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Piston ring anti-rotation
A squeeze film damper bearing assembly includes a bearing and a squirrel cage radially outward of and supporting the bearing. The squirrel cage includes a first...
Turbine end intake structure for turbocharger, and turbocharger comprising
A turbine end intake structure for a turbocharger includes a turbine housing, a turbine having multiple blades and located in a turbine shell, and thermal...
Cooling-air guidance in a housing structure of a turbomachine
A housing structure for a turbomachine, the housing structure annularly surrounding, at least partially, a flow channel (14) in which guide vanes and rotor...
Apparatus for circulating coolant in turbocharger
An apparatus circulates a coolant in a turbocharger, which includes a first coolant line for supplying the coolant to the turbocharger from a water pump and...
Aircraft anti-icing systems having deflector vanes
Apparatus and methods to lower peak temperatures and improve performance of aircraft anti-icing systems are described herein. One described example apparatus...
Turbine vane of steam turbine and steam turbine
Vane members have a space formed therein and a plate spring member is disposed inside the space of the vane members and elastically contacts inner surfaces of...
Variable geometry turbine
A variable geometry turbine comprise a housing; a turbine wheel supported in the housing for rotation about a turbine axis; and an annular inlet passage...
Turbomachine with variable-pitch vortex generator
A turbomachine including at least one bladed disk and vortex generators positioned upstream of the blading of the disk is provided. The vortex generators are of...
Clearance control system for a rotary machine and method of controlling a
A clearance control system for a rotary machine includes an outer casing including an outer casing main portion having a first radial thickness, wherein the...
Inner turbine shell axial movement
A clearance control system for a turbine having a stator assembly and a rotor assembly includes a hydraulic or pneumatic controller that axially drives, through...
Compressor seal assembly for a turbocharger
A compressor seal assembly is disclosed. The compressor seal assembly may have a seal ring having a seal ring bore. The compressor seal assembly may also have a...
Systems and methods for dynamically sealing a turbine engine
A turbine engine assembly is provided. The turbine engine assembly includes a stator assembly and a rotor assembly having a rotor disk coupled to a plurality of...
Fan blade dovetail with compliant layer
A fan blade includes an airfoil and a dovetail at a radially inner end of the airfoil. The dovetail extends between first and second axial ends, and has outer...
Bucket connection for a turbine runner
A bucket connection for a turbine runner that includes a number of buckets encircling a centre disk. At least one bucket is pivotably or hingedly connected to...
Micro jet gas film generation apparatus
A micro jet gas film generation apparatus aims to eject a gas to a work object which is desired for cooling or insulating from heat. The micro jet gas film...
Propeller blade with modified spar layup
According to one embodiment, a propeller blade includes a foam core and a structural layer formed of multiple layers that surrounds at least a portion of the...
Turbine engine and aerodynamic element of turbine engine
A turbine engine is provided and includes an aerodynamic element disposed to aerodynamically interact with a flow of working fluid and contour features disposed...
Method of automatically regulating a rotorcraft power plant, a rotorcraft
power plant, and a rotorcraft
A method of automatically regulating a power plant (3') of an aircraft (1), said power plant comprising at least one turbine engine (3), said aircraft (1)...
Method for repairing a single crystal turbine blade
A method is provided for repairing a single crystal turbine blade, which includes an airfoil with a tip having a tip cover plate, tip cooling air holes and a...
Method for reconditioning a blade of a gas turbine and also a
A method is provided for reconditioning a blade of a gas turbine. The blade includes a blade airfoil, with a pressure side and a suction side, which extends in...
Axially balancing a turbine using low temperature exhaust
A single-flow turbine using CO.sub.2 as a working fluid. The turbine includes a balance piston portion configured to optimize an axial load of a rotor on a...
Radial cylinder hydraulic machine with improved oscillating radial
A hydraulic machine includes oscillating radial cylinders close to an external shell of a crown or star of cylinder-piston groups. The pistons of the groups are...
Tension meter for anchor rod with constant resistance and large
A tension meter of an anchor rod with constant resistance and large deformation comprises a pull rod and a hollow jack. The meter further includes: a rotation...
Ground and rock anchor
A ground and rock anchor includes a longitudinally stable, flexible tensile member, an anchorage part, in which the tensile member may be fixed by the one end...
Reservoir calibration parameterization method
A method is described for producing an amended realization of a geostatistical model of a hydrocarbon reservoir using the Karhunen-Loeve (KL) expansion. The KL...
Apparatus and method for downhole communication
A method for downhole communication and an apparatus for remote actuation of a downhole tool is disclosed. The method comprises the steps of: programming at...
System and method for controlling a downhole tool
A system and method for communicating with a downhole tool. A downhole tool includes a downlink receiver and a command actuator. The downlink receiver receives...
Valuing future well test under uncertainty
The present invention relates to a method and system for quantifying the value-of-information (VoI) of a proposed and future well test where multiple...
Method and apparatus for generating seismic pulses to map subterranean
Methods for determining distribution, orientation and dimensions of networks of hydraulically-induced fractures within a subterranean formation containing...
Chemically-induced pulsed fracturing method
A method of increasing a stimulated reservoir volume in a wellbore in a gas-containing formation includes the steps of mixing an exothermic reaction component...
System for chemical treatment of a subsurface wellbore
A well chemical treatment system includes a chemical dispenser having a control signal input and a chemical outlet in fluid communication with a well. A...
Cyclic solvent hydrocarbon recovery process using an advance-retreat
movement of the injectant
Herein is a cyclic solvent-dominated recovery process (CSDRP) for recovering hydrocarbons from an underground reservoir. The cyclic solvent process involves...
Multi-zone single treatment gravel pack system
A gravel pack system includes a tool string having an inner string member, an outer string member, and a passage arranged between the outer string member and...
Equipment for the conveying and recovery of hydrocarbons from an
underwater well for the extraction of...
The present invention relates to equipment for the conveying and recovery of hydrocarbons from an underwater well for the extraction of hydrocarbons under...
Sonic oil recovery apparatus for use in a well
A sonic oil recovery apparatus for use in a well having a casing therein, has an injector tubing adapted to extend within an interior of the casing and a...
Drilling shaft abutting apparatus
A drilling shaft abutting apparatus is disclosed herein. The apparatus includes a plate having an arcuate edge. The arcuate edge is configured to at least...
Sliding sleeve having deformable ball seat
A sliding sleeve opens with a deployed ball. The sleeve has a seat disposed in the housing, and the seat has segments biased outward from one another with a...
Opening a conduit cemented in a well
A method of opening a conduit cemented in a subterranean well can include flowing a fluid through a passage in the well after the conduit is cemented in the...
Valve with stop mechanism
In the specification and drawings, a valve is described and shown having a first and second valve seat carrier, a valve seat associated with each valve seat...
Method and apparatus for retaining a valve to a cement head
An apparatus for retaining and securing elevated objects such as cement valves. A harness member is wrapped around the outer surface of an elevated object, and...
Blow out preventer
A blow out preventer (BOP) for use in the drilling of a wellbore into a subterranean fluid reservoir and/or the production of fluid is provided. The BOP...
Confined volume pressure compensation due to thermal loading
A pressure compensation system for enclosed spaces at a subterranean location changes volume with thermally induced solubility changes of a salt in water. The...
Swellable packer with enhanced sealing capability
A swellable packer with enhanced sealing capability. A packer assembly includes multiple seal elements, each seal element being swellable downhole, each seal...
Annulus mounted potential energy driven setting tool
An actuator and method for setting a subterranean tool uses an externally mounted actuator on a tubular string that is operably engaged to the tool to be...
Fiber reinforced polymer matrix nanocomposite downhole member
A downhole composite component is disclosed. The downhole composite component includes a tubular member, the tubular member comprising a fiber reinforced...
Underwater noise abatement apparatus and deployment system
A deployable underwater noise abatement system allowing packing and deploying an organized set of grouped resonators is disclosed. The system allows relatively...
Rotating control device with positive drive gripping device
A rotating control device can include a rotatably mounted seal which sealingly engages a drill string, and a gripping device which grips the drill string and...
Annulus cementing tool for subsea abandonment operation
A method for abandonment of a subsea well includes: fastening a pressure control assembly (PCA) to a subsea wellhead; and deploying a tool string into the PCA....
Blowout preventer storage, transport and lift skid assembly
A storage, transport and lift skid assembly for a blowout preventer. The assembly includes a base frame and a mounting frame movable between a storage and...
An overshot (10, 100, 200) for handling equipment (12) defining a spearhead point (14). The overshot (10, 100, 200) includes: a substantially elongated overshot...