EP1160431B1 - Entraínement pour le modèle réduit d'un hélicoptère - Google Patents

Entraínement pour le modèle réduit d'un hélicoptère Download PDF

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Publication number
EP1160431B1
EP1160431B1 EP01112293A EP01112293A EP1160431B1 EP 1160431 B1 EP1160431 B1 EP 1160431B1 EP 01112293 A EP01112293 A EP 01112293A EP 01112293 A EP01112293 A EP 01112293A EP 1160431 B1 EP1160431 B1 EP 1160431B1
Authority
EP
European Patent Office
Prior art keywords
drive unit
turbine
unit according
shaft
gearbox
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.)
Expired - Lifetime
Application number
EP01112293A
Other languages
German (de)
English (en)
Other versions
EP1160431A3 (fr
EP1160431A2 (fr
Inventor
Christoph Protte
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE20122107U priority Critical patent/DE20122107U1/de
Publication of EP1160431A2 publication Critical patent/EP1160431A2/fr
Publication of EP1160431A3 publication Critical patent/EP1160431A3/fr
Application granted granted Critical
Publication of EP1160431B1 publication Critical patent/EP1160431B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
    • A63H29/00—Drive mechanisms for toys in general
    • A63H29/22—Electric drives
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
    • A63H27/00—Toy aircraft; Other flying toys
    • A63H27/12—Helicopters ; Flying tops
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
    • A63H29/00—Drive mechanisms for toys in general

Definitions

  • the invention relates to a drive unit for a Model helicopter according to the preamble of the main claim.
  • the invention relates to a drive unit for a model helicopter with a hull at whose Center area bearing points for the detachable attachment of a Carrier are formed, which a rotor shaft, a transmission and stores a drive.
  • model making are a variety of designs known by drive units for model helicopters. These typically include two-stroke combustion model engines, as used in surface aircraft models.
  • the invention is based on the object, a drive unit for a model helicopter of the type mentioned to create which using a turbine with simple Construction and reliable handling in a model helicopter can be used.
  • the drive unit according to the invention is characterized by a Series of significant benefits.
  • the horizontal arrangement of the turbine on the one hand possible, the flow direction of the turbine of the model helicopter to adapt to the original models of helicopters and in particular the hull design according to the model perform. This applies in particular to the inlet area and the air supply to the turbine.
  • the turbine shaft on a Carrier is stored, which carries the gearbox. This is a ensures safe allocation between the turbine and the transmission.
  • the storage of the turbine shaft on the carrier is more preferred Way by means of a preloaded bearing. This is in favorable design at the free end of the turbine shaft mounted so that the gearbox is located at the rear of the warehouse Field of the turbine shaft can be flanged. By this measure, the overall stability of the arrangement increases.
  • the transmission is according to the invention preferably in three stages trained, it can be used as a belt transmission, as a gear transmission or be designed as a friction gear.
  • the transmission has a reduction of 100,000 rpm to 1,200 to 1,800 rpm.
  • a clutch arranged to provide a separation between the transmission and to make the rotor, especially if it to malfunction of the transmission or turbine comes. In this case, the model helicopter by autorotation of the rotor are landed safely.
  • the turbine with a speed-limiting device is provided.
  • This can for example include a controller for a fuel pump.
  • the model helicopter includes a main rotor and a tail rotor.
  • a turbine 2 is used horizontally in the direction of flow and thus also in Flight direction behind a vertically mounted rotor shaft 1 is arranged.
  • a turbine shaft 3 of the turbine 2 is in the flow direction extended forward and is by means of a warehouse 6 mounted on a support 5.
  • the carrier 5 includes both the storage of a transmission 4 as also the rotor shaft 1.
  • the turbine shaft 3 is on a yoke plate 10th stored by means of the bearing 6.
  • the bearing 6 can be used as a shoulder ball bearing be formed, it is by means of a spring assembly 11 biased.
  • the spring assembly 11 includes disc springs.
  • the yoke plate 10 is connected to a front support plate 8, which is part of the carrier 5.
  • a rear support plate 9 serves for further support of the turbine. 2
  • a bearing cage 12 provided, on which by means of bearings 13 and 14, the rotor shaft 1 is stored.
  • the rotor shaft 1 carries a bevel gear 15 which is designed as a gear or as a friction wheel can be.
  • This bevel gear 15 meshes with another bevel gear 16, which between the front and the rear support plate 8, 9 is mounted and with an output 18 for the Tail rotor is provided.
  • FIGs 4 and 5 respectively show the carrier plates 8 and 9th
  • the carrier 5 is formed as a whole is that he at articulation points of the hull in the usual way is attachable, leaving the drive unit as an entire unit taken in a simple manner from the model helicopter can be.
  • the clutch 7 is designed so that in case of damage or a stoppage of the turbine and the transmission of the Tail rotor with the main rotor continue to be firmly connected, so that a safe landing of the model helicopter by autorotation is possible.
  • a turbine speed is 100,000 rev / min based.
  • FIG. 6 to 8 show a wide embodiment of the Drive unit according to the invention. Same parts are with the same reference numerals as in the previous figures Mistake.
  • the third gear stage is formed by the bevel gears 15; 16, wherein the bevel gear 15 is arranged coaxially with the rotor shaft 1 is while the bevel gear 16 on an auxiliary shaft 17th sitting.
  • the auxiliary shaft 17 is connected to a centrifugal clutch 31 connected, which in turn releasably connected to the wheel 30 stands.
  • the formed by the bevel gears 15, 16 bevel gear (third Gear stage) can be designed and arranged differently be.
  • the direction of rotation of another bevel gear 32 which sits on a tail rotor shaft 33, changeable. It is thus possible, a rotation change for the main rotor and to provide the tail rotor.
  • the turbine rotates for example at a speed of 85000 min -1
  • the tail rotor shaft has a speed of 5886 min -1
  • the main shaft rotates at 1260 min -1. It goes without saying that these speed specifications are exemplary approx.
  • Overall, there is thus a total transmission ratio of the transmission of i 67.29.
  • the first stage has a ratio of 3.8: 1, while the second stage has a ratio of 3.8: 1.
  • the ratio is 4.66: 1.
  • an electric starter 34 may be provided be firmly connected to the drive unit according to the invention is.
  • the reference numeral 35 denotes a shaft coupling, that of the connection between the turbine shaft 3 and the transmission serves. Furthermore, on the rotor shaft 1, a freewheel 36 provided.
  • FIGS. 6 to 8 a total of two side plates 37 are provided, wherein one of the two side plates 37 for the purpose of clearer Representation was removed.
  • the two side plates 37 are connected by bearing struts 38, which also have additional functions, such as the attachment of bearings or the like allow.
  • a carriage 39 is provided for tensioning the belt drives, on which the intermediate shaft 21 is mounted. By lateral Moving the carriage 39 can tension the timing belt 25; 26. For this purpose, the carriage 39 Slotted holes in which are guided, which against a Cross member 40 are clamped.

Landscapes

  • Toys (AREA)
  • Catching Or Destruction (AREA)

Claims (12)

  1. Unité d'entraínement pour un modèle réduit d'hélicoptère, comportant un fuselage et un support (5), qui est apte à être mis en place dans le fuselage et sur lequel sont montés un arbre de rotor (1), un train d'engrenages (4) et une unité d'entraínement, caractérisée en ce que l'unité d'entraínement comporte une turbine (2), qui est agencée dans le sens horizontal et dont l'arbre (3) est prolongé dans la zone d'entrée de la turbine (2) et est relié au train d'engrenages (4) comportant des transmissions à courroie.
  2. Unité d'entraínement selon la revendication 1,
    caractérisée en ce que l'arbre de turbine (3) est monté sur le support (5), qui porte le train d'engrenages (4).
  3. Unité d'entraínement selon la revendication 2,
    caractérisée en ce que l'arbre de turbine (3) est monté sur le support (5) au moyen d'un palier (6) précontraint.
  4. Unité d'entraínement selon l'une quelconque des revendications 1 à 3, caractérisée en ce que le train d'engrenages (4) est agencé en amont de la turbine (2) par référence au sens d'écoulement.
  5. Unité d'entraínement selon l'une quelconque des revendications 1 à 4, caractérisée en ce que la turbine (2) est montée en aval de l'arbre du rotor (1) par référence au sens d'écoulement.
  6. Unité d'entraínement selon l'une quelconque des revendications 1 à 5, caractérisée en ce que le train d'engrenages (4) est conçu à trois étages.
  7. Unité d'entraínement selon l'une quelconque des revendications 1 à 6, caractérisée en ce que le train d'engrenages (4) a une démultiplication passant de 100 000 tr/min à 1 200 jusqu'à 1 800 tr/min.
  8. Unité d'entraínement selon l'une quelconque des revendications 1 à 7, caractérisée en ce qu'un embrayage (7) est agencé entre le train d'engrenages (4) et l'arbre du rotor (1).
  9. Unité d'entraínement selon la revendication 8,
    caractérisée en ce que l'embrayage (7) est conçu sous forme d'embrayage centrifuge.
  10. Unité d'entraínement selon la revendication 9,
    caractérisée en ce que l'embrayage (7) est conçu sous forme d'embrayage à roue libre pour l'auto-rotation du rotor.
  11. Unité d'entraínement selon l'une quelconque des revendications 1 à 10, caractérisée en ce que la turbine (2) est munie d'un dispositif de limitation de la vitesse de rotation.
  12. Unité d'entraínement selon la revendication 11,
    caractérisée en ce que le dispositif de limitation de la vitesse de rotation comporte une commande pour une pompe à carburant.
EP01112293A 2000-05-31 2001-05-18 Entraínement pour le modèle réduit d'un hélicoptère Expired - Lifetime EP1160431B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20122107U DE20122107U1 (de) 2000-05-31 2001-05-18 Antreibseinheit für einen Modellhubschrauber

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10027081A DE10027081C1 (de) 2000-05-31 2000-05-31 Antriebseinheit für einen Modellhubschrauber
DE10027081 2000-05-31

Publications (3)

Publication Number Publication Date
EP1160431A2 EP1160431A2 (fr) 2001-12-05
EP1160431A3 EP1160431A3 (fr) 2002-12-11
EP1160431B1 true EP1160431B1 (fr) 2005-12-21

Family

ID=7644287

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01112293A Expired - Lifetime EP1160431B1 (fr) 2000-05-31 2001-05-18 Entraínement pour le modèle réduit d'un hélicoptère

Country Status (4)

Country Link
US (1) US6484967B2 (fr)
EP (1) EP1160431B1 (fr)
AT (1) ATE313708T1 (fr)
DE (2) DE10027081C1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0315419D0 (en) * 2003-07-02 2003-08-06 Westland Helicopters Compliant spacer
US7529247B2 (en) * 2003-09-17 2009-05-05 Rivulet Communications, Inc. Empirical scheduling of network packets
US7296767B2 (en) * 2005-05-31 2007-11-20 Sikorsky Aircraft Corporation Variable speed transmission for a rotary wing aircraft
US20090146001A1 (en) * 2007-12-11 2009-06-11 Shigetada Taya Power transmission system for an aircraft
US9879768B2 (en) * 2013-12-11 2018-01-30 Velos Rotors Llc Multi-electric motor driven synchronous gearbox assembly with motor failure mechanism
US11186363B2 (en) 2015-10-21 2021-11-30 Sikorsky Aircraft Corporation Electric propulsion system for a rotary wing aircraft
US9828089B2 (en) 2016-01-29 2017-11-28 Sikorsky Aircraft Corporation Rotor drive systems for rotorcraft
US10752343B2 (en) 2016-10-18 2020-08-25 Sikorsky Aircraft Corporation Electric propulsion system for a rotary wing aircraft
US10577090B2 (en) 2017-02-16 2020-03-03 Sikorsky Aircraft Corporation Electric propulsion system with overrunning clutch for a rotary-wing aircraft
US10974824B2 (en) 2017-07-20 2021-04-13 Sikorsky Aircraft Corporation Electric powered direct drive rotor motor
US10676182B2 (en) 2017-07-20 2020-06-09 Sikorsky Aircraft Corporation Tilting coaxial rotor for a rotary wing aircraft
US10407166B2 (en) 2018-01-08 2019-09-10 Sikorsky Aircraft Corporation Yaw moment supplement for directional control

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS582706B2 (ja) * 1977-09-06 1983-01-18 マブチモ−タ−株式会社 ヘリコプタ模型装置
US4222280A (en) * 1978-08-21 1980-09-16 Stewart Donald M Speed changing unit construction
US4829850A (en) * 1987-02-25 1989-05-16 Soloy Dual Pac, Inc. Multiple engine drive for single output shaft and combining gearbox therefor
DE4010362C2 (de) * 1990-03-30 1994-03-10 Peter Schroeppel Triebwerk für flugfähige Modellhubschrauber
DE4209046A1 (de) * 1992-03-20 1993-09-23 Kurt Schreckling Kleingasturbine, insbesondere zum antrieb von flugmodellen
US5782079A (en) * 1997-02-25 1998-07-21 Industrial Technology Research Institute Miniature liquid-fueled turbojet engine
FR2769586B1 (fr) * 1997-10-01 1999-11-19 Pierre Hardoin Hydropal - terrestre aerien hp 02
DE20001233U1 (de) * 2000-01-25 2000-08-03 Henseleit Jan Flugfähiger Modellhubschrauber mit einstufigem Kegelradantrieb des Hauptrotors

Also Published As

Publication number Publication date
DE50108428D1 (de) 2006-01-26
DE10027081C1 (de) 2002-01-24
ATE313708T1 (de) 2006-01-15
US6484967B2 (en) 2002-11-26
EP1160431A3 (fr) 2002-12-11
EP1160431A2 (fr) 2001-12-05
US20020017591A1 (en) 2002-02-14

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