Abstract: The invention relates to an electrode (16) for a welding torch (17) or a cutting torch, comprising a main body (1) and a tip (3) arranged on an end surface (2) of the main body (1). The main body (1) is designed as a hollow body that is open on at least one side. On a side opposite one of the tips (3), the main body has an opening (4) for introducing a cooling medium into an interior space (7) of the main body (1), and at least two regions (5, 6) in the interior space (7), the two inner diameters of which are different from one another, and a transition region (8) located between the two regions (5, 6) having an inner diameter that decreases in the direction of the tip (3).

Abstract: Disclosed is a lubricant supply system for a plurality of bearing dampers in a plurality of engine bearing compartments of a gas turbine engine, including a lubricant supply conduit, a first lubricant delivery conduit fluidly coupled to the supply conduit, the first delivery conduit including one or more lubricant delivery flow paths and delivering lubrication to engine components, a second lubricant delivery conduit fluidly coupled to the supply conduit, the second delivery conduit delivering lubricant to one or more of the plurality of bearing dampers, and an active oil flow management valve, selectively restricting lubricant flow in the first delivery conduit, increasing pressure in the second delivery conduit, based on an engine shaft rotational speed.

Abstract: The invention relates to an electrode (16) for a welding torch (17) or a cutting torch, comprising a main body (1) and a tip (3) arranged on an end surface (2) of the main body (1). The main body (1) is designed as a hollow body that is open on at least one side.

Abstract: A TIG torch for welding, soldering or coating, wherein an electrode is radially surrounded by an inner gas nozzle as far as the electrode tip. A first gas flow in the direction of a workpiece surface through a gap between the inner lateral surface of the inner gas nozzle and the lateral surface of the electrode. The inner gas nozzle is fastened to a sleeve-shaped inner gas nozzle carrier and is surrounded by an outer gas nozzle fixed to an outer gas nozzle carrier or an outer gas nozzle. A second gas flow in the direction of the workpiece surface between the radially outer lateral surface of the inner gas nozzle and the inner lateral surface of the outer gas nozzle. An electrically insulating element is arranged between the inner gas nozzle carrier, inner gas nozzle and/or electrode and the outer gas nozzle carrier and/or outer gas nozzle.

Abstract: Disclosed is a lubricant supply system, for a bearing damper in a bearing housing, the bearing housing in an engine bearing compartment of a gas turbine engine, the bearing compartment rotatably supporting an engine component, including a first interface, a second interface, a bearing supply conduit fluidly coupled to the second interface and extending from the first interface to the second interface, the bearing supply conduit supplying lubricant to the bearing housing, a damper supply conduit located within the bearing supply conduit, extending between the interfaces, the damper supply conduit supplying lubricant to the bearing damper, and fluid in the bearing supply conduit is capable of insulting fluid in the damper supply conduit 108 from heat transferred through the interfaces.

Abstract: Disclosed is a lubricant supply system for a plurality of bearing dampers in a plurality of engine bearing compartments of a gas turbine engine, including a lubricant supply conduit, a first lubricant delivery conduit fluidly coupled to the supply conduit, the first delivery conduit including one or more lubricant delivery flow paths and delivering lubrication to engine components, a second lubricant delivery conduit fluidly coupled to the supply conduit, the second delivery conduit delivering lubricant to one or more of the plurality of bearing dampers, and an active oil flow management valve, selectively restricting lubricant flow in the first delivery conduit, increasing pressure in the second delivery conduit, based on an engine shaft rotational speed.

Abstract: Disclosed is a lubricant supply system for a plurality of bearing dampers in a plurality of engine bearing compartments of a gas turbine engine, including a lubricant supply conduit, a first lubricant delivery conduit fluidly coupled to the supply conduit, the first delivery conduit including one or more lubricant delivery flow paths and delivering lubrication to engine components, a second lubricant delivery conduit fluidly coupled to the supply conduit, the second delivery conduit delivering lubricant to one or more of the plurality of bearing dampers, and an active oil flow management valve, selectively restricting lubricant flow in the first delivery conduit, increasing pressure in the second delivery conduit, based on an engine shaft rotational speed.

Abstract: A single, unitary fuel/oil manifold for a gas turbine engine is provided which comprises one or more interfaces for mounting various fuel system and lubricating system components directly to the fuel/oil manifold. The fuel/oil manifold also defines fluid passages for transferring fuel or lubricant from one component to another component. Packing numerous fuel system and lubricating system components within the fuel/oil manifold reduces cost and weight and simplifies maintenance.

Abstract: A lubricant supply system for a bearing damper in an engine bearing compartment of a gas turbine engine, the bearing compartment rotatably supporting an engine component and including a drain system for purging excess lubricant, including a first interface, a second interface, a drain conduit fluidly coupled to the first interface and extending from the first interface to the second interface, the drain conduit receiving fluid, including excess lubricant and lubricant purging air, from the first interface, a supply conduit located within the drain conduit, extending between the interfaces the supply conduit providing lubricant to the bearing damper and fluid in the drain conduit is capable of insulting fluid in the supply conduit from heat transferred through the interfaces.

Abstract: Disclosed is a lubricant supply system for a plurality of bearing dampers in a plurality of engine bearing compartments of a gas turbine engine, including a lubricant supply conduit, a first lubricant delivery conduit fluidly coupled to the supply conduit, the first delivery conduit including one or more lubricant delivery flow paths and delivering lubrication to engine components, a second lubricant delivery conduit fluidly coupled to the supply conduit, the second delivery conduit delivering lubricant to one or more of the plurality of bearing dampers, and an active oil flow management valve, selectively restricting lubricant flow in the first delivery conduit, increasing pressure in the second delivery conduit, based on an engine shaft rotational speed.

Abstract: Disclosed is a lubricant supply system for a bearing damper in an engine bearing compartment of a gas turbine engine, the bearing compartment rotatably supporting an engine component, including a first interface, a second interface, a supply conduit fluidly coupled to the second interface and extending from the first interface to the second interface, the conduit supplying lubricant to the bearing damper and including a first discrete cavity, extending proximate to the first interface, a second discrete cavity, extending proximate to the second interface, the discrete cavities, mutually spaced to be substantially outside a core gas path C of engine, the discrete cavities being air sealed against the supply conduit, insulating fluid in the supply conduit from heat transferred from the interfaces.

Abstract: Disclosed is a lubricant supply system, for a bearing damper in a bearing housing, the bearing housing in an engine bearing compartment of a gas turbine engine, the bearing compartment rotatably supporting an engine component, including a first interface, a second interface, a bearing supply conduit fluidly coupled to the second interface and extending from the first interface to the second interface, the bearing supply conduit supplying lubricant to the bearing housing, a damper supply conduit located within the bearing supply conduit, extending between the interfaces, the damper supply conduit supplying lubricant to the bearing damper, and fluid in the bearing supply conduit is capable of insulting fluid in the damper supply conduit 108 from heat transferred through the interfaces.

Abstract: A borescope inspection (BSI) port fitting is provided for a gas turbine engine. The borescope inspection (BSI) port fitting includes a housing with a borescope inspection port.

Abstract: A sleeve and collar system for an oar includes a sleeve configured to couple to a shaft portion of the oar. The sleeve includes an outer surface. The system also includes a wear collar configured to couple around the sleeve at each of a plurality of longitudinal positions along the sleeve. The wear collar is configured to bear substantially all direct contact from an oarlock during a rowing stroke of the oar. A radially inner surface of the wear collar is shaped to be complementary to at least a portion of the sleeve outer surface, such that the wear collar inner surface and the sleeve outer surface cooperate to maintain the wear collar in a predetermined orientation about a longitudinal axis of the sleeve at each of the plurality of longitudinal positions.

Abstract: A rotor blade for a gas turbine has a pressure-side wall and a suction-side wall, a tip cap, a cavity which is formed by the inner surface of the pressure-side wall, the suction-side wall and the tip cap, and a squealer which extends radially from the pressure-side and suction-side walls, a half-space formed by the outer surface of the tip cap and the squealer, and a cooling channel which leads from the cavity to the outside of the squealer. The tip cap has a recess which extends from the half-space into the tip cap such that the recess divides the cooling channel into a first part that communicates with the cavity and a second part that communicates with the outside space.

Abstract: A sleeve and collar system for an oar includes a sleeve configured to couple to a shaft portion of the oar. The sleeve includes an outer surface. The system also includes a wear collar configured to couple around the sleeve at each of a plurality of longitudinal positions along the sleeve. The wear collar is configured to bear substantially all direct contact from an oarlock during a rowing stroke of the oar. A radially inner surface of the wear collar is shaped to be complementary to at least a portion of the sleeve outer surface, such that the wear collar inner surface and the sleeve outer surface cooperate to maintain the wear collar in a predetermined orientation about a longitudinal axis of the sleeve at each of the plurality of longitudinal positions.

Abstract: A single, unitary fuel/oil manifold for a gas turbine engine is provided which comprises one or more interfaces for mounting various fuel system and lubricating system components directly to the fuel/oil manifold. The fuel/oil manifold also defines fluid passages for transferring fuel or lubricant from one component to another component. Packing numerous fuel system and lubricating system components within the fuel/oil manifold reduces cost and weight and simplifies maintenance.

Abstract: A component mount is disclosed which may comprise a tube fitting having first and second ends, a bracket extending from the tube fitting, and a mount extending from the tube fitting. The component mount may be used to mount a line replaceable unit to a casing of a gas turbine engine.

Abstract: A borescope inspection (BSI) port fitting is provided for a gas turbine engine. The borescope inspection (BSI) port fitting includes a housing with a borescope inspection port.

Abstract: Cleaning of contamination in a printer, especially contamination by the use of a fixing aid, in which the contamination is determined by evaluating the register of a print of the printing machine. In the case that the register error is larger than a given amount, a cleaning run is performed. A control device is provided for evaluation of the register for determining contamination of the printer, especially by a fixing aid.