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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0993872 (1992-12-23) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 16 인용 특허 : 0 |
In a servoflap system for helicopters, angular positions of the helicopter\s servoflaps are controlled by actuators located near the tips of the helicopter blades. Each actuator contains a pump for circulating a lubricant onto the actuator\s gears when blade pitch is being changed. The pump is built
A servoflap system for a helicopter blade, comprising: at least one servoflap; hinging means for hinging said at least one servoflap to said blade near said blade\s tip; and at least one self-lubricating actuator, located near said blade tip, for controlling the angular position of said at least one
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