Abstract: The base of an actuator housing 10 is arranged to face the side of a turbine housing, and a motor 16 is fixed to a motor support post that is protrusively provided toward the top of the actuator housing 10 such that the motor 16 is kept at a distance from the turbine housing.

Abstract: A cryogenic liquid turbine is provided, wherein, an impeller end of the rotor and a nozzle assembly are received into a cavity of a volute (1), and a main part of the volute (1) is put into a perlite cold box (3); an insulation pad (2) is used between the volute (1) and a machine housing (9) to insulate heat; an impeller outlet is connected to a diffuser pipe (20). A nozzle assembly is connected to the machine housing (9) by a nozzle compression flange (27); a nozzle compression plate adjusts a compactness of nozzle vanes (18) by a disc spring (25); a nozzle turntable (14) is axially and rotatably connected on a nozzle chassis (17), and adjusts the nozzle vane stagger angle by a adjusting mechanism passing through the volute (1); impeller shroud side seal is axially fixed on the nozzle compression flange (27), and a shaft seal (5) is axially fixed on a seal gas part (4); the seal gas part (4) and an oil seal (6) are axially fixed on the machine housing (9) by a bolt (15).

Abstract: A centering device includes a pivoting part configured to pivot around a first axis that extends along an axial direction of a hole formed in the pivoting part; a roller attached to a first end of the pivoting part and configured to rotate; a rod attached to a second end of the pivoting part and configured to move along a second axis; a spring mechanism enclosing a part of the rod and configured to apply a biasing force to the pivoting part; and a rod housing configured to receive an end of the rod and to allow the rod to freely move through the rod housing.

Abstract: A drive ring bearing has a body with a generally cylindrical outer peripheral surface, and a generally u-shaped cross-section, with over a circumferential portion of the body. A web defines the outer peripheral surface. Radially inwardly extending legs define the u-shape in combination with the web. A plurality of circumferentially spaced feet extend from the outer peripheral surface of the body to an inner peripheral surface of the body. In addition, a diffuser assembly incorporating the drive ring bearing, a compressor assembly including the diffuser assembly, and a method of mounting the drive ring bearing are also disclosed.

Abstract: A turbocharger is provided herein. The turbocharger includes a housing and an adjustable core at least partially circumferentially surrounded by the housing, the adjustable core having a turbine rotor coupled to a compressor rotor via a shaft. The turbocharger further includes an adjustment mechanism coupled to the adjustable core configured to adjust an axial position of the housing relative to the adjustable core in response to adjustment commands.

Abstract: The invention relates to a unit comprising a hydraulic turbine (1), a duct (5) leading a forced flow of water to the turbine, a duct (8) discharging the outgoing flow from the turbine and vanes (20) for guiding the flow through the discharge duct. Each guide vane (20) is able to rotate about an axis (x22) secant to the wall (84) of the discharge duct. Means (30) are provided for controlling the angular position of the vane (20) about its axis of rotation (x22). Each guide vane (20) can also be retracted into the wall (84) of the discharge duct (8), and means (21) are provided for adjusting the extent to which they are withdrawn into the wall.

Abstract: Multiple guide claws are formed integrally on a right side surface of a first nozzle ring of a variable nozzle unit and radially at intervals in a circumferential direction. Each guide claw has a guide groove with a U-shaped cross section, which is formed by lathe turning. A projecting portion is formed at an inner edge portion on the right side surface of the first nozzle ring. The projecting portion is formed on base portions of the multiple guide claws.

Abstract: A controllable coolant pump for a coolant circuit of an internal combustion engine, the coolant pump including a hollow bearing shaft which is supported in a bearing sleeve, carries a drive wheel at one end, and is permanently connected at its opposite end to an impeller, the impeller having a stop surface at the end face thereof; the space between the stop surface and the impeller forming the pumping cross section for a coolant, and a piston that can be axially displaced by an actuation unit being disposed in the hollow bearing shaft and provided at its outer end with a guide plate having a collar facing the impeller for completely or partially closing the pumping cross section in accordance with the position of the piston. The actuation unit has a release lever which can be pivoted by an electromechanical actuating element about an axis of rotation, thus allowing axial positioning of the piston.

Abstract: An exhaust gas system configured for an internal combustion engine includes a cylinder head having at least two cylinders, a single exhaust duct emerging from the cylinder head, an individual exhaust duct provided between each cylinder and the single exhaust duct, and a reservoir of fixed volume integrated in the cylinder head and coupled to the single exhaust duct via a connecting duct. A reservoir valve is provided in the connecting duct in some embodiments. According to one embodiment, a method is disclosed in which the reservoir valve is commanded to an open position when flow through the single exhaust duct is large and commanded to a closed position when flowrate through the single exhaust duct is small. In some embodiments, a turbine, with a selectable volume upstream of the impeller, is coupled to the cylinder head.

Abstract: The invention relates to a diverter damper for controlling a gas flow in a gas duct of large cross section, said diverter damper comprising:—a housing having an inlet and two outlets,—a pivotable flap which in a first extreme position closes a first outlet and in a second extreme position closes a second outlet,—a drive shaft connected to the pivotable flap, wherein the drive shaft extends at least partly between two opposite housing walls and through at least one of the two opposite housing walls,—at least one actuator mechanism that is located outside the housing near or against the at least one housing wall through which the drive shaft extends, wherein said actuator mechanism comprises at least one cylinder piston unit connected to said drive shaft for pivoting the flap into one of the extreme positions or into a position between the extreme positions.

Abstract: A variable geometry turbine of the kind used in a turbocharger has a variable geometry element such as a nozzle ring or an annular array of swing vanes that is operated by an actuator. The actuator has an output shaft coupled to a transmission mechanism for moving the variable geometry element. A rotary sensor device coupled to the output shaft of the actuator has a sensor wheel with a stop, slip clutch mechanism and a rotary position sensor. The device converts movement of the actuator output shaft into rotation of the wheel and the sensor generates an output signal representative of the rotary position of the wheel to provide a value indicative of the position of the variable geometry element.

Abstract: A compressor section of a gas turbine generally includes a stage of inlet guide vanes positioned adjacent to an inlet of the compressor section and a stage of rotor blades disposed downstream from the inlet guide vanes. A stage of stator vanes is positioned downstream from the stage of rotor blades. The stage of stator blades includes a row of leading guide vanes having a trailing edge. A row of trailing guide vanes coupled to an actuator is disposed between two corresponding adjacent leading guide vanes. Each of the trailing guide vanes includes a trailing edge. The leading edge of each trailing guide vane is disposed upstream of the trailing edge of a corresponding leading guide vane when the trailing guide vane is in an open position and downstream from the trailing edge of the corresponding leading guide vane when the trailing guide vane is in a closed position.

Abstract: Embodiments of the present application include a variable stator vanes control mechanism for a gas turbine engine. The control mechanism may include a moveable actuation rod in operative communication with a torque shaft such that movement of the actuation rod rotates the torque shaft. The control mechanism also may include a first unison ring in operative communication with the torque shaft such that rotation of the torque shaft drives the first unison ring. Moreover, the control mechanism may include a second unison ring in operative communication with the torque shaft such that rotation of the torque shaft drives the second unison ring.

Abstract: Methods, apparatus, and products are disclosed for improving the airflow exiting a blower that has one or more adjustable guide vanes that are affixed to the blower at one or more pivot points located in an outlet of the blower that include: determining a rotational speed of an impeller in the blower and adjusting a position of at least one of the adjustable guide vanes in dependence upon the rotational speed of the impeller.

Abstract: Methods, apparatus, and products are disclosed for improving the airflow exiting a blower that has one or more adjustable guide vanes that are affixed to the blower at one or more pivot points located in an outlet of the blower that include: determining a rotational speed of an impeller in the blower and adjusting a position of at least one of the adjustable guide vanes in dependence upon the rotational speed of the impeller.

Abstract: A variable nozzle control device is provided with a drive unit, a stopper, and a controller. The drive unit drives variable nozzles. The stopper is configured to be in contact with the drive unit with the variable nozzles being in a full close state. The controller counts a time including an operating time of an engine after preceding contact of the drive unit with the stopper, determines whether the counted time has reached a predetermined time, and controls the drive unit so as to bring the drive unit into contact with the stopper when determining that the counted time has reached the predetermined time, with the engine at a stop.

Abstract: A configuration including outer-rotation motor portion (4) including stator (2) with a center through which fixed axis (1) passes, and rotor (3) pivotally supported capable of rotating around stator (2); a plurality of blade plates (5) radially arranged on rotor (3); support base (6) having fixed axis (1) in a center thereof and located in a lower part of stator (2); angle changing unit (7) provided on support base (6); and a plurality of stationary blade plates (9) being detachably placed on stationary blade holders provided on angle changing unit (7). With the configuration in which an elevation/depression angle of stationary blade plates (9) is adjustable by at least one stationary blade driving motor (10) that drives angle changing unit (7), a structure is simplified.

Abstract: A radial fan, in particular for a gas burner, for premixing air and gas, comprising a housing with a radial fan wheel disposed therein, and a regulation valve for regulating a gas volume, which comprises a valve seat, wherein the valve seat of the regulation valve is formed by a portion of the housing.

Abstract: Methods, apparatus, and products are disclosed for improving the airflow exiting a blower that has one or more adjustable guide vanes that are affixed to the blower at one or more pivot points located in an outlet of the blower that include: determining a rotational speed of an impeller in the blower and adjusting a position of at least one of the adjustable guide vanes in dependence upon the rotational speed of the impeller.

Abstract: An inlet duct, an induction system, and a system are disclosed for directing an inlet flow into an inlet compressor for use in an internal combustion engine. An example inlet duct may include one or more relief features disposed on an inner surface of the inlet duct. The one or more relief features may be made integral with the inlet duct. The one or more relief features may be disposed to protrude into the inlet flow to cause the inlet flow to swirl before reaching the inlet compressor.

Abstract: A system for controlling a centrifugal gas compressor (108) in an HVAC, refrigeration or liquid chiller system (100) in which flow of gas through the compressor is automatically controlled to maintain desired parameters within predetermined ranges so as to prevent stall and surge conditions within the system. A variable geometry diffuser (119) in the compressor controls the refrigerant gas flow at the discharge of the compressor impeller wheel (201). This arrangement reduces mass flow, decrease/eliminate flow-reducing stall, and increases the operating efficiency of the compressor at partial load conditions. The variable geometry diffuser control in combination with a variable speed drive (VSD) (120) increases the efficiency of the compressor at partial system loads, and eliminates the need for pre-rotation vanes at the inlet of the centrifugal compressor.

Abstract: In one embodiment, a fluid driven actuation system is provided having a turbine and an actuation member with cooperating surfaces. In one form the fluid is fuel. The turbine may move when fluid is flowed through the actuation member thereby causing the actuation member to move by action of the cooperating threaded surfaces. A movable nozzle may also be provided to direct fluid flowing through actuation member and may be used to cause the turbine to move. A spring may be provided to create a biasing force in the nozzle.

Abstract: This disclosure relates to a gas turbine engine including a core engine that drives a fan. A fan nacelle surrounds the fan and provides an inner surface facing the fan. The fan nacelle includes an inlet lip adjoining the inner surface. A ring is arranged at the inner surface and is axially upstream from the fan. The ring includes a deployed position in which the ring is spaced radially inwardly from the inner surface to provide a gap therebetween through which air flows. The ring also includes a stowed position in which the ring is arranged radially inwardly from the deployed position and proximate to the inner surface. The ring is commanded to the deployed position in response to detecting a first condition, which corresponds to a flow separation condition at the fan nacelle inlet. The ring may be stowed during cruise conditions, for example.

Abstract: In a variable vane drive device of an axial-flow fluid machine, a ring support unit supporting a movable ring includes: a first roller; a first support part supporting the first rollers so as to be relatively immovable with respect to a vane holding ring in a radial direction and in an axial direction; a second roller; a second support part supporting the second roller so as to be relatively movable with respect to the vane holding ring in the radial direction and pressing the second roller in the radial direction; a third roller allowing relative movement of the movable ring in the radial direction and restricting relative movement of the movable ring in the axial direction; and a third support part supporting the third roller so as to be relatively immovable with respect to the vane holding ring in the axial direction and in the radial direction.

Abstract: A link mechanism includes a rotary shaft having a pin pushing thread hole, a link member having a shaft insertion hole, a detent pin configured to restrict the link member to be relatively non-rotatable with respect to the proximal end of the rotary shaft around an axis thereof, a pin support member to which the detent pin is fixed, and a pushing bolt having a male thread section that can be thread-engaged with the pin pushing thread hole, wherein a pin hole into which the detent pin can be fitted is formed in the proximal end of the rotary shaft and the link member, a pin removing thread hole is formed in the pin support member, and a thread major diameter of the pin removing thread hole is larger than a thread major diameter of the male thread section of the pushing bolt.

Abstract: A variable vane drive device includes a movable ring disposed at an outer circumferential side of a casing of an axial-flow compressor and having an annular shape, four ring support mechanisms disposed at intervals in a circumferential direction of the movable ring and rotatably supporting the movable ring around a rotor, and a link mechanism for connecting the movable ring to a variable vane such that a direction of the variable vane is varied by rotation of the movable ring. The ring support mechanisms have inner rollers, outer rollers, and roller support bases for rotatably supporting the inner rollers and the outer rollers in a state in which the movable ring is sandwiched between the inner roller and the outer rollers.

Abstract: An actuation system is provided for a variable area fan nozzle assembly of an aircraft. The actuation system includes a motor configured to generate a torque; a nozzle; and a drive coupling assembly coupled to the motor and the nozzle. The drive coupling assembly includes a first position in which the torque from the motor is transferred to the nozzle to translate the nozzle and a second position in which the torque from the motor is not transferred to the nozzle. The drive coupling assembly includes a first end portion and a second end portion, the first and second end portions mating with one another in the first position and disengaged from one another in the second position.

Abstract: A pump having an insert between an impeller and diffuser, where the insert includes an annulus that is in communication with fluid flow passages in the impeller and diffuser. The passages and annulus define a fluid flow path through the pump. Vanes are provided in the annulus that can pivot and vary the cross sectional area of the fluid flow path. Regulating the fluid flow path area alters the flow rate where the pump operates at its maximum efficiency. Thus by monitoring flow through the pump, the vanes can be adjusted so the flow rate of maximum efficiency corresponds to the actual flow rate.

Abstract: The present application provides a variable stator vane control system. The variable stator vane control system may include a variable stator vane positioned by an actuator and a trimmer motor, a resolver to determine a position of the variable stator vane, and a controller in communication with the resolver, the actuator, and the trimmer motor to prevent over travel of the variable stator vane.

Abstract: A gas turbine engine system includes a nacelle assembly, a core engine and a mixer disposed between the nacelle assembly and the core engine. The core engine includes a core passage and a core auxiliary duct passage. The core auxiliary duct passage includes an inlet for receiving a portion of a core airflow form the core engine and an outlet for discharging a portion of the core airflow received from the core engine.

Abstract: A turbine engine including a stator including variable-pitch vanes that are controlled stage by stage. An actuator ring connected by crank-arms to the variable-pitch vanes is coupled to at least one adjacent specific drive unit in a general form of an actuator.

Abstract: A variable inlet guide vane assembly includes a plurality of circumferentially spaced inlet guide vanes mounted to pivot to change an angle of the guide vanes relative to an air flow. An actuator actuates the plurality of inlet guide vanes to change the angle, and is positioned radially inward of the inlet guide vanes.

Abstract: A variable turbocharger including a turbine housing, a first scroll fluidly communicating with a turbine, a second scroll formed along an outside of the first scroll, wherein the first scroll and the second scroll are disposed within the turbine housing for exhaust gas to exhaust through the turbine, a partitioning unit for selectively separating the first scroll and the second scroll, and a a flux control valve disposed at the exhaust gas inflow portion and selectively coupled to the partitioning unit for blocking the exhaust gas from flowing into the second scroll. The variable turbocharger may prevent turbo lag at a low speed and be highly efficient at a high speed.

Abstract: A variable turbocharger including a turbine housing, a first scroll fluidly communicating with a turbine, a second scroll formed along an outside of the first scroll, wherein the first scroll and the second scroll are disposed within the turbine housing for exhaust gas to exhaust through the turbine, a partitioning unit for selectively separating the first scroll and the second scroll, and a flux control valve disposed at the exhaust gas inflow portion and selectively coupled to the partitioning unit for blocking the exhaust gas from flowing into the second scroll. The variable turbocharger may prevent turbo lag at a low speed and be highly efficient at a high speed.

Abstract: An axial-flow compressor with variable stator vanes located at a single stage can be modified by adding variable stator vanes to the axial-flow compressor so that the variable stator vanes are located at a plurality of stages. The axial-flow compressor includes stator vane rows located at the plurality of stages and include the variable stator vanes extending in a radial direction of the axial-flow compressor and rotating around rotary shafts of the variable stator vanes so as to adjust angles of the variable stator vanes; a plurality of rings are connected to the stator vane rows and drive and rotate the variable stator vanes of the stator vane rows that correspond to respective rings; a plurality of levers that correspond to the plurality of rings; a rotary shaft that holds the plurality of levers so as to enable the levers to pivot.

Abstract: A position adjustment device of a turbo compressor that supports an annular member of which at least a portion is capable of being disposed in a diffuser flow path and that can be disposed in and adjusts the height of the annular member. The position adjustment device has a plurality of lever mechanisms that each have a rod connected to the annular member and are disposed separated from each other in the circumferential direction; and a transmission mechanism that transmits a drive force that at least one of the plurality of lever mechanisms has received to the other lever mechanisms. The transmission mechanism has a substantially circumferential linkage in which an open section is partially provided.

Abstract: An axial-flow compressor has at least one stator vane row. At least one blade of the stator vane row is provided as a rotating unit (6), with the rotating unit being completely rotatable about a drive axis to act as a rotary compressor and with the drive axis being essentially vertical to a rotary axis of the axial-flow compressor.

Abstract: A gas turbine engine includes a fan, a bypass duct having a nozzle, through which fluid from the fan flows, and a variable area nozzle device located in the nozzle. The variable area nozzle device has an arcuate fairing having one end in slidable cooperation with the bypass duct. In a deployed position the area of the nozzle is reduced from that when stowed, thereby improving engine operability and efficiency.

Abstract: Expansion turbine having a variable nozzle mechanism comprises an adiabatic expansion device located in a vacuum container having a turbine impeller therein which rotates and drives the turbine impeller during adiabatic expansion of very low temperature gas, and varies the throat area of very low temperature gas introduced in the turbine impeller by driving a nozzle member disposed near the outside end of the adiabatic expansion device by a drive force from a driving member located outside the vacuum container; wherein the driving member comprises a cylindrical member disposed coaxially with the turbine impeller, and the nozzle member is provided on the extension of the body of the cylindrical member in the axial direction.

Abstract: A turbomachine including a variable-pitch stator vane stage is disclosed. A control ring that is coaxial around the casing includes two segments that are assembled together by side connection straps fastened on either side of the segments with mutual insetting and in the vicinity of the ends of the segments.

Abstract: The present invention relates to a fresh gas system (1) for supplying an internal combustion engine (4) with fresh gas, in particular in a motor vehicle, having a charging device (8) for increasing the pressure of the fresh gas and having a swirl generator (12), which is arranged upstream of the charging device (8), for generating a swirl, which rotates about the main flow direction of the fresh gas, in the fresh gas, wherein the swirl generator (12) has guide blades (14) with adjustable angle of incidence. In order to be able to produce the fresh gas system (4) more cost-effectively, the swirl generator (12) has a flow guide body (13) on which the guide blades (14) are integrally formed and which, in order to adjust the angle of incidence of the guide blades (14), can be twisted with elastic deformation about the main flow direction starting from an undeformed initial position.

Abstract: One embodiment of the present invention is a unique variable geometry vane system. Another embodiment is a unique gas turbine engine. Other embodiments include apparatuses, systems, devices, hardware, methods, and combinations for gas turbine engines and turbomachinery variable geometry vane systems. Further embodiments, forms, features, aspects, benefits, and advantages of the present application will become apparent from the description and figures provided herewith.

Abstract: An actuator module for a gas turbine engine includes a multiple of actuators mounted within a common actuator housing.

Abstract: A control device of variable pitch vanes in a turbomachine is disclosed. The control device includes a ring surrounding a casing of the turbomachine and connected by links to the variable pitch vanes, and a jack connected to the ring in order to displace it in rotation around the casing. The jack is mounted pivoting on the casing and its piston rod is connected to the ring by a connecting rod. The piston and connecting rods are articulated on an axis which is connected to the casing by a guiding device maintaining it at a substantially constant distance from the casing.

Abstract: The invention relates to a rotational device that is to be used in a fluid in order to generate power from the moving stream of a fluid or to convert energy into a motion of a fluid. Said rotational device comprises main rotating means which is fixedly connected to a central rotary shaft of the rotational device, one or several rotational surfaces which are mounted on the main rotating means so as to be rotatable about rotational surface rotary shafts spaced away from the rotary shaft such that the main rotating means are able to perform a rotational motion about the central rotary shaft by means of at least one rotational surface, the rotational surface rotary shafts extending parallel to the rotary shaft of the main body. A device is provided which adjusts an angle of the rotational surface relative to the direction of flow of the fluid in such way that the buoyancy principle is maintained on the rotational surface.

Abstract: Sectional profiles close to a tip 124 and a part between a midportion 125 and a hub 123 are shifted to the upstream of an operating fluid flow in a sweep direction. Accordingly, an S shape is formed in which the tip 124 and the part between the midportion 125 and the hub 123 protrude. As a result, it is possible reduce various losses due to shook, waves, thereby forming a transonic airfoil having an excellent aerodynamic characteristic.

Abstract: An exemplary variable geometry turbine includes a turbine wheel; a variable geometry assembly that includes a rotatable control ring that has a slot and a plurality of vanes where each vane has a post pivotably controlled by rotation of the control ring and where adjacent vanes define nozzles to direct exhaust gas to the turbine wheel; a crankshaft that has a pin for receipt by the slot of the control ring where rotation of the crankshaft rotates the control ring; and a center housing that includes a rotatable stop fixed to the crankshaft and having a close stop surface, a secure component and a translatable shaft where the translatable shaft comprises an engagement mechanism to engage the rotatable stop; where translation of the shaft causes rotation of the crankshaft and where the close stop surface establishes a contact with the secure component to limit rotation of the crankshaft and to establish a closed limit for the vanes. Various other exemplary methods, devices, systems, etc., are also disclosed.

Abstract: A centrifugal compressor for compressing gas has a casing, a rotary shaft, an impeller, a diffuser, a first scroll, a second scroll, a first passage, a second passage, and a switching member. The rotary shaft is supported by the casing. The impeller is rotatably fixed to the rotary shaft, and sends the gas radially outward to a flow path downstream thereof. The diffuser is formed around the impeller. The first scroll is formed around the diffuser. The second scroll is formed between the diffuser and the impeller. The first passage is formed from the impeller to the first scroll through the diffuser. The second passage is formed from the impeller to the second scroll. The switching member switches the flow path between the first passage and the second passage by opening and closing the diffuser.

Abstract: Expansion turbine having a variable nozzle mechanism comprises an adiabatic expansion device located in a vacuum container having a turbine impeller therein which rotates and drives the turbine impeller during adiabatic expansion of very low temperature gas, and varies the throat area of very low temperature gas introduced in the turbine impeller by driving a nozzle member disposed near the outside end of the adiabatic expansion device by a drive force from a driving member located outside the vacuum container; a plate member provided detachably in contact with the outside end of the body of the adiabatic expansion device, wherein the support side of the nozzle member is connected to and supported by the plate member, and the drive side of the nozzle member is connected to and supported by the driving member.

Abstract: A variable diffuser for a rotating machine includes a multiple of diffuser vanes mounted to a drive ring. The multiple of diffuser vanes are movable in unison between a maximum flow position and a minimum flow position in response to rotation of a crank to rotate the drive ring about a centerline through a link arm.