| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 415129000 | RUNNER OR BLADE SELECTIVELY ADJUSTABLE RELATIVE TO CASING | 26 |
| 20080273965 | System and method for controlling stator assemblies - A variable vane control system for use with a gas turbine engine includes a plurality of vanes, an actuation assembly, a mechanical linkage assembly, and a sensor. Each of the plurality of vanes has an airfoil portion disposed in a gas flowpath of the gas turbine engine, and a position of each of the vanes is adjustable with respect to an angle of attack of the airfoil portion of each vane. The actuation assembly is configured for generating actuation force to position the plurality of vanes. The mechanical linkage assembly operably connects the actuation assembly to at least one of the plurality of vanes. The sensor is configured to sense at least one of the position of the airfoil portions of the plurality of vanes and the mechanical linkage assembly, and to generate a position output signal. | 11-06-2008 |
| 20090232641 | Fluid-Type Absorption Dynamometer Having an Enhanced Power Range - A fluid-type absorption dynamometer that includes a rotary impeller and one or more of a variety of features that enhance the shaft-horsepower range for which the dynamometer can be used. One of these features is a variable restriction intake that allows a user to adjust the flow of fluid to the impeller. Other features are a unique impeller shroud and an shroud guide that are each movable relative to the impeller to allow a user to adjust flow characteristics at the exhaust and blade regions of the impeller. Yet another feature is a set of exhaust baffles that facilitate an increase in the range of shaft power ratings of the device and the reduction of deleterious vibration and noise. The dynamometer also includes impeller blades having a unique configuration that cooperates with the shroud guide to enhance flow through the dynamometer. | 09-17-2009 |
| 20100054922 | TURBINE AIRFOIL CLOCKING - A method of operating a turbine engine, wherein the turbine engine includes at least three successive axially stacked rows of airfoils in one of a compressor and a turbine: a first airfoil row, a second airfoil row, and a third airfoil row. The first airfoil row and the third airfoil row both may comprise one of a row of rotor blades and a row of stator blades, and the second airfoil row comprises the other. The method includes: configuring the airfoils of the first airfoil row and the airfoils of third airfoil row such that at least a portion of the airfoils of the first airfoil row and at least a portion of the airfoils of the third airfoil row comprise a clocking relationship of between 25% and 75% pitch. | 03-04-2010 |
| 20100068038 | FAN ASSEMBLY - One embodiment of a fan assembly includes a housing having a base member and a lip member extending outwardly from the base member for defining an enclosure. The fan assembly may further include a toothed track assembly, a wheel assembly, a first motor, a second motor, and a fan member. The toothed track assembly includes a toothed track member disposed within the enclosure. The wheel assembly includes a pair of toothed wheels adapted to move on the toothed track member. The first motor is operatively coupled to the wheel assembly and is capable of rotating the pair of toothed wheels. The fan member is coupled to the wheel assembly, such that the fan member moves along the toothed track member when the first motor rotates the pair of toothed wheels on the toothed track member. The second motor is operatively coupled to the fan member for rotating the fan member. | 03-18-2010 |
| 20110070071 | Vortical wind energy apparatus - A vortical energy wind apparatus translates wind gusts to vertical air streams that disrupt the streams of air in the atmosphere that pose high tornado-risks. The apparatus comprises a lower half-spheroid part and an upper half-spheroid part both placed by their convexities to each other. A toroidal-shaped axial-symmetric core has a set of curved blades is attached to the core. | 03-24-2011 |
| 20110150633 | INTERMEDIATE FAN STAGE - A fan system is disclosed having a forward fan stage configured to pressurize an airflow and an aft fan stage having a tip-fan configured to pressurize a first portion of a pressurized air flow from the forward fan stage wherein the aft fan stage is driven by a second portion of the pressurized airflow. | 06-23-2011 |
| 20120034070 | Circumferential ring propulsors and control assemblies for manned or unmanned underwater vehicles - A propulsor and control system for an underwater vehicle ( | 02-09-2012 |
| 20120039706 | COMPRESSOR HAVING A GUIDE VANE ASSEMBLY WITH A RADIALLY VARIABLE OUTFLOW - A compressor is disclosed. The compressor has at least one guide vane assembly which can be adjusted to change the outflow angle, and a rotor which is connected downstream of the guide vane assembly. The guide vane assembly and rotor are arranged between a housing and a hub of the compressor. The guide vane assembly is divided in the direction of extension from the housing to the hub into two or more sections which can be radially adjusted relative to one another, or has a clearance radially in the direction of extension, the clearance allowing a substantial amount of flow to pass. | 02-16-2012 |
| 20140193242 | FAN MODULE - A fan module including a first fan, a second fan and a actuator is provided. The first fan has a first pivot portion and a plurality of first fan blades. Each first fan blade has a first blade face. The second fan has a second pivot portion and a plurality of second fan blades corresponding to the first fan blades. Each second fan blade has a second blade face. The second pivot portion is slidably disposed at a containing cavity of the first pivot portion. The actuator is adapted to drive the first fan to rotate. The first fan is adapted to drive the second fan to rotate. When the second pivot portion protrudes out of the containing cavity, a part of each of the second blade faces does not overlap with the corresponding first blade face along a direction perpendicular to the corresponding first blade face. | 07-10-2014 |
| 20150336648 | Assembly for Retractable Thruster - An assembly for a retractable thruster suitable for attachment to the hull of a maritime vessel. The assembly comprises a thruster accommodating structure from which the thruster may be deployed into and retracted from the water. The thruster accommodating structure is provided with a drive assembly that suspends the thruster and further comprises a thruster deploying and retracting device, a thruster rotating device, a motor assembly, and a switching device. The same drive assembly is used for deploying, retracting, and rotating the thruster. | 11-26-2015 |
| 20160025062 | WATER TURBINE - A water turbine, such as a pump turbine, includes an impeller and a guide wheel that are adjustable. By adjusting the angles of the impeller blades or the guide vanes, such as beyond a range of 180 degrees and 90 degrees, respectively, the water turbine may be adjusted to switch between power generation and pumping, and for tidal flow. | 01-28-2016 |
| 20180023532 | REVERSIBLE WATER PUMP AND HYDROTURBINE | 01-25-2018 |
| 415130000 | Relatively angularly adjustable plural blades or runners | 6 |
| 20090097966 | Gas Turbine Engines and Related Systems Involving Variable Vanes - Gas turbine engines and related systems involving variable vanes are provided. In this regard, a representative vane assembly for a gas turbine engine includes: a first inner diameter platform; a first outer diameter platform spaced from the first inner diameter platform; and a variable vane airfoil rotatably attached to and extending between the first inner diameter platform and the first outer diameter platform such that at least a portion of the vane airfoil extends beyond a periphery of at least one of the first inner diameter platform and the first outer diameter platform. | 04-16-2009 |
| 20130183143 | SEALING DEVICE HAVING A SLEEVE FOR THE PASSAGE OF A CONNECTING ROD OF A SYSTEM FOR CONTROLLING THE ORIENTATION OF THE BLOWER BLADES OF A TURBOPROP ENGINE THROUGH A PARTITION - A sealing device for passing a connecting rod of a system for controlling a pitch of fan blades of a turboprop through a partition. The device includes a tube for fastening to the partition that is to be sealed, and a frustoconical sheath through which the connecting rod is to pass, the sheath configured to slide axially inside the tube and including, at its wider end, a sealing mechanism co-operating with the tube, and, at its narrower end, a leaktight fastener fastening to a corresponding end of the connecting rod. | 07-18-2013 |
| 20130315716 | TURBOMACHINE HAVING CLEARANCE CONTROL CAPABILITY AND SYSTEM THEREFOR - A turbomachine having clearance control capability is provided and includes a turbine stage including a blade configured to rotate around a centerline, a movable portion of a casing circumferentially surrounding the turbine stage and a rotatable cam operably coupled to the movable portion and thereby configured to control an axial position of the movable portion. A radially outermost tip of the blade and an interior surface of the movable portion are sloped with respect to the centerline such that the controlled axial position of the movable portion is determinative of a clearance between the blade and the movable portion. | 11-28-2013 |
| 20140010637 | TORQUE BOX AND LINKAGE DESIGN - An assembly includes a torque box and a first bell crank. The torque box has a housing with an interior cavity. The first bell crank is pivotally supported from the housing and extends through the interior cavity. The first bell crank has three arms for transferring an actuating force to a plurality of variable guide vanes for positioning the guide vanes within a gas turbine engine. | 01-09-2014 |
| 20150336679 | PROPULSION UNIT WITH A PAIR OF PROPELLERS FOR AN AIRCRAFT - The present invention relates to a propulsion unit comprising a pair of contra-rotating coaxial propellers, that are referred to as upstream ( | 11-26-2015 |
| 20160195065 | Vertical axis wind turbine | 07-07-2016 |
| 415131000 | Axially adjusted | 6 |
| 20080199306 | TURBOMACHINE CASING WITH TREATMENT, A COMPRESSOR, AND A TURBOMACHINE INCLUDING SUCH A CASING - The invention relates to a casing supporting series of stationary vanes between which there are disposed series of moving blades movable in rotation about a longitudinal axis, the radially outer ends of said moving blades being close to the inside face of the casing. In characteristic manner, the casing includes, at least over an annulus situated facing one of the series of moving blades, at least one casing treatment zone facing towards the blades and including at a surface relief disturbance in the form of a groove of closed outline. The invention is applicable to controlling rotating separation in a turbomachine compressor. | 08-21-2008 |
| 20080247865 | Device and Method for Axially Displacing a Turbine Rotor - A device and method for axially displacing at least one turbine rotor relative to at least one corresponding turbine stator in a multistage axial turbine is disclosed. The turbine shaft is provided with a split design and has a first axially displaceable shaft half, which is connected via a turbine disc to the turbine rotor and via a torque coupling to the second shaft half. By axially displacing the turbine rotor relative to the turbine stator and by controlling this axial displacement, the operation of the turbine is held in its possible optimum of efficiency. | 10-09-2008 |
| 20160101839 | RETRACTABLE THRUSTER - A propulsion assembly of a ship or floating platform includes a housing within a hull or platform. The housing is watertight except for an opening external to the hull. A stationary motor is arranged in the hull external to the housing. A thruster is external to the hull to generate thrust on the ship or floating platform. A telescopic driving shaft passes sealingly through a housing wall to connect the motor and the thruster and to transmit movement from the motor to the thruster. The thruster retracts within the housing through the opening. A separate submersible movable hatch is disconnectable from the thruster and the housing and passes externally to the hull, and seals the opening to form a watertight closed chamber. A fluid evacuation device evacuates fluid within the closed chamber so the thruster, when retracted in the housing and closed by the hatch, forms the closed chamber. | 04-14-2016 |
| 20160115857 | VARIABLE FAN IMMERSION SYSTEM FOR OPTIMAL FAN EFFICIENCY - A vehicle cooling system is provided having a heat exchanger, a cooling fan, and a fan shroud. The vehicle cooling system has a variable cooling fan immersion system that uses a control system and a variable cooling fan immersion depth adjustment mechanism to control the percentage of cooling fan immersion into the space enclosed by the fan shroud. The variable cooling fan immersion system is used to maximize the efficiency of a variable pitch cooling fan, a variable speed cooling fan drive, or both. | 04-28-2016 |
| 415132000 | Shaft end supported on movable bearing | 2 |
| 20080213086 | Apparatus For Supporting a Rotating Shaft - An apparatus for supporting a rotating shaft comprising: a housing surrounding the shaft; interposed between the housing and the shaft a plurality of tilting pads which extend in contiguous manner circumferentially around the shaft, each tilting pad being able to rock in the rotation of the shaft; and interposed between each pair of adjacent tilting pads retaining means for preventing circumferential movement of the pads around the housing due to rotation of the shaft, wherein the physical relationship between at least one tilting pad and its adjacent retaining means is such that said rocking of the pad takes place without circumferential slippage of the pad around the housing. | 09-04-2008 |
| 20140241862 | CONTROLLABLE COOLANT PUMP - A controllable coolant pump for a coolant circuit of an internal combustion engine. The coolant pump has a hollow bearing shaft which is supported in a bearing sleeve, carries a drive wheel at one end, and is permanently connected to an impeller at its opposite end, the impeller having a stop surface at the end face thereof. The space between the stop surface and the impeller forms the pumping cross section for a coolant. A piston that can be axially displaced by an actuation unit is 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 coolant pump has a second actuation unit, and the piston can be displaced by the first or second actuation unit. | 08-28-2014 |
| 415133000 | Radially adjusted or centered shaft | 2 |
| 20110286835 | TURBOMACHINE HAVING A COMPENSATING PISTON - A turbomachine including a compensating piston that is sealed by means of a seal with respect to a stator is provided. Conventional compensating pistons consume significant amounts of process fluid, which can cause a considerable loss of efficiency. The turbomachine provides the solution in that the stator partially carrying the seal is designed to be axially moveable in the housing such that the permeability of the seal can be changed in this way. | 11-24-2011 |
| 20160053768 | FLUID PUMP HAVING AT LEAST ONE IMPELLER BLADE AND A SUPPORT DEVICE - The invention relates to a fluid pump comprising at least one impeller blade ( | 02-25-2016 |
