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Spring actuated clamshell parachute compartment door design for fighter / trainer aircraft brake parachute system
Spring actuated clamshell parachute compartment door design for fighter / trainer aircraft brake parachute system
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机译：战斗机/教练机制动降落伞系统的弹簧致动翻盖式降落伞舱门设计
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摘要
In the present invention, the parachute compartment door of Brake Parachute System is split into two halves in vertical direction and it is equipped with hinges to facilitate opening and closing operation. RH half of the parachute compartment door is connected to the starboard side of gantry structure whereas the LH half is connected to the port side of the gantry structure using hinges. The split parachute compartment doors are coupled with two separate spring jacks that keep the doors in open condition when it is unlocked by the hooks. The springs will be in compressed condition when the doors are locked by the release unit hooks. The energy stored in the compressed spring will be utilized to open the compartment doors during parachute deployment process. Two numbers of micro-switches are installed on the system to indicate the position (OPEN/CLOSE) of parachute compartment doors to the pilot(s). During parachute deployment the compartment doors loses the physical contact from the micro-switch which gives indication in the cockpit. This design results in high reliability and easy maintainability of the system.
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