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| Number | Title | Issue Date |
| 8172517 | Passive guide vane control A system for passively controlling a variable position guide vane in a turbo-machine. The system includes a shaft rotatable about an axis with an airfoil connected thereto. The shaft is biased toward a closed position, but will open in response to fluid flowing thro... | 05/08/2012 |
| 7942632 | Variable-shape variable-stagger inlet guide vane flap A variable shape inlet guide vane (IGV) system includes a variable-shape IGV flap with a flexible portion that enables the desired spanwise distribution of Cx, alpha, and beta at a fan rotor inlet. An actuation system that rotates a root section of the variable-shap... | 05/17/2011 |
| 7258523 | Means to regulate water velocity through a hydro electric turbine A hydro electric turbine having a flexible, collapsible front shroud, the upstream open end of the front shroud being controlled by a draw line passing through purse rings, whereby the upstream end can be closed by drawing on the draw line, thereby stopping water fl... | 08/21/2007 |
| 7249930 | Variable-nozzle turbocharger with integrated bypass A turbine housing assembly includes a tubular piston disposed in a bore of a turbine housing and axially slidable between a closed position and an open position for blocking a nozzle by an amount dependent on axial positioning of the piston. A bypass control member ... | 07/31/2007 |
| 7182571 | Variable stator vane actuating levers A variable stator vane actuating lever (50) for use in a compressor (20) of a gas turbine engine (10). The lever (50) comprises a first end (52) for pivotal connection to a stator vane actuator ring (36) and a second end ( | 02/27/2007 |
| 7150151 | Method of controlling the exhaust gas temperature for after-treatment systems on a diesel engine using a variable geometry turbine A method for controlling a variable geometry turbine of a turbocharger to increase the temperature of the exhaust gas delivered to an after-treatment system. In one form the method includes reducing a fluid flow area to the turbine below a normal size and bypassing ... | 12/19/2006 |
| 7112039 | Variable vane electro-graphic thrust washer A method for improving the wear characteristics of a system for operating a variable vane comprising the steps of providing a trunnion connected to the variable vane via an vane platform and means for causing rotation of the trunnion, and positioning a thrust washer... | 09/26/2006 |
| 7074008 | Small-sized hydroelectric generator A rotator with an impeller and a stator generating an induced voltage are arranged in a casing. The tap water flowing flows through a main passage, which has a first jet orifice facing the impeller, and rotates the impeller. A bypass running from the inflow port and... | 07/11/2006 |
| 7044708 | Guide device for an exhaust gas turbocharger A guide device for an exhaust gas turbocharger has a geometry which is variable. The guide device includes guide blades, blade levers which are connected to particularly assigned guide blades in a rotationally fixed manner, and a setting ring in which the blade leve... | 05/16/2006 |
| 7025564 | Devices and methods for reducing or eliminating the gap between a stay vane and its corresponding wicket gate as used in turbines An improved design for turbines increases efficiency while reducing potential for fish kill. In an embodiment of the present invention as relates to Kaplan turbines, the gap between stay vanes and their corresponding wicket gates is reduced or eliminated by provisio... | 04/11/2006 |
| 6994518 | Pre-whirl generator for radial compressor A pre-whirl generating apparatus (26) is provided that employs deformable air deflecting vanes (46) adjacent the inlet (18) of a radial air compressor (12-22), which vanes (46) can be mechanically deformed to generate positi... | 02/07/2006 |
| 6899513 | Inflatable compressor bleed valve system A compressor bleed valve system for bleeding air from a gas turbine engine compressor comprises a bladder inflatable between at least a collapsed position and an expanded position for selectively opening and closing a compressor airbleed passage. ... | 05/31/2005 |
| 6799945 | Stator blade pivoting arrangement in a turbomachine A spring (15) of angular shape is placed between the lug (17) of a connecting rod (10) controlling the orientation of a stator blade and the pivot (3) of said blade, such that its edge (18) bends against one edge face (19) o... | 10/05/2004 |
| 6779971 | Turbine A turbine in which a turbine wheel is mounted in a housing between an inlet and an outlet. Rotatably mounted vanes are located in the inlet and coupled by linkages to an actuator which is displaceable relative to the vanes so as to control the angular orientation of... | 08/24/2004 |
| 6769449 | Water booster methods and apparatus Water is first caused to flow through a first passage and rotate a first impeller. Rotation of the first impeller is linked to rotation of a second impeller, which is in fluid communication with a second, discrete passage. Vanes on the second impeller are constraine... | 08/03/2004 |
| 6461104 | Flow regulator for a water pump A flow regulator for a water pump, comprising a control valve. The control valve is mounted on an inlet pipe of a water pump and has a chamber, housing a flat-shaped control plate, the upper part of which forms a piston plate, vertically gliding in an upp... | 10/08/2002 |
| 6350101 | Barrel pump The barrel pump has a tubular pump housing and a rotor shaft which is supported by a support tube and, at its bottom end, bears an elastic cone which has a circumferential groove which interacts with the opening edge of an inlet in the manner of a snap-ac... | 02/26/2002 |
| 6238178 | Water booster methods and apparatus Water is first caused to flow through a first passage and rotate a first impeller. Rotation of the first impeller is linked to rotation of a second impeller, which is in fluid communication with a second, discrete passage. Vanes on the second impeller are... | 05/29/2001 |
| 6062810 | Turbomolecular pump A turbomolecular pump evacuates gas in an apparatus (or a chamber) by means of a rotor having blades and/or spiral grooves which rotates at a high speed. The turbomolecular pump includes a casing housing a rotor and a stator therein, a pumping section com... | 05/16/2000 |
| 5941684 | Variable geometry turbine A variable geometry turbine comprising a housing, a turbine wheel mounted to rotate about a pre-determined axis within the housing, and a gas inlet passage to the turbine. The gas inlet passage is defined between a fixed wall and an annular sidewall which... | 08/24/1999 |
| 5498128 | Radial-flow exhaust gas turbocharger turbine with adjustable guide vanes In a radial-flow exhaust turbocharger turbine with a row of individually adjustable guide vanes (18), said guide vanes can be turned by means of an adjusting shaft (19) supported in a casing (14). Each adjusting shaft (19) is actuated by means of a pivoti... | 03/12/1996 |
| 5472314 | Variable camber turbomachine blade having resilient articulation A variable camber vane for a turbomachine comprises leading and trailing edge parts, at least one of which is pivotable relative to the other, and a resilient joining part inserted into a space provided between the leading and trailing edge parts, the joi... | 12/05/1995 |
| 5215434 | Apparatus for the adjustment of stator blades of a gas turbine Apparatus for the support and adjustment of stator blades of a gas turbine, in which an adjusting ring is connected to the stator blades by adjustment levers disposed outside the turbine housing. The adjusting ring is supported for rotation in the circumf... | 06/01/1993 |
| 5211530 | Variable breadth impeller that provides a specific shutoff head In accordance with the present invention, an improved variable breadth imler for use in a variable capacity centrifugal pump and a method for adapting a variable capacity centrifugal pump to produce a specific predetermined shutoff head are provided. The... | 05/18/1993 |
| 5178513 | Turbine nozzle phasing device Turbine nozzle phasing device for controlling a flow of gasses to a plurality of nozzles in response to a control signal. The turbine nozzle phasing device includes a housing having a lower portion which includes a first plenum for receiving the flow of h... | 01/12/1993 |
| 5169286 | Variable capacity centrifugal water pump with movable pressure chamber formed by impeller This invention relates to an improvement on a centrifugal pump including: a casing defining an inlet path extending at the axial portion thereof, a turbine chamber communicating with the inlet path, and an outlet path disposed at the outer periphery porti... | 12/08/1992 |
| 5039277 | Variable stator vane with separate guide disk A variable vane assembly for a gas turbine engine is disclosed having a disk member bearing against a recess formed in the inner surface of the gas turbine engine casing is formed separately from the vane. The disk member has a diametrical notch that acco... | 08/13/1991 |
| 5035572 | Arrangement for adjusting guide blades An arrangement for adjusting guide blades by thermal expansion has an expansion rod which has a significantly different coefficient of linear expansion with respect to the supporting housing and is aligned in the circumferential direction of the turbo-eng... | 07/30/1991 |
| 4984965 | Variable geometry turbine inlet wall mounting assembly A mounting assembly for a movable annular wall member of an inlet passageway of a variable geometry turbine. The inlet passageway is defined between the movable wall and a facing wall. The wall member is formed from a sheet material and is supported on a ... | 01/15/1991 |
| 4884944 | Compressor flow fence A flow fence for a turbo fan jet engine, as taught by Stein et al. in U.S. Pat. No. 3,841,790, is modified by the provision of serrations about its internal circumference. Thus, when the modified flow fence is inserted into or removed from the flow field,... | 12/05/1989 |
| 4874288 | Inlet guide vane assembly An inlet guide vane assembly for a pump or a compressor having rotary blades. The guide vanes pivot in a controlled manner so that a portion of the vanes can be inserted into or withdrawn from the inlet passageway of the pump or the compressor by pivoting... | 10/17/1989 |
| 4810165 | Adjusting mechanism for guide blades of turbo-propulsion units An adjusting mechanism for pivotal guide blades of turbo-propulsion units in which a rotatable adjusting ring is supported in a concentric support ring. The support ring is heat-insulatingly connected with the turbine housing by way of several connecting ... | 03/07/1989 |
| 4767264 | Vane lever arm construction A vane lever arm for the variable stator/vane assembly of a gas turbine engine that is fabricated from sheet metal and has a flexible thin section to allow out of plane movement and a rigid thicker end for supporting the pin attached to the synchronous ri... | 08/30/1988 |
| 4764088 | Inlet guide vane assembly An inlet guide vane assembly for a pump or a compressor having rotary blades. The guide vanes are pivotably disposed so that a portion of the vanes can be inserted into or withdrawn from the inlet passageway of the pump or the compressor by pivoting the g... | 08/16/1988 |
| 4741665 | Guide vane ring for turbo-engines, especially gas turbines A guide vane for turbo-engines has a stationary vane section and a movable vane section with a gap between the two sections. The gap is covered on one side by a flexible band connected along its tape edges to the vane sections. The other side of the gap i... | 05/03/1988 |
| 4695220 | Actuator for variable vanes Disclosed is an actuator for rotating a plurality of circumferentially spaced variable vanes each having a spindle extending through a casing about which the vane is rotatable. The actuator includes an arcuate unison member and a plurality of levers each ... | 09/22/1987 |
| 4668165 | Super gripper variable vane arm A variable vane assembly is disclosed which entails a vane arm which integrally engages with a vane stem without the use of threaded fasteners. The vane stem has a tip with parallel slots on opposite sides which are spaced below the end of the tip. At the... | 05/26/1987 |
| 4527949 | Variable width diffuser A centrifugal machine having a variable diffuser that includes a radially disposed fixed wall and an opposed movable wall defining the diffuser passage. Guideways are formed in the movable wall in which a series of diffuser vanes are slidably mounted. A s... | 07/09/1985 |
| 4390319 | Turbine exhaust hood A turbine exhaust hood has a flow passage (2) which accommodates a guide member (6) and a deflector (8). The deflector (8) is made from a resilient material and has, when in initial position, a form of a ring with a radial slit, with the axis of said ring... | 06/28/1983 |
| 4363600 | Variable vane mounting An improved mounting arrangement for an adjustable stator vane of a turbomachine, the vane having a shaft portion projecting through an outer casing of the turbomachine and an annular button portion disposed against a thrust bearing on the inside of the o... | 12/14/1982 |
