Non-rotating stationary ground tube for a wind fairing
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B64C-007/00
B64C-027/10
출원번호
US-0222398
(2011-08-31)
등록번호
US-9199720
(2015-12-01)
발명자
/ 주소
Lonergan, Michael C.
Kohlhepp, Fred W.
Beatty, Robert D.
출원인 / 주소
SIKORSKY AIRCRAFT CORPORATION
대리인 / 주소
Cantor Colburn LLP
인용정보
피인용 횟수 :
0인용 특허 :
5
초록▼
A stationary ground tube for use in an aircraft rotor fairing includes a first cylindrical portion including a first bore aligned along a longitudinal axis, the cylindrical body portion having a tubular body from a first end to a second end; and a second cylindrical portion coupled to the first cyli
A stationary ground tube for use in an aircraft rotor fairing includes a first cylindrical portion including a first bore aligned along a longitudinal axis, the cylindrical body portion having a tubular body from a first end to a second end; and a second cylindrical portion coupled to the first cylindrical portion, the second cylindrical portion including a second bore aligned along the longitudinal axis. The second cylindrical portion is coupled to the aircraft rotor fairing via at least one attachment device.
대표청구항▼
1. A wind fairing system for use in a rotor assembly comprising: an upper hub fairing configured for coupling to an upper hub of the rotor assembly;a lower hub fairing configured for coupling to a lower hub of the rotor assembly; anda wind fairing configured for coupling to a ground tube, the ground
1. A wind fairing system for use in a rotor assembly comprising: an upper hub fairing configured for coupling to an upper hub of the rotor assembly;a lower hub fairing configured for coupling to a lower hub of the rotor assembly; anda wind fairing configured for coupling to a ground tube, the ground tube comprising: a first portion including a first through aperture aligned along a longitudinal axis, the first portion having a tubular body from an open first end to an opposed second end; anda second portion including a second through aperture from an open third end to an open fourth end, the second through aperture being aligned along the longitudinal axis, and the second portion being coupled to the first portion;wherein the first portion and second portion of the ground tube are stationary in relation to both the upper hub and the lower hub. 2. The wind fairing system of claim 1, wherein the wind fairing is coupled to the ground tube. 3. The wind fairing system of claim 1, wherein the third end is coupled to the first portion at the second end. 4. The wind fairing system of claim 1, further comprising a circular ring member circumferentially coupled at the first end of the first portion. 5. The wind fairing system of claim 4, wherein the circular ring member is coupled to an exterior surface of the first portion. 6. The wind fairing system of claim 1, wherein the second end comprises one opening for receiving an actuator configured for controlling at least one of the lower hub and the upper hub. 7. A wind fairing system for use in a rotor assembly comprising: an upper hub fairing configured for coupling to an upper hub of the rotor assembly;a lower hub fairing configured for coupling to a lower hub of the rotor assembly; anda wind fairing configured for coupling to a ground tube, the ground tube comprising: a first portion including a first through aperture aligned along a longitudinal axis, the first portion having a tubular body from an open first end to an opposed second end; anda second portion including a second through aperture from an open third end to an open fourth end, the second through aperture being aligned along the longitudinal axis, and the second portion being coupled to the first portion;wherein the second end comprises a predefined number of openings configured for receiving a plurality of actuators, the predefined number coincides with a number of actuators in the plurality of actuators. 8. The wind fairing system of claim 1, wherein the first through aperture and the second through aperture form a continuous opening within the stationary ground tube. 9. The wind fairing system of claim 1, wherein the second portion is configured for receiving an upper rotor shaft within the second through aperture. 10. A wind fairing system for use in a rotor assembly comprising: an upper hub fairing configured for coupling to an upper hub of the rotor assembly;a lower hub fairing configured for coupling to a lower hub of the rotor assembly; anda wind fairing configured for coupling to a ground tube, the ground tube comprising: a first portion including a first through aperture aligned along a longitudinal axis, the first portion having a tubular body from an open first end to an opposed second end; anda second portion including a second through aperture from an open third end to an open fourth end, the second through aperture being aligned along the longitudinal axis, and the second portion being coupled to the first portionwherein the first portion and the second portion reside within a lower rotor shaft, the lower rotor shaft configured to drive the lower hub. 11. A stationary ground tube for a coaxial rotor fairing comprising: a first portion including a first through aperture aligned along a longitudinal axis, the first portion having a tubular body from an open first end to an opposed second end; anda second portion including a second through aperture from an open third end to an open fourth end, the second through aperture being aligned along the longitudinal axis, and the second portion being coupled to the first portion;wherein the second portion is coupled to the coaxial rotor fairing;wherein the second end comprises a predefined number of openings configured for receiving a plurality of actuators, the predefined number coincides with a number of actuators in the plurality of actuators. 12. The stationary ground tube of claim 11, wherein the third end is coupled to the first portion at the second end. 13. The stationary ground tube of claim 11, further comprising a circular ring member circumferentially coupled at the first end of the first portion. 14. The stationary ground tube of claim 13, wherein the circular ring member is coupled to an exterior surface of the first portion. 15. The stationary ground tube of claim 11, wherein the second end comprises one opening for receiving an actuator configured for controlling at least one of the lower hub and the upper hub. 16. The stationary ground tube of claim 11, wherein the first through aperture and the second through aperture form a continuous opening within the stationary ground tube. 17. The stationary ground tube of claim 11, wherein the second portion is configured for receiving an upper rotor shaft within the second through aperture. 18. A stationary ground tube for a coaxial rotor fairing comprising: a first portion including a first through aperture aligned along a longitudinal axis, the first portion having a tubular body from an open first end to an opposed second end; anda second portion including a second through aperture from an open third end to an open fourth end, the second through aperture being aligned along the longitudinal axis, and the second portion being coupled to the first portion;wherein the second portion is coupled to the coaxial rotor fairing;wherein the first portion and the second portion resides within a lower rotor shaft, the lower rotor shaft configured to drive a lower hub of a rotor assembly.
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이 특허에 인용된 특허 (5)
Cycon James P. (Orange CT) Kohlhepp Fred W. (Hamden CT) Millea Vincent F. (Stratford CT), Coaxial transmission/center hub subassembly for a rotor assembly having ducted, coaxial counter-rotating rotors.
White Kevin A. ; Hunter David H. ; Milne Robert J. ; Poulin Stephen V. ; Trembicki Robert J., Control rod mounting arrangement for helicopter swashplates.
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