| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 415520100 | WITH MEANS FOR RE-ENTRY OF WORKING FLUID TO BLADE SET (E.G., RE-ENTRY TYPE DEVICE, PASSAGE, ETC.) | 83 |
| 20090087302 | TURBOCHARGER - The invention relates to a turbocharger ( | 04-02-2009 |
| 20090238677 | Centrifugal compressor with air extraction and return at the casing - A centrifugal compressor includes a rotor | 09-24-2009 |
| 20090263233 | Fluid flow machine with blade row-internal fluid return arrangement - A fluid flow machine has a flow path ( | 10-22-2009 |
| 20150354599 | COMPRESSOR UNIT WITH A VARIABLE AERODYNAMIC PROFILE - A compressor unit is disclosed comprising at least a first motor driving in rotation at least one impeller of a compression stage, having at the outlet of the impeller a diffuser designed to centrifugally channel the gases coming from the impeller, and having a centripetal return channel downstream of the diffuser. The return channel includes at least one movable blade portion that, when moved, can vary a tangential component of the speed of the gases coming from the return channel. | 12-10-2015 |
| 415530100 | Cross flow runner | 14 |
| 20090067982 | Cross flow fan - An improved cross flow fan assembly applicable but not limited to a panel meter of fitness equipments includes: a housing and a cross flow fan made of plastic; a fan body, having symmetric circular flanges integrally formed on both lateral ends by plastic injection molding; two side covers, embedded into two circular flanges; and a shock absorption positioning member, installed at an external side of the right panel, and including: an axle center with a front section embedded into a bushing of the right cover and a rear section sheathed into a bearing, and a rubber pad, embedded into a circular hole of the right panel by its circular groove at the periphery for wrapping the bearing, so as to constitute a plastic cross flow fan module, and achieving a fast and convenient assembling and a vibration resisting effect, and the fan comes with a smooth operation to reduce noises. | 03-12-2009 |
| 20090104017 | Cross-flow fan and air conditioner - A cross-flow fan that variably maintains a distance between a blade and a fluid flow guide by varying a height of an outer edge and an air conditioner having the cross-flow fan are provided. Therefore, a noise and a peak value of a spectrum between the blade and the outer edge can be reduced. | 04-23-2009 |
| 20090290973 | TOWER FAN - An air blowing apparatus is disclosed having an elongate housing with an elongate scroll defining an airflow passage. An elongate blower is surrounded by the scroll and adapted when energized to move air through the airflow passage. The airflow passage is partially helically-shaped to cause the moved air to be distributed into the surrounding environment in a partially helical pattern. | 11-26-2009 |
| 20100124482 | Transverse fan assembly having a supplementary air feed inlet for infill of air flow deficiencies to effect a desired output air flow pattern, and method of use thereof - A transverse fan assembly, including for use with agricultural combine harvesters, which fan assembly includes a supplementary air feed inlet for the infill of air flow voids or deficiencies in the air flow pathway from the air inlet of the transverse fan assembly to the air inlet entryway so as to effect a desired, generally more uniform, output air flow pattern across the entire expanse of the air outlet of the transverse fan assembly, and a method of use thereof. | 05-20-2010 |
| 20100158664 | Cross flow fan structure - A cross flow fan structure comprising: a) a housing integrally formed by plastic material in an injection molding process; b) a cross flow fan integrally formed by plastic material in an injection molding process, the right side of the cross flow fan having a mounting hole in axial direction and a damping/positioning body; c) a motor with an end portion attached to a mounting base whereupon the motor is attached to the housing by use of the mounting base in such a way that the driving shaft of the motor is extended into the mounting hole of the damping/positioning body in a tightly clamping state for driving the cross flow fan in rotational operation. In this way, a cross flow fan module made by material is created. Moreover, a convenient assemble and a vibration resisting effect are achieved for a smooth operation with low noise by use of a skillful combination of the material and by a special structure. | 06-24-2010 |
| 20110171004 | CROSS-FLOW FAN, BLOWER AND MOLDING MACHINE FOR IMPELLER - A cross-flow fan is formed by stacking in the direction of the central axis line a plurality of impellers including a plurality of blades. A cross section of a blade perpendicular to the rotational central line is formed to decrease from a first reference plane of the blade toward the head of the blade, and a central point of the cross section of the blade perpendicular to the rotational central line is displaced forward or backward in the direction of rotation about the rotational central line, and is also displaced radially outward, from the bottom of the blade arranged in order on the main surface toward the head of the blade. | 07-14-2011 |
| 20120177477 | CROSS-FLOW FAN, MOLDING DIE, AND FLUID FEEDER - Disclosed is a cross-flow fan where an inner diameter (d) and an outer diameter (D) of a fan blade meet the relationship expressed by 0.55≦d/D≦0.95. In cross-flow fan, (N) representing number of fan blades, a chord length (L) and outer diameter (D) of fan blades, and (M) representing number of blade wheels meet the relationships expressed by of 0.6≦L/(πD/N)≦2.8 and 0.15≦πD/(N×M)≦3.77. A plurality of blade wheels are stacked on each other in a manner that a displacement angle (θ) is generated within the range of (1.2×360°/(N×M))≦θ≦(360°/N) between adjacent blade wheels. The displacement angle (θ) is set so that the overlapping number of fan blades having an equal installation angle is at most 5% of N×M representing a total number of fan blades. The present invention can provide a cross-flow fan that can succeed in noise reduction, a molding die used to produce the cross-flow fan, and a fluid feeder equipped with the cross-flow fan. | 07-12-2012 |
| 20120263573 | CROSS FLOW FAN, AIR BLOWER AND AIR CONDITIONER - There is provided a cross flow fan that makes uniform a distribution of wind velocity along an axial direction of the fan at an exit of an air trunk and that lessens chance of separation of an air flow on an inlet side of the fan, and there are thereby provided a cross flow fan that accomplishes a lower input and smaller noise and an air blower and an air conditioner that use the cross flow fan. | 10-18-2012 |
| 20130045080 | CROSS FLOW WIND OR HYDROKINETIC TURBINES - A turbine ( | 02-21-2013 |
| 20130177395 | CROSS FLOW FAN AND AIR-CONDITIONING APPARATUS INCLUDING SAME - A cross flow fan including an impeller having at least two rings arranged with intervals in a fan rotation axis O direction and a plurality of blades that are arranged, between correlated rings, with intervals in a circumferential direction of the rings, in which the blade is divided into plural areas in the fan rotation axis O direction, and both ends adjacent to the rings are denoted as the blade-ring proximate sections and the center portion of the blade is denoted as the inter-blade-ring center section. The blade is formed such that the thickness of the inner peripheral blade end of the blade that is the inner peripheral end of the impeller is smaller in the inter-blade-ring center section than in the blade-ring proximate section. | 07-11-2013 |
| 20140301825 | CROSS FLOW FAN - A cross flow fan includes a support plate and an impeller with a plurality of blades disposed on the support plate at predetermined intervals. On each blade, a radius of a pressure surface arc is greater than a radius of a suction surface arc, a radius of an inner peripheral side arc is greater than a radius of an outer peripheral side arc, and a region of maximum thickness is located 40% to 60% from the inner peripheral side arc in the lengthwise direction. The blades are disposed such that the inner peripheral side arcs are positioned on an inner peripheral side of the support plate and the outer peripheral side arcs are positioned on an outer peripheral side of the support plate. A flow path width between the plurality of blades gradually decreases from the inner peripheral side toward the outer peripheral side of the support plate. | 10-09-2014 |
| 415530200 | Having vane or deflector within runner blade set | 2 |
| 20120171013 | CROSS-FLOW FAN, MOLDING DIE, AND FLUID FEEDER - A cross-flow fan includes a plurality of fan blades circumferentially spaced from each other. The fan blade has an inner edge portion on the radially inner side, and an outer edge portion on the radially outer side. A blade surface extends between the inner edge portion and the outer edge portion. The blade surface includes a pressure surface on the rotation direction side of the fan and a suction surface on the opposite side. In cross-section orthogonal to the rotation axis of the fan, the fan blade has a concave portions formed at the pressure surface and the suction surface. A plurality of concave portions are formed at pressure surface. Side fan provides excellent blowing capacity. Also disclosed are a molding die for use in production of the cross-flow fan, and a fluid feeder provided with the cross-flow fan. | 07-05-2012 |
| 20130017063 | TURBINEAANM Tay; BobAACI Singleton ParkAACO GBAAGP Tay; Bob Singleton Park GBAANM Fenwick-Wilson; AnthonyAACI Singleton ParkAACO GBAAGP Fenwick-Wilson; Anthony Singleton Park GBAANM Cross; MarkAACI Singleton ParkAACO GBAAGP Cross; Mark Singleton Park GBAANM Croft; NickAACI Singleton ParkAACO GBAAGP Croft; Nick Singleton Park GBAANM Rolland; SamAACI Singleton ParkAACO GBAAGP Rolland; Sam Singleton Park GBAANM Williams; AlisonAACI Singleton ParkAACO GBAAGP Williams; Alison Singleton Park GB - A wind turbine for capturing energy from a fluid flow comprises a rotor having a rotational axis and a plurality of rotor blades ( | 01-17-2013 |
| 415530300 | Having selectively adjustable vane or working fluid control means | 1 |
| 20080267764 | Fan - A fan includes at least one fan frame, at least one impeller and at least one active flow-control device. The fan frame includes at least one air inlet and at least one air outlet. The impeller is disposed in the fan frame. The active flow-control device, is disposed on the fan frame for adjusting the size of the air inlet or the size of the air outlet according to demands. | 10-30-2008 |
| 415550100 | Turbine regenerative pump | 21 |
| 20080199302 | Fuel pump for engine - A fuel pump includes a bearing element disposed in proximity to an impeller. The bearing element is configured to form a fuel seal with the impeller and to drain fuel leaked from the pump chamber back into the pump chamber. The bearing element minimizes leakage of fuel from the pump chamber into an engine coupled to the impeller. The fuel pump also includes redundant lip seals configured to provide redundant sealing relative to a shaft of the impeller within the fuel pump in order to minimize engine oil from entering the pump chamber and to minimize fuel from entering the engine. Integration of both the bearing element and the redundant lip seals as part of the fuel pump results in the fuel pump having a relatively compact size. | 08-21-2008 |
| 20090028690 | FUEL SUPPLY SYSTEM - A fuel supply system supplies fuel in a fuel tank to a fuel consumption apparatus. The system includes a subtank, a pump unit, and an urging device. The subtank is received in the fuel tank and has a communicating hole at a bottom of the subtank. Part of fuel, which is stored in the fuel tank, is stored in the subtank. The outside and inside of the subtank communicate through the hole. The pump unit is received in the subtank and has a supply pump part, which supplies fuel in the subtank to the apparatus, and a pumping part, which pumps up fuel outside the subtank into the subtank. The pumping part has a suction part, which suctions fuel outside the subtank through the hole. The urging device urges the pump unit directly or indirectly toward the bottom of the subtank. | 01-29-2009 |
| 20090074559 | FUEL PUMP - A fuel pump includes an impeller and a casing member. The impeller defines a plurality of vane grooves arranged in a circumferential direction. The casing member receives the impeller, and the casing member defines therein a pump passage configured to have an arcuate shape along the vane grooves. The discharge passage is provided downstream of the pressurizing passage. The discharge passage has a width narrower than a width of the pressurizing passage, and the discharge passage is positioned toward a radially outer wall of the pressurizing passage. The pressurizing passage includes a throttle part that extends from a starting point to an inlet of the discharge passage. The throttle part has a first width at the starting point, which corresponds to the width of the pressurizing passage, and a second width at the inlet, which corresponds to the width of the discharge passage. | 03-19-2009 |
| 20100021282 | Side-Channel Pump - A side-channel pump for pumping a medium by means of an impeller having a ring of rotor chambers, comprising pockets in a radially outer region delimited by the rotor chambers. The pockets are filled by means of leakage with the medium to be pumped and create an axial force on the impeller. Therefore, the impeller is reliably held in the side-channel pump. | 01-28-2010 |
| 20100189543 | Fuel Pump - A fuel pump for delivering fuel in a motor vehicle, having a side channel stage. The fuel pump further includes a peripheral stage. The peripheral stage produces the same pressure at lower volume flow across the periphery of the rotor as compared to a side channel stage. For this purpose, the cross-sections of the delivery compartments of the peripheral stage are smaller than the cross-sections of the delivery compartments of the side channel stage. The fuel pump therefore has a higher efficiency and is less susceptible to soiling. | 07-29-2010 |
| 20120257956 | Turbine Fuel Pump for Vehicle - Provided is a turbine fuel pump for a vehicle. More particularly, provided is a turbine fuel pump for a vehicle that can improve efficiency of the fuel pump and solve pressure instability caused by collision of fuel by forming a separate independent channel in a lower casing, an impeller, and an upper casing where channels of fuel are formed at the time of suctioning fuel from the fuel tank and supplying fuel to an engine of an internal combustion engine. | 10-11-2012 |
| 20140017064 | SIDE CHANNEL MACHINE ARRANGEMENT - A side channel machine arrangement comprises a side channel machine ( | 01-16-2014 |
| 20140050562 | ROTARY PUMP EXHIBITING AN ADJUSTABLE DELIVERY VOLUME, IN PARTICULAR FOR ADJUSTING A COOLANT PUMP - An adjustable delivery volume rotary pump, including: first and second housing structures; a delivery chamber comprising a first chamber wall formed by the first housing structure, a second chamber wall formed by the second housing structure, a fluid inlet in a low-pressure region and a fluid outlet in a high pressure region; a pump wheel rotatable about a rotational axis in the delivery chamber; and a pressing device for generating pressing force. The second housing structure can be moved relative to the first housing structure from a first to a second position, against the pressing force. In the second position, a gap exists between the first and the second chamber walls and fluid can escape from the delivery chamber by bypassing the inlet and the outlet, or a circulation of the fluid which reduces the delivery rate of the rotary pump arises in the gap within the delivery chamber. | 02-20-2014 |
| 20140169939 | AIR FILTER ATTACHMENT FOR SIDE CHANNEL COMPRESSOR - The invention first relates to an air filter attachment ( | 06-19-2014 |
| 415550200 | Having specific means to deflect working fluid in regenerative passage | 4 |
| 20080253878 | FUEL PUMP - A fuel pump is provided with a casing and a substantially disk-shaped impeller that can rotate within the casing. A group of concavities is formed in each surface of the impeller. The concavities forming the group are arranged in concentric circles with respect to the rotation axis of the impeller. A first groove is formed in a first inner surface of the casing and extends from an upstream end to a downstream end in an area that faces one group of concavities. A second groove is formed in a second inner surface of the casing and extends from an upstream end to a downstream end in an area that faces the other group of concavities. A seal portion is formed in at least one of the first and second inner surfaces of the casing and formed by one layer or a plurality of layers of thin film. | 10-16-2008 |
| 20080260515 | Pump - A pump includes a pumping unit including therein an impeller for sucking and discharging a liquid; and a pump case accommodating therein the pumping unit and provided with an inlet for sucking the liquid into the pump and an outlet for discharging the liquid out of the pump. The impeller has an inlet mouth portion of a cylindrical shape that projects towards the pump case, and the pump case has a case inlet portion and an annular recess portion which the inlet mouth portion of the impeller is movably inserted in and is formed at the vicinity of the case inlet portion. | 10-23-2008 |
| 20140301826 | SYSTEM AND METHOD OF UTILIZING A HOUSING TO CONTROL WRAPPING FLOW IN A FLUID WORKING APPARATUS - A fluid working apparatus ( | 10-09-2014 |
| 20160097400 | IMPELLER FOR ENGINE-MOUNTED BOOST STAGE FUEL PUMP - A impeller for a centrifugal pump has an inducer section. The inducer section has first and second pluralities of blades, each having a plurality of polygonal cross-sections defined by a plurality of vertices. The pluralities of vertices are defined by tables of vertex locations. A method of making a centrifugal pump includes forming an impeller that has an inducer section, as described above, and an impeller section. The impeller is fluidly connected downstream of the inducer section and has third, fourth, and fifth pluralities of blades, each having a plurality of polygonal cross-sectional areas defined by a plurality of vertices. The pluralities of vertices are defined by tables of vertex locations. | 04-07-2016 |
| 415550500 | Having plural, rigidly related blade sets | 8 |
| 20150016958 | Vacuum pump - A vacuum pump has a working space, a bearing space, a dividing wall arranged between the working space and the bearing space and at least one rotor shaft which extends through the dividing wall and which forms a gap with the dividing wall and having a blocking device for blocking between the working space and the bearing space. The blocking device is formed by a Siegbahn pump stage which is configured for providing a pump action passing through the gap between the working space and the bearing space. | 01-15-2015 |
| 415550600 | Acting serially but nonalternating (e.g., multistage, etc.) | 7 |
| 20090081021 | BLOWER - A blower comprising: a vane wheel including a pair of grooves, and blades extending in a radial direction of the vane wheel in each groove, and a casing including stationary flow paths facing to the grooves respectively so that the gas urged in the grooves is capable of flowing in a circumferential direction in the stationary flow paths, a guide flow path extending in the axial directions to fluidly communicate with both of the stationary flow paths to enable the gas to flow from one of the stationary flow paths to the other one of the stationary flow paths, an inlet port for introducing the gas into the one of the stationary flow paths facing to the one of the grooves and an outlet port for discharging the gas out of the other one of the stationary flow paths facing to the other one of the grooves. | 03-26-2009 |
| 20100296916 | GAS COMPRESSOR - A gas compressor a rotor shaft and is arranged such that gas flow to an impeller stage is via a bore in the rotor shaft; and/or impeller stages are arranged in series such that flow into respective stages is in respectively opposed directions. The compressor most effectively functions with the rotor shaft arranged in a substantially upright orientation and beneficially has conical mounting bearing. | 11-25-2010 |
| 20120070268 | Single volute centrifugal pump with two stage impeller - Typical centrifugal pumps by their general definition include a single impeller inside a single pump casing, or volute. Two stage, three stage or more stages of pump casings and impellers may be assembled together to achieve higher pump discharge pressures with one pump suction, one pump casing discharge, with input by one driver. This patent covers an impeller design that incorporates two stages of impeller pumping action by using only one impeller operating inside one casing. This same design herein described could be used for more than two stages of impellers operating inside one casing also and is covered by the design parameters shown in this patent application. | 03-22-2012 |
| 20130302140 | GAS TURBINE ENGINE COMPRESSOR STATOR SEAL - A compressor section for use in a gas turbine engine has a plurality of compressor stages. Each compressor stage is provided with a rotor hub, and each rotor hub mounts a plurality of compressor blades. A rotor drum extends between adjacent rotor hubs. A plurality of stator stages have an outer ring and a radially inner ring. A plurality of vanes extend between the outer and inner rings. An inner surface of the inner ring is spaced by a gap from an outer surface of the rotor drum. The rotor drum is provided with a plurality of blades having a general airfoil shape to resist leakage across the gap. | 11-14-2013 |
| 20140133959 | MULTISTAGE CENTRIFUGAL TURBOMACHINE - A multistage centrifugal turbomachine comprising a rotor assembly comprising a shaft carrying a first and a second impeller, and a stator comprising a passage for a fluid flowing from an outlet side of the first impeller to an inlet side of the second impeller, the passage comprising a diffuser downstream the outlet side of the first impeller), a return channel upstream the inlet side of the second impeller, a bend connecting the diffuser and the return channel, and a plurality of stator blades being provided in the return channel, wherein a portion of the return channel is delimited by the first impeller, the plurality of stator blades extending at least partially in the portion of the return channel. | 05-15-2014 |
| 20150086329 | MULTI-STAGE RADIAL COMPRESSOR UNIT COMPRISING GAS REMOVAL DURING A COMPRESSOR STAGE - A radial compressor unit for compressing gas has several compressor stages. Each compressor stage includes an impeller having rotor blades, and a flow channel arranged downstream of the impeller, as viewed in the flow direction of the gas to be compressed, having a diffusor section, a deflection section, and a recirculation section having guide blades. The gas compressed in a compressor stage can be removed as cooling gas for cooling a component to be cooled, and can be conveyed in the direction of the component to be cooled. The cooling gas can be removed adjacent to an intermediate wall of the compressor stage from the deflection section and/or the recirculation section of the flow channel of the compressor stage. | 03-26-2015 |
| 20150330392 | PROGRESSIVE VORTEX PUMP - A progressive vortex pump having a pump assembly including an inlet valve in contact with a fluid and an outlet valve in contact with a pump pipe, the pump assembly is driven by a shaft connected to a motor assembly and includes a pump body with a variety of pump stages having a stator attached to the pump body, a diffuser attached to the front and rear of the stator, and a rotor coupled to the shaft inside the stator. Each pump stage includes at least two inlet stages in contact with a respective circular channel in contact with a respective outlet stage, the inlet and outlet stages are evenly distributed along the internal perimeter of the stator, and the pump stages are arranged such that each outlet stage of a front pump stage is connected to a respective inlet stage of a rear pump stage. | 11-19-2015 |
| 415560100 | Pump priming means | 6 |
| 20120315126 | VACUUM SELF-PRIMING PUMP - Disclosed is a vacuum self-priming pump in which a main pumping chamber and a sub-pumping chamber divided from each other by a diaphragm are provided within a case, main impellers and a sub-impeller rotated by a motor are respectively installed within the main pump chamber and the sub-pumping chamber such that a space is formed between a pair of left and right main impellers, and connection pipes are respectively formed between suction pipes of the main pumping chamber and the sub-pumping chamber and between discharge pipes of the main pumping chamber and the sub-pumping chamber, so as to more rapidly suck fluid every pumping operation and to effectively pump the fluid without clogging even if the pumped fluid contains various sludge or solid matter. | 12-13-2012 |
| 20130045081 | Centrifugal Pump Anti-Air Locking System - A priming system for preventing air-locking for use on a centrifugal pump having a priming system with a two piece detachable design. This permits the upper portion of the priming system to be removed for routine maintenance. The lower portion of the priming system includes a plurality of primary stationary vanes located longitudinally in the flow path of multi-phase fluids (air and water) which permit the removal of trapped air. Additional removable secondary vanes are located in the flow path after the primary stationary vanes and prior to the intake structure of the centrifugal pump housing. Such multiple vane structure allows the centrifugal pump to pump multi-phase fluids during a wide variety of conditions without air-locking and without requiring any modifications to the centrifugal pump impeller. | 02-21-2013 |
| 20140133960 | CAP FOR COOPERATING WITH A FLOW CONTROL ELEMENT OF A VALVE FOR A SELF-PRIMING ELECTRIC PUMP - A cap for cooperating with a flow control element of a valve for a self-priming electric pump, the valve being designed to open and close a recirculation duct for the passage of the recirculating fluid from the impeller assembly to an intake duct, the cap having a tubular body and, coaxially inside the latter, a mushroom-shaped element, which divides, with its head, the cap into a first portion and a second portion to be applied with engagement means at an opening of the recirculation duct outward, respectively in the overhead and underhead installation of the self-priming electric pump, the axial space occupation of the head and of the stem of the mushroom-shaped element that is extended from the head toward the second portion defining two alternative axial positions of interaction with the flow control element of the valve in the overhead and underhead installation. | 05-15-2014 |
| 20140169940 | SELF-PRIMING CENTRIFUGAL PUMP - A pump with high performance and cleanability includes a casing having a smaller volute and a larger volute; a space between an outer circumference of an impeller and a starting end of the smaller volute being greater than that of the larger volute, generating a circulating flow of self-priming water from the smaller volute to the larger volute; and a diffusing part of the larger volute being formed into an upright, cylindrical self-priming water separating chamber guiding the self-priming water from the smaller volute to flow in for air-water separation. An inner circumference part of the casing is formed concentric with the outer circumference of the impeller with a predetermined space therebetween; defining members are protrusively disposed on the inner circumference part of the casing so as to define the shapes of the two volutes; and the self-priming water separating chamber is made attachable to and detachable from the casing. | 06-19-2014 |
| 20160186758 | IMPELLER WITH AXIALLY CURVING VANE EXTENSIONS TO PREVENT AIRLOCK - A pump has a housing that includes an inlet to receive a liquid to be pumped, an outlet to provide the liquid being pumped, a pumping chamber between the inlet/outlet; and a motor shaft to rotate in the pumping chamber. The impeller is arranged on the motor shaft, includes radially curved vanes to rotate inside the pumping chamber to pump the liquid from the pumping chamber to the outlet; and includes anti-airlock vanes formed as a set of axially curving vane extensions that extend along the axis of the shaft, rotate with one part inside the pumping chamber, protrude through the inlet and rotate with another part outside the inlet for submerging in liquid to be pumped underneath the pump, draw the liquid through the inlet into the pumping chamber, and provide the liquid to the radially curved vanes to generate pressure to force entrapped air from the pumping chamber. | 06-30-2016 |
| 415560300 | Having plural and arcuately arranged vanes around runner | 1 |
| 20110176909 | VEHICLE HYDRAULIC CONTROL UNIT - A vehicle hydraulic control unit capable of preventing a vane from being pulled into a vane groove when a vane pump driven by an engine stops. The present hydraulic control unit supplies discharge oil in an external pump to a vane back pressure chamber of a vane pump, when an engine stops. | 07-21-2011 |
| 415570100 | Plural, independent, serially acting re-entry means | 1 |
| 415570300 | Re-entry from opposite sides of blade face | 1 |
| 20080206040 | Anti-Stall Casing Treatment For Turbo Compressors - A compressor includes a casing defining a generally cylindrical flow passage, a rotor carrying at least one set of rotor blades, at least one set of stator blades, and anti-stall casing treatment. The casing treatment includes an annular recess in the casing for removing low momentum flow adjacent the tips of the rotor blades, and returning the flow to the generally cylindrical flow passage upstream of the point of removal. A plurality of curved guide vanes are located within the annular recess so as to define an annular inlet downstream of the vanes and/or an annular outlet upstream of the vanes. Each guide vane projects radially inwardly from the casing towards a free end which is exposed at or near the mouth of the recess to define a series of curved channels within the recess adjacent the annular inlet and/or the annular outlet. | 08-28-2008 |
| 415580200 | Radial flow runner portion guides re-entry working fluid (e.g., hub, back plate, etc.) | 4 |
| 20090060708 | RADIAL FLOW COMPRESSOR FOR A TURBO-SUPERCHARGER - The invention relates to a radial compressor for a turbocharger ( | 03-05-2009 |
| 20100150698 | Engine Intake Air Compressor And Method - A compressor assembly ( | 06-17-2010 |
| 20110008150 | WHEEL FOR A HYDRAULIC MACHINE, A HYDRAULIC MACHINE INCLUDING SUCH A WHEEL, AND AN ENERGY CONVERSION INSTALLATION EQUIPPED WITH SUCH A HYDRAULIC MACHINE - The invention relates to a wheel (R) of the Francis type that comprises a ring ( | 01-13-2011 |
| 415580300 | Runner inlet shroud | 1 |
| 20140294564 | AUXILIARY POWER UNITS AND OTHER TURBOMACHINES HAVING PORTED IMPELLER SHROUD RECIRCULATION SYSTEMS - Embodiments of a turbomachine, such as a gas turbine engine, are provided. In one embodiment, the turbomachine includes an impeller, a main intake plenum in fluid communication with the inlet of the impeller, and an impeller shroud recirculation system. The impeller shroud recirculation system includes an impeller shroud extending around at least a portion of the impeller and having a shroud port therein. A shroud port cover circumscribes at least a portion of the shroud port and cooperates therewith to at least partially define an impeller recirculation flow path. The impeller recirculation flow path has an outlet positioned to discharge airflow into the main intake plenum at a location radially outboard of the shroud port when pressurized air flows from the impeller, through the shroud port, and into the impeller recirculation flow path during operation of the turbomachine. | 10-02-2014 |
| 415580400 | Re-entry working fluid joins inlet working fluid upstream of runner | 30 |
| 20080267765 | Centrifugal Compressor with a Re-Circulation Venturi in Ported Shroud - An exemplary port ( | 10-30-2008 |
| 20080292449 | Acoustic Damper Integrated to a Compressor Housing - A compressor housing for accommodating a compressor wheel comprises an inlet and an outlet, each being defined by a wall provided integrally with said compressor housing, wherein at least one acoustic damper element is disposed on the outside of at least one of said walls of the inlet and the outlet. Preferably, the acoustic damper element is integrally formed with the compressor housing by die casting. A compressor or a turbocharger can be equipped with the compressor housing. | 11-27-2008 |
| 20090053036 | Systems and Methods for Extending Gas Turbine Emissions Compliance - A gas turbine system for operation at low loads. The gas turbine system may include a number of inlet guide vanes, a compressor, a turbine, and an air movement system for maintaining an emission from the gas turbine system below a predetermined level. | 02-26-2009 |
| 20090060709 | IMPELLER, FUEL PUMP HAVING THE IMPELLER, AND FUEL SUPPLY UNIT HAVING THE FUEL PUMP - A fuel pump has substantially coaxial outer and inner pump chambers. An impeller has partition walls correspondingly to the inner pump chamber to define inner vane grooves. A rear surface is located at a rear side in a rotative direction of each inner vane groove. At least a radially inner side of the rear surface inclines rearward in the rotative direction from the radially inner side to a radially outer side. A first line connects a radially inner end of the rear surface with a radially outer end of the rear surface. A second line radially extends from the radially inner end of the rear surface. The first line and the second line therebetween define a backward tilt angle α | 03-05-2009 |
| 20090155046 | NACELLE ASSEMBLY HAVING INLET BLEED - A nacelle assembly for a turbine engine has a cowl. The cowl extends along an axis and has an exterior surface spaced from an interior surface. The interior surface forms an air inlet for directing airflow to the turbine engine. An opening is disposed on the cowl. A device for creating suction through the opening is in fluid communication with the opening. The opening removes a portion of a boundary layer flow through the cowl, thereby providing higher energy flow along the interior surface. | 06-18-2009 |
| 20090252593 | COOLING APPARATUS FOR COMBUSTOR TRANSITION PIECE - Disclosed is an apparatus for cooling a transition piece of a combustor includes at least one wrapper disposed at the transition piece located outboard of the transition piece. At least one support boss is located between the at least one wrapper and the transition piece. The at least one support boss, the at least one wrapper, and transition piece define at least one cooling flow channel for directing flow for cooling the transition piece. A method of cooling a transition piece of a combustor includes flowing cooling flow into at least one cooling flow channel located at the transition piece, the at least one cooling flow channel defined by the transition piece, at least one wrapper located at the transition piece and located outboard of the transition piece, and at least one support boss located between the at least one wrapper and the transition piece. The cooling flow is directed via the at least one support boss and flows across an outer surface of the transition piece thereby cooling the transition piece. | 10-08-2009 |
| 20090263234 | CENTRIFUGAL COMPRESSOR WITH SURGE CONTROL, AND ASSOCIATED METHOD - A centrifugal compressor for compressing a fluid comprises a compressor wheel having a plurality of circumferentially spaced blades, and a compressor housing in which the compressor wheel is mounted. The compressor housing includes an inlet duct through which the fluid enters in an axial direction and is led by the inlet duct into the compressor wheel, and an inner surface located radially adjacent the tips of the blades. A bleed port is defined in the inner surface of the compressor housing at a location intermediate the leading and trailing edges of the blades, for bleeding off a bleed portion of the fluid, the bleed port leading to a recirculation flow channel that feeds the bleed portion back into the inlet duct. Highly cambered vanes are disposed in the recirculation flow channel for turning the bleed portion to take out and in some cases reverse the swirl in the bleed portion. | 10-22-2009 |
| 20100061837 | TURBINE TRANSITION DUCT APPARATUS - A gas turbine transition duct apparatus is provided comprising first and second turbine transition ducts and a strip seal. The strip seal may comprise a sealing element and a spring structure. | 03-11-2010 |
| 20100135769 | Filter Device - A Multi or single-stage turbo compressor with at least one compressor wheel fastened to a shaft. the shaft is mounted in a turbocompressor housing which is separated by a hub disc a front interior housing region in front of the hub disc of the compressor wheel. The driven compressor wheel delivers a fluid from an inlet channel (10) to an outlet channel. The front interior housing region comprises a wheel lateral space from which an extraction channel for the extraction of fluid is provided. | 06-03-2010 |
| 20100143095 | RADIAL COMPRESSOR - A radial compressor is capable of preventing the occurrence of separation caused by a flow which goes beyond the front end of a blade and turns onto a negative pressure plane from a pressure plane, thereby reducing a surging flow rate to a smaller flow rate. The radial compressor includes an impeller which is rotatively driven, axially introduces air taken in through an air inlet passage formed in a housing, pressurizes the introduced air, and discharges the pressurized air in a radial direction, wherein an annular concave groove is formed in a peripheral wall of the air inlet passage of the housing, a rear end portion of an opening of the annular concave groove, which rear end portion meets the housing peripheral wall, is provided in the vicinity of a blade front end surface of the impeller, and the rear end portion of the opening of the annular concave groove is formed such that an axial projecting amount X thereof relative to the blade front end surface of the impeller is set to −1T≦X≦1.5T (where T denotes the thickness of the distal portion of a blade). | 06-10-2010 |
| 20120315127 | CENTRIFUGAL COMPRESSOR HAVING AN ASYMMETRIC SELF-RECIRCULATING CASING TREATMENT - A centrifugal compressor has a casing | 12-13-2012 |
| 20120321440 | CENTRIFUGAL COMPRESSOR HAVING AN ASYMMETRIC SELF-RECIRCULATING CASING TREATMENT - A centrifugal compressor includes an asymmetric self-recirculating casing treatment that includes, on an inner face of a casing | 12-20-2012 |
| 20130045082 | COMPRESSOR OF AN EXHAUST-GAS TURBOCHARGER - A compressor ( | 02-21-2013 |
| 20130136578 | TURBOCHARGER HOUSING HAVING A VALVE DEVICE, AND METHOD FOR MANUFACTURING A TURBOCHARGER HOUSING OF SAID TYPE - A turbocharger housing has a valve device. The valve device is formed with at least one first duct section and a second duct section. The two duct sections are arranged with their longitudinal axes parallel to one another and they are formed without any undercuts. | 05-30-2013 |
| 20130142621 | MULTISTAGE COMPRESSOR WITH IMPROVED MAP WIDTH PERFORMANCE - A compressor typically for use in a turbocharger comprises a downstream radial compressor impeller wheel, an upstream axial compressor impeller wheel and an intermediate stator. The compressor housing has an inlet with inner and outer walls that define between them an MWE gas flow passage. An upstream opening defined by the flow passage provides communication between said passage and the intake and at least one first slot downstream of the upstream opening provides communication between the passage and the inner surface of the inner wall. The stator comprises a plurality of fixed vanes and is disposed in the inner wall of the inlet between the radial and axial impeller wheels. The position of the slot can be at one of several positions along the gas flow passage, hi other embodiments there are second and third slots and the flow passage is divided into two parts. All the arrangements are designed to improve the compressor map width. | 06-06-2013 |
| 20140093354 | COMPRESSOR OF AN EXHAUST-GAS TURBOCHARGER - A compressor ( | 04-03-2014 |
| 20140377053 | CENTRIFUGAL COMPRESSOR - The centrifugal compressor ( | 12-25-2014 |
| 20150056062 | CENTRIFUGAL COMPRESSOR - The centrifugal compressor ( | 02-26-2015 |
| 20150337863 | CENTRIFUGAL COMPRESSOR - Provided is a centrifugal compressor which can be stably operated in a wide range by increasing an operating range on a low-flow-rate side and on a high-flow-rate side, with a simple structure of combining a recirculation flow path and a reverse swirling flow generation unit including fixed blades, without providing a complicated movable mechanism for a guide vane. | 11-26-2015 |
| 20160131148 | CENTRIFUGAL COMPRESSOR AND TURBOCHARGER - A centrifugal compressor includes a housing that accommodates a wheel. The housing includes an air intake space formed on an entrance side of the wheel; a flow passage to guide fluid compressed by the wheel to the outside of the housing; a return flow passage opened on each wall surface of the air intake space and the flow passage to circulate a part of the fluid in the flow passage to the air intake space without passing through the wheel; and an introduction portion provided in the air intake space, and having an inner peripheral surface that forms a flow passage to guide the fluid from the outside of the housing to the wheel. A downstream end of the inner peripheral surface in a flowing direction of the fluid is located inside in the radial direction of a shaft than the wall surface of the housing. | 05-12-2016 |
| 20160201693 | CENTRIFUGAL COMPRESSOR | 07-14-2016 |
| 415580500 | Axial flow runner | 9 |
| 20080298951 | AIR REINJECTION COMPRESSOR - Reinjecting air to the inlet of a compressor in order to improve its pumping margin. The inlet stator of the compressor includes injection holes passing through at least some of the vanes in the vicinity of their pivots. | 12-04-2008 |
| 20090047117 | Flow control arrangement - A flow control arrangement ( | 02-19-2009 |
| 20090155047 | Compressor - A compressor for compressing a gas comprises an impeller wheel mounted within a housing ( | 06-18-2009 |
| 20090226297 | HIGH BYPASS-RATIO TURBOFAN JET ENGINE - To provide a turbofan jet engine which is capable of increasing the bypass ratio without increasing the fan diameter, and of reducing air resistance acting on the engine, a front fan duct that discharges air compressed by a front fan to the atmosphere and an aft fan duct that introduces air into an aft fan are disposed such as to change cross-sectional shapes thereof by rotating around a core engine in a counterclockwise direction, so that the cross-sectional geometric relationship between the front fan duct and the aft fan duct at a position immediately posterior to the front fan and a cross-sectional geometric relationship between the front fan duct and the aft fan duct at a position immediately anterior to the aft fan are inverted. | 09-10-2009 |
| 20090232636 | MULTISTAGE COMPRESSOR FOR A GAS TURBINE, COMPRISING DISCHARGE PORTS AND INJECTION PORTS TO STABILIZE THE COMPRESSOR FLOW - A multistage compressor for a gas turbine, having a compressor housing, guide vanes, impeller vanes, a hub area, discharge ports, and injection ports for stabilizing the compressor flow, wherein the discharge ports are situated at least one stage downstream from the injection ports, the injection ports being fashioned as nozzles, and the geometry of these nozzles is designed such that the flow speed of the injected air stream is significantly greater than the speed of the flow in a critical cross-section. | 09-17-2009 |
| 20090290974 | Annular Flow Duct for a Turbomachine Through which a Main Flow can Flow in the Axial Direction - Disclosed is an annular flow duct for a turbomachine, the flow duct arranged concentrically about a machine axis running in the axial direction and defined by a boundary wall of circular cross section for directing a main flow, wherein the boundary wall has a plurality of return flow passages distributed over its circumference and through which in each case a partial flow is detached from the main flow at a bleed position and returned to the main flow at a feed position situated upstream of the bleed position, and having aerofoils, arranged radically in the flow duct, of a blade ring, the aerofoil tips of which lie opposite the boundary wall, with a gap formed in each case, wherein the aerofoils are movable in a predetermined rotation direction along the circumference of the boundary wall. Furthermore, a compressor which is insensitive to pumping and flow separations, as viewed in rotation direction, the bleed position of each return flow passage lies upstream of the corresponding feed position. | 11-26-2009 |
| 20090317232 | BLADE SHROUD WITH APERTURE - A fluid flow machine includes a main flow path in which at least one row of blades ( | 12-24-2009 |
| 20100034637 | FLUID FLOW MACHINE - A fluid flow machine has a main flow path | 02-11-2010 |
| 20140140814 | TURBOCHARGER - A turbocharger includes: a suction passage into which a fluid is sucked from outside of a compressor housing; an outlet passage that guides the fluid, which is sucked through the suction passage and compressed, to the outside of the compressor housing; an opening portion formed in a wall surface of the compressor housing and serving as an opening of the suction passage; a return passage which makes the outlet passage and the suction passage communicate with each other through the opening portion, thereby returning the compressed fluid from the outlet passage to the suction passage; and an air bypass valve which opens and closes the opening portion. A level of a bottom surface of the return passage located on a vertically lower side therein declines from the outlet passage toward the suction passage without ever rising. | 05-22-2014 |
| 415580700 | Axial flow runner | 2 |
| 20130121807 | AXIAL COMPRESSOR FOR FLUID-FLOW MACHINES - An axial compressor of a fluid-flow machine includes a flow path disposed between a rotor shaft and a relatively stationary housing wall. The flow path extends in an axial direction of the rotor shaft concentrically with the rotor shaft and the housing wall. A plurality of compressor stages are axially arranged in sequence along the flow path in the axial direction. Each of the compressor stages includes a rotor blades row and a guide vane row disposed after the rotor blades row in the axial direction. The flow path and the compressor stages operating therein are penetrable by a mass flow of a fluid to be compressed in a flow direction during operation of the compressor. A return is configured to return a part of the mass flow from a compressor discharge. | 05-16-2013 |
| 20140086725 | TURBOCHARGER WITH A DOUBLE-VANE NOZZLE SYSTEM - Disclosed is a turbocharger with a dual-blade nozzle system, comprising a turbine housing, a fixed nozzle ring ( | 03-27-2014 |
| 415590100 | Plural blade sets | 1 |
| 20150308453 | CENTRIFUGAL ROTATION MACHINE - A centrifugal rotation machine includes a rotation shaft, a plurality of impellers rotating along with the rotation shaft, a casing defining a return flow channel configured to guide the fluid from the front-stage impeller to the rear-stage impeller, and a plurality of return vanes installed in the return flow channel, the return flow channel includes a return bend section guiding the fluid G, which has been sent from the front-stage impeller to the outside in the radial direction, to the inside in the radial direction, the return bend section includes a first curved portion and a second curved portion connected to the downstream side of the first curved portion, and the radius of curvature of an inside wall surface of the second curved portion in the radial direction is greater than the radius of curvature of an inside wall surface of the first curved portion in the radial direction. | 10-29-2015 |
