Method for controlling the temperature of feed air injected into the cabin zone of a passenger aircraft
AssigneeAirbus Operations GmbH
InventorsThomas Scherer, Michael Markwart, Torsten Schwan
Life of this patent
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Abstract
Method for controlling the temperature of feed air injected into at least one cabin zone of a passenger aircraft, the temperature of injected feed air being controlled for each cabin zone dependent on the deviation of the injection temperature actual value of the feed air from an injection temperature target value, the injection temperature target value being established using an external ambient temperature actual value and not using a temperature sensor in the at least one cabin zone.
Claims8
A method for controlling a temperature of feed air to be injected into at least one cabin zone of a cabin of a passenger aircraft, the method comprising:
- independently controlling the temperature of the feed air injected into the at least one cabin zone dependent upon a deviation of an injection temperature actual value of the feed air, measured by an injection temperature sensor, from an injection temperature target value;
- and
- establishing the injection temperature target value required to maintain a set ambient temperature in the at least one cabin zone on the basis of the following conditions operated simultaneously by a control unit:
- using an external ambient temperature actual value of an external surrounds outside of the passenger aircraft, measured by an external ambient temperature sensor,
- without using a cabin zone ambient temperature actual value of the at least one cabin zone, thereby not requiring any output from an ambient temperature sensor in the at least one cabin zone;
- wherein the injection temperature target value for the at least one cabin zone is also established on the basis of a first correction value for the at least one cabin zone, and wherein the first correction value for the at least one cabin zone is constant and based on the physical zone-specific factors of the at least one cabin zone affecting heat transfer.
A passenger aircraft, comprising:
- a cabin including at least one cabin zone configured to be supplied with injected temperature regulated feed air;
- and
- an electronic control unit arranged to independently control, for the at least one cabin zone, a temperature of the injected feed air that is injected into the at least one cabin zone dependent upon a deviation of an injection temperature actual value, measured by an injection temperature sensor, in relation to an injection temperature target value for the at least one cabin zone,
- wherein the electronic control unit establishes the injection temperature target value required to maintain a set ambient temperature in the at least one cabin zone on the basis of the following conditions operated simultaneously by the control unit:
- using an external ambient temperature actual value of an external surrounds outside of the passenger aircraft, measured by an external ambient temperature sensor,
- without using a cabin zone ambient temperature actual value of the at least one cabin zone, thereby not requiring any output from an ambient temperature sensor in the at least one cabin zone, wherein the injection temperature target value for the at least one cabin zone is also established on the basis of a first correction value for the at least one cabin zone;
- and wherein the first correction value for the at least one cabin zone is constant and based on the physical zone-specific factors of the at least one cabin zone affecting heat transfer.
Dependencies are inferred from the claim text.