Abstract: A system for payload delivery and drone recovery, wherein the system functions with the use of a lightweight parachute and a directional control module. The system can include a drop system for payload delivery, wherein the drop system releases the parachute and payload upon reaching a target site. The system can also include a recovery system, wherein the recovery system deploys the parachute and steers the failed drone to a target site. A lightweight ram-air parachute is used to provide a lighter steerable parachute system.

Abstract: The present invention discloses a method for automating process control interlock testing, verification and documentation. Various control system entities can be utilized by a created control system program that understands the required response of the control system to various operating conditions and interlocks. By continuously monitoring control system entities the created program evaluates the control systems ability to shut down the process and equipment. The automated method verifies that all utilized control system programming, software, hardware, communicated and/or hardwired interconnections are working properly. The automated method and continuous monitoring can determine that an interlock is incapable of shutting down the process as required and can notify the operator of a failed or malfunction interlock.

Abstract: A rotorcraft, such as a tiltrotor aircraft having helicopter and airplane modes, includes an airframe, an engine and an engine mount assembly for coupling the engine to the airframe. The engine includes an engine lug forming an aperture. The engine mount assembly includes a mount having an aperture substantially aligned with the engine lug aperture. A sleeved bolt assembly extends through the apertures to secure the engine lug to the mount. The sleeved bolt assembly includes a bolt undersized relative to the apertures forming a circumferential gap within the apertures, a sleeve disposed around at least a portion of the bolt substantially filling the circumferential gap and a nut adapted to thread onto a threaded portion of the bolt. The use of the undersized bolt within the sleeve permits increased clearance between the sleeved bolt assembly and the engine while maintaining strength requirements in high load environments.

Abstract: A rotorcraft, such as a tiltrotor aircraft having helicopter and airplane modes, includes an airframe, an engine and an engine mount assembly for coupling the engine to the airframe. The engine includes an engine lug forming an aperture. The engine mount assembly includes a mount having an aperture substantially aligned with the engine lug aperture. A sleeved bolt assembly extends through the apertures to secure the engine lug to the mount. The sleeved bolt assembly includes a bolt undersized relative to the apertures forming a circumferential gap within the apertures, a sleeve disposed around at least a portion of the bolt substantially filling the circumferential gap and a nut adapted to thread onto a threaded portion of the bolt. The use of the undersized bolt within the sleeve permits increased clearance between the sleeved bolt assembly and the engine while maintaining strength requirements in high load environments.