Abstract: A door drive device for electromotively adjusting a vehicle door comprises an electric motor, a transmission which includes a first gear stage to be driven by the electric motor and a second gear stage operatively connected to the first gear stage, and an output element operatively connected to the second gear stage for outputting an adjusting force for adjusting the vehicle door. The first gear stage includes a first housing part. The second gear stage includes a planetary transmission to be driven by the first gear stage and a second housing part forming a ring gear toothing of the planetary transmission. The transmission includes an intermediate element which is arranged between the first housing part and the second housing part and connects the first housing part and the second housing part with each other in a torque-resistant manner.

Abstract: A water tank for operation in an aircraft includes a rigid tank shell, and a pressure compensation mechanism to equalize a pressure inside of the rigid tank shell with an environment. The pressure compensation mechanism includes a shutoff member to move between a closed position, a first open position allowing air to enter the rigid tank shell and a second open position allowing air to leave the rigid tank shell.

Abstract: A microorganism is transformed to be capable of producing guanidinoacetic acid (GAA) having an inactivated amino acid exporter. The microorganism is used in a method for the fermentative production of GAA. Moreover, creatine is produced by a method of fermentative production.

Abstract: The present disclosure provides a process for producing a modified microporous membrane, comprising (i) Providing a first solution comprising at least one first polymer and at least one epoxy functional compound; (ii) Providing a second solution comprising at least one diamine compound; (iii) Bringing the first solution and the second solution into contact, thereby obtaining a modified microporous membrane comprising at least one first polymer and the crosslinked reaction product of the at least one epoxy functional compound and the at least one diamine compound; wherein the modified microporous membrane is a hollow-fiber membrane; and wherein the first solution is a dope solution, the second solution is a bore solution, and bringing the first and second solutions into contact takes place in a spinneret.

Abstract: 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.

Abstract: A microorganism is transformed to be capable of producing guanidinoacetic acid (GAA). A method can be used for the fermentative production of GAA using such microorganism. A corresponding method can also be used for the fermentative production of creatine.

Abstract: A microorganism is capable of producing guanidinoacetic acid (GAA) that has been improved by using a carbamate kinase. The microorganism with an improved capacity to provide L-arginine as starting material of the GAA biosynthesis by efficient recycling of ornithine improves the production process of GAA. A method for the fermentative production of GAA and a method for the fermentative production of creatine include the incorporation of the microorganism.

Abstract: A microorganism produces guanidinoacetic acid (GAA) and has at least one gene coding for a protein having the function of a NADH-dependent dehydrogenase. A method for the fermentative production of GAA uses such microorganism. A method produces creatine through fermentative production. Industrial feed stocks are used as starting material in the fermentative process.

Abstract: A microorganism is capable of producing guanidinoacetic acid (GAA) that has been improved by using a carbamate kinase. The microorganism with an improved capacity to provide L-arginine as starting material of the GAA biosynthesis by efficient recycling of ornithine improves the production process of GAA. A method for the fermentative production of GAA and a method for the fermentative production of creatine include the incorporation of the microorganism.

Abstract: A greywater reuse lavatory for an aircraft and a corresponding aircraft equipped therewith. The greywater reuse lavatory buffers greywater from a water consumer and allows flushing a toilet bowl through a flushing supply pipe having a plurality of nozzles, wherein the flushing supply pipe can be flushed out or cleaned via a discharge.

Abstract: 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.

Abstract: A line assembly for installation in an aircraft fuselage includes a first line section having a first diameter, a second line section having a second diameter, a set of first line brackets, and a set of second line brackets. The first line brackets include a first receiving space configured to hold the first line section and a first support portion for attaching the first line brackets to a fuselage structural part. The second line brackets include a second receiving space configured to hold the second line section and a second support portion for attaching the second line brackets to the first line section. The second line section includes a higher flexibility than the first line section. The second line section is attached to the first line section through a plurality of second line brackets arranged at a distance to and independent from the first line brackets.

Abstract: An aircraft with a potable water system enabling the connection of monuments to preinstalled aircraft potable water interfaces by customized piping, which is routed within raceways for example directly along seat rails, and an installation method.

Abstract: An aircraft with a potable water system to feed potable water from a potable water tank to a consumer equipment of a monument in the aircraft cabin, including potable water interfaces, and at least one monument, with at least one opening in the monument to establish a fluid connection to the consumer equipment, wherein at least one potable water interface is accessible through the at least one opening, and an assembly method for installing a potable water system wherein standard parts of the potable water system are preinstalled and customized parts are installed later on.

Abstract: A water supply system for an aircraft includes a water supply tank, water consumers, a pressurization unit to convey water from the water supply tank to the water consumers, water consumer supply units, each of the water consumer supply units configured to control water supply from the pressurization unit to one of the water consumers, and a controller. Each of the water consumer supply units is configured to output a consumer signal indicating a water supply of the respective water consumer, wherein the controller is configured to receive the consumer signal of the water consumer supply units and to control a flow rate and/or pressure of the pressurization unit depending on the consumer signal.

Abstract: A high pressure water supply system for an aircraft includes a main water supply tank, water consumers, pressurization units configured to convey water from the main water supply tank to the water consumers, and a controller. One pressurization unit of the pressurization units conveys water to a first subset of water consumers of the water consumers via a corresponding high pressure water supply line, and the controller is configured to control an output pressure of the one pressurization unit depending on a hydraulic resistance length of the high pressure water supply line.

Abstract: A water supply system for an aircraft and a method for draining water from or passing air into or out of a buffer tank of a water supply system in an aircraft. The system includes a water buffer tank having a fluid inlet and outlet, a supply arrangement for selective flow from the fluid outlet to a user equipment, and a relief arrangement for permitting fluid flow from the fluid outlet. The relief arrangement includes a relief conduit having a separation element with a separation element inlet positioned above a separation element outlet and separated therefrom by a separation distance such that water flowing in a forwards direction therethrough flows from the inlet to the outlet across the separation distance, and water flowing in a reverse direction therethrough flows into the separation element outlet and is retained therein, and wherein the separation element is defined by the user equipment.

Abstract: A microorganism is transformed to be capable of producing guanidinoacetic acid (GAA). A method can be used for the fermentative production of GAA using such a microorganism. A corresponding method can be used for the fermentative production of creatine.

Abstract: The present invention relates to a tubular anti-roll bar for a vehicle chassis, produced from a metal tubular body, comprising a torsion spring portion, two limbs bent off from the torsion spring portion and a bending portion, arranged between the torsion spring portion and the respective bent limb and having an inside bending radius (IB) and an outside bending radius (OB), wherein the tubular anti-roll bar has a structure with grains with a grain size distribution and an average grain size, wherein the structure has a ratio between the average grain size in the bending portion of the inside bending radius (IB) in relation to the average grain size in the torsion spring portion in the range of 73% to 77%.

Abstract: 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.