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| Number | Title | Issue Date |
| 8038094 | Hydraulic system for aircraft A hydraulic system for aircraft operating devices provides a secondary pressure source for direction and deceleration control in case of loss of pressure from a primary pressure source. The system includes multiple pressure accumulators that include a primary accumu... | 10/18/2011 |
| 7600715 | Local backup hydraulic actuator for aircraft control systems A backup system is provided that has a local electric motor and pump for some or all of the hydraulic actuators on an aircraft. A local backup hydraulic actuator has two power sources, hydraulic as primary and electrical as backup. During normal operation, the hydra... | 10/13/2009 |
| 7343061 | Integrated photonic amplifier and detector An asymmetric twin waveguide (ATG) structure with an integrated amplifier and detector fabricated in a single active waveguide layer is disclosed. The structure comprises an active waveguide layer formed on a passive waveguide layer. The active and passive waveguide... | 03/11/2008 |
| 4664155 | Apparatus for centralized pressurization and depressurization of aircraft hydraulic reservoirs A single manifold assembly is located in an easily accessible hydraulic servicing bay. The assembly includes a manifold (2) with an inlet port (4) having an integral check valve (8). A plurality of branch conduits (18), one for each reservoir, communicate... | 05/12/1987 |
| 4489907 | Selectively integrated throttle spoiler actuator for aircraft A system for altering the lift/drag characteristics of powered general aviation aircraft whereby flight path control may be exercised. The control device operates in conjunction with such lift/drag altering devices, spoilers, dive brakes and the like, and... | 12/25/1984 |
| 4486007 | Emergency pawl release system for winches A hinged pawl and an emergency pawl release system for heavy duty winches such as those used to anchor semi-submersible drilling rigs. The pawl includes two sections hinged together at an overcenter knuckle joint and provided with flat bearing surfaces wh... | 12/04/1984 |
| 4428196 | Aircraft split hydraulic system A hydraulic system having two pumps, typically driven by two independent prime movers, a primary and secondary reservoir and associated valving to permit the system to run as one system or two independent systems, all for the purpose of redundancy and saf... | 01/31/1984 |
| 4052024 | Pneumatic gear motor application A pneumatic gear motor application in which a tank filled to a predetermined pressure with an inert gas such as nitrogen is heated by a heat squib device to raise the temperature of the gas and also to increase the pressure of the gas in the storage tank ... | 10/04/1977 |
