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An electric control system and method for operating the cowl doors of an aircraft engine that includes one embodiment with one or more electric motors that are energized to move the cowl doors to the open position. The motor is de-energized and the cowl doors are allowed to close under their own wei

An electric control system and method for operating the cowl doors of an aircraft engine that includes one embodiment with one or more electric motors that are energized to move the cowl doors to the open position. The motor is de-energized and the cowl doors are allowed to close under their own weight, driving the motor and causing it to operate as a generator. An electrical load absorbs the energy generated by the motor while the cowl doors close, thereby limiting the speed at which the doors close.

대표청구항 ▼

An electric control system and method for operating the cowl doors of an aircraft engine that includes one embodiment with one or more electric motors that are energized to move the cowl doors to the open position. The motor is de-energized and the cowl doors are allowed to close under their own wei

An electric control system and method for operating the cowl doors of an aircraft engine that includes one embodiment with one or more electric motors that are energized to move the cowl doors to the open position. The motor is de-energized and the cowl doors are allowed to close under their own weight, driving the motor and causing it to operate as a generator. An electrical load absorbs the energy generated by the motor while the cowl doors close, thereby limiting the speed at which the doors close. upporting means acts upon the load cell under the condition the fluid pressure cylinder acts upon a forward stroke end or a backward stroke end. 7. A take-up winder for measuring repetitively a load acting upon a contact pressure cylinder while supplying air to the contact pressure cylinder or while releasing the air from the contact pressure cylinder for fixing a contact pressure of a bobbin holder, a package and a contact roller at a designated value, and for diagnosing whether or not there is an abnormality in the elevation and descending of a slide box which supports the contact roller according to the fact of whether or not the load is within a designated tolerance range above a weight of the slide box. 765364, 19880800, Arcari; US-5423485, 19950600, Tagusari, 239/124; US-6032391, 20000300, Yao, 038/085