Abstract: A differential pressure transducer provides measurements for determining the restriction, updated in real time, of an inlet barrier filter for a turboshaft engine of an aircraft. The percentage of restriction of the air inlet barrier filter, which corresponds to the condition of the air inlet barrier filter, is determined as a function of mass air flow into the engine during operation. The restriction percentage is indicated on the instrument panel of the rotorcraft.

Abstract: Connectors and methods for attaching connectors to one or more cables and/or conduits are disclosed. In one example, a coaxial cable connector for connecting a coaxial cable comprising an inner conductor, an insulator layer surrounding the inner conductor, an outer conductor layer surrounding the insulator layer and an outer jacket is provided. The coaxial cable connector includes a front body comprising an opening for receiving at least a portion of a coaxial cable. The front body includes a plurality of rearward facing projections. A back nut sub-assembly includes a back nut and a retainer coupled to the back nut. The back nut is adapted to couple to the front body and the retainer is adapted to receive a least a portion of the coaxial cable. The retainer includes a plurality of forward facing protrusions adapted to engage the plurality of rearward facing protrusions when the back nut is coupled to the front body.

Abstract: A coaxial cable connector for coupling an end of a coaxial cable to a terminal is disclosed. The connector has a post assembled with a coupler. The post is adapted to receive an end of the coaxial cable and comprises a front end, an enlarged shoulder at the front end, and a plurality of contacting portions. The contacting portions are of monolithic construction with the post, collectively circumscribe the enlarged shoulder at the front end of the post, and extend in a generally perpendicular orientation with respect to a longitudinal axis of the connector. The coupler is rotatably attached to the post and comprises an internally projecting lip, having a forward facing surface, adapted to couple the connector to the terminal. The contacting portions are configured to contact the forward facing surface of the lip of the coupler.

Abstract: The present invention includes an anti-torque assembly for a helicopter comprising a plurality of fixed blade pitch motors mounted on one or more pivots on the tail boom of the helicopter, wherein the plurality of fixed blade pitch motors on the one or more pivots are adapted to be oriented substantially in-plane with a tail boom of a helicopter during a first mode of operation that comprises a hover mode and wherein the fixed blade pitch motors are adapted to be oriented substantially off-plane from the tail boom of the helicopter during a second mode of helicopter operation that is different from the first mode.

Abstract: A coaxial cable connector for attachment to an end of a coaxial cable is disclosed. The coaxial cable connector has a body having a forward end and a rearward end. An internal surface extends between the forward end and the rearward end defining a longitudinal opening and with a cable receiving area proximal the rearward end and a jacket stop proximal the forward end. A post is positioned in the body proximal the forward end and has a first end and a second end with a bore extending therebetween. An insulator is movably disposed in the bore of the post and has a through-passage and a movement limiter. A gripping member is disposed within the longitudinal opening of the body proximal the rearward end and provides a gripping action as the gripping member axially moves toward the forward end of the body.

Abstract: A coaxial cable connector for attachment to an end of a coaxial cable is disclosed. The coaxial cable connector has a body having a forward end and a rearward end. An internal surface extends between the forward end and the rearward end defining a longitudinal opening and with a cable receiving area proximal the rearward end and a jacket stop proximal the forward end. A post is positioned in the body proximal the forward end and has a first end and a second end with a bore extending therebetween. An insulator is movably disposed in the bore of the post and has a through-passage, and a movement limiter. A gripping member is disposed within the longitudinal opening of the body proximal the rearward end and provides a gripping action as the gripping member axially moves toward the forward end of the body.

Abstract: The present invention achieves technical advantages as a rotorcraft engine inlet configuration to optimize performance in both hover and high-speed flight. A rotorcraft fuselage with a ram air intake and a side air intake allows airflow into the engine inlet plenum. A door can be operably coupled to the fuselage, wherein the door is in an open position when the airspeed is below a first threshold and is in a closed position when the airspeed exceeds a second threshold. Additionally, control logic, compares the rotorcraft airspeed with a stored airspeed to operate an actuator to open and close the door to modulate the airflow into the engine inlet plenum. The present invention realizes the advantages of eliminating the inlet spillage drag due to inlet ram airflow in forward flight and increasing the available engine power by mitigating the loss of inlet air pressure recovery.

Abstract: The present invention includes an anti-torque assembly for a helicopter comprising a plurality of fixed blade pitch motors mounted on one or more pivots on the tail boom of the helicopter, wherein the plurality of fixed blade pitch motors on the one or more pivots are adapted to be oriented substantially in-plane with a tail boom of a helicopter during a first mode of operation that comprises a hover mode and wherein the fixed blade pitch motors are adapted to be oriented substantially off-plane from the tail boom of the helicopter during a second mode of helicopter operation that is different from the first mode.

Abstract: A post-less, self-gripping coaxial cable connector for tool-less attachment to an end of a coaxial cable is disclosed. The coaxial cable connector has a body having a forward end and a rearward end and a longitudinal opening. A retainer positioned in the body has a forward section, a rearward section, and a bore. A ring is movably disposed in the retainer. A gripping member having at least one spring finger is friction fit to the body and is radially inwardly biased in a predisposed orientation. The ring has a pusher feature configured to axially move the ring upon force being applied to the pusher feature by a coaxial cable received by the body causing the gripping member to engage the jacket of the coaxial cable when the coaxial cable is installed in the coaxial cable connector.

Abstract: Connectors and methods for attaching connectors to one or more cables and/or conduits are disclosed. The disclosed connectors and methods may secure an outer surface of the cable (e.g., an outer jacket of a cable) or conduit.

Abstract: The present invention achieves technical advantages as an engine compartment drainage system that allows fluid on an engine deck to exit an engine compartment, while shielding fluid from airflow. A fluid drainage apparatus utilizes a funnel member to direct fluid to an external drain line. A drain shield circumscribes the top end of the funnel member and upwardly extending therefrom and directs airflow away from the funnel member. A plurality of deck holes are disposed in the drain shield, such that fluid on the deck can enter the funnel member and exit the engine compartment. A fluid drainage system, disposes the fluid drainage apparatus in an engine deck to allow fluid on the deck to enter a funnel member of the apparatus and direct it toward the external drain line.

Abstract: Connectors and methods for attaching connectors to one or more cables and/or conduits are disclosed. In one example, a coaxial cable connector for connecting a coaxial cable comprising an inner conductor, an insulator layer surrounding the inner conductor, an outer conductor layer surrounding the insulator layer and an outer jacket is provided. The coaxial cable connector includes a front body comprising an opening for receiving at least a portion of a coaxial cable. The front body includes a plurality of rearward facing projections. A back nut sub-assembly includes a back nut and a retainer coupled to the back nut. The back nut is adapted to couple to the front body and the retainer is adapted to receive a least a portion of the coaxial cable. The retainer includes a plurality of forward facing protrusions adapted to engage the plurality of rearward facing protrusions when the back nut is coupled to the front body.

Abstract: A coaxial cable connector for attachment to an end of a coaxial cable is disclosed. The coaxial cable connector has a body having a forward end and a rearward end. An internal surface extends between the forward end and the rearward end defining a longitudinal opening and with a cable receiving area proximal the rearward end and a jacket stop proximal the forward end. A post is positioned in the body proximal the forward end and has a first end and a second end with a bore extending therebetween. An insulator is movably disposed in the bore of the post and has a through-passage and a movement limiter. A gripping member is disposed within the longitudinal opening of the body proximal the rearward end and provides a gripping action as the gripping member axially moves toward the forward end of the body.

Abstract: An air intake system (AIS) has a plenum and an inlet barrier filter associated with the plenum, through which air can selectively enter the plenum. The AIS also has an inlet duct associated with the plenum, through which air can selectively enter the plenum. The AIS also has a bypass door associated with the inlet duct, the bypass door being configured to selectively change an amount of air allowed to pass through the inlet duct. The AIS also has a filter airflow change device configured to change an amount of airflow allowed through the inlet barrier filter.

Abstract: Connectors and methods for attaching connectors to one or more cables and/or conduits are disclosed. The disclosed connectors and methods may secure an outer surface of the cable (e.g., an outer jacket of a cable) or conduit. A front coupler sleeve engages a sub-assembly comprising a back coupler sleeve and an actuator sleeve disposed around the cable or conduit. During engagement of an inner surface of the front coupler sleeve and an outer surface of the back coupler sleeve, an at least partially annular protrusion of the back coupler sleeve is displaced radially inwardly to secure the outer surface of the cable or conduit.

Abstract: A coaxial cable connector comprising an assembled coupler, body, and post is provided. The back end of the post and the back end of the body are adapted to receive an end of a coaxial cable. The coupler further comprises a central passage, a lip with a forward facing surface and a rearward facing surface, and a bore forward of the lip, and is adapted to couple the connector to a coaxial cable terminal. The post further comprises a collar portion and an enlarged shoulder disposed forward of the lip of the coupler within the bore of the coupler. The enlarged shoulder of the post is disposed forward of the collar portion of the post. A contacting portion of the post comprises an extension of the collar portion of the post and at least a portion of the enlarged shoulder of the post comprises a proximity feature.

Abstract: A coaxial cable connector for attachment to an end of a coaxial cable is disclosed. The coaxial cable connector includes a rotatable body segment having a body wall with an outer surface and an inner surface defining a width of the body wall. The body wall has a radial dimension which varies along a perimeter of the rotatable body segment. The inner surface defines a longitudinal opening extending between a forward end of the rotatable body segment and a rearward end of the rotatable body segment. A post positions proximal the forward end of the rotatable body segment. The post has a first end and a second end with a bore extending therebetween. The post is rotationally stationary with respect to the rotatable body segment. A coupling member positions proximal to the first end of the post. The rotatable body segment is rotated to close the coaxial cable connector.

Abstract: A coaxial cable connector for attachment to an end of a coaxial cable is disclosed. The coaxial cable connector has a body having a forward end and a rearward end. An internal surface extends between the forward end and the rearward end defining a longitudinal opening and with a cable receiving area proximal the rearward end and a jacket stop proximal the forward end. A post is positioned in the body proximal the forward end and has a first end and a second end with a bore extending therebetween. An insulator is movably disposed in the bore of the post and has a through-passage, and a movement limiter. A gripping member is disposed within the longitudinal opening of the body proximal the rearward end and provides a gripping action as the gripping member axially moves toward the forward end of the body.

Abstract: A post-less, self-gripping coaxial cable connector for tool-less attachment to an end of a coaxial cable is disclosed. The coaxial cable connector has a body having a forward end and a rearward end and a longitudinal opening. A retainer positioned in the body has a forward section, a rearward section, and a bore. A ring is movably disposed in the retainer. A gripping member having at least one spring finger is friction fit to the body and is radially inwardly biased in a predisposed orientation. The ring has a pusher feature configured to axially move the ring upon force being applied to the pusher feature by a coaxial cable received by the body causing the gripping member to engage the jacket of the coaxial cable when the coaxial cable is installed in the coaxial cable connector.

Abstract: A stripping tool includes and body portion and a clamping arm. The stripping tool further includes a stripping blade having a blade edge. The stripping blade extends from the body portion, and the blade edge is offset from the clamping arm at a distance d such that the blade edge enters the insulator layer of the coaxial cable when the coaxial cable is positioned between the clamping arm and the body portion. The stripping tool further includes a retention element disposed at the body portion at a position after the stripping blade along a cable insertion direction. The retention element is positioned to contact the outer layer of an end portion of the coaxial cable when the coaxial cable is positioned between the clamping arm and the body portion and the stripping tool is in the closed position.