Entries |
Document | Title | Date |
20090047118 | COUNTER-ROTATING AXIAL-FLOW FAN - A first motor rotates, in one of two rotating directions, the first impeller including a plurality of front blades in a suction opening portion of a housing. The second motor rotates, in the other rotating direction opposite to the one rotating direction, the second impeller including a plurality of rear blades in a discharge opening portion of the housing. A plurality of stationary blades are arranged between the first impeller and the second impeller in the housing. When the number of the front blades is N, that of the stationary blades is M, and that of the rear blades is P, their relationship is defined as N>P>M. A length L | 02-19-2009 |
20090162187 | COUNTER-ROTATING COMPRESSOR CASE AND ASSEMBLY METHOD FOR TIP TURBINE ENGINE - A tip turbine engine ( | 06-25-2009 |
20090274547 | Rotating unit for an axial-flow compressor - An axial-flow compressor has at least one stator vane row. At least one blade ( | 11-05-2009 |
20090285669 | Fan array fan section in air-handling systems - “A fan array fan section in an air handling system includes a plurality of fan units arranged in a fan array and positioned within an air handling compartment. One preferred embodiment may include an array controller program to operate the plurality of the fan units at peak efficiency. The plurality of fan units may be arranged in a true array configuration, a space pattern array configuration, a checker board array configuration, rows slightly offset configuration, columns slightly offset configuration, or a staggered array configuration.” | 11-19-2009 |
20100068030 | Wind Energy System - A wind energy system | 03-18-2010 |
20100104417 | DUAL ROTOR WIND TURBINE - Provided is a dual rotor wind turbine having two rotor assemblies. In the dual rotor wind turbine, an inlet guide vane is placed at a lower location in front of each rotor assembly and a rotor shaft of the rotor assemblies is placed in back of a vertical shaft, so that the rotor shaft is offset from the vertical shaft. Thus, the gravity center of the wind turbine is located in a lower portion of the wind turbine, so that a stable balance of the wind turbine can be realized and the vertical shaft can be smoothly rotated relative to a fixed shaft. | 04-29-2010 |
20100143096 | Wind manipulator and turbine - A vertical axis turbine machine for converting fluid flow into rotational energy and having a housing with an inlet, a turbine rotor having two spiral turbine blade sets, namely an upper blade set and a lower blade set, mounted on a common vertical axis in the housing, and in which the upper blade set twists in one direction and in which the lower blade set twists in the opposite direction, the upper and lower blade sets meeting at a central area of the rotor midway between top and bottom, and flow guides in the housing guiding incoming fluid flow onto the turbine rotor, and the rotor being surrounded by a plurality of impeller vanes extending vertically within the housing, and the housing having upper and lower outlet ducts, and outlets rearwardly of said housing. | 06-10-2010 |
20100183425 | Blower - A blower apparatus comprises a box-like main frame provided with a main-frame inlet port and a main-frame outlet port in positions confronting each other, and a plurality of centrifugal blower units for suctioning through a blower inlet port air taken inside of the main frame from the main-frame inlet port and discharging the air from a blower air outlet toward the main-frame outlet port. The main frame is provided with a maintenance opening in one of the surfaces other than the surfaces having the main-frame inlet port and the main-frame outlet port for the purpose of checking the inside of the main frame, and the plurality of centrifugal blower units are disposed one another in a direction toward the maintenance opening so that a difference in discharging spatial distances from the blower air outlets of the adjoining centrifugal blower units to the main-frame outlet port is equal to or greater than an outer diameter of an impeller of the centrifugal blower unit located nearest to the maintenance opening. | 07-22-2010 |
20100278630 | POWER GENERATION ASSEMBLIES, AND APPARATUS FOR USE THEREWITH - A floating power generation assembly comprises at least three floating units ( | 11-04-2010 |
20110064561 | FAN MODULE FOR DISSIPATING HEAT - A fan module includes a framework and at least two blade assemblies arranged inside the framework. Each blade assembly includes at least two blade units arranged in line. The rotating direction of each blade assembly is opposite to that of adjacent blade assembly. | 03-17-2011 |
20110229304 | Vertical axis wind turbine system - A wind turbine system utilizes three vertical shaft rotor units, each rotor unit consisting of three blades. The rotor units are synchronized such that the blades of each unit are maintained at twenty degree intervals, so as to capture head on wind at maximum efficiency. The front rotor unit comprises baffles which appropriately redirect airflow to the rotor units. A stabilizing fin is provided to ensure that the wind turbine system is always headed into the prevailing wind. The system achieves near one hundred percent efficient use of ongoing ambient wind. | 09-22-2011 |
20110280709 | WIND-GAS ENGINE ASSEMBLY AND MOTOR VEHICLE WITH THE SAME - A wind-gas engine assembly and a motor vehicle with the same are provided. The wind-gas engine assembly comprises a high pressure gas engine ( | 11-17-2011 |
20120087776 | MULTI-INLET VACUUM PUMP - A multi-inlet vacuum pump has a first pump device ( | 04-12-2012 |
20120301274 | FAN ASSEMBLY - A fan assembly including a housing, a supporting member, a driving device and a passive impeller. The supporting member is disposed in the housing, and the driving device is disposed on the supporting member. The passive impeller includes a first hub and a plurality of first passive blades encircling the first hub. The active impeller includes a second hub and a plurality of active blades encircling the second hub and actuated to rotate by the driving device. In an axial direction, the first hub is disposed between the driving device and the second hub, and through rotation of the active impeller, airflow is produced which actuates the passive impeller to rotate. | 11-29-2012 |
20130129478 | GAS TURBINE ROTOR COMPRISING AN AXIALLY DISPLACEABLE TURBINE ROTOR SHAFT - A gas turbine rotor for a gas turbine is provided. The gas turbine rotor includes a compressor rotor shaft, a turbine rotor shaft and a coupling device frictionally connecting the two rotor shafts, wherein the coupling device is designed in such a way that the friction connection also exists when the two rotor shafts are displaced relative to one another. In this case, the turbine rotor shaft is lengthened at the end facing the compressor rotor shaft in such a way that said turbine rotor shaft overlaps with the compressor rotor shaft in the axial direction and the coupling device connects this lengthened end of the turbine shaft to the compressor rotor shaft in the radial direction. | 05-23-2013 |
20130142622 | Water Pump for Vehicle - A water pump for a vehicle may include a water pump housing, a water pump drive shaft, a bearing, a first rotation plate connected to one end of the water pump drive shaft, a first magnet mounted on one surface of the first rotation plate, an impeller rotation shaft coaxially disposed with the water pump drive shaft, an impeller bearing rotatably enclosing an exterior circumference of the impeller rotation shaft, a second rotation plate connected to one end of the impeller bearing, a second magnet mounted on one surface of the second rotation plate, and an impeller connected to the other end of the impeller bearing, wherein the one surface of the first rotation plate and the one surface of the second rotation plate may be disposed apart from and face each other, and facing poles of the first and second magnets may be different from each other. | 06-06-2013 |
20130149104 | RECIRCULATION FAN AND FAN ASSEMBLY THEREOF - A recirculation fan includes a casing, a covering member, and a fan assembly. The casing has a base. The covering member is coupled with the casing to define an accommodation space. The fan assembly is disposed within the accommodation space, and includes a first impeller, a second impeller, a motor, and a plurality of magnetic elements. The second impeller is located beside the first impeller. The motor is fixed on the base of the casing and connected with the first impeller for driving rotation of the first impeller. The magnetic elements are arranged between the first impeller and the second impeller. A wind force generated by the first impeller and a magnetic torque resulted from a magnetic vortex of the magnetic elements cause contactless rotation of the second impeller. | 06-13-2013 |
20130156545 | DUAL-FLOW CENTRIFUGAL PUMP - A double-flow centrifugal pump is disclosed, in which, using an impeller, a fluid can be suctioned from two axial sides from a negative pressure area and can be delivered in the radial direction into a positive pressure area. The negative pressure area is sealed off with respect to the positive pressure area by at least one stationary pump component, for example the pump housing and/or an insert part. According to the invention, sealing gaps are formed as axial gaps arranged axially between the impeller and the pump component and extending in the circumferential direction and in the radial direction, wherein the gap width(s) of said axial gaps is less than the radial spacing (a) of the impeller from all the components arranged with a radial spacing from the impeller. | 06-20-2013 |
20130287544 | FAN ASSEMBLY - A fan assembly includes a guide rail, a number of fan brackets slidably mounted to the guide rail, an air blocking member slidably mounted to the guide rail to fill a space between two fan brackets, and a number of fans correspondingly fixed to the fan brackets. To relocate the fans, the fan brackets and the air blocking members are slid out of the guide rail and are remounted to the guide rail in a different order. | 10-31-2013 |
20130315705 | Motor Device - Provided is a motor device capable of suppressing undesired vibrations occurring at the time of starting a motor, by canceling a torque in a motor device system so as to reduce a reaction torque acting on a motor base. The motor device is equipped with a dual axis motor having first and second rotating shafts and projecting at either end, a rotational direction converter having an input shaft to which the torque of the dual axis motor is inputted and an output shaft that outputs the torque by rotating in a direction opposite to that of the input shaft, and a flywheel provided at an end portion of the first rotating shaft, for balancing out the reaction torque acting on the input shaft and the output shaft of the rotational direction converter when the dual axis motor rotates. | 11-28-2013 |
20130315706 | POWER STEERING PUMP AND WATER PUMP ASSEMBLY - A power steering pump and water pump assembly is disclosed. The assembly includes a power steering pump with a rotating shaft and a water pump. The water pump has a housing and a rotatable shaft for driving an impeller, which is mounted on an inner end of the shaft. An outer end of the water pump shaft engages the shaft of the power steering pump, and the power steering pump shaft drives the water pump shaft. The water pump may include a seal and a bearing having an inner race and outer race for supporting an outer end of the water pump shaft and cantilevering the shaft to support and journal the impeller. The shaft of the power steering pump may engage the shaft of the water pump through engagement of male and female torque transmitting profiles that axially slide together. | 11-28-2013 |
20140030060 | GEARED FAN WITH INNER COUNTER ROTATING COMPRESSOR - A gas turbine engine comprises a fan section including a fan hub supporting a plurality of fan blades for rotation relative to a fan case, a shaft rotatable relative to the fan case about an engine center axis, and a geared architecture driven by the shaft to provide driving output to rotate the fan hub. A compressor is positioned forward of the geared architecture and radially inward of the fan blades, with the compressor being driven by the shaft. | 01-30-2014 |
20140037427 | Livestock Cooling Fan System - A fan cooling system has individual fan modules which are connected together in an end-to-end configuration, where one of the fan modules is connected to a mechanism which rotates the linear array of fan modules. The fan modules are substantially identical, which allows prefabrication of the fan modules prior to on-site installation of the system. Each fan module may contain water injection piping and nozzles, which allows the fan cooling system to dispense fog. The linear array of fan modules may be rotated along a longitudinal axis, such that the axial flow direction of the fans may be changed with respect to a vertical plane. A suggested use of the fan cooling system is for the cooling of livestock in large livestock structures. | 02-06-2014 |
20140178177 | WATER FLOW POWER GENERATION APPARATUS - Water flow power generation apparatus, comprises bracket, water wheels, transmission and generator driven by the water wheels, said bracket has at least one, and the bracket includes an upper bracket and a lower bracket, a sharp-angled shape rectifier object A is fixed at the water inlet end of the water wheels between the upper bracket and the lower bracket. the transmission and the generator are located above the upper bracket, there are at least two reverse direction rotating water wheels fixed between the upper bracket and the lower bracket, the vanes of the adjacent water wheels are interlaced arranged, and the same end of each water wheel is fixed with some synchromesh gears respectively, under the effect of the synchromesh gears, each water wheel can rotate inversely at the same time, and it will not lead to the situation that the vanes of the adjacent wheels crashing and disturbing each other, so as to keep each water wheel working independently at the same time; thus, and the torque force of each wheel can be passed on to the generator to produce power, which can not only improve the utilization ratio of water power, but also improve the generating efficiency; moreover, the whole generating apparatus is of simple structure, low cost for design and manufacture and easy installation, and applicable to various water flow. | 06-26-2014 |
20140241854 | ACTIVE TURBINE OR COMPRESSOR TIP CLEARANCE CONTROL - A gas turbine engine includes an annular plenum defined with an outer skin and a perforated inner skin for receiving selective air flow to impinge a support case which supports shrouds of the rotor assemblies of the engine therein for active tip clearance control of the rotor assemblies. In one embodiment a bobbin-type transfer tube for supplying cooling air into the plenum, is provided between an outer case of the engine an the plenum such that the thermally induced relative movement of the outer case and the plenum is permitted. | 08-28-2014 |
20140241855 | RUN-OF-THE-RIVER OR OCEAN CURRENT TURBINE - A run-of-the-river or ocean current turbine may comprise a hatch and a slanted block having protector ribs for directing water flow to a waterwheel. The hatch may be controlled by a plurality of Transgear™ gear assemblies for varying the amount of water flow to the waterwheel from extreme drought to flood conditions so that the waterwheel may turn at rated speeds and within a predetermined range. The Transgear gear assemblies may comprise an accumulator for accumulating a rough and a fine tuned waterwheel speed. The Transgear assemblies may comprise embodiments of power take-off switches for, for example, bi-directional or clockwise and counterclockwise waterwheel shaft rotation. The turbine may be aligned for top-feed, side-feed or bottom feed of water and may comprise a tail wing or first and second turbines facing in opposite directions to capture high and low tidal flow. | 08-28-2014 |
20140248124 | REACTIVE TURBINE APPARATUS - The present invention relates to a reactive turbine apparatus that is easy to assemble. To this end, the reactive turbine apparatus includes: a rotation shaft formed of a certain length; a housing defining an inner space so as to be rotatably coupled to the rotation shaft, having an inlet formed through one side thereof through which working fluid can enter, and having an outlet formed through the other side thereof so that working fluid can be discharged to the outside; and at least one rotation unit disposed in the housing and coupled to the rotation shaft, disposed in a lengthwise direction of the rotation shaft, and rotating the rotation shaft by means of the working fluid that enters from the inlet of the housing and is discharged, wherein working fluid is prevented from leaking between the peripheral surface of the at least one rotation unit and the inner surface of the housing during the rotation of the rotation unit. | 09-04-2014 |
20140271123 | TWO PUMP DESIGN WITH COPLANAR INTERFACE SURFACE - A multi-pump apparatus includes a first component in a fluid heat transfer system, such as a heat exchanger, the first component including a body portion forming a first interface surface. A pumping component includes a second interface surface. The first and second interface surfaces are planar and combine to define two pump cavities and a planar interface groove supporting a seal ring that extends around the two pump cavities to prevent leakage of fluid from the pump cavities. The pumping component includes a pump impeller in each of the pump cavities and independently-controlled separate motors driving the two pump impellers using an on-board circuit board. One of the first and second components also defines a fluid inlet to and a fluid outlet from each of the pump cavities. Related methods are also defined. | 09-18-2014 |
20140271124 | Double Paddle Mechanism for Pool Cleaner - Embodiments of the invention provide a paddle wheel mechanism for a pool cleaner. The paddle wheel mechanism includes a housing, a paddle wheel shaft supported by the housing, a first paddle wheel, and a second paddle wheel. The housing directs fluid from a fluid path of the pool cleaner into a first flow path and a second flow path. The first paddle wheel is supported by the paddle wheel shaft and is positioned within the housing along the first flow path. The second paddle wheel is supported by the paddle wheel shaft and is positioned within the housing along the second flow path. The first paddle wheel rotates responsive to fluid directed along the first flow path, and the second paddle wheel rotates responsive to fluid directed along the second flow path. | 09-18-2014 |
20140341709 | DOUBLE IMPULSE TURBINE SYSTEM - A double impulse turbine system to convert the energy of flowing fluid into electricity is provided. The system takes fully advantage of the high efficiency and compactness provided by contra-rotating permanent magnet generators to produce electricity. It is composed of two impulse turbines, rotating in opposite directions and coaxially connected to a central contra-rotating generator. In function, a fluid flow is divided into secondary flows oriented directly and tangentially toward the turbines for a maximum energy transfer. The system comes with turbines having different bucket designs adapted for uses in particular environments. Special housings or turbine chambers are designed to carry the turbines and enable the conversion of the energy of a fluid flowing in pipes into electricity. This double impulse turbine system can be used to convert into electricity the energy of any fluid flowing in-pipe as a flow or as a jet. It is provided to be used in and out urban environments in water supply distribution and wastewater piping systems or hydroelectric plants in different conditions, such as presence or not of floating debris, flow rate or pressure. | 11-20-2014 |
20140369808 | MODULAR CROSS-FLOW-FAN DEVICE - A modular cross-flow-fan device comprises a housing, at least two cross flow fans and a motor. The housing is an extruded aluminum piece having a first wall and a second wall, and is formed with an air inlet and an air outlet. The cross flow fans are disposed in the housing and connected to each other. The motor is disposed on the housing and is connected to at least one of the cross flow fans. By this structure, longer cross flow fans having preferred rigidity and strength can be formed. | 12-18-2014 |
20150056063 | METERING PUMP MADE OF PLASTIC - The invention relates to a metering pump ( | 02-26-2015 |
20150132104 | VARIABLE GEOMETRY LIFT FAN MECHANISM - A vertical takeoff and landing aircraft includes rotors that provide vertical and horizontal thrust. During forward motion, the vertical lift system is inactive. A lift fan mechanism positions the fan blades of the aircraft in a collapsed configuration when the vertical lift system is inactive and positions the fan blades of the aircraft in a deployed configuration when the vertical lift system is active. | 05-14-2015 |
20150291285 | AIRCRAFT PROPELLED BY A TURBOJET ENGINE WITH CONTRAROTATING FANS - An aircraft propelled by a turbojet having contrarotating fans, the turbojet being incorporated at the rear of a fuselage of the aircraft and in line therewith and including two gas generators that feed a working turbine having two contrarotating turbine rotors for driving two fans arranged downstream from the gas generators, and distinct air intakes for feeding each gas generator, the air intakes being connected to the fuselage of the aircraft so as to take in at least a portion of the boundary layer formed around the fuselage of the aircraft. | 10-15-2015 |
20150300238 | COOLING FAN DEVICE FOR VEHICLE - This cooling fan device for a vehicle comprises: a fan shroud which is shaped as a box accommodating a radiator and/or a condenser, and which has an opening in the front side in the travel direction of the vehicle and a fan coupling surface in the rear side in the travel direction; at least two cooling fans disposed in the fan coupling surface, the cooling fans having center axes vertically separated from each other by a predetermined distance; and a shield rib extending downward from the top of the fan coupling surface, protruding toward the radiator and/or the condenser, and having a top end and a bottom end, the shield rib being provided to the fan coupling surface between the adjacent cooling fans. The top end and/or the bottom end of the shield rib have a cutout section allowing air to pass between the adjacent cooling fans. | 10-22-2015 |
20150308280 | ASSEMBLY FORMING A SEAL FOR A TURBOMACHINE INCLUDING A BRUSH SEAL AND AT LEAST ONE LIP - The main object of the invention is an assembly forming a seal ( | 10-29-2015 |
20150337738 | Two Spool Gas Generator with Improved Air Porting - In a featured embodiment, a gas turbine engine has a first compressor rotor driven by a first turbine rotor, and a second compressor rotor driven by a second turbine rotor. The second compressor rotor is upstream of the first compressor rotor and the first turbine rotor is upstream of the second turbine rotor. An air mixing system taps air from a location upstream of the first compressor rotor for delivery to an environmental control system. The air mixing system receives air from a first air source and a second air source. The first air source includes air at a first pressure upstream of the first compressor rotor. The second air source includes air at a lower second pressure. At least one valve controls a mixture of air from the first and second sources to achieve a predetermined pressure for the environmental control system. | 11-26-2015 |
20160032888 | A Power Generating Water Turbine Assembly - An accelerator and water turbine assembly is provided for mounting in a tidal stream having a water turbine ( | 02-04-2016 |
20160160677 | SYSTEM, PROPULSION SYSTEM AND VEHICLE - One embodiment of the present invention is a unique vehicle. Another embodiment is a unique propulsion system. Yet another embodiment is a unique system. Other embodiments include apparatuses, systems, devices, hardware, methods, and combinations for vehicle propulsions systems. Further embodiments, forms, features, aspects, benefits, and advantages of the present application will become apparent from the description and figures provided herewith. | 06-09-2016 |
20160186657 | TURBINE ENGINE ASSEMBLY AND METHOD OF MANUFACTURING THEREOF - A turbine engine assembly is provided. The assembly includes a low-pressure turbine configured to rotate at a first rotational speed, and a fan assembly coupled to the low-pressure turbine and configured to rotate at a second rotational speed lower than the first rotational speed. The fan assembly includes a fan blade fabricated from a composite material and having a configuration selected based on the second rotational speed of the fan assembly. | 06-30-2016 |