71results about How to "Leakage" patented technology

A turbine ring assembly for a gas turbine, the assembly comprising a complete ring (10) forming a single piece of ceramic matrix composite material (CMC), a metal structure for supporting the CMC ring having metal annular supports (20, 30) between which the CMC ring is placed while allowing differential expansion at least in a radial direction between the CMC ring and the annular supports, means (40-42) for centering the CMC ring, and at least one element for preventing turning of the CMC ring about its axis.

A radar level gauge system for determining a filling level of a product contained in a tank, comprising: a transceiver for generating, transmitting and receiving frequency-modulated electromagnetic signals; a transmitting propagating device electrically connected to the transceiver and arranged to propagate transmitted electromagnetic signals towards a surface of the product contained in the tank; and a receiving propagating device electrically connected to the transceiver and arranged to return echo signals resulting from reflections at impedance transitions encountered by the transmitted electromagnetic signals, including a surface echo signal resulting from reflection at the surface, back to the transceiver. A signal isolation between the transmitting propagating device and the receiving propagating device is at least 30 dB, and the transceiver comprises: a signal generator for generating a frequency-modulated signal having a predetermined center frequency; a transmitter branch connecting an output of the signal generator with the transmitting propagating device via a first frequency converter for converting the frequency of the frequency-modulated signal to provide the transmitted electromagnetic signal; a receiver branch connected to the receiving propagating device for receiving the surface echo signal; and a mixer having a first input connected to the signal generator via a second frequency converter for converting the frequency of the frequency-modulated signal and a second input connected to the receiver branch, for forming an intermediate frequency signal indicative of a phase difference between the transmitted electromagnetic signal and the surface echo signal. The radar level gauge system further comprising processing circuitry connected to the transceiver for determining the filling level based on the intermediate frequency signal.

A tip turbine engine comprises a fan-turbine rotor assembly that includes one or more turbine ring rotors. Each turbine ring is assembled from a multitude of turbine blade clusters. Assembly of a multitude of turbine blade clusters to a diffuser includes axial installation and radial rotation. The clusters are axially installed, then rotated toward a radial stop in a direction which will maintain each cluster against the radial stop during operation of the fan-turbine rotor assembly. A multitude of turbine rotor ring stages may also be locked together to future increase the rigidity of the turbine

Disclosed is a facing-targets-type sputtering apparatus including a sputtering unit including a pair of facing targets which are disposed a predetermined distance away from each other, and permanent magnets serving as magnetic-field generation means which are disposed around each of the facing targets, the permanent magnets being provided so as to generate a facing-mode magnetic field and a magnetron-mode magnetic field, the facing-mode magnetic field extending in the direction perpendicular to the facing targets in such a manner as to surround a confinement space provided between the targets, and the magnetron-mode magnetic field extending from the vicinity of a peripheral edge portion of each of the targets to a center portion thereof, thereby confining plasma within the confinement space by means of these magnetic fields for forming a thin film on a substrate disposed beside the confinement space, which apparatus further includes magnetic-field regulation means for regulating the magnetron-mode magnetic field. The magnetic-field regulation means is formed of, for example, a permanent magnet, and is provided on the back side of each of the targets.

A method of manufacturing a semiconductor device having an isolation region, a trench formed on a semiconductor substrate and an insulating film buried within the trench; includes: forming a gate electrode in an active region adjacent to the isolation region; applying an ion implantation onto the substrate to form a first dopant diffusion region; forming a first and a second insulating film, on the entire surface of the substrate; performing an etch back, to form a first sidewall of the second insulating film on a lateral face of the gate electrode; etching the first insulating film to form a second sidewall of the first insulating film on the lateral face of; making another ion implantation to form a second dopant diffusion region; forming an interlayer insulating film; and forming a contact hole to reach the second dopant diffusion region.

A hose repair kit includes a retaining sleeve having a first opening to receive an end of a hose. There is a swivel coupling inserted into a second end of the hose retaining sleeve to engage with the hose. The swivel coupling includes a first annular member with an annular barb at one end and a socket to receive a key at a second end. There is an annular retaining ring groove with a retaining ring therein. A second annular member receives, within an internal bore having an annular recess, the first annular member and the retaining ring engages the annular recess to secure the first annular member to the second annular member. The surface of the bore is frusto-conically shaped allowing the retaining ring to be compressed as it travels into the bore until it reaches the annular recess and expands into and is seated in the annular recess.

A single-die injection pump for high-speed internal combustion engines which, because of its compact design and good volumetric efficiency, in conjunction with a high oscillation frequency of the piston, has a pumping quantity comparable to a multiple-die injection pump, without causing excessively high peak torque values in the drive of the single-die injection pump.

The invention discloses a water dispenser and relates to the technical field of water dispensers. The water dispenser comprises a dispenser body, a tabletop arranged on the dispenser body, a dispenserdoor arranged on the front side of the dispenser body, rollers arranged on the lower side of the dispenser body, a water pump and a controller, the water pump and the controller are arranged in the dispenser body, and a water faucet, a heat-insulating disc and a water boiling coupler are arranged on the tabletop; a water barrel containing cavity is arranged in the dispenser body, a sliding platform capable of sliding back and forth is arranged at the bottom of the inner side of the water barrel containing cavity, a plurality of connection rod guide holes penetrating to the bottom of the dispenser body are arranged at the bottom of the water barrel containing cavity positioned on the lower side of the sliding platform, and a stopping mechanism is arranged in each connection rod guide hole.The water dispenser can be moved freely through the rollers at the bottom when not in use and cannot be moved freely when in use.

A fan-turbine rotor assembly (24) includes one or more turbine ring rotors (32). Each turbine ring rotor is cast as a single integral annular ring. By forming the turbine as one or more rings, leakage between adjacent blade platforms is minimized which increases engine efficiency. Assembly of the turbine ring rotors to the diffuser ring (114) includes axial installation and radial locking of each turbine ring rotor.

A method of fabricating photodiode includes: a substrate comprising a well is provided, next, a first doping region is formed in the well, following that a conductive layer is formed on the surface of the first doping region by an epitaxial growth process, meanwhile, the conductive layer is in-situ doped to form a second doping region in the conductive layer. The method for fabricating the photodiode in the present invention can prevent the lattice structure from being damaged during the high dozes implantation process. Therefore, the dark current can be reduced and the sensitivity of the photodiode will be increased.

Disclosed is an intense pulse light device, in which plural divided light filters coated with individually different materials are rotatably and uniformly aligned around a reflection mirror in order to selectively filter lights according to wavelengths thereof, so that it is not necessary to exchange a handle body or filters, thereby improving convenience of use for the IPL device, and in which the loose contact of power lines and signal lines, leakage of cooling water, and penetration of impurities can be prevented, thereby improving reliability of IPL device. A semicircular reflection mirror aligned around a flash lamp installed in a body and a light filter section is aligned around the reflection mirror while forming a predetermined space therebetween. The light filter section is uniformly divided into two or four light filters so as to increase selectivity for the light radiated from flash lamp. The light filter section is fabricated by uniformly dividing a circular pipe made from glass, quartz or sapphire into plural pipe sections, coating the plural pipe sections with individually different materials in such a manner that only light having a predetermined wavelength passes therethrough, and bonding the plural pipe sections to each other.

A dye-sensitized solar cell having a transparent conductive film at the inner surface of a tube-shaped transparent glass vessel, a semiconductor film photoelectrode to which a dye has been adsorbed formed on this transparent conductive film, and a counter electrode provided in the tube-shaped vessel spaced from this photoelectrode and an electrolytic solution enclosed in the tube-shaped vessel. Both ends of the tube-shaped vessel are tightly sealed by formation of sealing portions melting and compress the glass of the vessel; the transparent conductive film extends into the sealing portion at one end of the tube and an external lead is connected electrically to said transparent conductive film and is led out from the sealing portion to the outside of the tube-shaped vessel; and a lead connected electrically to the counter electrode is led out from the sealing portion at the other end to the outside of the tube-shaped vessel.