Abstract: A line laying and/or recovering method in a body of water that includes providing a laying device including two facing upstream grippers and two facing downstream grippers, defining a passage for the circulation of the line; lowering the line to at least one stop position; stopping the line in the at least one stop position; and, prior to the at least one stopping of the line in the stop position, limited downward overrun past the stop position to a change of direction position; time delay in the change of direction position; limited raising of the line from the change of direction position to the stop position.

Abstract: A method for separating a part blank from a support, wherein the support and the part blank are manufactured by additive manufacturing. The support includes an inner cavity containing a fluid. The separation method includes a heating of the support to deform the support by fluid expansion in the inner cavity until the support is separated from the part blank.

Abstract: An assembly including a nacelle element, such as a cover, a device for locking the nacelle element, a key for locking/unlocking the locking device and an indicator for indicating the position of the locking device. This assembly includes a control device which is configured to be actuated by the key when the key is withdrawn from the locking device so as to make the indicator move from a first state to a second state, the state of the indicator being representative of the locked or unlocked position of the locking device.

Abstract: Method for monitoring an anti-leak valve of a circuit for supplying oil between an oil reservoir and elements to be lubricated of a jet engine, comprising steps of: measuring oil level values in the reservoir, at the beginning and at the end of starting the jet engine; calculating the difference between the measured oil levels, to form a measured change in the oil level; measuring an oil temperature value; determining an estimated change of the oil level in the reservoir, depending on the oil temperature; calculating the difference between the measured change and the estimated change in the oil level for the measured temperature; comparing the calculated difference with a detection threshold; and activating an alarm depending on the result of the comparison.

Abstract: A swivel stack for transfer of fluid across a rotary interface around a rotation axis between incoming and outgoing flow-lines, includes: a group of lower, upper and central annular elements; the lower, upper and central element each being centered around the axis; the central element positioned between the lower and upper elements; an outer annular element centered around the axis between the lower and upper elements; a toroidal chamber between the central and outer elements; downward and upward facing surfaces of the outer element being adjacent to the upward surface of the lower element and the downward surface of the upper element; the lower element's upward surface and the upper element's downward surface having a first stepped surface and the outer element's upward and downward surfaces have a second stepped surface, such that at least two annular cavities centered around the rotation axis are provided.

Abstract: A sampler for use with a bioreactor for growing a cell culture is disclosed. In one embodiment, the bioreactor includes a structured fixed bed including a removable sample portion for recovering a sample of cells from the cell culture. Related apparatuses and methods are also disclosed.

Abstract: A TRV-type turbine casing includes inner and outer annular shrouds that extend one inside the other and about the same axis and are connected together by arms. A tool for disassembling and moving the casing has a lower carriage for moving the tool, and an upper plate to be attached to the turbine casing. The plate is supported by the carriage and includes first members that cooperate with a first annular flange of one of the shrouds to support the casing and axially immobilize the casing relative to the tool. The plate further includes second members that cooperate with a second annular flange of the other shroud in order to prevent and/or guide the rotation of the casing about the axis.

Abstract: The invention relates to a method for estimating a dead zone at closing of a flap (P1) of a discharge valve (VBV1) of a turbomachine, in which the actual position of the actuator (V1) is measured for a setpoint closing signal of the flap (P1), a static angle is determined from the actual position, a closing dead zone is determined, corresponding to the fact that the joint (J1) is compressed so as to not let the primary flow pass through the orifice (O1) in the secondary flow, by the fact that the dead zone is equal to a reference dead zone, which has been predetermined on a reference turbomachine operating on the ground, to which the measured static angle has been added and from which a reference static angle, which has been predetermined on the reference turbomachine operating in flight, has been subtracted.

Abstract: The invention relates to a method for controlling a pitch angle of the vanes or blades of a propellant body of a turbine engine, comprising generating a pitch command (ifinal) according to a rotational speed of the propeller (XNmes) and a speed setpoint (XNcons), the method comprises a nominal regulating chain (13), wherein the pitch command is further generated according to a value of a pitch angle (?mes) of the vanes or blades of the propellant body, and an off-nominal regulating chain (16), wherein the pitch command is generated independently of a value of a pitch angle of the vanes or blades of the propellant body.

Abstract: A system including one or more processors and one or more non-transitory computer-readable media storing computing instructions configured to run on the one or more processors and perform: bundling multiple registered queries of a dataset using a scheduling technique, wherein the dataset is homogenous in schema; running a single table scan of the dataset to process the multiple registered queries of the dataset in parallel; and generating a respective output responsive to each of the multiple registered queries. Other embodiments are disclosed.

Abstract: A method detects and localizes a failure of a measurement acquisition channel in an acquisition system including two redundant acquisition channels for the measurement of a physical quantity in an environment. The method uses a processor with a memory storing a model including modeled values of the physical quantity based on measurements of other physical quantities in the environment. The method includes detecting a symptomatic error of a defective acquisition channel when a deviation between the measured values of the two channels reaches a detection threshold, waiting to let the acquisition system evolve for a certain period, and localizing the defective channel among the two channels, when the deviation of the values measured between the channels reaches a localization threshold different from the detection threshold. The localization is made from the comparison of the measured value of each of the channels with a modeled value of the physical quantity.

Abstract: A method including at least one phase of near-immobilization or immobilization of the line, including the following steps: activation of the motor of at least one upper tensioner and/or of at least one lower tensioner by a control unit, in order to apply to the movement member of the upper tensioner and/or of the lower tensioner, a holding torque to hold the line against its weight; at least occasional control by the control unit of at least one motor of an upper tensioner and/or of a lower tensioner for causing a movement member of the upper tensioner and/or lower tensioner to move or for changing the holding torque applied to the movement member of the upper tensioner and/or of the lower tensioner.

Abstract: An apparatus for culturing cells includes a bioreactor. The bioreactor may be modular and may include in a chamber a fixed bed, such as an unstructured or structured fixed bed (such as a spiral bed) for culturing cells, with a return column arranged centrally within the chamber. The modular bioreactor may include a plurality of structured fixed bed arranged in a stacked configuration. The modular bioreactor may include an outer casing forming a space for conditioning (e.g., insulating, heating, cooling) at least a chamber in which cells are cultured. The bioreactor may also include an impeller with radially curved blades, and may also suspend the impeller so that it may move from side-to-side and align with an external drive. Related methods are also disclosed.

Abstract: A cooling device (11) for a turbine of a turbomachine extending along an axis includes at least one radially inner metal sheet (14) and one radially outer metal sheet (15) that are joined to one another and delimit, between them, cooling air circulation channels (17) extending circumferentially from a connection region (16). Each channel (17) includes at least one air inlet and air ejection orifices (19), that are designed to be oriented toward a region to be cooled. The cooling device also includes at least one cooling duct (21) intended for the circulation of cooling air, the duct (21) located radially outside said metal sheets (14, 15) and close to or in contact with the metal sheets so as to cool said metal sheets using the cooling air circulating in the duct (21), the cooling duct (21) extending axially and arranged toward the circumferential end regions of the channels (17).

Abstract: An apparatus for culturing cells includes a bioreactor. The bioreactor may be modular and may include in a chamber a fixed bed, such as an unstructured or structured fixed bed (such as a spiral bed) for culturing cells, with a return column arranged centrally within the chamber. The modular bioreactor may include a plurality of structured fixed bed arranged in a stacked configuration. The modular bioreactor may include an outer casing forming a space for conditioning (e.g., insulating, heating, cooling) at least a chamber in which cells are cultured. The bioreactor may also include an impeller with radially curved blades, and may also suspend the impeller so that it may move from side-to-side and align with an external drive. Related methods are also disclosed.

Abstract: A lubricating oil circuit of a turbomachine includes a distribution valve that distributes an oil flow rate among a first heat exchanger and a bypass duct, connected to an oil duct, which is connected to an heat exchanger positioned against a turbomachine fuel passage duct, and includes a gearbox of a rotation speed reducer that lowers a rotational speed of a first rotary fan shaft of the turbomachine relative to a rotational speed of a second low-pressure compressor rotary shaft of the turbomachine or of a second low-pressure turbine rotary shaft of the turbomachine, and a regulation device. The regulation device includes a local regulation loop that generates an oil flow rate distribution control signal and regulates an oil temperature of the oil duct on a temperature setpoint, and a global regulation loop that generates the temperature setpoint as a function of the temperature and of the temperature setpoint.

Abstract: The invention relates to a method for controlling a pitch angle of the vanes or blades of a propellant body of a turbine engine, comprising generating a pitch command (ifinal) according to a rotational speed of the propeller (XNmes) and a speed setpoint (XNcons), the method comprises a nominal regulating chain (13), wherein the pitch command is further generated according to a value of a pitch angle (?mes) of the vanes or blades of the propellant body, and an off-nominal regulating chain (16), wherein the pitch command is generated independently of a value of a pitch angle of the vanes or blades of the propellant body.

Abstract: A system including one or more processors and one or more non-transitory computer-readable media storing computing instructions configured to run on the one or more processors and perform: bundling multiple registered queries of a dataset using a scheduling technique, wherein the dataset is homogenous in schema; running a single table scan of the dataset to process the multiple registered queries of the dataset in parallel; and generating a respective output responsive to each of the multiple registered queries. Other embodiments are disclosed.

Abstract: An apparatus for culturing cells with enhanced gas transfer and thermal regulation is provided. The apparatus includes a bioreactor with a cell culture bed, such as a fixed structured bed. A pump, such as an agitator, serves to pump liquid through the cell culture bed, and a container is provided for the agitator. A first conduit may be associated with the container, such as by being connected to it or adjacent an opening into it. The bioreactor may also include flow extenders to enhance the gas transfer to a liquid used as media to culture the cells, as well as optional thermoregulators. Related methods are also disclosed.

Abstract: An apparatus for culturing cells includes a bioreactor. The bioreactor may be modular and may include in a chamber a fixed bed, such as an unstructured or structured fixed bed (such as a spiral bed) for culturing cells, with a return column arranged centrally within the chamber. The modular bioreactor may include a plurality of structured fixed bed arranged in a stacked configuration. The modular bioreactor may include an outer casing forming a space for conditioning (e.g., insulating, heating, cooling) at least a chamber in which cells are cultured. The bioreactor may also include an impeller with radially curved blades, and may also suspend the impeller so that it may move from side-to-side and align with an external drive. Related methods are also disclosed.