38results about How to "Simple and effective and economical" patented technology

Method and system of communication that allow people unknown to each other who have visual contact, to communicate by sms or e-mail based on the identification of system users through the perception of codes of registered users, formed from the combination of graphic symbols that follow uniquely identifying coding rules for each user within the system, by use of a computer application that decodes said user codes and allows the delivery of messages between said users, ensuring maximum discretion during communication, both towards the rest of the environment and towards the user with whom one wishes to establish contact.

A portable mechanical device to assist in external chest compressions during cardio-pulmonary resuscitative procedures. The embodiment consists of a frame (100), a plunger unit (104) and an articulating lever (109). The bottom member (102) of the frame is positioned under the subject such that the dome of the plunger unit (104) rests above the mid-sternal region. The handle (108) at the free end of the lever is used to apply downward force by the life-saver to provide the necessary chest compressions. The device is light in weight, easily transportable, and has an indefinite shelf life. This device is designed to be used by anyone with a basic training in CPR. The portability of the device renders itself useful outside the environs of a hospital, in confined quarters, and at remote locations.

A propulsion system for an airplane having an integrated pylon includes a bypass turbojet and a nacelle. The nacelle has a downstream cylindrical part which is rigid and is attached at its upstream end to an intermediate case of the engine. This downstream cylindrical part also includes a longitudinal beam for attaching rods to secure the engine to the airplane.

A control panel including a cover which is provided with at least one tactile pressure detection zone forming a control button, in which a force sensor is arranged between the cover and a support, behind the detection zone, in which a spacer made of elastically compressible material is mounted between the force sensor and the cover so as to take up the mechanical plays between the force sensor and the cover, characterized by the fact that the spacer is at least partially translucent and by the fact that the control panel includes at least one main light source and a light collector which permits injection of the light produced by the said main light source into the thickness of the spacer so that the spacer produces a backlighting beam directed towards a zone to be illuminated of the detection zone.

A control device of variable pitch vanes in a turbomachine is disclosed. The control device includes a ring surrounding a casing of the turbomachine and connected by links to the variable pitch vanes, and a jack connected to the ring in order to displace it in rotation around the casing. The jack is mounted pivoting on the casing and its piston rod is connected to the ring by a connecting rod. The piston and connecting rods are articulated on an axis which is connected to the casing by a guiding device maintaining it at a substantially constant distance from the casing.

The system is based on placing on the façade a suitably anchored metal structure to which is fixed a plastic panel supporting geomesh layers that constitute support for the plants. At the top of these geomesh layers drip irrigation nozzles are arranged, supplied by a water recirculation pipe, and excess water is collected in a channel, which is then filtered, analysed, supplemented with fertilizer and acids, all under computer control. There is also the option to empty the recirculation circuit and add new water treated by reverse osmosis from a tank.

The invention relates to a method for producing a rotor vane (10) for a turbomachine, comprising a step consisting in producing a rough casting, the heel of which has a downstream lip (121) with a transverse increased thickness (130) such that the lip has an upstream surface (134) substantially parallel to the above-mentioned axis, said method comprising an additional step of machining said increased thickness so that the downstream lip has an upstream surface (138) inclined in relation to the above-mentioned axis.

A control panel including a cover which is provided with at least one tactile pressure detection zone forming a control button, in which a force sensor is arranged between the cover and a support, behind the detection zone, in which a spacer made of elastically compressible material is mounted between the force sensor and the cover so as to take up the mechanical plays between the force sensor and the cover, characterized by the fact that the spacer is at least partially translucent and by the fact that the control panel includes at least one main light source and a light collector which permits injection of the light produced by the said main light source into the thickness of the spacer so that the spacer produces a backlighting beam directed towards a zone to be illuminated of the detection zone.

An attachment kit with swiveling wheel for converting a self-propelled rotary tiller with rear tines and motor driven wheels into a towing machine. The attachment kit is secured to the tiller in place of the drag stake. A mounting bracket (8) allows for the assembly to be easily mounted to the rotary tiller without removing either tines (11) or the tine guard (12). The attachment kit with swiveling wheel (9) adds versatility and stability to the rotary tiller by converting it into a towing machine which can be used to tow many different types of trailers, nut harvesters, garden carts, etc. A towing tower (10a) and (10b) to facilitate towing a nut harvester easily connects to the attachment kit. The attachment kit also accepts ball-type hitches and drop-pin hitches.

Method for cleaning a braiding machine, particularly a machine for braiding electrical cables, said braiding machine comprising a plateau (12) for supporting an annular row of spindle drive members (14), characterized in that it comprises a step of equipping the machine with at least one cleaning tool (14), this cleaning tool comprising on the one hand means (90) configured to be driven by the members and, on the other hand, at least one guide element configured to be housed in slideways (32) for the movement of the tool, said guide element being configured to drive or to be equipped with a means (80) of cleaning said slideways, and a step of rotating said members so as to drive said cleaning means in said slideways.

Jacquard loom (100) for producing a woven preform (102) from a plurality of warp yarns and a plurality of weft yarns, said loom comprising a device (106) for taking up the preform when it is being produced, in order to move it along an axis (X) as it is being formed, which axis is substantially parallel to a production direction for the preform, characterised in that said loom also comprises means (105) for rotating the preform, substantially about said axis.

A collector includes one or more air / oxygen / gas introduction ports to form a bubbler that produces curtains of air / oxygen / gases into the waterway. The bubbler can be integrated into the collector, or formed as a separate component used with or without the collector. First and second pumps provide for improved removal of sediment collected in the collector cavity.

Method for determining the gradient on which a motor vehicle is traveling, comprising a step (44) of detecting disengagement of the clutch, a step (46) of measuring the variation in speed of the vehicle on the gradient when the clutch is disengaged, a step (48) of estimating the vehicle load, and a comparison (50) with calibration curves stored in memory and providing deceleration values for various gradients and various vehicle loads at various vehicle speeds.

A clutch release bearing (17), in particular for a motor vehicle, having: a tubular body (30) through which at least one input shaft (11) of a gearbox is intended to pass; at least one actuator having a part, movable in translation along the axis (X) of the body (30), intended for actuation of a clutch diaphragm; a target (28a, 28b) whose position is representative of the position of the movable part of the actuator; and a detector (29a, 29b) capable of detecting the position of the target (28a, 28b). The target (28a, 28b) is offset angularly from the detector (29a, 29b) with respect to the axis (X) of the body (30).

A turbomachine compressor including variable-pitch vanes including an aerofoil section connected by a mounting plate of circular outline to a pivot guided in rotation in an orifice in a casing is disclosed. The mounting plate of the vane includes at least one notch for bleeding air from the compressor stream. The notch is intended to communicate with a hole in the casing in order to remove the air bled off when the vanes are in a first position, and to be closed off by this casing when the vanes are in a second position, so that the flow rate of bled air depends on the pitch angle of the vanes.

Test rig combining high-frequency tribological stress and low-cycle fatigue, comprising a first test piece which is fixed to a frame and defines at least one bearing surface, a second test piece which is connected to traction means for loading the second test piece so that it bears against the or each bearing surface of the first test piece, means for heating the test pieces and means for loading the test pieces in a vibratory manner so as to carry out a fretting fatigue and low-cycle and high-cycle fatigue test, one of the test pieces comprising a portion which is in the shape of a turbine engine rotor blade root and which is inserted in a groove, the shape of which groove is substantially complementary to the other test piece so as to reproduce a turbine engine blade-disc attachment.

The goal of the invention is a mixture of liquid fuels for boilers or diesel engines with particular chain length esters and alkanes, and use thereof for reducing particle and nitrogen oxide emissions during operation of the boilers or diesel engines.

A torsional damping device (4) having:a first movable element (13, 14) and a second movable element (15, 16), coaxial and rotationally movable around an axis X;a central hub rotationally coupled to the second element;at least one group of elastic members (25, 26) acting against rotation of the first element and second element with respect to one another;a phasing member (32, 33) constituted by two parts (32, 33), for arranging the elastic members of that group in series so that the elastic members of each group deform in phase with one another; anda pendulum damper (48) rotationally connected to the phasing member, the phasing member being centered on the central hub by means of the pendulum support member.

Drum brake shoe, particularly for a motor vehicle, in which a brake cable (64) has an end terminal (66) for attachment to a lever (50) that acts on the shoe (4), this shoe comprising a rigid web one edge of which is formed with a cut-out (90) providing access to the cable (64) attachment end terminal (66) to make it easier to detach this cable.

The invention relates to a system for exchanging data between at least one sender and one receiver, such as a central server, by means of a data transmission network of Internet type, this system comprising means for encrypting / decrypting the data exchanged. The senders and the receiver comprise generators of encryption / decryption keys, which generators are synchronized to generate new keys for message encryption / decryption with each dispatching of a new message from the sender to the receiver.

A simple, effective and economical method to improved the yield of CMOS devices using contact etching stopper liner, including, single neutral stressed liner, single stressed liner and dual stress liner (DSL), technology is provided. In order to improve the chip yield, the present invention provides a method in which a sputter etching process is employed to smooth / flatten (i.e., thin) the top surface of the contact etch stopper liners. When DSL technology is used, the inventive sputter etching process is used to reduce the complexity caused by DSL boundaries to smooth / flatten top surface of the DSL, which results in significant yield increase. The present invention also provides a semiconductor structure including at least one etched liner.

The invention relates to a sectored distributor (112) for a turbomachine, including two coaxial platforms mutually connected by radial blades, the inner platform (130) being connected to an annular partition (138) for suspending an annular mounting (140) carrying elements (136) made of material subject to abrasion, this mounting sliding circumferentially on the partition and comprising a means engaging with means corresponding to the inner periphery of the partition to ensure radial restraint of the mounting on this partition.

Fan (16), in particular for an aircraft cooling unit, having a wheel (128) comprising a hub (138) and an annular array of blades (140), a shaft assembly (136) for driving the wheel about an axis (A), and fusible means for connecting the hub of the wheel to the shaft assembly, said fusible connecting means comprising a first mounting sleeve through which the shaft assembly extends and which is surrounded by the hub, and fusible safety elements (174) which extend parallel to the axis (A) and are configured to break and to disengage the wheel from the shaft assembly when said wheel rotates and a driving torque of the wheel transmitted by the shaft assembly exceeds a certain threshold, characterised in that the connecting means comprise a second wearing sleeve (143) which is inserted between the first sleeve and the hub and through which the fusible elements extend, the second sleeve being made of a material which is different from that of the first sleeve and subject to wear by friction and / or by heating if the shaft assembly continues to rotate following the aforementioned disengagement.

A clutch release bearing (17), in particular for a motor vehicle, having: a tubular body (30) through which at least one input shaft (11) of a gearbox is intended to pass; at least one actuator having a part, movable in translation along the axis (X) of the body (30), intended for actuation of a clutch diaphragm; a target (28a, 28b) whose position is representative of the position of the movable part of the actuator; and a detector (29a, 29b) capable of detecting the position of the target (28a, 28b). The target (28a, 28b) is offset angularly from the detector (29a, 29b) with respect to the axis (X) of the body (30).

A component (1, 2) for supporting at least one bearing (3) for a turbine engine (10) comprising: two coaxial walls, internal (4) and external (5) walls respectively, defining a gas flow vein (6) between them and interconnected by a row of arms (7); an external ferrule (50) comprising an internal peripheral edge (51) connected to the external wall (5) and an external peripheral edge (52) connected to an external mounting flange (53); an internal ferrule (40) comprising an external peripheral edge (41) connected to the internal wall (4) and an internal peripheral edge (42) comprising an internal mounting flange (43); at least one of the ferrules (4, 5), which at the peripheral edge (41, 51) thereof is connected to the corresponding wall (4, 5), having a general shape which is corrugated about an axis (X-X) of the component (1, 2).

Aircraft turbomachine with mechanical reducer and counter-rotating turbine are described. The turbomachine includes a fan driven in rotation by a fan shaft, a mechanical reducer with epicyclic gear train, a gas generator comprising a counter-rotating turbine, a first turbine shaft of which is coupled to an input shaft of the reducer and to a pin, and a second turbine shaft of which is coupled to the fan shaft. The guidance of the reducer input shaft is provided by a first ball bearing, the guidance of the pin is provided by a second roller bearing, and the guidance of the first shaft is provided by a third roller bearing axially interposed between the first and second bearings.