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In order to increase the air humidity in a cabin region of an aircraft equipped with a plurality of seats, a device includes a plurality of humidifying units each arranged in spatial association with a partial number of the seats and a plurality of outlet openings. The humidifying units are each des

In order to increase the air humidity in a cabin region of an aircraft equipped with a plurality of seats, a device includes a plurality of humidifying units each arranged in spatial association with a partial number of the seats and a plurality of outlet openings. The humidifying units are each designed to enrich a supplied air stream with gaseous water. The outlet openings are designed to emit the air streams enriched by the humidifying units into the cabin region, such that a partial number of the outlet openings each receive one of the enriched air streams. The air temperature of the enriched air streams is controlled so that the local temperature in a target region served by the humidifying unit does not fall below a dew point.

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1. A device for increasing the air humidity in a cabin region of an aircraft equipped with a plurality of seats, comprising: a plurality of humidifying units, each of which is arranged in spatial association with a partial number of the plurality of seats defining corresponding target regions for lo

1. A device for increasing the air humidity in a cabin region of an aircraft equipped with a plurality of seats, comprising: a plurality of humidifying units, each of which is arranged in spatial association with a partial number of the plurality of seats defining corresponding target regions for local air humidification in the cabin region and each of which selectively enriches a supplied air steam with gaseous water,a plurality of outlet openings which are designed to emit the air streams enriched with gaseous water by the humidifying units into the corresponding target regions of the cabin region, wherein a partial number of the outlet openings each receives one of the enriched air streams such that each of the plurality of humidifying units is associated with a partial number of the outlet openings,a plurality of temperature sensors, each of which is arranged in associated ones of the target regions and each of which detects a local temperature in the associated target region, anda plurality of first control units, each of which is electrically connected to one of the plurality of temperature sensors and each of which controls an air temperature of the enriched air stream so that the detected local temperature in the target region does not fall below a dew point in the target region. 2. The device of claim 1, wherein at least some of the humidifying units are arranged in or on associated ones of the plurality of seats. 3. The device of claim 1, wherein at least some of the outlet openings are arranged on associated ones of the plurality of seats or in a surrounding area accessible to associated ones of the plurality of seats by convection. 4. The device of claim 1, wherein a partial number of the humidifying units are each assigned a water reservoir, from which the humidifying units draw water for enriching the air streams. 5. The device of claim 4, wherein at least some of the water reservoirs are arranged removably in or on associated ones of the plurality of seats. 6. The device of claim 1, wherein a partial number of the humidifying units are each assigned a blower which serves for generating the air stream supplied to the associated humidifying unit, wherein at least some of the blowers are each arranged in or on associated ones of the plurality of seats. 7. The device of claim 1, wherein at least some of the outlet openings can be individually positioned or individually oriented at a joint, and wherein a controlled actuator mechanism is provided at the joint, which allow the position or orientation of at least one of the outlet openings to adjust automatically to a position of a backrest of one of the plurality of seats. 8. The device of claim 1, further comprising: at least one heater configured to heat at least one of the following phases: supplied air stream, enriched air stream and supplied water. 9. The device of claim 8, further comprising: at least one sensor that detects at least one of the following variables temperature, air humidity, flow rate, pressure and oxygen content of at least one of the following phases: supplied air stream, enriched air stream, air stream at one of the outlet openings, supplied water and air in a surrounding area accessible to one of the seats by convection. 10. The device of claim 9, wherein the first control units are further designed to compare the at least one detected variable with at least one preset variable and to counteract deviations by regulating at least one of the humidifying units or the at least one heater. 11. The device of claim 10, wherein the first control unit is configured for data communication with a separate second control unit, which serves for controlling a global air conditioning system for air conditioning supply air separate from the enriched air streams and blown into the entire cabin region, the first control unit being configured to transmit the at least one detected variable or the at least one preset variable and configured to receive from the second control unit measured or desired values concerning the air conditioning of the supply air and then correct the at least one preset variable in dependence on the values received from the second control unit. 12. The device of claim 1, wherein an evaporating section downstream of the humidifying unit includes heating devices, mixing fittings, swirling surfaces or separating surfaces, which serve for dissolving or separating aerosol particles. 13. The device of claim 1, wherein the gaseous water is conveyed in at least some of the humidifying units through at least one of the following: a membrane module, a hollow-fiber membrane module; a pad evaporator; an evaporator electrically heated by trim air or bleed air, having an evaporator plate; and an ultrasonic evaporator. 14. The device of claim 1, further comprising: at least one oxygen source and an inlet opening, arranged upstream of at least some of the humidifying units, for blowing oxygen or oxygen-enriched air from the oxygen source into the supplied air stream. 15. The device of claim 14, further comprising: at least one standardized connection for medical oxygen, which is connected to the at least one oxygen source and mounted on or in the vicinity of at least a partial number of the plurality of seats.