The present invention relates to an emergency ram air inlet valve, also designated as an ERAI valve, of an aircraft. The valve includes an actuating element for opening and/or closing the valve and a controller operatively coupled to the valve, by which the valve can be set at different open angles.
The present invention relates to an emergency ram air inlet valve, also designated as an ERAI valve, of an aircraft. The valve includes an actuating element for opening and/or closing the valve and a controller operatively coupled to the valve, by which the valve can be set at different open angles. The open angle is set as a function of a temperature prevailing or preset in the aircraft cabin.
대표청구항▼
1. An emergency ram air inlet valve of an aircraft, comprising: a control device including an actuating element for opening and closing the valve,a controller operatively coupled to the valve, by which the valve can be set at different open angles, andan operating lever located in an aircraft cabin
1. An emergency ram air inlet valve of an aircraft, comprising: a control device including an actuating element for opening and closing the valve,a controller operatively coupled to the valve, by which the valve can be set at different open angles, andan operating lever located in an aircraft cabin and operatively coupled to the valve, a position of the operating lever being visible to a crew of the aircraft, and the position of the operating lever indicating the open angle of the valve,wherein the valve is first opened to a position preset as a function of an outside temperature outside the aircraft, and the open angle is then changed as a function of the temperature prevailing or preset in the aircraft cabin, and wherein the valve is in fluid communication with the aircraft cabin and extends outside the aircraft to act as a ram air inlet when set at the open angle. 2. The emergency ram air inlet valve according to claim 1, wherein the open angle can be set in steps and/or continuously. 3. The emergency ram air inlet valve according to claim 1, wherein the controller is electrically connected to an actuator, by which the open angle of the valve can be set. 4. The emergency ram air inlet valve according to claim 3, wherein the actuating element enables the actuator, and wherein the open angle of the valve can be set by the actuator via the controller. 5. The emergency ram air inlet valve according to claim 3, wherein the actuator is a mechanical actuator. 6. The emergency ram air inlet valve according to claim 5, wherein the mechanical actuator is a reverse actuator. 7. The emergency ram air inlet valve according to claim 1, wherein the open angle is set automatically via a control circuit according to a temperature prevailing or preset in the aircraft cabin. 8. The emergency ram air inlet valve according to claim 7, wherein the control circuit comprises the controller, a temperature sensor arranged in the aircraft cabin, an open angle indicator and the actuator, wherein the actuating element activates the actuator for opening and/or closing the valve, and the open angle can be set by the actuator via the controller as a function of the temperature detected by the temperature sensor in the aircraft cabin and the position of the valve detected by the open angle indicator. 9. The emergency ram air inlet valve according to claim 1, further comprising: a manual controller located in the aircraft cabin and/or in the cockpit. 10. The emergency ram air inlet valve according to claim 9, wherein the operating lever functions as the manual controller, the operating lever including at least one of a toggle switch, slider or rotary control, with which the open angle of the valve can be manually set. 11. The emergency ram air inlet valve according to claim 10, wherein the position of the operating lever is proportional to the open angle of the valve. 12. The emergency ram air inlet valve according to claim 1, wherein the actuating element is a push-button arranged in the cockpit of the aircraft.
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