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Patent # Description
US-1,029,4827 Variable valve mechanism for engine
A variable valve mechanism includes a camshaft and a cam unit. Internal spline teeth provided at an inner periphery of a sleeve of the cam unit are in mesh with...
US-1,029,4826 Ultra efficient turbo-compression cooling
A turbo-compression cooling system includes a power cycle and a cooling cycle coupled one to the other. The power cycle implements a waste heat waste heat...
US-1,029,4825 Waste-heat utilization assembly of an internal combustion engine and method for operating a waste-heat...
The invention relates to a waste-heat utilization assembly (1) of an internal combustion engine (50), comprising a circuit (2) that conducts a working medium,...
US-1,029,4824 Compressed gas energy storage and restitution system and method
The invention comprises at least one gas compressor, at least one compressed gas storage, at least one expander for expanding the compressed gas for generating...
US-1,029,4823 Dirt evacuation devices
A system for reducing debris in a gas turbine engine includes a component that defines a component cooling channel for receiving a cooling airflow. The system...
US-1,029,4822 Turbine engine nacelle fitted with a heat exchanger
A nacelle of a turbine engine includes an external cowling, an internal cowling, and a heat exchanger associated with at least one circulation duct for a fluid....
US-1,029,4821 Interturbine frame for gas turbine engine
The present disclosure is directed to a gas turbine engine defining a radial direction, a circumferential direction, an axial centerline along a longitudinal...
US-1,029,4820 Device for protecting against oil leaks towards the rotors of a turbomachine turbine
A device for protecting against oil leaks towards the rotors of a turbomachine turbine includes an upstream cavity in which an oil/air mixture can circulate,...
US-1,029,4819 Multi-piece heat shield
An assembly for a gas turbine engine includes a first casing, a fairing, and a multi-piece heat shield assembly. The fairing is disposed adjacent the first...
US-1,029,4818 Gas turbine having an annular passage subdivided into annulus sectors
A gas turbine having at least one inner and outer housing part, between which two housing parts a ring channel is at least partially arranged, which ring...
US-1,029,4817 Method to integrate multiple electric circuits into organic matrix composite
A method of forming a circuit in a composite component includes providing a plurality of preform modules comprised of an organic matrix composite material,...
US-1,029,4816 High durability turbine exhaust case
A turbine exhaust case has an outer housing to be secured within a gas turbine engine and a central hub. Struts extend between the outer housing and the central...
US-1,029,4815 SPF/DB structure for attenuation of noise from air flow
A propulsion system comprises a turbine engine, and an engine nacelle including an SPF/DB inner wall having a hot side face sheet against the engine and a cold...
US-1,029,4814 Ellipsoidal inner central blade storage space
An inner ring according to the invention or an inner ring segment according to the invention for an adjustable guide vane assembly comprises a plurality of...
US-1,029,4813 Geared unison ring for variable vane actuation
A variable vane system includes a harmonic drive driven by an actuator, and a drive gear driven by the harmonic drive. A geared unison ring includes an actuator...
US-1,029,4812 Vane position sensor installation within a turbine case
A measuring system for sensing vane positions that comprises a turbine, a target, and a sensor. The turbine includes a plurality of articulating vanes, with...
US-1,029,4811 Rotor tip clearance
A method of calibrating a rotor tip clearance arrangement that includes measuring a rotor parameter indicative of rotor efficiency and altering a position of a...
US-1,029,4810 Heat exchanger seal segment for a gas turbine engine
Described is a seal segment (310) for a gas turbine engine, comprising: a gas facing wall (312) having a gas facing surface (314) and a first internal surface...
US-1,029,4809 Gas turbine engine with compliant layer for turbine shroud mounts
A turbine shroud for use in a gas turbine engine includes a carrier, a blade track segment, and a load-distribution system. The carrier is arranged around a...
US-1,029,4808 Fastener retention mechanism
A fastener retention mechanism for retaining fasteners of a stator assembly in a gas turbine engine is provided. The fastener retention mechanism including: a...
US-1,029,4807 Inter-turbine ducts
An inter-turbine duct includes a first annular wall with a ceramic composite material and including a first plurality of layers and a second plurality of...
US-1,029,4806 Multiple coating configuration
An article includes a body that has a coating thereon. The coating has a first portion disposed on a first section of the body and a second portion disposed on...
US-1,029,4805 Gas turbine engine integrally bladed rotor with asymmetrical trench fillets
An integrally bladed rotor includes a rotor that has a rim that provides an inner flow surface. Circumferentially spaced apart radially extending airfoils...
US-1,029,4804 Dual alloy gas turbine engine rotors and methods for the manufacture thereof
Dual alloy Gas Turbine Engine (GTE) rotors and method for producing GTE rotors are provided. In one embodiment, the method include includes arranging bladed...
US-1,029,4803 Compositions and methods of deposition of thick environmental barrier coatings on CMC blade tips
Coating systems are provided for use on a CMC substrate, that can include: a bond coat on a surface of the CMC substrate; a first rare earth silicate coating on...
US-1,029,4802 Turbine engine components with chemical vapor infiltrated isolation layers
An assembly for use in a gas turbine engine and method for making the same are described herein. The assembly comprising a CMC component, a metallic component...
US-1,029,4801 Rotor blade having anti-wear surface
A rotor blade includes a main body that extends radially outward from a first end to a second end, and includes a platform at the second end that extends...
US-1,029,4800 Gas turbine blade
A gas turbine blade includes a blade root and a blade aerofoil, a cooling fluid plenum extending inside the gas turbine blade through the blade root, the blade...
US-1,029,4799 Partial tip flag
A rotor blade of a turbine engine may have internal passages to permit the travel of cooling air through the blade. These passages may include a tip flag, a...
US-1,029,4798 Gas turbine engine component having surface indicator
A component for a gas turbine engine according to an exemplary aspect of the present disclosure includes, among other things, a body portion, a cooling circuit...
US-1,029,4796 Blade or vane arrangement for a gas turbine engine
A blade or vane arrangement for a gas turbine engine has an array of aerofoils mounted to respective platforms about an axis and defining a passage through...
US-1,029,4795 High pitch-to-chord turbine airfoils
A low pressure turbine engine component for use in an engine, for propelling a vehicle such as an aircraft is formed by a disk portion and a plurality of low...
US-1,029,4794 Gas turbine engine
A fan containment system for fitment around an array of radially extending fan blades mounted on a hub in an axial gas turbine engine. The fan containment...
US-1,029,4793 PDM performance simulation and testing
A method for measuring load performance of a positive displacement motor (PDM) test coupon. The test coupon comprises a partial length of a PDM stage and is...
US-1,029,4792 Split-chamber rotary engine improvements
This invention relates to the field of internal combustion engines and compressors in general and to linear compressors, in particular these used as in U.S....
US-1,029,4791 Rotary engine seals
A rotor assembly has a sealing system for sealing at apexes or faces of the rotor. An apex seal or face seal comprises a compliant member that is configured...
US-1,029,4790 J-engine
Various exemplary embodiments relate to an engine including a cylindrical cassette that converts linear into rotational motion. The linear motion is provided by...
US-1,029,4789 Hydrostatic axial piston machine
A hydrostatic axial piston machine (1) with a cylinder barrel (2) having at least one piston bore (3) in which is located a power unit piston (4) supported on a...
US-1,029,4788 Slotted tubular anchor
A mine bolt includes an elongated body having a first end and a second end positioned opposite the first end, and an anchor comprising a tube defining a central...
US-1,029,4787 Mineral bits and mounts
Mineral bits (10, 100) and associated mounts (30, 116, 200) for use during excavation and mining operations are disclosed. An exemplary bit (10) has a front...
US-1,029,4786 Rotatable cutting tool with cutting insert and bolster
A rotatable cutting tool (10) includes a cutting tool body (12) having an axial forward end (14) and an axial rearward end (16). A bolster (46) at least...
US-1,029,4785 Data extraction for OBM contamination monitoring
Disclosed are methods and apparatus obtaining in-situ, real-time data associated with a sample stream obtained by a downhole sampling apparatus disposed in a...
US-1,029,4784 Systems and methods for controlling flow rate in a focused downhole acquisition tool
A method includes operating a downhole acquisition tool including a guard probe and a sample probe in a wellbore that contains a fluid that includes a native...
US-1,029,4783 Selectable size sampling apparatus, systems, and methods
In some embodiments, an apparatus and a system, as well as a method and an article, may operate to terminate sampling of fluid into one of a set of fluid...
US-1,029,4782 Fluidic pulser for downhole telemetry
An example method includes providing fluid communication between an internal bore of a drill string and an annulus between the drill string and a borehole...
US-1,029,4781 Compensator, thrust bearing and torsion bar for servo-driven mud pulser
A pressure compensator assembly is deployed in a servo-driven mud pulser. The assembly includes a generally tubular compensator sleeve that expands and...
US-1,029,4780 Mud pulse telemetry preamble for sequence detection and channel estimation
A method and system of mud pulse telemetry uses a preamble having a number of periods of a synchronization sequence followed by a single period of a channel...
US-1,029,4779 Passive attenuation of noise for acoustic telemetry
An acoustic well telemetry system has an acoustic telemetry transducer affixed to an in-well type component and a damper between the transducer and the in-well...
US-1,029,4778 Downhole optical communication
A method of optical communication in a well can include launching light having substantially coherent phase into an optical waveguide extending in a wellbore,...
US-1,029,4777 Steering tool system
A steering tool system may provide a bottom hole assembly (BHA) and a surface control/interface (SCI). The steering tool may provide an improved electronic...
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