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| Number | Title | Issue Date |
| 8181523 | Ultrasound inspection methods for noisy cast materials and related probes Ultrasound inspection methods for noisy materials and related probes are disclosed to inspect a defect in a cast material that use polycarbonate delay layers having a first surface configured to be disposed on a surface of the cast material; and an acoustic crystal ... | 05/22/2012 |
| 7784181 | Processing method of a semi-processed product for the production of a rotor equipped with a series of blades integral therewith A processing method of a semi-processed product for obtaining a rotor equipped with a series of blades integral therewith by using a rotating tool such as a cutter, integral or with inserts. The processing method includes a) forming a hole into the semi-processed pr... | 08/31/2010 |
| 7771163 | Disk wheel of a rotor of a turbomachine Disk wheel (10) of a rotor of a turbomachine of the type equipped with a series of blades (12) integral with a central annular portion (14) which is fitted on a shaft (20) of the turbomachine, the disk wheel comprises at least a first ins... | 08/10/2010 |
| 7766624 | Rotor blade for a ninth phase of a compressor The invention relates to a blade of a rotor of a ninth phase of a compressor, which can be defined by coordinates of a discreet combination of points, in a Cartesian reference system (X, Y, Z), wherein the axis (Z) is a radial axis intersecting the central axis of t... | 08/03/2010 |
| 7730726 | Method and apparatus for controlling the combustion in a gas turbine A method and apparatus are described for controlling the combustion in a gas turbine. The method includes measuring, with one or two calorimeters, the temperature, calorific value and relative density of a gaseous fuel in order to determine the Wobbe index, comparin... | 06/08/2010 |
| 7690891 | Resting element for a compressor or turbine Resting element (10) for a compressor or turbine comprising a first cantilever resting portion (20) and a second fixing portion (30) to a case of the compressor or turbine by means of a series of screws (60), the second fixing portion ( | 04/06/2010 |
| 7559739 | Movement system for the inspection of a turbine Movement system (10) for the inspection of a turbine (40) of the type equipped with a shaft (42) having a series of blades, which is coupled with a shaft (72) of a compressor (70) by means of a loading joint (80), the system... | 07/14/2009 |
| 7556866 | Vapour turbine Vapor turbine operating with geothermal vapors containing corrosive agents such as chlorides and/or sulfides in particular. The turbine comprises a series of sealing laminas made of a nickel alloy containing a quantity of nickel ranging from 54% to 58% by weight to ... | 07/07/2009 |
| 7553555 | Vapour turbine Vapor turbine operating with geothermal vapors containing corrosive agents such as chlorides and/or sulfides in particular. The turbine comprises a series of stator blades made of a nickel alloy containing a quantity of nickel ranging from 54% to 58% by weight to av... | 06/30/2009 |
| 7530794 | Rotor blade for a first phase of a gas turbine Blade (1) of a rotor for a first phase of a gas turbine having a profile identified by means of a series of closed intersection curves (20) between the profile itself and planes (X,Y) lying at distances (Z) from the central axis, each closed curve (... | 05/12/2009 |
| 7498087 | Vapour turbine Vapor turbine operating with geothermal vapors containing corrosive agents such as chlorides and/or sulfides in particular. The turbine comprises a series of rotor blades made of a nickel alloy containing a quantity of nickel ranging from 55% to 59% by weight to avo... | 03/03/2009 |
| 7390171 | High efficiency rotor for the second phase of a gas turbine A rotor for the second phase of a low-pressure turbine has a series of blades each defined by coordinates of a discreet combination of points, in a Cartesian reference system (X, Y,Z), wherein the axis (Z) is a radial axis intersecting the central axis of the turbin... | 06/24/2008 |
| 7390165 | High efficiency stator for the second phase of a gas turbine A stator for the second phase of a low-pressure turbine has a series of blades each defined by coordinates of a discreet combination of points, in a Cartesian reference system (X, Y, Z), wherein the axis (Z) is a radial axis intersecting the central axis of the turb... | 06/24/2008 |
| 7387495 | High efficiency rotor for the first phase of a gas turbine A rotor for the first phase of a low-pressure turbine has a series of blades each defined by coordinates of a discreet combination of points, in a Cartesian reference system (X, Y,Z), wherein the axis (Z) is a radial axis intersecting the central axis of the turbine... | 06/17/2008 |
| 7387490 | High efficiency stator for the first phase of a gas turbine A stator for the first phase of a low-pressure turbine has a series of blades each defined by coordinates of a discreet combination of points, in a Cartesian reference system (X, Y, Z) wherein the axis (Z) is a radial axis intersecting the central axis of the turbin... | 06/17/2008 |
| 6880339 | Combination of a premixing chamber and a combustion chamber, with low emission of pollutants, for gas turbines running on liquid and/or gas fuel An improved combination (110) of a premixing chamber (112) and a combustion chamber (111), with low emission of pollutants, for gas turbines running on liquid and/or gas fuel, in which the combustion chamber (111) has a truncated conical ... | 04/19/2005 |
| 6343463 | Support and locking device for nozzles of a high pressure stage of a gas turbines A support and locking device for nozzles of a high-pressure stage in gas turbines comprises a plurality of groups of stator vanes, which are associated with a plurality of outer sealing plates, for connection of the groups to the outer liner of the combus... | 02/05/2002 |
| 6065492 | Gas mass flow metering valve A gas flow control valve which enables mass flow to be measured using a flow straightener in a valve entry duct, a tube for lengthening the entry duct into the valve, a valve element exit port with suitably radiused edges and a flow stabilizer in the valv... | 05/23/2000 |
| 5927321 | System for measuring and controlling gas mass flow A system for measuring and controlling the mass flow of a gas of variable characteristics within a pipe by a metering valve, wherein a Coriolis mass flow meter mounted in the pipe is connected to the valve processor unit to calculate a correction factor f... | 07/27/1999 |
| 5738505 | Perfected twin-screw pump, particularly suitable for the pumping of biphase fluids in a submerged environment Twin-screw pump, wherein the four conical screws are vertically arranged and are fed with biphase fluid at the two ends, independently of each other, by means of a stream divider and wherein the two screw shafts each have a central axial drilling which co... | 04/14/1998 |
| 5740058 | Automatic positioning system An automatic positioning system in which a divider element divides the space between the initial position and the required final position into a predetermined number of well defined measurement positions at predetermined but not necessarily constant inter... | 04/14/1998 |
| 5707042 | Device for shifting the seats of a ball valve An improved device for shifting the seats of a top entry ball valve, consisting of two identical portions, one for each valve seat, which are permanently interposed between the valve body and the relative seats; each portion comprises a stop ring made rig... | 01/13/1998 |
| 5666997 | Quick coupling system for the heald frames of a loom An apparatus for rapidly and simultaneously, coupling and uncoupling loom heald frames, of varying length, to and from their respective drive bell cranks. Each heald frame attaches to more than one head of a flexible tie-rod, which in turn, extends down t... | 09/16/1997 |
| 5628346 | Device for measuring the warp yarn tension in a loom by use of a deviation bar A device for measuring the warp yarn tension of a woven fabric in a loom, which includes a fixed deviation bar which extends across the entire loom width and cooperates with a device measuring warp yarn tension, the fixed deviation bar having a central or... | 05/13/1997 |
| 5615714 | Guide system for the gripper insertion tape in a shuttleless loom A guide system for a gripper insertion tape in a shuttleless loom which includes a sley with a reed, through the dents of which pass upper and lower warp yarns forming a shed, at least one insertion tape moving with reciprocating motion between the upper ... | 04/01/1997 |
| 5575314 | Weft cutter for air loom which is controllable as a function of weaving conditions A weft cutter for an air loom in which a movable blade is hinged to the ram of a pneumatic cylinder which is pneumatically fed through a solenoid valve provided at its inlet with a pressure regulator. The ram is kept in a rest position by a return spring ... | 11/19/1996 |
| 5558133 | Fill end catching/clamping system in the drive clamp of a loom A fill end catching/clamping system in a fill drive clamp body provided at one end with a hook. A wedge is designed to axially move inside the hook. A wall of the wedge cooperates with a wall of said hook to form a "V"-shaped hollow in which the fill end ... | 09/24/1996 |
| 5538036 | Control system for a pneumatic valve actuator A control system for a pneumatic valve actuator comprising three operating blocks memorizing respectively the values of the spring pressure pm, the counter-thrust pressure pc and the friction pressure pa for the various va... | 07/23/1996 |
| 5526850 | Main nozzle accelerator chamber for an air-jet loom A main nozzle for an air jet loom has an outer casing and is provided with a compressed air introduction duct and a mixing chamber. A mixer tube provided with an annular distributor ring is inserted into the outer casing to form with the outer casing and ... | 06/18/1996 |
| 5518041 | Airguide channel geometry for air jet loom A reed for an air-jet loom which includes an entry flare allowing several main nozzles to be used. The reed has an inclination of the lower surface of an air guide channel, and an advantageous spacing between the binding spirals which support upper and lo... | 05/21/1996 |
| 5488977 | Electromagnet-striker bar system for a rotary dobby drive device An electromagnet-striker bar system for the control device of a rotary dobby includes an amagnetic container having an extremely rigid box structure into which the iron cores of the electromagnets are equidistantly inserted and irreversibly locked. Amagne... | 02/06/1996 |
| 5203674 | Compact diffuser, particularly suitable for high-power gas turbines A compact diffuser for high-power gas turbines, comprising a first diffusion section of substantially axial path defined by two conical coaxial walls, followed by a double curved diffuser with three walls, of which the intermediate wall is cantilever-supp... | 04/20/1993 |
| 4695202 | System of submarine linking between the legs of a platform and the relating foundation piles System of submarine linking between the anchoring cylinders of the legs of a platform and the relating foundation piles in which the anchoring cylinders are constituted each by two coaxial cylinders defining between each other a radially expansible annula... | 09/22/1987 |
| 4648626 | Telescopic joint for repairing underwater pipelines laid at a great depth A telescopic joint for repairing underwater pipelines laid at a great depth in which an annular sheath of steel having a yield point of not more than one half that of an outer sleeve of the joint is welded onto an inner cylinder, to create with the inner ... | 03/10/1987 |
| 4645083 | Overhead travelling crane for power gas turbine bays An overhead travelling crane incorporated into a power gas turbine bay, consisting of a first main load-bearing trolley of length equal to the bay width, which is guided at its ends over the entire length of the bay by two runways fixed to the top of said... | 02/24/1987 |
| 4632634 | System for fixing the stator nozzles to a power turbine casing A system for fixing nozzles to a power turbine stator casing, in which each nozzle sector is locked to the respective shroud by means of a key which has its two diverging vertical flanges inserted into a radial dovetail guide in the front surface of the s... | 12/30/1986 |
| 4600039 | Process and device for the formation of a tucked selvedge, especially suitable for terry looms Process for the formation of a tucked selvedge in a terry cloth piece, as obtained with the procedure using an articulated reed having two beating-up positions, using a selvedge-forming device which comprises a movable grasping and severing member as well... | 07/15/1986 |
| 4593917 | Seal system, particularly suitable for the ball joint of installations laid at great depths A seal system for a spherical joint in which the metal seal ring is sandwiched coaxially between two wedge-shaped metal compression rings which are inserted into corresponding cavities in the front surfaces of the seal ring and are pressed against a metal... | 06/10/1986 |
| 4593448 | Method for tightly jointing a sleeve to a submarine pipe laid at great depth Method for tightly jointing a sleeve to a submarine pipe laid on a very deep sea-bottom, characterized by the preliminary stages of providing a series of grooves on the inside surface of the sleeve, and of filling each one of said grooves with two half-ri... | 06/10/1986 |
| 4546953 | Ball valve An improved ball valve is disclosed, which is particularly adapted for use with pipelines of large diameter, possibly of the kind intended to convey toxic or dangerous fluids and for which a virtually perfect seal is required, said valve having a control ... | 10/15/1985 |
