Method for disinfecting a water system of an aircraft

A method for disinfecting a water system 10 of an aircraft 100 comprises letting-in of hot water 20 at an inlet 2 of the water system by a first ground service unit 11; flushing the hot water from the inlet, through water pipes of the water system, to an outlet 3 of the water system; and letting-out of the hot water at the outlet, by the first ground service unit or a second ground service unit; the hot water being flushed into the inlet and out of the outlet over a predefined disinfection period; and the hot water being provided at the inlet via a continuous-flow heater 13 of the first ground service unit. The hot water preferably has a temperature of between 60 and 80°C. The letting-out of hot water at the outlet may be controlled by pressure-maintaining means 14 of the ground service unit.

Drain mast

A drain mast for an aircraft for discharge of water from the aircraft interior with a line which extends in a line direction from a connector end to a discharge end. The connector end can connect to another line in the interior of the aircraft, through which further line water flows into the drain mast. The discharge end can discharge water into a surrounding area of the aircraft. The line includes a plastic, into which a conductive material is embedded, by which the line can be heated electrically, by a heating current being conducted through the conductive material. A proportion of the embedded conductive material in the line increases in the line direction per length unit from the connector end of the line towards the discharge end such that the heating power which is introduced into the line per length unit increases from the connector end towards the discharge end.

Method for disinfecting a water system of an aircraft

A method for disinfecting the water system of an aircraft (airplane, aeroplane) using damp hot air 20, air saturated or supersaturated with water vapour (high humidity), which is flushed into the inlet 2 or outlet 3 of the water system. The damp hot air is generated by mixing 13 hot water vapour from a generator 14 with compressed air 21 by the ground service unit 11, or by heating a water-compressed air mixture (16, fig. 3) directly, and has an air temperature between 60°C and 80°C, preferably 70°C. The service unit may recycle the condensed water 18 with a treatment device 12 and supply this water to the steam generator 14, or the treatment device may act as a heat exchange to recycle waste heat from the damp hot air. The air is flushed throughout the water pipe system of the inlet 1a and outlet pipes 1c and distribution 1b and consumer pipes 1d.

WATER SUPPLY AND DISTRIBUTION SYSTEM ON-BOARD AN AIRCRAFT AND METHOD FOR OPERATING SUCH SYSTEM WITH LOW MAINTENANCE EFFORT

A method for operating an on-board water supply and distribution system of an aircraft for supplying water includes a central tank, consumer assemblies with a supply device and a buffer tank, pump operable in a supply mode and reverse mode, filter device, and high-pressure conduit system. The central tank connects to the pump's upstream side. The conduit system connects the downstream side and consumer assemblies. The pump in supply mode delivers water from the downstream side to the buffer tank. In reverse mode, the pump can convey water from the downstream side to the upstream side. The method includes operating the pump in supply mode so water from the central tank goes to a consumer assembly in a first time interval to fill the buffer tank, and operating the pump in reverse mode in a second time interval so water from the buffer tank passes through the filter device.

Water supply system comprising a venturi pipe

A water supply system includes a first pipe, a water reservoir, and a Venturi pipe having a first Venturi nozzle terminal, a second Venturi nozzle terminal and a Venturi nozzle branch arranged between the first and second Venturi nozzle terminal. The first Venturi nozzle terminal is connected via the first pipe to the water reservoir. The first Venturi nozzle terminal is connectable to a second pipe to fill the water reservoir. The branch of the Venturi pipe is connectable to a third pipe to supply taps. Water flows through the Venturi pipe from the first Venturi nozzle terminal to the second Venturi nozzle terminal when the water reservoir is filled, and water flows through the Venturi pipe from the second Venturi nozzle terminal to the Venturi nozzle branch during the supply procedure, to provide a water supply system which requires less maintenance and is less temperamental.

System and method for heating up water for a consumer unit in an aircraft

A system for heating up water for a consumer unit in an aircraft, having a water reservoir and a control unit. The water reservoir has a heating device to heat water held in the water reservoir to a consumer temperature. The control unit controls the heating device so water in the water reservoir is automatically heated to or above a disinfection temperature at which germ formation in the water reservoir is eliminated or suppressed, and a temperature of the water in the water reservoir is maintained at or above the disinfection temperature for a disinfection period, the heating to the disinfection temperature being effected only during flight phases or portions of flight phases of the aircraft during which use of the consumer unit by a user is not to be expected. A corresponding method and an aircraft having such a system are disclosed.

Aircraft comprising a high-pressure water supply and distribution system

An aircraft with a drinking water supply and distribution system including a water storage tank, a consumer equipment, a pressurizer, a pressure reducer and a conduit system connecting the drinking water storage tank to the consumer equipment via the pressurizer and supplying water from the at least one water storage tank to the at least one consumer equipment. The pressurizer pressurizes water in the conduit system with a peak pressure exceeding a supply water pressure threshold. The conduit system includes flexible conduits having a maximum internal diameter of less than 8 mm. The pressure reducer is provided for reducing the pressure of water supplied to the consumer equipment below a consumer water pressure threshold. The supply water pressure threshold exceeds the consumer water pressure threshold.

METHOD FOR DRAINING A LOCAL WATER DISTRIBUTION SYSTEM

A method for draining a local water distribution system including a buffer, supply lines connecting one or more consumers to the buffer and consumer valves associated with the one or more consumers. The buffer is configured for locally storing water from an aircraft water supply system to be distributed to the one or more consumers. Water from the buffer can be dispensed through a consumer of the one or more consumers by opening the consumer valve associated with the respective consumer. Water is drained from the supply lines by opening the consumer valves. Water is drained from the buffer through one of the supply lines and the consumer valves or through a drain valve connecting the buffer to a wastewater system of an aircraft. A corresponding local water distribution system and an aircraft are disclosed.

Method For Disinfecting A Water System Of An Aircraft

A method for disinfecting a water system of an aircraft includes letting-in of hot water at an inlet of the water system by a first ground service unit; flushing the hot water from the inlet, through water pipes of the water system, to an outlet of the water system; and letting-out of the hot water at the outlet, by the first ground service unit or a second ground service unit; the hot water being flushed into the inlet and out of the outlet over a predefined disinfection period; and the hot water being provided at the inlet via a continuous-flow heater of the first ground service unit. 1. A method for disinfecting a water system of an aircraft , comprising:letting-in hot water at an inlet of the water system by a first ground service unit;flushing the hot water from the inlet, through water pipes of the water system, to an outlet of the water system; andletting-out the hot water at the outlet, by the first ground service unit or a second ground service unit;wherein the hot water is flushed into the inlet and out of the outlet over a predefined disinfection period; andthe hot water is provided at the inlet via a continuous-flow heater of the first ground service unit.2. The method according to claim 1 , wherein the hot water has a water temperature of between 60° C. and 80° C.3. The method according to claim 1 , wherein the letting-out the hot water at the outlet is controlled by a pressure-maintaining means of the first ground service unit and/or of the second ground service unit.4. The method according to claim 1 , wherein the water pipes comprises at least one of inlet pipes claim 1 , distribution pipes claim 1 , outlet pipes and consumer pipes.5. The method according to claim 1 , wherein pressure is applied to a tank section of the water system during the flushing of the hot water claim 1 , in order to keep the hot water away from the tank section.6. The method according to claim 5 , wherein compressed air claim 5 , for the application of compressed air to the ...

DRAIN MAST

A drain mast for an aircraft for discharge of water from the aircraft interior with a line which extends in a line direction from a connector end to a discharge end. The connector end can connect to another line in the interior of the aircraft, through which further line water flows into the drain mast. The discharge end can discharge water into a surrounding area of the aircraft. The line includes a plastic, into which a conductive material is embedded, by which the line can be heated electrically, by a heating current being conducted through the conductive material. A proportion of the embedded conductive material in the line increases in the line direction per length unit from the connector end of the line towards the discharge end such that the heating power which is introduced into the line per length unit increases from the connector end towards the discharge end.

Method for Disinfecting a Water System of an Aircraft

A method for disinfecting a water system of an aircraft includes the introduction of damp hot air at an inlet of the water system by a ground service unit; flushing of the damp hot air from the inlet through water pipes of the water system to an outlet of the water system; and extraction of the damp hot air at the outlet; wherein the damp hot air is flushed into the inlet and out of the outlet over a predefined disinfection period, and wherein the damp hot air has a temperature between 60° C. and 80° C. 1. A method for disinfecting a water system of an aircraft , comprising:introducing damp hot air at an inlet of the water system by a ground service unit;flushing of the damp hot air from the inlet through water pipes of the water system to an outlet of the water system; andextracting the damp hot air at the outlet;wherein the damp hot air is flushed into the inlet and out of the outlet over a predefined disinfection period; andwherein the damp hot air has a temperature between 60° C. and 80° C.2. The method according to claim 1 , wherein the damp hot air is provided at the inlet as air saturated with water vapour or air supersaturated with water vapour.3. The method according to claim 1 , wherein the damp hot air is produced by the ground service unit.4. The method according to claim 1 , wherein the damp hot air is produced by mixing hot water vapour with compressed air.5. The method according to claim 1 , wherein the damp hot air is produced by heating a water-compressed air mixture.6. The method according to claim 1 , wherein condensed water is captured at the outlet by a treatment device and recycled to provide the damp hot air.7. The method according to claim 1 , wherein waste heat from the extracted damp hot air is recycled by a treatment device to provide the damp hot air.8. The method according to claim 1 , wherein the water pipes comprise at least one of inlet pipes claim 1 , distribution pipes claim 1 , outlet pipes and consumer pipes.9. The method ...

WATER SUPPLY WITH A BIDIRECTIONAL UV DISINFECTION DEVICE

A water disinfection system includes a water disinfection device, having a UV light generator for the UV treatment of water, and a water pipe, having a first pipe portion and a second pipe portion and a third pipe portion which branches off between the first and the second pipe portion. The water disinfection device includes a first water connection and a second water connection. The first water connection is connected to the first pipe portion. The second water connection is connectable to a water reservoir which is to be provided. The second pipe portion is connectable to a water source which is to be attached. The third pipe portion is connectable to a tap for water, so as to be able in this way to provide an improvement in the water quality. 1. A water disinfection system comprising:a bidirectional water disinfection device, having a UV light generator for the UV treatment of water,a water pipe, having a first pipe portion, a second pipe portion and a third pipe portion which branches off between the first and the second pipe portion,wherein the water disinfection device has a first water connection and a second water connection,wherein the first water connection is connected to the first pipe portion,wherein the second water connection is connectable to a water reservoir,wherein the second pipe portion is connectable to a water source,wherein the third pipe portion is connectable to a tap for water;wherein the bidirectional water disinfection device is adapted for being flown through in a first direction during filling of the reservoir; andwherein the bidirectional water disinfection device is adapted for being flown through in a second direction which is counter to the first direction, during water drawing from the reservoir.2. The water disinfection system according to claim 1 , wherein the water disinfection device has a first mode of operation and a second mode of operation claim 1 , the water disinfection device being flowed through from the first water ...

Combination of vacuum toilet and grey water system functions

A combined toilet grey water system for passenger transportation vehicles such as aircrafts includes a toilet bowl for receiving waste water and a basin for receiving grey water. Moreover, the system includes a flushing line and a flushing valve with an inlet and an outlet. The outlet of the flushing valve is connectable to a vacuum waste water system. The inlet of the flushing valve is connected via the flushing line to the toilet bowl. Therein, the basin is connected to the flushing line in such a way that the basin is connectable to the vacuum waste water system.

WATER SUPPLY SYSTEM COMPRISING A VENTURI PIPE

A water supply system includes a first pipe, a water reservoir, and a Venturi pipe having a first Venturi nozzle terminal, a second Venturi nozzle terminal and a Venturi nozzle branch arranged between the first and second Venturi nozzle terminal. The first Venturi nozzle terminal is connected via the first pipe to the water reservoir. The first Venturi nozzle terminal is connectable to a second pipe to fill the water reservoir. The branch of the Venturi pipe is connectable to a third pipe to supply taps. Water flows through the Venturi pipe from the first Venturi nozzle terminal to the second Venturi nozzle terminal when the water reservoir is filled, and water flows through the Venturi pipe from the second Venturi nozzle terminal to the Venturi nozzle branch during the supply procedure, to provide a water supply system which requires less maintenance and is less temperamental.

COMBINATION OF VACUUM TOILET AND GREY WATER SYSTEM FUNCTIONS

A combined toilet grey water system for passenger transportation vehicles such as aircrafts includes a toilet bowl for receiving waste water and a basin for receiving grey water. Moreover, the system includes a flushing line and a flushing valve with an inlet and an outlet. The outlet of the flushing valve is connectable to a vacuum waste water system. The inlet of the flushing valve is connected via the flushing line to the toilet bowl. Therein, the basin is connected to the flushing line in such a way that the basin is connectable to the vacuum waste water system.

Draining device for draining a fluid line

A draining device for draining a fluid line is provided. The draining device comprises a mechanically non-locking coupling and a holding device. The mechanically non-locking coupling is configured to establish a fluid conductive connection with the fluid line. The holding device is configured to stationary fix the mechanically non-locking coupling relatively to the fluid line. The draining device allows establishing a fluid conductive connection between the fluid line and the mechanically non-locking coupling without requiring a mechanical fixation directly at the mechanically non-locking coupling.

Temperature control of a circulation fluid system by thermally optimised operation of a circulation pump

A thermally optimised circulation fluid system is proposed which comprises a circulation line, a circulation pump unit and a control unit. The circulation pump unit and the circulation line together form a circulation circuit. The circulation pump unit is configured for transferring an amount of thermal energy directly or indirectly to a fluid located in the circulation line. The control unit is configured for adjusting the amount of thermal energy which is transferrable to the fluid.

METHOD FOR PNEUMATICALLY DRAINING A WATER SUPPLY SYSTEM

A method for draining a water supply system onboard an aircraft which supplies water from a central water tank to consumers. Water is supplied by a supply pump from the central water tank through supply lines of a conduit system to consumers. Each consumer is associated with a supply valve for drawing water from the conduit system. The supply lines have a maximum internal diameter of 8 mm or less. The method includes closing the supply valves of all consumers, subjecting the supply lines of the conduit system at the at the supply pump to a draining pressure and sequentially opening the supply valves of all consumers for removing water from the supply lines of the conduit system. A corresponding water supply system and an aircraft are disclosed.

AIRCRAFT COMPRISING A HIGH-PRESSURE WATER SUPPLY AND DISTRIBUTION SYSTEM

An aircraft with a drinking water supply and distribution system including a water storage tank, a consumer equipment, a pressurizer, a pressure reducer and a conduit system connecting the drinking water storage tank to the consumer equipment via the pressurizer and supplying water from the at least one water storage tank to the at least one consumer equipment. The pressurizer pressurizes water in the conduit system with a peak pressure exceeding a supply water pressure threshold. The conduit system includes flexible conduits having a maximum internal diameter of less than 8 mm. The pressure reducer is provided for reducing the pressure of water supplied to the consumer equipment below a consumer water pressure threshold. The supply water pressure threshold exceeds the consumer water pressure threshold. 1. An aircraft with a drinking water supply and distribution system , the drinking water supply and distribution system comprising:at least one water storage tank;at least one consumer equipment;at least one pressurizer;at least one pressure reducer; anda conduit system connecting the at least one water storage tank to the at least one consumer equipment via the at least one pressurizer to supply water from the at least one water storage tank to the at least one consumer equipment,wherein the at least one pressurizer is provided for pressurizing water in the conduit system, wherein a peak pressure of water in the conduit system exceeds a supply water pressure threshold,wherein the conduit system comprises flexible conduits having a maximum internal diameter of less than 8 mm,wherein each of the at least one consumer equipment is associated with one of the at least one pressure reducer, wherein the at least one pressure reducer is provided for reducing the pressure of water supplied by the conduit system to an associated consumer equipment such that the pressure does not exceed a consumer water pressure threshold,wherein the supply water pressure threshold exceeds the ...

Pressure supply for a water system

A pressure supply system for a fresh water system is provided. The pressure supply system includes a water reservoir having a bleed air inlet and a water outlet. The pressure supply system also includes a water pump so as to load water, which is loaded with bleed air pressure, with a further pressure downstream until a predetermined nominal operating pressure range is achieved. As a result, the pressure supply system provides an increased redundancy by pressure generator assemblies which are based on different pressure generation principles.

WATER SUPPLY AND DISTRIBUTION SYSTEM ON-BOARD AN AIRCRAFT AND METHOD FOR SELF-SUSTAINING HYGIENIC OPERATION OF SUCH SYSTEM

A method for operating an on-board water supply and distribution system of an aircraft for supplying water includes a central water tank, first consumer assemblies with buffer tanks each including a heater to heat up water in the buffer tank to a disinfection temperature, pump having upstream and downstream sides to operate in supply and reverse modes, and high-pressure conduit system. The central water tank connects to the pump's upstream side. The conduit system connects the downstream side with a first consumer assembly. The method includes operating the pump in supply mode where water from the central tank goes to a first consumer assembly to fill a buffer tank, operating a buffer tank heater so water heats to a predetermined disinfection temperature, and operating the pump in reverse mode so heated water passes through a part of the conduit system and the upstream side of the pump.

WATER SUPPLY SYSTEM FOR AN AIRCRAFT

A water supply system for an aircraft having consumers with buffer stores connected to a water tank by lines and a pressure source. Each consumer has a filling valve between the buffer store and the pressure source. The buffer store can be filled by opening the filling valve. In each consumer, water can be removed from the buffer store by opening a consumer valve. Each consumer transmits at least one state parameter describing a state of the buffer store of the respective consumer to a control system. The control system controls opening and closing of the filling valves of the consumers taking into account the transmitted state parameters such that removal of water from the water tank by the pressure source does not exceed a threshold value at any point in time. An aircraft having a water supply system and method for controlling a water supply system are disclosed.

Method for disinfecting a water system of an aircraft

A method for disinfecting a water system of an aircraft includes letting-in of hot water at an inlet of the water system by a first ground service unit; flushing the hot water from the inlet, through water pipes of the water system, to an outlet of the water system; and letting-out of the hot water at the outlet, by the first ground service unit or a second ground service unit; the hot water being flushed into the inlet and out of the outlet over a predefined disinfection period; and the hot water being provided at the inlet via a continuous-flow heater of the first ground service unit.

Method for disinfecting a water system of an aircraft

A method for disinfecting a water system of an aircraft includes the introduction of damp hot air at an inlet of the water system by a ground service unit; flushing of the damp hot air from the inlet through water pipes of the water system to an outlet of the water system; and extraction of the damp hot air at the outlet; wherein the damp hot air is flushed into the inlet and out of the outlet over a predefined disinfection period, and wherein the damp hot air has a temperature between 60° C. and 80° C.

Water supply with a bidirectional UV disinfection device

A water disinfection system includes a water disinfection device, having a UV light generator for the UV treatment of water, and a water pipe, having a first pipe portion and a second pipe portion and a third pipe portion which branches off between the first and the second pipe portion. The water disinfection device includes a first water connection and a second water connection. The first water connection is connected to the first pipe portion. The second water connection is connectable to a water reservoir which is to be provided. The second pipe portion is connectable to a water source which is to be attached. The third pipe portion is connectable to a tap for water, so as to be able in this way to provide an improvement in the water quality.

WATER SUPPLY AND DISTRIBUTION SYSTEM ON-BOARD AN AIRCRAFT AND METHOD FOR OPERATING SUCH SYSTEM

A method for operating an on-board water supply and distribution system of an aircraft for supplying water includes a central water tank, central pump, having an upstream side and a downstream side for conveying and pressurizing water from the upstream side to the downstream side, consumer assemblies including a supply device and a buffer tank including a pressurizing device. A high-pressure conduit system connects the downstream side with the consumer assemblies and is configured where the central pump operating can deliver water from the downstream side to the buffer tank of each of the consumer assemblies. The method includes operating the central pump where water is pressurized to a first pressure, monitoring pressure in the high-pressure conduit system for a first period of time, and providing a first failure signal when pressure in the high-pressure conduit system drops below a second pressure within the first period of time.

PRESSURE SUPPLY FOR A WATER SYSTEM

A pressure supply system for a fresh water system is provided. The pressure supply system includes a water reservoir having a bleed air inlet and a water outlet. The pressure supply system also includes a water pump so as to load water, which is loaded with bleed air pressure, with a further pressure downstream until a predetermined nominal operating pressure range is achieved. As a result, the pressure supply system provides an increased redundancy by pressure generator assemblies which are based on different pressure generation principles. 1. A pressure supply system for a fresh water system , comprising:a water reservoir having a bleed air inlet and a water outlet; anda water pump arranged downstream from the water outlet;wherein the water pump is configured so as to pressurize water, with a further pressure downstream until a predetermined nominal operating pressure range is achieved.2. The pressure supply system according to claim 1 , further comprising a water pressure measurement means and a water pump control system claim 1 , wherein the water pressure measurement means is arranged downstream from the water pump and coupled to the water pump control system claim 1 , the water pump control system being configured to keep a water pressure downstream from the water pump in the predetermined nominal operating pressure range.3. The pressure supply system according to claim 1 , wherein the water pump is configured in such a way that when deactivated the water pump makes it possible for water to flow through.4. The pressure supply system according to claim 3 , wherein the water pump is a rotary pump.5. The pressure supply system according to claim 1 , wherein the pressure supply system has a predetermined minimum operating pressure claim 1 , the minimum operating pressure being less than the nominal operating pressure range claim 1 , a bleed air pressure and the water pump is dimensioned in such a way that the bleed air pressure and the water pump each individually ...

DRAINING DEVICE FOR DRAINING A FLUID LINE

A draining device for draining a fluid line is provided. The draining device comprises a mechanically non-locking coupling and a holding device. The mechanically non-locking coupling is configured to establish a fluid conductive connection with the fluid line. The holding device is configured to stationary fix the mechanically non-locking coupling relatively to the fluid line. The draining device allows establishing a fluid conductive connection between the fluid line and the mechanically non-locking coupling without requiring a mechanical fixation directly at the mechanically non-locking coupling. 1. A draining device for draining a fluid line , comprising:a mechanically non-locking coupling for producing a fluid-conductive connection with the fluid line; anda holding device that holds the mechanically non-locking coupling stationary relative to the fluid line.2. The draining device according to claim 1 ,wherein the holding device connects the mechanically non-locking coupling to the fluid line in a fluid-tight manner.3. The draining device according to claim 1 ,further comprising a drainage line,wherein the mechanically non-locking coupling is arranged at an end of the drainage line; andwherein the holding device is coupled to the drainage line.4. The draining device according to claim 3 ,wherein the holding device is offset relative to the mechanically non-locking coupling in the longitudinal direction of the drainage line.5. The draining device according to claim 1 ,wherein the holding device comprises a locking element; andwherein the locking element is designed for fixing the holding device in such a way that the holding device holds the mechanically non-locking coupling stationary relative to the fluid line.6. The draining device according to claim 5 ,wherein the locking element produces a reversible connection with a mount.7. The draining device according to claim 3 ,further comprising a valve,wherein the valve is arranged in the drainage line and allows the ...

Process for disinfection of an aircraft water system

Procédé de désinfection d’un système hydrique d’un aéronef La présente invention concerne un procédé de désinfection d’un système hydrique d’un aéronef qui comprend l’introduction d’air chaud humide au niveau d’une admission du système hydrique par une unité de service au sol ; le passage de l’air chaud humide de l’admission à travers des canalisations d’eau du système hydrique vers une évacuation du système hydrique ; et l’évacuation de l’air chaud humide au niveau de l’évacuation ; l’air chaud humide passant pendant une période de désinfection prédéterminée dans l’admission et hors de l’évacuation ; et l’air chaud humide présentant une température entre 60°C et 80°C. (Fig. 2) Method for disinfecting a water system of an aircraft The present invention relates to a method for disinfecting a water system of an aircraft which comprises the introduction of hot humid air at the level of an inlet of the water system by a ground service unit; passage of warm moist air from the inlet through water system water pipes to a water system outlet; and exhausting hot moist air at the exhaust; warm moist air passing for a predetermined disinfection period into the intake and out of the exhaust; and warm moist air with a temperature between 60°C and 80°C. (Fig.2)

Low temperature rendering process, and meat product

A low temperature rendering process for converting animal trim-mings to meat product which can be classified as finely textured meat. The low temperature rendering process includes the steps of heating desinewed animal trimmings in a heat exchanger having a first-in and first-out arrange-ment to provide heating of the desinewed animal trimmings to a tempera-ture in the range of about 90 °F to about 110 °F to form a heated slurry; separating a solids stream and a liquids stream from the heated slurry, the solids stream containing an increased amount of protein and moisture, and the liquids stream containing an increased amount of tallow, water soluble protein, and moisture; separating a heavy phase and a light phase from the liquids stream, the heavy phase containing an increased amount of mois-ture and water soluble protein, and the light phase containing an increased amount of tallow; and combining the solids stream and the heavy phase to form a meat product.

Drain mast

Dargestellt und beansprucht ist ein Abflussmast für ein Flugzeug zum Ablassen von Wasser aus dem Flugzeuginnern mit einer Leitung, die sich in einer Leitungsrichtung von einem Anschlussende zu einem Ablassende erstreckt. Das Anschlussende ist zur Verbindung mit einer weiteren Leitung im Innern des Flugzeugs vorgesehen, durch die Wasser in den Abflussmast einströmt. Das Ablassende zum Ablassen des Wassers in eine Umgebung des Flugzeugs vorgesehen. Die Leitung weist einen Kunststoff auf, in dem ein leitfähiges Material eingebettet ist, mittels dessen die Leitung elektrisch beheizt werden kann, indem ein Heizstrom durch das leitfähige Material geleitet wird. Ein Anteil des eingebetteten leitfähigen Materials in der Leitung nimmt in Leitungsrichtung pro Längeneinheit vom Anschlussende der Leitung zum Abflussende hin derart zu, dass die in die Leitung eingebrachte Heizleistung pro Längeneinheit vom Anschlussende zum Ablassende hin zunimmt. Shown and claimed is an aircraft drain mast for draining water from the aircraft interior having a conduit extending in a conduit direction from a connector end to a drain end. The connector end is intended for connection to another line inside the aircraft through which water flows into the drain mast. The drain end is intended for draining the water to an environment of the aircraft. The line has a plastic in which a conductive material is embedded, by means of which the line can be electrically heated by a heating current being passed through the conductive material. A proportion of the embedded conductive material in the duct increases in the duct direction per unit length from the terminal end of the duct toward the drain end such that the heating power introduced into the duct per unit length from the terminal end toward the drain end increases.

Water supply system with bi-directional UV disinfection device

Wasserdesinfektionssystem mir einer Wasserdesinfektionsvorrichtung mit einem UV-Lichterzeuger zum UV-Behandeln von Wasser, einer Wasserleitung mit einem ersten Leitungsabschnitt und einem zweiten Leitungsabschnitt sowie einem zwischen dem ersten und dem zweiten Leitungsabschnitt abzweigenden dritten Leitungsabschnitt, wobei die Wasserdesinfektionsvorrichtung einen ersten Wasseranschluss und einen zweiten Wasseranschluss aufweist, wobei der erste Wasseranschluss mit dem ersten Leitungsabschnitt verbunden ist, wobei der zweite Wasseranschluss mit einem bereitzustellenden Wasserreservoir verbindbar ist, wobei der zweite Leitungsabschnitt mit einer anzuschließenden Wasserquelle verbindbar ist, wobei der dritte Leitungsabschnitt mit einer Zapfstelle für Wasser verbindbar ist, um auf diese Weise eine Verbesserung der Wasserqualität bereitstellen zu können. A water disinfection system having a water disinfection device with a UV light generator for UV-treating water, a water pipe having a first pipe section and a second pipe section, and a third pipe section branching between the first and second pipe sections, the water disinfection device having a first water connection and a second water connection wherein the first water connection is connected to the first line section, wherein the second water connection is connectable to a water reservoir to be provided, wherein the second line section is connectable to a water source to be connected, the third line section being connectable to a tap for water so as to be connectable to provide an improvement in water quality.

Process for disinfection of an aircraft water system

Procédé de désinfection d’un système d’eau d’un aéronef La présente invention concerne un procédé de désinfection d’un système d’eau d’un aéronef comprenant l’admission d’eau chaude au niveau d’une admission du système d’eau par une première unité d’entretien au sol ; le passage de l’eau chaude depuis l’admission jusqu’à une évacuation du système d’eau à travers des canalisations d’eau du système d’eau ; et l’évacuation de l’eau chaude au niveau de l’évacuation par la première unité d’entretien au sol ou une deuxième unité d’entretien au sol ; l’eau chaude passant dans l’admission et hors de l’évacuation pendant une durée de désinfection prédéfinie ; et l’eau chaude étant mise à disposition au niveau de l’admission par un chauffe-eau de la première unité d’entretien au sol. (figure 2)

Method for draining a local water distribution system

Disclosed and claimed is a method for draining a local water distribution system (32) comprising a buffer, supply lines connecting one or more consumers to the buffer and consumer valves associated with the one or more consumers. The buffer is configured for locally storing water from an aircraft water supply system to be distributed to the one or more consumers. Water from the buffer can be dispensed through a consumer of the one or more consumers by opening the consumer valve associated with the respective consumer. Water is drained from the supply lines by opening the consumer valves. Water is drained from the buffer through one of the supply lines and the consumer valves or through a drain valve connecting the buffer to a wastewater system of an aircraft. Further, a corresponding local water distribution system (32) and an aircraft are disclosed and claimed.

An aircraft comprising a high-pressure water supply and distribution system

Method for pneumatically draining a water supply system

Disclosed and claimed is a method for draining a water supply system (1) onboard an aircraft which supplies water from a central water tank to a plurality of consumers. Water is supplied by a supply pump from the central water tank through supply lines of a conduit system to a plurality of consumers. Each consumer is associated with a supply valve for drawing water from the conduit system. The supply lines have a maximum internal diameter of 8 mm or less. The method comprises the steps of closing the supply valves of all consumers, subjecting the supply lines of the conduit system at the at the supply pump to a draining pressure and sequentially opening the supply valves of all consumers for removing water from the supply lines of the conduit system. Further, a corresponding water supply system and an aircraft are disclosed and claimed.

Water supply system comprising a venturi pipe

Water supply system, comprising a first pipe, a water reservoir, and a Venturi pipe having a first Venturi nozzle terminal, a second Venturi nozzle terminal and a Venturi nozzle branch arranged between the first and second Venturi nozzle terminal, wherein the first Venturi nozzle terminal is connected via the first pipe to the water reservoir, wherein the first Venturi nozzle terminal is connectable to a second pipe to fill the water reservoir, wherein the branch of the Venturi pipe is connectable to a third pipe to supply taps, wherein water flows through the Venturi pipe from the first Venturi nozzle terminal to the second Venturi nozzle terminal when the water reservoir is filled, and water flows through the Venturi pipe from the second Venturi nozzle terminal to the Venturi nozzle branch during the supply procedure, to provide a water supply system which requires less maintenance and is less temperamental.

Water supply system comprising a venturi pipe

Water supply system comprising a venturi pipe

Water supply system, comprising a first pipe, a water reservoir, and a Venturi pipe having a first Venturi nozzle terminal, a second Venturi nozzle terminal and a Venturi nozzle branch arranged between the first and second Venturi nozzle terminal, wherein the first Venturi nozzle terminal is connected via the first pipe to the water reservoir, wherein the first Venturi nozzle terminal is connectable to a second pipe to fill the water reservoir, wherein the branch of the Venturi pipe is connectable to a third pipe to supply taps, wherein water flows through the Venturi pipe from the first Venturi nozzle terminal to the second Venturi nozzle terminal when the water reservoir is filled, and water flows through the Venturi pipe from the second Venturi nozzle terminal to the Venturi nozzle branch during the supply procedure, to provide a water supply system which requires less maintenance and is less temperamental.

An aircraft comprising a high-pressure water supply and distribution system

Described and claimed is an aircraft with a drinking water supply and distribution system comprising a water storage tank, a consumer equipment, a pressurization means, a pressure reducer and a conduit system connecting the drinking water storage tank to the consumer equipment via the pressurization means and supplying water from the at least one water storage tank to the at least one consumer equipment. The pressurization means pressurizes water in the conduit system with a peak pressure exceeding a supply water pressure threshold. The conduit system comprises flexible conduits having a maximum internal diameter of less than 8 mm. The pressure reducer is provided for reducing the pressure of water supplied to the consumer equipment below a consumer water pressure threshold. The supply water pressure threshold exceeds the consumer water pressure threshold.

Water supply system with cross-feed link and aircraft having a water supply system

The present disclosure relates to a water supply system (100) for a plurality of water consumer units (11, 12) in an aircraft (1). The system comprises a main tank (110) configured to store a main supply of water, a main water pipe (120) connected to an outlet of the main tank, and a plurality of water networks (150, 152), each configured to conduct water from the main tank (110) to at least one of the plurality of water consumer units. The plurality of water consumer units is partitioned in a first group (11) of water consumer units (11a, 11b, 11c) and at least a second group (12) of water consumer units (12a, 12b, 12c, 12d). Each of the plurality of water networks (150, 152) comprises a conveying device (130, 132) configured to convey water to each water consumer unit (11a, 11b, 11c, 12a, 12b, 12c, 12d) of one of the groups. The water supply system further comprises a cross feed valve configured to fluidically connect or separate the plurality of water networks downstream of the conveying devices in the plurality of water networks.

Water supply and distribution system on-board an aircraft and method for self-sustaining hygienic operation of such system

The present invention relates to a method for operating an on-board water supply and distribution system of an aircraft for supplying water, the system comprising a central water tank (7), first consumer assemblies (5), wherein each of the buffer tanks (37) of the first consumer assemblies (5) comprises a heater configured to heat up water in the buffer tank (37) to a disinfection temperature, a pump (21) having an upstream side and a downstream side and being configured such that it may operate in a supply mode and a reverse mode, and a high pressure conduit system (27), wherein the central water tank (7) is connected to the upstream side of the pump (21), wherein the high pressure conduit system (27) connects the downstream side with the plurality of first consumer assemblies (5), the method comprising the following steps:- operating the pump (21) in the supply mode so that water from the central tank (7) is supplied to at least one of the first consumer assemblies (5) wherein the buffer tank (37) of the at least one of the first consumer assemblies (5) is filled,- operating the heater of the buffer tank (37) of the at least one of the first consumer assemblies (5) in such a manner, that the water in the buffer tank (37) of the at least one of the first consumer assemblies (5) is heated up to a predetermined disinfection temperature, and- operating the pump (21) in the reverse mode so that the heated water in the buffer tank (37) of the at least one of the first consumer assemblies (5) passes through a part of the high pressure conduit system (27) and the upstream side of the pump (21).

Water supply and distribution system on-board an aircraft and method for operating such system with low maintenance effort

The present invention relates to a method for operating an on-board water supply and distribution system of an aircraft for supplying water, the system comprising a central water (7) tank, a plurality of consumer assemblies (5), each consumer assembly (5) comprising a supply device and a buffer tank (37), a pump (21) being configured such that it may operate in a supply mode and a reverse mode, a filter device (23), and a high pressure conduit system (29), wherein the central water tank (7) is connected to the upstream side (25) of the pump (21) with the filter device (23) being arranged between the central water tank (7) and the upstream side (25), wherein the high pressure conduit system connects the downstream side (27) with the plurality of consumer assemblies (5), with the conduit system (29) being configured such that the pump (21), when operating in the supply mode, is capable of delivering water from the downstream side (27) to the buffer tank (37) of each of the consumer assemblies (5), wherein, when the pump (21) is operating in the reverse mode, it is capable of conveying water from the downstream side (27) to the upstream side (25), the method comprising the following steps: operating the pump (21) in the supply mode so that water from the central tank (7) is delivered to at least one of the consumer assemblies (5) in a first time interval wherein the buffer tank (37) of the at least one consumer assembly (5) is filled, and operating the pump (21) in the reverse mode in a second time interval so that water from the buffer tank (37) of the at least one of the consumer assemblies (5) passes through the filter device (23).

Method for autonomous servicing of an aircraft, and a service panel, aircraft and system providing for autonomous servicing of an aircraft

The present disclosure relates to a method for servicing an aircraft (300) by a ground service unit (200). The method comprises reading (510) a wireless parameter signal from a transponder (325) at the aircraft (300), decoding (520) the wireless parameter signal to derive at least one aircraft parameter of a water supply system (310) and/or a waste system (312) of the aircraft (300), moving (530) a servicing equipment interface (222) to a service panel (320) of the aircraft (300), connecting (540) the servicing equipment interface (222) to a coupling (321, 327) at the service panel (320), servicing (550) the aircraft (300) via the servicing equipment interface (222) corresponding to the at least one aircraft parameter, and writing (560) a service parameter into the transponder (325) at the aircraft (300).

Method for autonomous servicing of an aircraft, and a service panel, aircraft and system providing for autonomous servicing of an aircraft

The present disclosure relates to a method for servicing an aircraft by a ground service unit. The method comprises reading a wireless parameter signal from a transponder at the aircraft, decoding the wireless parameter signal to derive at least one aircraft parameter of a water supply system and/or a waste system of the aircraft, moving a servicing equipment interface to a service panel of the aircraft, connecting the servicing equipment interface to a coupling at the service panel, servicing the aircraft via the servicing equipment interface corresponding to the at least one aircraft parameter, and writing a service parameter into the transponder at the aircraft.

An aircraft comprising a high-pressure water supply and distribution system

Described and claimed is an aircraft with a drinking water supply and distribution system comprising a water storage tank, a consumer equipment, a pressurization means, a pressure reducer and a conduit system connecting the drinking water storage tank to the consumer equipment via the pressurization means and supplying water from the at least one water storage tank to the at least one consumer equipment. The pressurization means pressurizes water in the conduit system with a peak pressure exceeding a supply water pressure threshold. The conduit system comprises flexible conduits having a maximum internal diameter of less than 8 mm. The pressure reducer is provided for reducing the pressure of water supplied to the consumer equipment below a consumer water pressure threshold. The supply water pressure threshold exceeds the consumer water pressure threshold.

Low temperature restoration process, and carn product

Water supply system with cross-feed link and aircraft having a water supply system

The present disclosure relates to a water supply system (100) for a plurality of water consumer units (11, 12) in an aircraft (1). The system comprises a main tank (110) configured to store a main supply of water, a main water pipe (120) connected to an outlet of the main tank, and a plurality of water networks (150, 152), each configured to conduct water from the main tank (110) to at least one of the plurality of water consumer units. The plurality of water consumer units is partitioned in a first group (11) of water consumer units (11a, 11b, 11c) and at least a second group (12) of water consumer units (12a, 12b, 12c, 12d). Each of the plurality of water networks (150, 152) comprises a conveying device (130, 132) configured to convey water to each water consumer unit (11a, 11b, 11c, 12a, 12b, 12c, 12d) of one of the groups. The water supply system further comprises a cross feed valve configured to fluidically connect or separate the plurality of water networks downstream of the conveying devices in the plurality of water networks.

Water supply and distribution system on-board an aircraft and method for operating such system

The present invention relates to a method for operating an on-board water supply and distribution system (1) of an aircraft (3) for supplying water, the system comprising a central water tank (9), a central pump (21), having an upstream side (23) and a downstream side (25) and being capable of conveying and pressurizing water from the upstream side (23) to the downstream side (25), a plurality of consumer assemblies (5), each consumer assembly (5) comprising a supply device (7) and a buffer tank (41), wherein the buffer tank (41) of each of the consumer assemblies (5) comprises a pressurizing device (61) configured for applying a consumer pressure to the water kept in the buffer tank (41), and each consumer assembly (5) being configured to supply water from the buffer tank (41) via the supply device (7), and a high-pressure conduit system (27), wherein the central water tank (9) is connected to the upstream side (23), wherein the high-pressure conduit system (27) connects the downstream side (25) with the plurality of consumer assemblies (5), with the high-pressure conduit system (27) being configured such that the central pump (21), when operating is capable of delivering water from the downstream side to the buffer tank (41) of each of the consumer assemblies (5), the method comprising the following steps: operating the central pump (21) such that water in the high-pressure conduit system (27) is pressurized to a predetermined first pressure; monitoring the pressure in the high-pressure conduit system (27) for a predetermined first period of time; and providing a first failure signal when the pressure in the high-pressure conduit system (27) drops below a predetermined second pressure within the first period of time.

Temperaturregelung eines Zirkulationsfluidsystems durch thermo-optimierten Betrieb einer Zirkulationspumpe

Es wird ein thermooptimiertes Zirkulationsfluidsystem (11) vorgestellt, welches eine Zirkulationsleitung (13), eine Zirkulationspumpeneinheit (15) und eine Regeleinheit (17) aufweist. Die Zirkulationspumpeneinheit (15) bildet dabei mit der Zirkulationsleitung (13) einen Zirkulationskreislauf (19). Die Zirkulationspumpeneinheit (15) ist ausgeführt, einen Betrag thermischer Energie (5, 5', 5'') direkt und/oder indirekt an ein in der Zirkulationsleitung (13) befindliches Fluid (21) abzugeben. Die Regeleinheit (17) ist dabei ausgeführt, den an das Fluid (21) abgebbaren Betrag thermischer Energie (5, 5', 5'') einzustellen.

Method for autonomous servicing of an aircraft, and a service panel, aircraft and system providing for autonomous servicing of an aircraft

The present disclosure relates to a method for servicing an aircraft (300) by a ground service unit (200). The method comprises reading (510) a wireless parameter signal from a transponder (325) at the aircraft (300), decoding (520) the wireless parameter signal to derive at least one aircraft parameter of a water supply system (310) and/or a waste system (312) of the aircraft (300), moving (530) a servicing equipment interface (222) to a service panel (320) of the aircraft (300), connecting (540) the servicing equipment interface (222) to a coupling (321, 327) at the service panel (320), servicing (550) the aircraft (300) via the servicing equipment interface (222) corresponding to the at least one aircraft parameter, and writing (560) a service parameter into the transponder (325) at the aircraft (300).

Temperature control of a circulation fluid system by thermally optimised operation of a circulation pump

A thermally optimised circulation fluid system is proposed which comprises a circulation line, a circulation pump unit and a control unit. The circulation pump unit and the circulation line together form a circulation circuit. The circulation pump unit is configured for transferring an amount of thermal energy directly or indirectly to a fluid located in the circulation line. The control unit is configured for adjusting the amount of thermal energy which is transferrable to the fluid.

Water supply and distribution system on-board an aircraft and method for operating such system

The present invention relates to a method for operating an on-board water supply and distribution system of an aircraft for supplying water, the system comprising a central water tank (9), a central pump (21), a plurality of consumer assemblies (5), each consumer assembly (5) comprising a supply device (7) and each consumer assembly (5) being configured to supply water via the supply device (7), and a high-pressure conduit system (27), wherein the central water tank (9) is connected to the upstream side (23), wherein the high-pressure conduit system (27) connects the downstream side (25) with the plurality of consumer assemblies (5), with the high-pressure conduit system (27) being configured such that the central pump (21), when operating is capable of delivering water from the downstream side to the consumer assemblies (5), the method comprising the following steps: operating the central pump (21) such that water in the high-pressure conduit system (27) is pressurized to a predetermined first pressure; operating the consumer assemblies (5) such that in each of the consumer assemblies (5) the connection between the buffer tank (41) of the consumer assembly (5) and the high-pressure conduit system (27) is in a closed position; monitoring the pressure in the high-pressure conduit system (27) for a predetermined first period of time; and providing a first failure signal when the pressure in the high-pressure conduit system (27) drops below a predetermined second pressure within the first period of time.

Water supply and distribution system on-board an aircraft and method for operating such system

A method for operating an on-board water supply and distribution system of an aircraft includes a central water tank, central pump, consumer assemblies each including a supply device to supply water, and a high-pressure conduit system. The high-pressure conduit system connects the downstream side and consumer assemblies and is configured where the central pump can deliver water from the downstream side to the consumer assemblies. The method includes operating the central pump where water in the high-pressure conduit system is pressurized to a predetermined first pressure, operating the consumer assemblies where in each of the consumer assemblies the connection between the buffer tank of the consumer assembly and the high-pressure conduit system is in a closed position, monitoring pressure for a predetermined first period of time, and providing a first failure signal when pressure drops below a predetermined second pressure within the first period of time.

Water supply system with cross-feed link and aircraft having a water supply system

A water supply system for a plurality of water consumer units in an aircraft. The system includes a main tank configured to store a main supply of water, a main water pipe connected to an outlet of the main tank, and a plurality of water networks, each configured to conduct water from the main tank to at least one of the plurality of water consumer units. The plurality of water consumer units is partitioned in a first group of water consumer units and at least a second group of water consumer units. Each of the plurality of water networks includes a conveying device configured to convey water to each water consumer unit of one of the groups. The water supply system further includes a cross-feed valve configured to fluidically connect or separate the plurality of water networks downstream of the conveying devices in the plurality of water networks.

System and method for heating up water for a consumer unit in an aircraft

A system for heating up water for a consumer unit in an aircraft, having a water reservoir and a control unit. The water reservoir has a heating device to heat water held in the water reservoir to a consumer temperature. The control unit controls the heating device so water in the water reservoir is automatically heated to or above a disinfection temperature at which germ formation in the water reservoir is eliminated or suppressed, and a temperature of the water in the water reservoir is maintained at or above the disinfection temperature for a disinfection period, the heating to the disinfection temperature being effected only during flight phases or portions of flight phases of the aircraft during which use of the consumer unit by a user is not to be expected. A corresponding method and an aircraft having such a system are disclosed.

Water supply system for an aircraft

A water supply system for an aircraft having consumers with buffer stores connected to a water tank by lines and a pressure source. Each consumer has a filling valve between the buffer store and the pressure source. The buffer store can be filled by opening the filling valve. In each consumer, water can be removed from the buffer store by opening a consumer valve. Each consumer transmits at least one state parameter describing a state of the buffer store of the respective consumer to a control system. The control system controls opening and closing of the filling valves of the consumers taking into account the transmitted state parameters such that removal of water from the water tank by the pressure source does not exceed a threshold value at any point in time. An aircraft having a water supply system and method for controlling a water supply system are disclosed.