Abstract: A switching power source device is provided which comprises a drive controller 40 connected between an error amplifier 26 and changeover circuit 37. A second comparator 52 of drive controller 40 compares an output voltage or an equivalent signal thereto from error amplifier 26 with a numerical value from a sweep circuit 57 and produces an output to changeover circuit 37 to stop the on-operation of a switching element 4 and restrict an undesirable rise in output voltage during the light load period when the numerical value exceeds the output voltage or an equivalent signal thereto from error amplifier 26.

Abstract: A method for preparing a modified kaolin clay, includes the steps of providing a kaolin clay material having a starting ratio of silica to alumina; mixing the kaolin clay material with acid so as to form a substantially homogenous paste; calcining the paste so as to provide a calcined acid-treated clay material; mixing the calcined acid-treated clay material in water so as to form a suspension; precipitating aluminum from the suspension so as to produce a reduced aluminum suspension; and obtaining a modified clay material from the reduced aluminum suspension, wherein the modified clay material has a final ratio of silica to alumina which is higher than the starting ratio.

Abstract: Method for coding at least one datum using three digital signals A, B, C delivered on respectively one channel, in which the third signal C is delivered by a combination of the first two signals A, B in order to form m binary triplets, where m<8. The method provides for modifying the third signal C according to the data to be coded in order to generate n binary triplets, where n>1, the n triplets being different from the m triplets. A device for determining the absolute angular position of a turning member is described.

Abstract: A controlled extrication module for the injured composed of a body with several means of immobilization of an injured person and supplied with devices for handling, maneuvering and transporting. The module is composed of a rigid plaque that provides a rear part with a medium zone coinciding with a person's back, a lower zone coinciding with a sacrococcygeal zone, and an upper zone coinciding with neck and head. The upper zone has a rounded edge which coincides with a cranial base and a border enabling attachment to an upper end of a seat. The upper zone also has two cavities for placing cervical collar straps which delimit a central help and semi-rigid fins connected to additional straps which attach at their ends. Both sides of the medium zone have upper and lower projections and an intermediate space supplying a side border. The border is placed on a side edge of the seat. The module also has a harness made up of upper and lower strips.

Abstract: The present invention relates to processes and systems for locating coated cooling holes on parts such as turbine vanes. In a first embodiment of the present invention, a thermal imaging technique is utilized to obtain the locations of the cooling holes on a turbine vane. In a second embodiment of the present invention, a laser scanning technique is utilized to obtain the locations of the cooling holes on a turbine vane.

Abstract: In accordance with the present invention, a process for repairing metal workpieces, such as turbine engine components, is provided. The process comprises the steps of forming a braze paste containing a first nickel base alloy material containing boron and chromium and a second nickel base alloy material containing chromium and cobalt, applying the brazing paste to an area of the metal workpiece containing at least one crack, and subjecting the workpiece and the brazing paste to a brazing cycle by heating the brazing paste and the workpiece, preferably to a temperature in the range of from 2000 to 2200 degrees Fahrenheit. During the brazing cycle, the brazing paste flows into and fills the at least one crack and thus repairs the metal workpiece.

Abstract: A loading apparatus for use in electroplating processes includes a container designed to sealingly receive a plurality of airfoil blades fitted with gaskets. Each fitted airfoil blade is disposed in contact with a plurality of electrical contact assemblies having a spring-like design which ensures an adequate connection is made and complete plating of the airfoil blades occurs.

Abstract: A method for image processing comprising the steps of processing an image comprising a plurality of pixels each having an intensity to produce an image processed image comprising a plurality of pixels, applying a preservation filter to the image to produce at least one preservation value corresponding to at least one of the plurality of pixels of the image, computing a weight coefficient ?, for each of the at least one preservation values, and using each of the at least one weight coefficients to mix the image with the image processed image to produce an output image comprising a plurality of pixels.

Abstract: A semiconductor device is provided which comprises a connecting lead 4 mounted between a MOS-FET 1 and a regulatory IC 2 on a support plate 3. Connecting lead 4 has a thermally radiative and electrically conductive substrate 6 and electrically insulative and thermal transfer-resistive covering 7. Substrate 6 has one end 6a providing one main surface 4a of connecting lead 4 which is mounted and electrically connected on the other main surface 1b of MOS-FET 1. Covering 7 provides the other main surface 4b of connecting lead 4 for supporting regulatory IC 2 at one end 6a of substrate 6.

Abstract: A downhole gas separator includes an external tube having a closed bottom and an open top; and an internal tube positioned eccentrically within the external tube and having an open bottom and a top adapted for connection to a production tube. The internal tube can alternatively be connected to a pump intake. The separator is positioned eccentrically within a casing, and provides for separation of gas from produced fluids before the fluids enter the production tube and/or pump.

Abstract: For a trigger safety device 100 for firearms comprising a trigger 110 which is adapted for rotary reciprocation about a fulcrum 111 and whose free end is protected by a trigger guard 120, accidental firing is prevented in that a safety slide 130 is mounted on the trigger guard 120 for reciprocal displacement between a first end position 122 and a second end position 123 such that said trigger 110 is freely pivotal in a first end position 122 of the safety slide 130 and is blocked in a second end position 123 of the safety slide 130 respectively.

Abstract: A component for use in a gas turbine engine is provided. The component has an airfoil portion with a plurality of internal cooling passages and a non-linear trailing edge. The component further has a non-linear array of teardrop shaped assemblies which form a plurality of injection slots for injecting a coolant fluid into a fluid passing over the airfoil portion. The teardrop shaped assemblies are designed to maximize thermal performance of the component by reducing a relative diffusion angle between the injected coolant flow and the streamline direction of the fluid passing over the airfoil portion.

Abstract: The lid for a rear trunk of a vehicle having a roof foldable into the trunk is connected to the bodywork by device disposed at the front edge and at the rear edge of the lid and whose function is either to lock or to hinge the lid in a manner such that said lid can open either from the front backwards or from the rear forwards, and control device cause the lid to open in either of its opening directions or to be closed. According to the invention, the control device comprise at least one articulated arm and an actuator which is connected to the articulated arm and to the bodywork, and which is adapted to move the articulated arm and the lid.

Abstract: In accordance with the present invention, a process for repairing metal workpieces, such as turbine engine components, is provided. The process comprises the steps of forming a braze paste containing a first nickel base alloy material containing boron and chromium and a second nickel base alloy material containing chromium and cobalt, applying the brazing paste to an area of the metal workpiece containing at least one crack, and subjecting the workpiece and the brazing paste to a brazing cycle by heating the brazing paste and the workpiece, preferably to a temperature in the range of from 2000 to 2200 degrees Fahrenheit. During the brazing cycle, the brazing paste flows into and fills the at least one crack and thus repairs the metal workpiece.

Abstract: A system for cooling a combustion chamber of an engine, such as a rocket engine, is provided. The system has a plurality of coolant tubes or passages surrounding the combustion chamber, a torroidal coolant-collection manifold for receiving coolant from the coolant tubes or passages and for discharging the coolant through a discharge port, and a plurality of turning vanes within the torroidal manifold for reducing pressure loss and improving pressure uniformity associated with the torroidal coolant-collection manifold.

Abstract: A construction method for simple bridges or continuous bridges using prestressed concrete girder (PSC girder) and precast slabs (PSC slabs) where prestress is applied to the lower portion of the center of the girder. bridges of low clearance and long span are constructed by preventing a loss of prestress due to load of the slabs and relieving excessive compression force generated on the upper edge portion of the center of the girder during the construction of the bridge.

Abstract: A bond coat system for silicon based substrates wherein a compliant layer having an elastic modulus of between 30 and 130 GPa is provided between the silicon based substrate and a silicon metal containing oxygen gettering layer.

Abstract: A dispenser has a multi-piece, multi-material, screw, user-engagable element, and reciprocal compliance spring arrangement.

Abstract: A method for manufacturing a turbine engine component comprises the steps of forming a first half of an airfoil portion of the turbine engine component and forming a plurality of microcircuits having at least one passageway on an exposed internal wall of the first half of the airfoil portion. The method further comprises forming a second half of the airfoil portion of said turbine engine component, and forming at least one additional cooling microcircuit having at least one passageway on an exposed internal wall of the second half of the airfoil portion. Thereafter, the first half is placed in an abutting relationship with the second half after the cooling microcircuits have been formed and inspected. The first half and the second half are joined together to form the airfoil portion.