1) Hochspannungsversorgungssystem1) high voltage power supply system
2) Hochspannungsverbindungsstange2) High voltage connecting rod
3) Gehäuse der Hochspannungsbewegungseinheit3) Housing of the high voltage moving unit
4) Feder zum Verbinden des Stromabnehmers mit der Hochspannung4) Spring for connecting the pantograph to the high voltage
5) Stromabnehmer zur Verbindung mit der Hochspannungsquelle5) Current collector for connection to the high voltage source
6) Hochspannungsquelle, z.B. Stromschiene6) high voltage source, e.g. conductor rail
7) Führungssystem für Hochspannungsfahrzeug7) Guiding system for high voltage vehicle
8) Rollbahn8) runway
9) Hochspannungsfahrzeug außer Betrieb - Rückkehr9) High voltage vehicle out of service - return
10) Kammer zur Bewegung parallel zum Flugzeug10) Chamber for movement parallel to the aircraft
11) Führungssystem für Hochspannungsfahrzeug 11) High voltage vehicle guidance system

Claims

„Antriebssystem für Luftfahrzeuge am Boden"Ansprüche "Aircraft propulsion system on the ground" claims
1. Antriebssystem für ein Luftfahrzeug, umfassend einen Elektromotor, dadurch gekennzeichnet, dass der Elektromotor ausgebildet ist, mindestens ein Rad eines Fahrwerks des Luftfahrzeuges anzutreiben und durch Antrieb des mindestens einen Rades das Luftfahrzeug bei zumindest teilweise gegebener Bodenhaftung fortzubewegen.A drive system for an aircraft, comprising an electric motor, characterized in that the electric motor is designed to drive at least one wheel of a chassis of the aircraft and to move the aircraft by at least partially given by driving the at least one wheel.
2. Antriebssystem nach Anspruch 1, bei dem der Elektromotor ein Radnabenmotor ist.2. Drive system according to claim 1, wherein the electric motor is a wheel hub motor.
3. Antriebssystem nach Anspruch 1 oder 2, umfassend einen Generator, der ausgebildet ist, einen elektrischen Strom für einen Betrieb der elektrischen Maschine des Antriebssystems bereitzustellen.3. A drive system according to claim 1 or 2, comprising a generator which is adapted to provide an electric current for operation of the electric machine of the drive system.
4. Antriebssystem nach einem der vorstehenden Ansprüche, das ausgebildet ist, den elektrischen Strom für den Betrieb der elektrischen Maschine des Antriebssystems von außerhalb des Luftfahrzeuges her zu beziehen.4. Drive system according to one of the preceding claims, which is adapted to draw the electric current for the operation of the electric machine of the drive system from outside the aircraft ago.
5. Luftfahrzeug mit einem Antriebssystem nach einem der Ansprüche 1 bis 4, aufweisend mit dem Antriebssystem verbundene Aufnahmemittel zur Aufnahme einer Kontaktstelle eines sich außerhalb des Luftfahrzeug befindlichen Stromleiters, wobei das Antriebssystem des Flugzeuges ausgebildet ist, bei gegebener Kontaktierung der Aufnahmemittel mit der Kontaktstelle des Stromleiters einen für einen jeweiligen Betriebszustand der elektrischen Maschine des Antriebssystems notwendigen elektrischen Strom über den Stromleiter zu beziehen.5. Aircraft with a drive system according to one of claims 1 to 4, comprising receiving means connected to the drive system for receiving a contact point of a located outside of the aircraft conductor, wherein the drive system of the aircraft is formed, given Contacting the receiving means with the contact point of the conductor to obtain a necessary for a respective operating state of the electrical machine of the drive system electrical current via the conductor.
6. Stromführungssystem für ein Rollfeld eines Flugplatzes, umfassend ein stromführendes Element, das entlang des Rollfeldes angeordnet ist und ausgebildet ist, einen Strom für den Betrieb einer elektrischen Maschine eines Antriebsystems mindestens eines Luftfahrzeugs nach Anspruch 5 zu führen; und mindestens eine Kontaktierungsvorrichtung, die ausgebildet ist, eine elektrisch leitfähige Verbindung zwischen dem stromführenden Element und dem Luftfahrzeug auf dem Rollfeld bereitzustellen.6. An airfield airfield runner system comprising an energized element disposed along the runway and configured to carry a current for operation of an electric machine of a propulsion system of at least one aircraft according to claim 5; and at least one contacting device configured to provide an electrically conductive connection between the current-carrying element and the aircraft on the tarmac.
7. Stromführungssystem nach Anspruch 6, bei dem die Kontaktierungsvorrichtung in Form eines Kabelwerfers ausgestaltet ist.7. Current-carrying system according to claim 6, wherein the contacting device is designed in the form of a cable thrower.
8. Stromführungssystem nach Anspruch 6 oder 7, bei dem das stromführende Element in Form von Stromschienen ausgestaltet ist. 8. Current management system according to claim 6 or 7, wherein the current-carrying element is designed in the form of busbars.
PCT/EP2010/058371 2009-06-15 2010-06-15 Drive system for aircraft on the ground WO2010146045A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102009026944.4 2009-06-15
DE102009026944 2009-06-15
DE102009026982.7 2009-06-16
DE102009026982A DE102009026982A1 (en) 2009-06-16 2009-06-16 Drive system for aircraft, has electric motor that is designed to drive wheel of landing gear of aircraft and to move aircraft by driving another wheel with partial adhesion to ground

Publications (1)

Publication Number Publication Date
WO2010146045A1 true WO2010146045A1 (en) 2010-12-23

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PCT/EP2010/058371 WO2010146045A1 (en) 2009-06-15 2010-06-15 Drive system for aircraft on the ground

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104760705A (en) * 2015-02-15 2015-07-08 南京理工大学 Vehicle-mounted aircraft taking-off and landing device
CN105836150A (en) * 2016-04-15 2016-08-10 西安天鹰防务科技有限公司 Electromagnet positioning device for landing of unmanned aerial vehicle on vehicle-mounted landing platform

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH350878A (en) * 1957-12-02 1960-12-15 T Guerra Marta Drive device on an aircraft impeller
DE1273335B (en) * 1967-01-05 1968-07-18 Lloyd Dynamowerke G M B H Drive for an airplane landing gear wheel
US4036147A (en) * 1975-03-28 1977-07-19 Westling Wayne A Rapid transit system
DE9401022U1 (en) * 1994-01-24 1994-05-19 Manfred Fladung GmbH, 63776 Mömbris Supply arrangement
GB2325651A (en) * 1997-05-27 1998-12-02 Marine Lifeline Launching apparatus and projectile
US20080258014A1 (en) * 2007-04-20 2008-10-23 The Boeing Company Aircraft kinetic landing energy conversion system
WO2008146110A1 (en) * 2007-05-25 2008-12-04 Axa Power Aps An aircraft service pit with a ground power unit

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH350878A (en) * 1957-12-02 1960-12-15 T Guerra Marta Drive device on an aircraft impeller
DE1273335B (en) * 1967-01-05 1968-07-18 Lloyd Dynamowerke G M B H Drive for an airplane landing gear wheel
US4036147A (en) * 1975-03-28 1977-07-19 Westling Wayne A Rapid transit system
DE9401022U1 (en) * 1994-01-24 1994-05-19 Manfred Fladung GmbH, 63776 Mömbris Supply arrangement
GB2325651A (en) * 1997-05-27 1998-12-02 Marine Lifeline Launching apparatus and projectile
US20080258014A1 (en) * 2007-04-20 2008-10-23 The Boeing Company Aircraft kinetic landing energy conversion system
WO2008146110A1 (en) * 2007-05-25 2008-12-04 Axa Power Aps An aircraft service pit with a ground power unit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104760705A (en) * 2015-02-15 2015-07-08 南京理工大学 Vehicle-mounted aircraft taking-off and landing device
CN105836150A (en) * 2016-04-15 2016-08-10 西安天鹰防务科技有限公司 Electromagnet positioning device for landing of unmanned aerial vehicle on vehicle-mounted landing platform

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