GB2358162A - Rotating aircraft wheels prior to landing - Google Patents

Rotating aircraft wheels prior to landing Download PDF

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Publication number
GB2358162A
GB2358162A GB0000806A GB0000806A GB2358162A GB 2358162 A GB2358162 A GB 2358162A GB 0000806 A GB0000806 A GB 0000806A GB 0000806 A GB0000806 A GB 0000806A GB 2358162 A GB2358162 A GB 2358162A
Authority
GB
United Kingdom
Prior art keywords
wheel
aircraft
spinner
aircraft wheel
aerofoils
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.)
Withdrawn
Application number
GB0000806A
Other versions
GB0000806D0 (en
Inventor
Joanna Steele-Perkins
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.)
STEELE PERKINS JOANNA
Original Assignee
STEELE PERKINS JOANNA
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 STEELE PERKINS JOANNA filed Critical STEELE PERKINS JOANNA
Priority to GB0000806A priority Critical patent/GB2358162A/en
Publication of GB0000806D0 publication Critical patent/GB0000806D0/en
Publication of GB2358162A publication Critical patent/GB2358162A/en
Withdrawn legal-status Critical Current

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 
    • B64C25/40—Alighting gear characterised by elements which contact the ground or similar surface  the elements being rotated before touch-down

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Tires In General (AREA)

Abstract

An aircraft wheel is rotated by air flowing past it by means of a spinner comprising curved aerofoils that may be partially enclosed. The spinner may be secured to the wheel by nuts and bolts or by welding.

Description

2358162
DESCRIPTION: AIRCRAFT MqMEL SPINNER
When an aircraft "touches down7 it's wheels accelerate from stationary to anything up to about 200 mph in a fraction of a second. The result is invariably a r(.screecW' as the tyres skid and build up speed, a cloud of smoke as rubber is burnt off and a black mark of rubber is left on the runwdy. This reduces the operational life of the tyres, puts considerable strains on the wheel components, leads to a need to maintain and clean the runway and causes unpleasant emissions to the environment.
This invention relates to a devise which can be attached to some, or all, of the aircraft's wheels which, by using the aircraft's speed through the air, spins the wheels in order to reduce the speed differential between the wheels and the ground when it "touches dowd'. The result is reduced tyre wear, reduced strain on the wheel components, a reduced runway maintenance and reduced environmental emissions.
The devise and consists of a disc with holes (if required) for securing to the aircraft's wheel at the appropriate position depending upon the wheel design. Curved aerofoils are attached to the disc and are equally spaced around it. An outer disc can be fitted to partially cover the aerofoils.
The devise can be bolted directly to the aircraft's wheel or attached using the main nuts and bolts which secure the aircraft's wheel or fixed in any other way such as welding directly to the wheel.
The wheel spinner can be made from a metallic light alloy, carbon fibre or similar low weight and high durability material. The aerofoils and the disc could be manufactured separately or the whole item could be casted or moulded as a single integral structure. The design for the left hand side wheels would be the cmirror image" or "negative "' of that for the right hand side wheels.
The speed at which the wheel spinner spins the aircraft's wheels will bedetermined by the precise spacing, profile, size and angle of the aerofoils, together with the aircraft's approach speed through the air. The precise design for each type of aircraft would, therefore, need to be determined following wind tunnel testing and trials, but the concept and features would be the same. Once the precise configuration needed for a Boeing 747, for example, had been determined, it could then be applied world wide.
The accompanying drawings show the principle elements of the design.
Figure I shows a plan view of the wheel spinner with the outer cover removed for clarification.
Figure 2 shows a section through the wheel spinner. Section line shown on Figure 1.
Figure 3 shows a section through the aircraft's wheel and the devise attached using the aircraft's existing wheel bolts.
Figure 4 shows a 3D view of the wheel spinner.
Figure 5 shows a 3D view of the wheel spinner as attached to an aircraft's wheel with tyre.
Note: All drawings show the wheel spinner configured for the left hand side of the aircraft.

Claims (5)

1. An aircraft wheel spinner to be attached to the wheels of an aircraft which by the movement of the aircraft through the air spins the wheel.
2. An aircraft wheel spinner as claimed in Claim 1 wh&ein curved aerofoils induce the spinning of the aircraft wheel as described in Clahn 1.
3. An aircraft wheel spinner as claimed in Claim 1 and Claim 2 wherein the aerofoils are partially enclosed.
4. An aircraft wheel spinner as claimed in Claim 1 wherein provision for attachment to the aircraft wheel is made through drilled holes configured to the aircraft's wheel nuts or a separate set of nuts and bolts securing the devise to the wheel.
5. An aircraft wheel spinner as claimed in Claim 1 wherein attachment to the aircraft wheel is made through welding directly to the aircraft wheel.
CLIAIMS 1 c-1
GB0000806A 2000-01-15 2000-01-15 Rotating aircraft wheels prior to landing Withdrawn GB2358162A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0000806A GB2358162A (en) 2000-01-15 2000-01-15 Rotating aircraft wheels prior to landing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0000806A GB2358162A (en) 2000-01-15 2000-01-15 Rotating aircraft wheels prior to landing

Publications (2)

Publication Number Publication Date
GB0000806D0 GB0000806D0 (en) 2000-03-08
GB2358162A true GB2358162A (en) 2001-07-18

Family

ID=9883667

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0000806A Withdrawn GB2358162A (en) 2000-01-15 2000-01-15 Rotating aircraft wheels prior to landing

Country Status (1)

Country Link
GB (1) GB2358162A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3178135A (en) * 1963-12-30 1965-04-13 Berwyn C Moore Landing aircraft wheel rotator
GB2075445A (en) * 1980-02-04 1981-11-18 Briffa Paul Aircraft Undercarriage Wheel
US5104063A (en) * 1990-04-27 1992-04-14 Hartley James M Aircraft landing gear prerotation system
EP0492686A1 (en) * 1990-12-21 1992-07-01 Giovanni Adiletta System to induce wheel rotation in aircraft
WO1992015483A1 (en) * 1991-03-05 1992-09-17 Julian Pasqua Aircraft wheel prerotation apparatus
GB2311264A (en) * 1996-03-22 1997-09-24 Paul William Toon Rotating undercarriage wheels prior to landing

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3178135A (en) * 1963-12-30 1965-04-13 Berwyn C Moore Landing aircraft wheel rotator
GB2075445A (en) * 1980-02-04 1981-11-18 Briffa Paul Aircraft Undercarriage Wheel
US5104063A (en) * 1990-04-27 1992-04-14 Hartley James M Aircraft landing gear prerotation system
EP0492686A1 (en) * 1990-12-21 1992-07-01 Giovanni Adiletta System to induce wheel rotation in aircraft
WO1992015483A1 (en) * 1991-03-05 1992-09-17 Julian Pasqua Aircraft wheel prerotation apparatus
GB2311264A (en) * 1996-03-22 1997-09-24 Paul William Toon Rotating undercarriage wheels prior to landing

Also Published As

Publication number Publication date
GB0000806D0 (en) 2000-03-08

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)