Patent application number | Description | Published |
20090092500 | HOLLOW TURBOMACHINE BLADE - A hollow turbomachine blade including an internal cooling passage, an open cavity situated at the free end of the blade and defined by an end wall and the side wall of at least one rim which extends between the leading edge and the trailing edge of the blade, and at least one cooling channel connecting said internal cooling passage to said open cavity, said cooling channel opening out at the base of the rim and the wall of the rim forming an angle relative to said end wall that is obtuse, being strictly greater than 90°. An indentation may be formed in the wall of the rim at the outlet from said cooling channel. Said blade advantageously does not include a pressure rim. | 04-09-2009 |
20110129336 | ASSEMBLY INCLUDING A TURBINE DISK FOR A GAS TURBINE ENGINE AND A BEARING-SUPPORTING JOURNAL, AND COOLING CIRCUIT FOR THE TURBINE DISK OF SUCH AN ASSEMBLY - The invention relates to an assembly including a turbine disk ( | 06-02-2011 |
20120027572 | TURBINE RING ASSEMBLY - A turbine ring assembly includes a ring support structure and a plurality of ring sectors, each including a single piece of ceramic matrix composite material. Each ring sector includes a first portion forming an annular base with an inside face defining an inside face of the turbine ring and an outside face from which there extends two tab-forming portions including ends that are engaged in housings in the ring support structure. The ring sectors present a section that is substantially π-shaped and the ends of the tabs are held without radial clearance by the ring support structure. The tabs can have a free length in meridian section that is not less than three times their mean width. | 02-02-2012 |
20130177414 | METHOD AND SYSTEM FOR CONTROLLING THE CLEARANCE AT THE BLADES TIPS OF A TURBINE ROTOR - A system and method for controlling clearance between tips of moving blades of an aeroplane gas-turbine engine and a turbine shroud of an outer casing surrounding the blades. The method includes controlling, according to an operating speed of the engine, a valve positioned in an air duct opening at a stage of the compressor of the engine and leading into a control housing positioned around the outer surface of the turbine shroud and supplied with air coming only from the compressor stage. The valve is opened to cool the turbine shroud during a high-speed phase corresponding to takeoff and climb phases of an aeroplane propelled by the engine and during a nominal-speed phase following the high-speed phase and corresponding to a cruise phase of the aeroplane. | 07-11-2013 |
20130323016 | METHOD FOR CONTROLLING THE CLEARANCE AT THE TIPS OF BLADES OF A TURBINE ROTOR - A method controlling a clearance between tips of blades of a turbine rotor of a gas turbine aircraft engine and a ring-shaped turbine shroud of a housing surrounding the blades, the method including: controlling flow and/or temperature of air directed toward the housing according to an estimate of the clearance, the estimate of the clearance is determined upon start-up of the aircraft engine, according to a temperature measured by a temperature sensor including a sensitive element positioned in a free space of the aircraft engine. | 12-05-2013 |
20140003924 | TURBINE CASING COMPRISING RING SECTOR ATTACHMENT MEANS | 01-02-2014 |
Patent application number | Description | Published |
20110023995 | POWDER DISPENSER MODULES AND POWDER DISPENSING METHODS - Powder dispensing and sensing apparatus and methods are provided. The powder dispensing and sensing apparatus includes a tray support structure to receive a cartridge tray holding cartridges, a powder dispenser assembly including powder dispenser modules to dispense powder into respective cartridges of a batch of cartridges in the cartridge tray, a powder transport system to deliver powder to the powder dispenser modules, a sensor module including sensor cells to sense respective fill states, such as the weights, of each of the cartridges in the batch of cartridges, and a control system to control the powder dispenser modules in response to the respective sensed fill states of each of the cartridges of the batch of cartridges. | 02-03-2011 |
20110079318 | POWDER TRANSPORT SYSTEMS AND METHODS - Powder dispensing and sensing apparatus and methods are provided. The powder dispensing and sensing apparatus includes a tray support structure to receive a cartridge tray holding cartridges, a powder dispenser assembly including powder dispenser modules to dispense powder into respective cartridges of a batch of cartridges in the cartridge tray, a powder transport system to deliver powder to the powder dispenser modules, a sensor module including sensor cells to sense respective fill states, such as the weights, of each of the cartridges in the batch of cartridges, and a control system to control the powder dispenser modules in response to the respective sensed fill states of each of the cartridges of the batch of cartridges. | 04-07-2011 |
20110197990 | POWDER DISPENSING AND SENSING APPARATUS AND METHODS - Powder dispensing and sensing apparatus and methods are provided. The powder dispensing and sensing apparatus includes a tray support structure to receive a cartridge tray holding cartridges, a powder dispenser assembly including powder dispenser modules to dispense powder into respective cartridges of a batch of cartridges in the cartridge tray, a powder transport system to deliver powder to the powder dispenser modules, a sensor module including sensor cells to sense respective fill states, such as the weights, of each of the cartridges in the batch of cartridges, and a control system to control the powder dispenser modules in response to the respective sensed fill states of each of the cartridges of the batch of cartridges. | 08-18-2011 |
20120255645 | POWDER DISPENSING AND SENSING APPARATUS AND METHODS - Powder dispensing and sensing apparatus and methods are provided. The powder dispensing and sensing apparatus includes a tray support structure to receive a cartridge tray holding cartridges, a powder dispenser assembly including powder dispenser modules to dispense powder into respective cartridges of a batch of cartridges in the cartridge tray, a powder transport system to deliver powder to the powder dispenser modules, a sensor module including sensor cells to sense respective fill states, such as the weights, of each of the cartridges in the batch of cartridges, and a control system to control the powder dispenser modules in response to the respective sensed fill states of each of the cartridges of the batch of cartridges. | 10-11-2012 |
20140318875 | POWDER DISPENSING AND SENSING APPARATUS AND METHODS - Powder dispensing and sensing apparatus and methods are provided. The powder dispensing and sensing apparatus includes a tray support structure to receive a cartridge tray holding cartridges, a powder dispenser assembly including powder dispenser modules to dispense powder into respective cartridges of a batch of cartridges in the cartridge tray, a powder transport system to deliver powder to the powder dispenser modules, a sensor module including sensor cells to sense respective fill states, such as the weights, of each of the cartridges in the batch of cartridges, and a control system to control the powder dispenser modules in response to the respective sensed fill states of each of the cartridges of the batch of cartridges. | 10-30-2014 |
Patent application number | Description | Published |
20110048846 | Noise attenuator for a hydraulic fluid pipe, item comprising this attenuator, pipe comprising this item and method of assembly - This noise attenuator for a hydraulic fluid pipe is made of a material porous to the fluid intended to flow through the noise attenuator. More specifically, the material is a synthetic material. As a preference, the synthetic material is porous polytetrafluoroethylene. | 03-03-2011 |
20140017367 | METHOD FOR PRODUCING SOLID MILKS - The present invention relates to a method for producing solid milks and to the products obtained with the aid of this method. The method for producing solid milks according to the invention comprises the following steps:—compressing milk powder at a compression speed between 110 and 200 mm/s to obtain a solid unit,—moistening the solid unit by spraying an amount of water between 0.1 and 8 mg/cm | 01-16-2014 |
20140017368 | SOLID MILKS AND METHOD FOR PRODUCING SOLID MILKS - The invention relates to a method for producing solid milks and to the products obtained with the aid of this method. The method comprises a compression step, then a moistening step, then a drying step. The compression step is carried out with a compaction ratio comprised between 50% and 80%. In the moistening step, water is sprayed on the outside surface of the said compressed and solid milk unit with an amount comprised between 0. mg and 8 mg per cm | 01-16-2014 |
20140134309 | METHOD FOR MANUFACTURING SOLUBLE COFFEE TABLETS - The invention relates to a method for manufacturing a soluble coffee tablet comprising the following successive steps: a. Taking a quantity of a coffee composition comprising coffee, wherein the coffee consists of soluble coffee particles; b. Compaction of the coffee composition to form a compacted coffee product of three-dimensional form; c. Moistening of said compacted coffee product to moisten the exterior surface of the compacted product; d. Drying of the moistened compacted product to form the soluble coffee tablet. Such a method makes it possible to form a soluble coffee tablet having an internal part and an external part entirely surrounding the internal part, with the external part having a greater density than the density of the internal part. The internal part is a porous core promoting the dissolution of the tablet and the external part forms a thick hardened crust with a density greater than the density of the core, thus increasing the mechanical resistance of the tablet. | 05-15-2014 |
Patent application number | Description | Published |
20100304119 | PARTICLE-TOUGHENED FIBER-REINFORCED POLYMER COMPOSITES - Particle toughened, fiber-reinforced composites include a fiber region and an interlayer region between the fibers. The fiber region includes a plurality of fibers at least partially within a first polymer composition including a first base polymer formulation and a first plurality of toughening particles. The interlayer region includes a second polymer composition including a second base polymer formulation and at least one of the first plurality of toughening particles and a second plurality of toughening particles. Examples of first and second pluralities of toughening particles, respectively, may include core shell rubbers and polyimides. Increasing concentration of the first plurality of toughening particles may improve the composite toughness while preserving thermal properties of the composite, such as weight loss after extended duration exposure to elevated temperature. It is further discovered that the relative placement of the toughening particles influences composite mechanical properties, such as compression after impact (CAI) strength. | 12-02-2010 |
20100305274 | PARTICLE-TOUGHENED POLYMER COMPOSITIONS - Particle-toughened polymer compositions include a base polymer formulation and a plurality of toughening particles. In certain embodiments, the base polymer formulation includes bismaleimides or other polymer resins capable of high temperature service. A first plurality of toughening particles may include core shell rubbers. A second plurality of toughening particles may be selected from a variety of polymer compositions, including polyimides, polyether ketone (PEK), polyether ether ketone (PEEK), polyether ketone ketone (PEKK), polyether imide, polyether sulfones, and polyphenylene oxide. It is found that increasing concentration of the core shell rubbers may improve the toughness of the composition while preserving thermal properties of the composition, such as glass transition temperature. | 12-02-2010 |
20150174872 | TOUGHENED COMPOSITE MATERIALS AND METHODS OF MANUFACTURING THEREOF - Disclosed herein are toughened composite materials, and methods for manufacturing thereof. At least one interleaf toughing particle and at least one polymer veil are used to synergistically increase the toughness of a fiber/polymer composite. The at least one interleaf toughening particle and at least one polymer veil can be located in the interlaminar sections of the composite material. | 06-25-2015 |
Patent application number | Description | Published |
20090171332 | MEDICAL DEVICE WITH ORIENTABLE TIP FOR ROBOTICALLY DIRECTED LASER CUTTING AND BIOMATERIAL APPLICATION - A medical device used in a medical robotic system has a conduit and an orientable tip. An optical fiber coupled to a laser source and/or a catheter coupled to one or more biomaterial sources extends through the conduit and tip so that the tip of the medical device may be robotically directed towards a target tissue for laser and/or biomaterial application as part of a medical procedure performed at a surgical site within a patient. A protective sheath covers the fiber as it extends through the conduit and tip. A first coupler adjustably secures at least the sheath to the medical device and a second coupler adjustably secures the fiber to at least the sheath. A similar dual coupler mechanism may be used to secure the sheathed catheter to the medical device. | 07-02-2009 |
20140052151 | PHANTOM DEGREES OF FREEDOM FOR MANIPULATING THE MOVEMENT OF SURGICAL SYSTEMS - Methods, apparatus, and systems for performing minimally invasive surgery through an aperture of a patient. In accordance with a method, parameters are received from an input device associated with a surgeon, the parameters indicating a desired state of an end effector of a surgical instrument oriented through the aperture. The surgical instrument is included in a mechanical assembly having a first set of joints. Instructions are then computed for controlling the mechanical assembly using the received parameters by computing instructions for controlling a second set joints, the second set of joints including the first set of joints and an additional joint, the additional joint being absent from the mechanical assembly. The mechanical assembly is then driven so as to move the end effector toward the desired state based on the computed instructions. | 02-20-2014 |
20140052152 | PHANTOM DEGREES OF FREEDOM IN JOINT ESTIMATION AND CONTROL - Methods, apparatus, and systems for operating a surgical system. In accordance with a method, a position of a surgical instrument is measured, the surgical instrument being included in a mechanical assembly having a plurality of joints and a first number of degrees of freedom, the position of the surgical instrument being measured for each of a second number of degrees of freedom of the surgical instrument. The method further includes estimating a position of each of the joints, where estimating the position of each joint includes applying the position measurements to at least one kinematic model of the mechanical assembly, the kinematic model having a third number of degrees of freedom greater than the first number of degrees of freedom. The method further includes controlling the mechanical assembly based on the estimated position of the joints. | 02-20-2014 |
20140052298 | PHANTOM DEGREES OF FREEDOM FOR MANIPULATING THE MOVEMENT OF MECHANICAL BODIES - Methods, apparatus, and systems for controlling the movement of a mechanical body. In accordance with a method, desired movement information is received that identifies a desired motion of a mechanical body, the mechanical body having a first number of degrees of freedom. A plurality of instructions are then generated by applying the received desired movement information to a kinematic model, the kinematic model having a second number of degrees of freedom greater than the first number of degrees of freedom, each of the instructions being configured to control a corresponding one of the second number of degrees of freedom. A subset of the plurality of instructions are then transmitted for use in controlling the first number of degrees of freedom of the mechanical body. | 02-20-2014 |
Patent application number | Description | Published |
20140309655 | DEVICE FOR REMOVING KIDNEY STONES - A system for removing a kidney stone from a ureter may include: an elongate, flexible, outer shaft having a distal end configured to be advanced into the ureter and a proximal end; an elongate, flexible, inner shaft extending through at least part of the outer shaft; an expandable stone retention member extending through at least part of the inner shaft and moveable along the longitudinal axis relative to the inner shaft; an elongate, flexible camera positioned coaxially within the retention member shaft, such that a distal end of the camera is located at or near a distal end of the inner shaft; and a handle coupled with the proximal end of the outer shaft, a proximal end of the inner shaft, and a proximal end of the retention member shaft. | 10-16-2014 |
20140309656 | METHOD FOR REMOVING KIDNEY STONES - A method for removing a kidney stone from a ureter may involve: advancing a distal end of an elongate, flexible kidney stone removal device into the ureter to a location near the kidney stone; advancing an expandable stone retention member out of an inner shaft of the device; visualizing at least part of the stone retention member with a camera disposed coaxially within the stone retention member; trapping the kidney stone in the stone retention member; surrounding at least a portion of the stone retention member and the trapped kidney stone with a wall protection member on the distal end of the kidney stone removal device; and removing the kidney stone removal device from the ureter while the stone retention member and the kidney stone are at least partially surrounded by the wall protection member. | 10-16-2014 |
20150133948 | METHOD FOR REMOVING KIDNEY STONES - A method for removing a kidney stone from a ureter may involve: advancing a distal end of an elongate, flexible kidney stone removal device into the ureter to a location near the kidney stone; advancing an expandable stone retention member out of an inner shaft of the device; visualizing at least part of the stone retention member with a camera disposed coaxially within the stone retention member; trapping the kidney stone in the stone retention member; surrounding at least a portion of the stone retention member and the trapped kidney stone with a wall protection member on the distal end of the kidney stone removal device; and removing the kidney stone removal device from the ureter while the stone retention member and the kidney stone are at least partially surrounded by the wall protection member. | 05-14-2015 |
20150305602 | INTEGRATED MEDICAL IMAGING SYSTEM - A fiber optic camera system may include a fiber optic camera and a video processing console. The camera may include an elongate sheath having a proximal end and a distal end, and the sheath may contain one or more illumination optical fibers and an imaging bundle having at least one fiber optic clad and multiple fiber optic cores. The camera may further include a camera body fixedly attached to the proximal end of the elongate sheath, and the camera body may contain an imaging sensor optically coupled to a proximal end of the imaging bundle and configured to generate image data and an illumination source optically coupled to proximal ends of the illumination fibers. In some embodiments, the camera body has no connection member for connecting a secondary illumination source to the camera. | 10-29-2015 |
20150305603 | INTEGRATED MEDICAL IMAGING SYSTEM - A fiber optic camera system may include a fiber optic camera and a video processing console. The camera may include an elongate sheath having a proximal end and a distal end, and the sheath may contain one or more illumination optical fibers and an imaging bundle having at least one fiber optic clad and multiple fiber optic cores. The camera may further include a camera body fixedly attached to the proximal end of the elongate sheath, and the camera body may contain an imaging sensor optically coupled to a proximal end of the imaging bundle and configured to generate image data and an illumination source optically coupled to proximal ends of the illumination fibers. In some embodiments, the camera body has no connection member for connecting a secondary illumination source to the camera. | 10-29-2015 |
20160106447 | DEVICE FOR REMOVING KIDNEY STONES - A system for removing a kidney stone from a ureter may include: an elongate, flexible, outer shaft having a distal end configured to be advanced into the ureter and a proximal end; an elongate, flexible, inner shaft extending through at least part of the outer shaft; an expandable stone retention member extending through at least part of the inner shaft and moveable along the longitudinal axis relative to the inner shaft; an elongate, flexible camera positioned coaxially within the retention member shaft, such that a distal end of the camera is located at or near a distal end of the inner shaft; and a handle coupled with the proximal end of the outer shaft, a proximal end of the inner shaft, and a proximal end of the retention member shaft. | 04-21-2016 |