Goodrich Patente

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A piston assembly for engaging two selectively engageable parts comprising: a housing defining a piston cylinder; a piston; and an adjuster assembly comprising: a piston stroke limiter configured to limit the length of a return stroke of the piston from an extended stroke position and a retracted stroke position, the piston stroke limiter comprising a spring and a spring guide; and a crushable body, acting between the piston and the piston stroke limiter, the crushable body being arranged to reduce in axial length when a length of an extension stroke exceeds a length of a retraction stroke to maintain the length of the return stroke; wherein the crushable body comprises an inner crushable thin-walled tube (60) surrounding at least a portion of the piston and an outer crushable thin-walled tube mounted (80) around and radially outwards of the inner crushable tube, an end (81) of the outer crushable tube connected to an end (63) of the inner crushable tube, the thin-walled tubes configured to form a crushed body of reduced axial length compared to the axial length of the thin-walled tube when a predetermined force is applied to the thin-walled tube

An actuator (200) is disclosed herein. The actuator includes a drive body (202) including a bottom surface, the bottom surface having a first side and an opposing second side, a magneto strictive material (208) disposed within the drive body (202) and contacting the first side of the bottom surface of the drive body, a solenoid (206) disposed within the drive body (202) and surrounding the magneto strictive material (208), a drive rod (204) extending through the magneto strictive material (208) and through the bottom surface of the drive body (202), and a spring (212) disposed adjacent the second side of the bottom surface of the drive body (202), wherein the drive rod (204) extends through the spring (212).

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A valve arrangement for inflating an inflatable device includes a valve body (202) comprising an inlet (204), an outlet (206), a main fluid channel (208), a first ball detent (218), and a second ball detent (220). A lifter (230) and a sleeve (210) are located in the main fluid channel. A locking ball (216) is disposed at least partially within a locking ball aperture (214) disposed in the sleeve. A piston (226) is coupled to the lifter and fluidly coupled to a command pressure cavity (224) of the valve body. A spring (228) biases the lifter toward a ball locking position whereby the lifter urges the locking ball at least partially into the first ball detent. A valve operation initiator (250) controls a flow of pressurized gas into the command pressure cavity to urge the lifter to a ball releasing position to free the sleeve, as to the locking ball, to translate to an open position to fluidly couple the inlet with the outlet.

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A torque bar is disclosed herein. The torque bar includes a body, a distal end (210a), and a proximal end (210b). The proximal end (210b) includes a horizontal portion (224) having a first side and a second side, a first vertical portion (220) having a first end and a second end, the first vertical portion (220) coupled to the first side of the horizontal portion (224) between the first end and the second end, a second vertical portion (222) having a third end and a fourth end, the second vertical portion (222) coupled to the second side of the horizontal portion (224) between the third end and the fourth end, wherein a first profile (220a) is formed in the first end of the first vertical portion (220) and a second profile (222a) is formed in the third end of the second vertical portion (222).

A valve assembly (30) may comprise: a housing (410) defining an inlet port (415), an outlet port (419), a solenoid valve inlet port (416), and a solenoid valve outlet port (418), the inlet port (415) in fluid communication with the solenoid valve inlet port (416); a shutoff valve (430) disposed in the housing (410), the shutoff valve (430) including a shutoff valve inlet port in fluid communication with the inlet port (415) and a shutoff valve outlet port in fluid communication with the outlet port (419), and a second shutoff valve inlet port in fluid communication with the solenoid valve outlet port (418); a filter disposed downstream of the valve inlet port; and a check valve disposed between the shutoff valve outlet port and the outlet port (419) of the housing (410).

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A method of making monolithic carbon nanotube heater elements with geometric shape with multiple, complex curvatures is disclosed. The method includes depositing carbon nanotubes on to a forming surface, draining the carbon nanotubes, and drying the carbon nanotubes. Alternatively, the method includes thermoforming carbon nanotube sheets containing thermoplastic binders. The resulting carbon nanotube heater element is a thin, monolithic carbon nanotube heater sheet having a geometric shape with complex curvatures.

An inflatable stacked tube assembly may comprise a first panel (140, 240, 340) and a second panel (142, 242, 342). The first panel (140, 240, 340) may form a first portion of a top tube and a first portion of a bottom tube. The second panel (142, 242, 342) may form a second portion of the top tube and a second portion of the bottom tube. A first seam tape (180, 380) may be bonded to a first top tube interior surface portion of the first panel (140, 240, 340) and a second top tube interior surface portion of the second panel (142, 242, 342). The first seam tape (180, 380) may be located along a first fold formed by the first panel (140, 240, 340) and along a second fold formed by the second panel (142, 242, 342).

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An end effector (102, 202, 302) for the through thickness reinforcement of a fibrous preform (110) includes a needle cleaning material (220, 320) configured to contact a needle (108, 208, 308) to clean resin from the needle during or between through thickness reinforcement operations. The needle cleaning material may extend from a presser foot toward the needle. The needle cleaning material may slidingly engage the needle in response to movement of one of the needle or the presser foot moving (e.g., translating and/or rotating) with respect to the other of the needle or the presser foot.

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A hoist, (300) in accordance with various embodiments, is disclosed herein. The hoist comprises a cooling apparatus (330) coupled to a motor (360) and disposed within a torque tube (310). The cooling apparatus may operate with the hoist or independently of the hoist. The cooling apparatus may pull air external to a housing of the hoist through the torque tube and cool the motor and/or a controller of the hoist.

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