IPC분류정보
국가/구분 |
United States(US) Patent
공개
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0785609
(2014-04-18)
|
공개번호 |
US-0068263
(2016-03-10)
|
국제출원번호 |
PCT/US2014/034707
(2014-04-18)
|
발명자
/ 주소 |
- Ristroph, Leif
- Childress, Stephen
|
출원인 / 주소 |
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
0 |
초록
▼
A flapping wing device may include a main body and several wings hingedly coupled to the main body. The wings may be configured to reciprocate or “flap” relative to the main body to provide lift for the flapping wing device. A motor and trans mission, such as a crankshaft, are used to drive the reci
A flapping wing device may include a main body and several wings hingedly coupled to the main body. The wings may be configured to reciprocate or “flap” relative to the main body to provide lift for the flapping wing device. A motor and trans mission, such as a crankshaft, are used to drive the reciprocating motion of the wings. The wings reciprocate from a first position that is substantially vertically parallel to the main body of the device to a second position in which a second end, opposite the hinged end, extends away from the main body. The motion of the reciprocating wings may be reminiscent of the motion of a jellyfish. In some instances, a first set of opposing or alternating wings may be reciprocated at an offset period relative to a second set of opposing or alternating wings, such as a quarter period offset.
대표청구항
▼
1. An apparatus comprising: a body;a wing hingedly coupled to the body substantially at a first end of the wing; anda wing flapping mechanism coupled to the body and the wing;the wing having a first wing position and a second wing position relative to the body, the first wing position located near t
1. An apparatus comprising: a body;a wing hingedly coupled to the body substantially at a first end of the wing; anda wing flapping mechanism coupled to the body and the wing;the wing having a first wing position and a second wing position relative to the body, the first wing position located near the body and the second wing position extending away from the body;wherein the wing flapping mechanism is configured to reciprocally move the wing relative to the body from the first position to the second position. 2. The apparatus of claim 1, wherein the wing is a first wing, the apparatus further comprising a second wing hingedly coupled to the body substantially at a second end of the second wing and coupled to the body opposite the first wing. 3. The apparatus of claim 2, wherein the wing flapping mechanism is configured to reciprocally move the first wing and the second wing substantially simultaneously. 4. The apparatus of claim 3 further comprising: a third wing hingedly coupled to the body substantially at a third end of the third wing,wherein the wing flapping mechanism is configured to reciprocally move the third wing relative to the body a period of time after reciprocally moving the first wing and second wing. 5. The apparatus of claim 4, wherein the period of time a quarter period. 6. The apparatus of claim 4, wherein the wing flapping mechanism comprises: a motor fixedly attached to the body, anda transmission coupled to the motor,wherein the transmission is configured to reciprocally move the first wing, the second wing, and the third wing relative to the body. 7. The apparatus of claim 6, wherein the motor is fixedly attached substantially at a lower portion of the body to self-correct tilt of the apparatus. 8. The apparatus of claim 6, wherein a wing dimension of one of the first wing, the second wing, or the third wing is based on a characteristic of the motor. 9. The apparatus of claim 8, wherein the characteristic is a torque-frequency curve of the motor. 10. The apparatus of claim 1 further comprising one of a camera, a sensor, a storage device, or a transmitter. 11. The apparatus of claim 1, wherein the wing flapping mechanism is configured to control an amplitude of the second wing position relative to the body. 12. An apparatus comprising: a body;a motor fixedly attached to the body;a transmission coupled to the motor; anda plurality of wings, each wing of the plurality of wings having a span from a first end of the each wing to a second end, each wing having a chord-wise spar substantially perpendicular to an axis defined by the span, each wing hingedly coupled to the body substantially near the first end, and the chord-wise spar of each wing coupled to the transmission;wherein the transmission is configured to reciprocally move each wing of the plurality of wings relative to the body from a first position to a second position, wherein each wing is substantially vertically parallel to the body in the first position, and wherein the second end of each wing is extended outwardly from the body such that the wing is not substantially vertically parallel to the body in the second position. 13. The apparatus of claim 12, wherein the motor is fixedly attached substantially at a lower portion of the body to self-correct tilt. 14. The apparatus of claim 12, wherein each wing of the plurality of wings is configured to flex along the span of each wing. 15. The apparatus of claim 14, wherein a flexure of each wing is based, at least in part, on a speed of the motor. 16. The apparatus of claim 12, wherein each wing comprises a carbon fiber frame and a film covering. 17. The apparatus of claim 12, wherein a coupling of each wing of the plurality of wings is configured to substantially equalize a spin or tilt torque. 18. An apparatus comprising: a body;a motor fixedly attached to a lower portion of the body;a crankshaft coupled to the motor, the crankshaft rotatable relative to the body by the motor; anda plurality of wings, each wing of the plurality of wings having a span from a first end of the wing to a second end, each wing having a chord-wise spar perpendicular to an axis defined by the span, each wing pivotably coupled to the body substantially at the first end, and each chord-wise spar of each wing coupled to a portion of the crankshaft;wherein the crankshaft is configured to reciprocally move each wing of the plurality of wings relative to the body from a first position to a second position, wherein each wing is substantially vertically parallel to the body in the first position, and wherein the second end of each wing is extended outwardly from the body such that the wing is not substantially vertically parallel to the body in the second position;wherein the crankshaft is further configured such that a first set of opposing wings of the plurality of wings reciprocate together and a second set of opposing wings of the plurality of wings reciprocate together. 19. The apparatus of claim 18, wherein the reciprocation of the first set of opposing wings is offset from the reciprocation of the second set of opposing wings by a quarter period. 20. The apparatus of claim 18 further comprising one of a camera, a sensor, a storage device, or a transmitter.
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