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Goodrich Actuation Systems Sas patents


Recent patent applications related to Goodrich Actuation Systems Sas. Goodrich Actuation Systems Sas is listed as an Agent/Assignee. Note: Goodrich Actuation Systems Sas may have other listings under different names/spellings. We're not affiliated with Goodrich Actuation Systems Sas, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "G" | Goodrich Actuation Systems Sas-related inventors


Actuator control arrangement

An actuator control arrangement is provided comprising a pair of rotary control valves used in combination to control the operation of an actuator. The rotary control valves are driven synchronously through a hydraulic or mechanical coupling. ... Goodrich Actuation Systems Sas

Valve for electrohydrostatic actuator

An electrohydrostatic actuator, comprising an actuator for driving a component, a pump configured to pump hydraulic fluid for operation of the actuator, and a control valve for controlling passage of the hydraulic fluid between the actuator and the pump, wherein the control valve is movable between first and second positions. In the first position the control valve is configured to convey hydraulic fluid from the pump through the control valve for operation of the actuator, and in the second position the control valve is configured to fluidly disconnect the pump and the actuator, and circulate hydraulic fluid arriving from the pump back to the pump via a first constriction within the control valve.. ... Goodrich Actuation Systems Sas

Seal arrangement for an actuator

A sealing arrangement for an actuator, said sealing arrangement comprising: a sealing surface; and two or more seal recesses for receiving seals, said two or more seal recesses provided at the sealing surface of the sealing arrangement.. . ... Goodrich Actuation Systems Sas

Electrical connection

An electrical connection comprises a first connector, a second connector, a first wall surrounding the first connector, and a second wall surrounding the second connector. The first wall is configured to fit inside the second wall when the first and second connectors are connected. ... Goodrich Actuation Systems Sas

Electro hydrostatic actuators

Method for controlling and damping the motion of a hydraulic actuator in an electro hydrostatic actuator (eha) system comprising an electric motor, a hydraulic pump and a hydraulic fluid circuit connecting the hydraulic pump and the hydraulic actuator includes comprising: energising the electric motor to drive the hydraulic pump to supply hydraulic fluid to the hydraulic actuator through the hydraulic fluid circuit in an active mode of operation; providing a flow path between the hydraulic actuator and the hydraulic pump in a damping mode of operation such that hydraulic fluid can flow via the flow path through the hydraulic pump when the hydraulic actuator is driven by an external force; and determining a desired amount of damping to be applied to the hydraulic actuator in the damping mode of operation and providing the electric motor with one or more energy consuming means configured to provide the desired amount of damping.. . ... Goodrich Actuation Systems Sas

Horizontal stabiliser actuator with freeplay detecting features and method thereof

A screw (20) assembly for an actuator (10) is described comprising: a screw (20); a nut (22) threaded on said screw (20), such that rotation of said screw (20) causes axial movement of said nut (22); a stop located at an end of said screw (20) and defining an axial limit of said nut (22); a first feature located on said nut (22); and a second feature located on said stop; wherein said first and second features are configured to cooperate with one another substantially upon contact of said nut (22) with said stop so as to indicate an amount of free movement between said nut (22) and said screw (20).. . ... Goodrich Actuation Systems Sas

Force fight mitigation

A force fight mitigation system comprising: control means configured to provide a position command to each of two or more actuators arranged to position a surface, the position command indicative of a desired position of the actuator relative to the surface; means to detect the actual position of the actuator relative to the surface in response to the position command; and means to determine an offset between the desired position and the actual position and to store a rigging correction based on the offset; wherein, for each actuator, an offset is determined for each of three or more desired positions.. . ... Goodrich Actuation Systems Sas

Planetary gear assembly

A planetary gear assembly is provided, comprising a first planetary gear stage and a second planetary gear stage. The first planetary gear stage comprises a first sun gear, first planet gears and an outer ring gear, and the second planetary gear stage comprises a second sun gear, second planet gears and one or more output ring gears. ... Goodrich Actuation Systems Sas

Lower attachment for trimmable horizontal stabiliser actuator

A connection for a lower attachment for a trimmable horizontal stabiliser actuator (thsa) for connecting the lower attachment to a flight control surface. The attachment includes: a surface bracket for coupling to the flight control surface, the surface bracket mounted about a gimbal of the lower attachment by a bushing disposed between the gimbal and the surface bracket; a failsafe plate fittingly engaged on a first end of the bushing; and a tightening ring mounted on a second end of the bushing opposite the first end and secured to the surface bracket by at least one contact screw, such that the contact screw is operable to urge the bushing against the failsafe plate.. ... Goodrich Actuation Systems Sas

Electro hydrostatic actuators

An electro hydrostatic actuator comprises a hydraulic pump driven by an electric motor to supply hydraulic fluid to a hydraulic actuator. The pump comprises an inlet and an outlet for the hydraulic fluid and an active flow path arranged therebetween such that, in an active mode of operation when the pump is driven by the electric motor, hydraulic fluid is actively drawn in through the inlet and exhausted out through the outlet. ... Goodrich Actuation Systems Sas

Electro hydrostatic actuators

An electro hydrostatic actuator (eha) comprises a hydraulic pump and an electric motor driving the hydraulic pump. The hydraulic pump comprises an inlet and an outlet for hydraulic fluid and an active fluid flow path arranged therebetween such that, in an active mode of operation when the pump is driven by the electric motor, hydraulic fluid is actively drawn in through the inlet and exhausted out through the outlet. ... Goodrich Actuation Systems Sas








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