IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0722848
(2010-03-12)
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등록번호 |
US-8523107
(2013-09-03)
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발명자
/ 주소 |
- Salmon, James Jason
- Barmichev, Sergey D.
- Long, Michael Allan
|
출원인 / 주소 |
|
대리인 / 주소 |
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인용정보 |
피인용 횟수 :
4 인용 특허 :
7 |
초록
▼
A landing gear for an aircraft. The landing gear may have a wheel/truck assembly, an oleo strut/support frame for supporting the wheel/truck assembly, and a retraction assembly attached to the oleo strut/support frame, the retraction assembly for moving the landing gear between a deployed position a
A landing gear for an aircraft. The landing gear may have a wheel/truck assembly, an oleo strut/support frame for supporting the wheel/truck assembly, and a retraction assembly attached to the oleo strut/support frame, the retraction assembly for moving the landing gear between a deployed position and a retracted position. The retraction assembly may have a pivoting trunnion brace attached to the oleo strut/support frame and to a fuselage of the aircraft for positioning the wheel/truck assembly, the oleo strut/support frame and the retraction assembly at least substantially fully within the fuselage of the aircraft in the retracted position.
대표청구항
▼
1. A landing gear for an aircraft, comprising: a plurality of wheels connected to a number of axles forming a wheel/truck assembly;an oleo strut configured to attach the wheel/truck assembly to a retraction assembly; andthe retraction assembly configured to move the landing gear between a deployed p
1. A landing gear for an aircraft, comprising: a plurality of wheels connected to a number of axles forming a wheel/truck assembly;an oleo strut configured to attach the wheel/truck assembly to a retraction assembly; andthe retraction assembly configured to move the landing gear between a deployed position and a retracted position, the retraction assembly including a pivoting trunnion brace having a first end and a second end, wherein the first end is attached to the oleo strut and the second end is attached to a fuselage of the aircraft, and wherein the trunnion brace is configured to position the wheel/truck assembly, the oleo strut, and the retraction assembly fully within the fuselage of the aircraft when in the retracted position. 2. The landing gear of claim 1, wherein the retraction assembly comprises a retract actuator connecting the first end of the pivoting trunnion brace to the oleo strut. 3. The landing gear of claim 2, wherein the retract actuator connects a first pivot point located on the pivoting trunnion brace and a second pivot point located on the oleo strut. 4. The landing gear of claim 1, wherein the oleo strut comprises a set of truss members configured to be supported by a drag brace and a side brace which are held on-center via a pair of folding lock links. 5. The landing gear of claim 1, wherein the retraction assembly comprises a drag brace configured to form a straight drag load path from the oleo strut to the fuselage, and a side brace configured to form a straight side load path from the oleo strut to the fuselage. 6. The landing gear of claim 5, wherein the retraction assembly comprises a four bar linkage with the oleo strut and the aircraft. 7. The landing gear of claim 6, wherein the aircraft comprises a first bar of the four bar linkage, the oleo strut comprises a second bar of the four bar linkage, the pivoting trunnion brace comprises a third bar of the four bar linkage, and a fourth bar of the four bar linkage is one of the drag brace or the side brace. 8. The landing gear of claim 7, wherein the retraction assembly further comprises a pair of folding lock links configured to stabilize the four bar linkage. 9. The landing gear of claim 1, wherein the number of axles forming the wheel/truck assembly comprises one of one axle, two axles, or three axles. 10. A landing gear for an aircraft, comprising: a plurality of wheels connected to a number of axles forming a wheel/truck assembly;an oleo strut configured to attach the wheel/truck assembly to a retraction assembly; andthe retraction assembly configured to move the landing gear between a deployed position outwardly of a fuselage of the aircraft, and a retracted position, the retraction assembly including a pivoting trunnion brace having a first end and a second end, wherein the first end is attached to the oleo strut and the second end is attached to the fuselage, and wherein the trunnion brace is configured to position the wheel/truck assembly, the oleo strut, and the retraction assembly fully within the fuselage when in the retracted position. 11. The landing gear of claim 10, wherein the retraction assembly comprises a retract actuator connecting the first end of the pivoting trunnion brace to the oleo strut. 12. The landing gear of claim 10, wherein the retraction assembly comprises a drag brace configured to form a straight drag load path from the oleo strut to the fuselage, and a side brace configured to form a straight side load path from the oleo strut to the fuselage. 13. The landing gear of claim 12, wherein the retraction assembly comprises a four bar linkage with the oleo strut and the aircraft. 14. The landing gear of claim 13, wherein the aircraft comprises a first bar of the four bar linkage, the oleo strut comprises a second bar of the four bar linkage, the pivoting trunnion brace comprises a third bar of the four bar linkage, and a fourth bar of the four bar linkage is one of the drag brace or the side brace. 15. The landing gear of claim 10, wherein the number of axles forming the wheel/truck assembly comprises one of one axle, two axles, or three axles. 16. The landing gear of claim 10, wherein the aircraft comprises a wide body aircraft and wherein the wheel/truck assembly, the oleo strut, and the retraction assembly are fully within the fuselage of the aircraft when the landing gear is in the retracted position.
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