摘要:
The invention relates to a maintenance cycle for an aircraft, which comprises the steps a) carrying out a maintenance process for an aircraft after the expiry of a time interval (ΔT) which is less than or equal to a specified maintenance interval (ΔTW); b) collecting findings data for at least one maintenance measure during the maintenance process; c) archiving the findings data from step b) and the time interval ΔT; d) determining at least one classification number using automated statistical evaluation of archived findings data for all maintenance processes occurring within a first observation period and/or using the averaged utilization factor (G) of the maintenance interval for a second observation period, wherein the first observation period and the second observation period can be the same or different and e) producing an action request for checking and/or adaptation of the maintenance interval as long as the at least one classification number from step d) lies outside a specified tolerance range. The invention also relates to a method for assessing and/or monitoring of a maintenance program for aircraft, a method for the comparison of at least two maintenance programs for aircraft, an apparatus for checking and/or adaptation of a maintenance interval for an aircraft and a signal sequence.
摘要:
The invention relates to a filter granulate for binding constituents of a gas flow, comprising filter particles which have the following components: a) a component for the physisorption of constituents, b) a component for the chemisorption of constituents, c) a component for the dissolving of oil constituents.
摘要:
An apparatus for cleaning a jet engine includes a supply device configured to make cleaning medium available, a nozzle device configured to introduce the cleaning medium into the jet engine, and a line connection between the supply device and the nozzle device. The cleaning medium can be solid carbon dioxide. A system including a jet engine and the apparatus. A method for cleaning a jet engine using solid carbon dioxide.
摘要:
In a circuit configuration and a method for testing storage cells, all of the bit lines lead to one pair of fault lines which is first precharged with mutually-complementary logic levels. All of the storage cells of a word line are always read-out in parallel relative to one another. In the event of "no fault" the pair of fault lines retains its logic states, whereas in the case of a fault one of the fault lines changes its logic state through switching transistors. This is recognized and analyzed by a comparator circuit in the form of an XOR-circuit or an XNOR-circuit.
摘要:
The subject matter of the invention is an arrangement for determining the pressure in an undercarriage tire of an aircraft, which arrangement has a measurement matrix (1) with a plurality of load sensors which are arranged in an area over which the aircraft tire can roll. The invention provides that the arrangement is designed to measure the pressure difference between two or more undercarriage tires.
摘要:
An apparatus for cleaning a jet engine includes a supply device configured to make cleaning medium available, a nozzle device configured to introduce the cleaning medium into the jet engine, and a line connection between the supply device and the nozzle device. The cleaning medium can be solid carbon dioxide. A system including a jet engine and the apparatus. A method for cleaning a jet engine using solid carbon dioxide.
摘要:
A process for the model-supported simulation of the coolant temperature in the case of a vehicle is provided. Conventionally, two temperature sensors are used for determining the coolant temperature, in which case one exists only for determining the temperature when an engine is switched off. Such an additional sensor is cost-intensive and should be avoided. The process avoids using an additional sensor by detecting the coolant temperature at the point in time of the switching-off of the driving engine. A current coolant temperature is continuously calculated while including vehicle-specific data using a temperature model. As an alternative, the current coolant temperature is not continuously calculated, but rather is calculated from a point in time as of which a theoretically determined coolant temperature falls below a specific value.
摘要:
A multi-stage integrated decoder device has a special function which facilitates the simultaneous activation of a plurality and as many as all of its outputs. When it is used as a bit line decoder it is thus possible to activate a plurality and as many as all of the bit lines (including any redundant bit lines) of a block of storage cells of a semiconductor memory.
摘要:
A digital amplifier configuration in integrated circuits for the amplification of a voltage change includes a digital amplifier. The digital amplifier couples pairs of bit lines extended beyond the permissible capacity thereof to extensions of the pairs of bit lines.
摘要:
The subject matter of the invention is an arrangement for determining the pressure in an undercarriage tyre of an aircraft, which arrangement has a measurement matrix (1) with a plurality of load sensors which are arranged in an area over which the aircraft tyre can roll. The invention provides that the arrangement is designed to measure the pressure difference between two or more undercarriage tyres.