Class / Patent application number | Description | Number of patent applications / Date published |
415090000 | SMOOTH RUNNER SURFACE FOR WORKING FLUID FRICTIONAL CONTACT (E.G., UNBLADED RUNNER, ETC.) | 41 |
20080206041 | Drag Vacuum Pump - A friction vacuum pump ( | 08-28-2008 |
20080260518 | Holweck Vacuum Pump - A Holweck vacuum pump includes a pump rotor ( | 10-23-2008 |
20080286089 | TURBO-MOLECULAR PUMP - Disclosed is a turbo-molecular pump, which comprises a rotor including a first cylindrical body formed with a part of a plurality of rotating blades arranged in multistage, a second cylindrical body integrally connected to an outer peripheral region of a downstream end of the first cylindrical body and formed with the remaining rotating blades, and a stress-releasing protrusion extending from the downstream end of the first cylindrical body along a direction of a rotation axis of the rotor. The turbo-molecular pump of the present invention can reduce a stress in the downstream end of the first cylindrical body. | 11-20-2008 |
20090060710 | FAN - A fan assembly for creating an air current includes a bladeless fan assembly including a nozzle and a device for creating an air flow through the nozzle. The nozzle includes an interior passage and a mouth receiving the air flow from the interior passage. A Coanda surface located adjacent the mouth and over which the mouth is arranged to direct the air flow. The fan provides an arrangement producing an air current and a flow of cooling air created without requiring a bladed fan, that is, the air flow is created by a bladeless fan. | 03-05-2009 |
20090060711 | Fan - A bladeless fan assembly includes comprising a nozzle mounted on a base housing a device creating an air flow through the nozzle. The nozzle includes an interior passage receiving the air flow from the base and a mouth through which the air flow is emitted. The nozzle extends substantially orthogonally about an axis to define an opening through which air from outside the fan assembly is drawn by the air flow emitted from the mouth. The depth of the base in the direction of the axis may be no more than twice the depth of the nozzle. The assembly produces an air current without requiring a bladed fan, that is, the air flow is created by a bladeless fan. | 03-05-2009 |
20090116952 | Rolling Fluid Machine Especially With a Liquid Spraying at the Output - A rolling fluid machine especially with a liquid spraying at the output, comprising a chamber ( | 05-07-2009 |
20090196734 | TURBO VACUUM PUMP - A turbo vacuum pump comprising a suction part | 08-06-2009 |
20100150699 | FAN - A fan assembly for creating an air current is described. The fan assembly includes a nozzle mounted on a base housing a device for creating an air flow through the nozzle. The nozzle includes an interior passage for receiving the air flow from the base, a mouth through which the air flow is emitted, the mouth being defined by facing surfaces of the nozzle, and spacers for spacing apart the facing surfaces of the nozzle. The nozzle extends substantially orthogonally about an axis to define an opening through which air from outside the fan assembly is drawn by the air flow emitted from the mouth. The fan provides an arrangement producing an air current and a flow of cooling air created without requiring a bladed fan. The spacers can provide for a reliable, reproducible nozzle of the fan assembly and performance of the fan assembly. | 06-17-2010 |
20100215475 | Vacuum Pump - A turbomolecular vacuum pump ( | 08-26-2010 |
20100226749 | FAN ASSEMBLY - A bladeless fan assembly includes a nozzle and a device for creating an air flow through the nozzle. The nozzle includes an interior passage, a mouth for receiving the air flow from the interior passage, and a surface located adjacent the mouth and over which the mouth is arranged to direct the air flow. The nozzle is mounted on a height adjustable pedestal. | 09-09-2010 |
20100226750 | FAN ASSEMBLY - A fan assembly for creating an air current includes an air outlet mounted on a stand. The stand includes a base and a body tiltable relative to the base. The fan assembly has a centre of gravity located so that when the base is located on a substantially horizontal support surface, the projection of the centre of gravity on the support surface is within the footprint of the base when the body is in a fully tilted position. | 09-09-2010 |
20100226751 | FAN ASSEMBLY - A fan assembly includes a device for creating an air flow and an air outlet for emitting the air flow, the air outlet being mounted on a pedestal including a base and a height adjustable stand. The base includes an oscillating mechanism for oscillating the stand and the air outlet. | 09-09-2010 |
20100226752 | FAN ASSEMBLY - A fan assembly for creating an air current includes an air inlet, an air outlet, an impeller and a motor for rotating the impeller to create an air flow passing from the air inlet to the air outlet. The air outlet includes an interior passage for receiving the air flow and a mouth for emitting the air flow. The air outlet defines an opening through which air from outside the fan assembly is drawn by the air flow emitted from the mouth. The motor has a rotor which, in use, is capable of rotating at a speed of at least 5,000 rpm. | 09-09-2010 |
20100226753 | FAN ASSEMBLY - A fan assembly includes a device for creating an air flow and an air outlet for emitting the air flow. The air outlet is mounted on a stand for conveying the air flow to the air outlet. The fan assembly also includes a tilt mechanism for tilting the air outlet relative to at least part of the stand. The tilt mechanism comprises a flexible hose defining, at least in part, an air passage through the tilt mechanism. | 09-09-2010 |
20100226754 | FAN ASSEMBLY - A pedestal for a fan assembly includes a telescopic duct for conveying an air flow to an outlet of the fan assembly. The duct includes an outer tubular member having a first stop member, an inner tubular member located at least partially within and slidable relative to the outer tubular member, the inner tubular member having a second stop member for engaging the first stop member to inhibit withdrawal of the inner tubular member from the outer tubular member, and a mainspring rotatably mounted on the second stop member, the mainspring having a free end retained by the first stop member. | 09-09-2010 |
20100254800 | FAN - A bladeless fan assembly ( | 10-07-2010 |
20100310357 | RING WING-TYPE ACTINIC FLUID DRIVE - Disclosed is an actinic (radial) fluid drive (AF) which can replace any propeller used, e.g. for fans, ventilators, pumps, hydraulic power plants and wind power plants (repeller), watercraft and aircraft (boats, helicopters, etc.) and can also reduce form drag (in tips of rockets, etc.) or wave-making resistance (in bulbous bows of ships, etc.). Said actinic (radial) fluid edge and trailing edge of which (corresponding to the drive (AF) is at least characterized by: a) a ring wing ( | 12-09-2010 |
20110020109 | Peripheral Tunnels Propeller - This disclosure is related with propeller noise and cavitation abatement in applications like propulsion, ventilation, pumping or turbine systems on liquid or gas fluids working like a propellers, pumps, fans or turbines, by novel techniques that allows a stronger propellers and improves laminar flow and allow a smooth acceleration or deceleration of the liquid or gas by means of a propeller that consist on a rotating cylindrical block with one or more tunnels around it axis, said cylindrical block also may have flow separators structures at both input and output that helps to keep laminar flow of the fluid or gas with it surrounding media, having This rotating cylindrical block tunnels with either circular or irregular oval section that accelerates fluid or gas by means of both combined centrifugal and axial movement. | 01-27-2011 |
20110027069 | Hybrid Tesla-Pelton Wheel Disc Turbine - Utility Model Patent for a hybrid turbine that consists in a Tesla turbine improved with the replacement partial or total of its smooth discs by innovative discs called ‘Pelton type discs ( | 02-03-2011 |
20110038707 | BLADELESS FLUID PROPULSION PUMP - A bladeless pump for fluids, such as gases that may contain particulate matter, drivable by a motor, consisting of an assembly of rotors or discs stacked against each other. Each rotor/disc has a runner portion on an outer area separated from its center, and a central portion having two or more spokes, divided by openings. The spokes are typically thicker than the rest of the discs. When many discs are placed together and spun on a motor-driven axle, air may be drawn in adjacent the rotor assembly, to the inter-disc openings, and compressed as it enters the area A spiral-shape volute is provided adjacent the outer πM of the disc assembly, receiving pressurized air and releasing it from a motor housing. Applicant's bladeless pump may include a base for receiving the rotor housing and the motor, which may include a housing to substantially enclose the motor and its housing. | 02-17-2011 |
20110150629 | STATOR-ROTOR ARRANGEMENT FOR A VACUUM PUMP AND VACUUM PUMP - A stator-rotor arrangement for a vacuum pump, in particular for a turbomolecular pump, includes a plurality of stator disks ( | 06-23-2011 |
20110164959 | FAN - A bladeless fan assembly for creating an air current includes a nozzle mounted on a base housing a device for creating an air flow through the nozzle. The nozzle includes an interior passage for receiving the air flow from the base and a mouth through which the air flow is emitted. The nozzle extends about an axis to define an opening through which air from outside the fan assembly is drawn by the air flow emitted from the mouth. The nozzle includes a surface over which the mouth is arranged to direct the air flow. The surface has a diffuser portion tapering away from the axis, and a guide portion downstream from the diffuser portion and angled thereto. | 07-07-2011 |
20110176910 | Turbomolecular Pump with a Flexible Mount - The flexibly-mounted turbomolecular pump comprises a leaktight casing mounted on a structure via a mechanical damper, a vertical support driven by an electric motor, radial magnetic bearings, an axial magnetic bearing, radial detectors, an axial detector, an emergency mechanical bearing, and a control module comprising power supply circuits and servo-control circuits for the axial and radial magnetic bearings. The servo-control circuits present low stiffness and include filter circuits for defining a limited passband. The control module comprises a comparator unit for detecting abnormally large movements of the rotor from signals delivered by the axial and radial detectors, which movements are greater than predetermined thresholds. The servo-control circuits include a restabilization network and a unit for selectively activating the restabilization network during a predetermined duration after a time at which the crossing of at least one of the predetermined thresholds is detected during a movement of the rotor. | 07-21-2011 |
20110286833 | VACUUM PUMP - A vacuum pump has the outer side of the pump housing provided with retaining elements. These serve to receive at least one mass element. With these mass elements, which are preferably arranged asymmetrically with respect to the longitudinal axis of the vacuum pump, vibrations that occur can be suppressed. | 11-24-2011 |
20110293401 | TURBOMOLECULAR PUMP, AND PARTICLE TRAP FOR TURBOMOLECULAR PUMP - A turbomolecular pump includes: a rotor ( | 12-01-2011 |
20120014779 | DISC PUMP - A pump is disclosed having one or more rotating discs within a housing. The discs have a plurality of relatively small surface perturbations covering at least half of one side of their surface. The perturbations may be recessed or raised. In operation, a boundary layer is formed near the surface of the rotating discs. The fluid within the pump flows in a circular and outward direction, thus moving fluid from a central coaxial inlet to an outlet located at the peripheral wall of the housing. The surface perturbations produce turbulence within the boundary layer during operation. The pump is suitable for pumping liquids with entrained gases, liquids with entrained solids, liquids with both gases and solids, and thick liquids. | 01-19-2012 |
20120034066 | VACUUM PUMP - A vacuum pump includes: a pump main body; a control unit which drives and controls the pump main body; a connector device including a first connector member on the pump main body side and a second connector member on the control unit side, at least one of power and a control signal being input and output between the pump main body and the control unit; and a connector attachment member attached to the pump main body coaxially with the pump shaft center between the pump main body and the control unit, the first connector member being attached to the connector attachment member. The connector attachment member is attached to the pump main body at one of a first phase of attachment and a second phase of attachment depending on a phase of attachment of the pump main body and the control unit. | 02-09-2012 |
20120093629 | FAN ASSEMBLY - A fan assembly includes a nozzle and a system for creating a primary air flow through the nozzle. The nozzle includes at least one outlet for emitting the primary air flow, and defines an opening through which a secondary air flow from outside the fan assembly is drawn by the emitted primary air flow and which combines with the primary air flow to produce a combined air flow. The nozzle includes a user operable device for allowing a user to adjust selectively at least one parameter, for example at least one of the profile, the orientation and the direction, of the combined air flow. | 04-19-2012 |
20120093630 | FAN ASSEMBLY - A fan assembly includes a nozzle and a system for creating a primary air flow through the nozzle. The nozzle includes an outlet for emitting the primary air flow, and defines an opening through which a secondary air flow from outside the fan assembly is drawn by the primary air flow emitted from the outlet. To allow a parameter of an air flow, formed from the combination of the primary and secondary air flows, to be adjusted by a user, the nozzle has an adjustable configuration. | 04-19-2012 |
20120141254 | VACUUM PUMP AND MEMBER USED FOR VACUUM PUMP - To provide a vacuum pump in which possibilities of decreased exhaust performance and gas leakage at the time of breakage of a rotor are lessened, in the case where a rotating part closes the inside opening portion of an exhaust outlet portion to decrease the height dimension of the vacuum pump, and further a connector lead wire is installed, easily. | 06-07-2012 |
20130280037 | Energy Conversion Device - An energy conversion device includes a vehicle. The vehicle includes a wheel. The wheel includes a chamber. The chamber is configured to contain a fluid. The fluid is configured to produce centrifugal energy. The wheel is configured to rotate and produce energy from the centrifugal energy. | 10-24-2013 |
20140023481 | FLUID ENERGY GENERATOR - A device for recovering energy from a flow of fluid including a support, a flexible membrane, an attachment system for attaching at least a first area of the membrane connecting this first area of the membrane to the support; force transmission means connected to a second area of the membrane remote from the first membrane area, this second area of the membrane being movable with respect to the support. The device includes separation limiting means, adapted to limit the separation of the first area of the membrane from at least a first point of the attachment system and to limit the separation the second area of the membrane from a second point of the attachment system, these separation limiting means being such that the first and second areas are spaced apart from each other by a minimum distance (Dmin) smaller than the shortest length (Lmin) separating these first and second areas measured along a face of the membrane. | 01-23-2014 |
20140308112 | SLIDE RING SEAL ARRANGEMENT WITH TESLA PUMP - The present invention refers to a mechanical seal assembly, comprising at least one mechanical seal ( | 10-16-2014 |
20140321976 | MODULAR THERMAL MOLECULAR ADHESION TURBINE - A novel molecular adhesion turbine includes improved disc array, flywheel, housing and nozzle structural designs each adapted to exhibit molecularly repulsive and/or molecularly adhesive properties depending upon the particular working fluid used with the turbine. Backflow turbulence and drag forces are reduced, and turbine operating efficiencies are improved as a result. The invention includes an insulating enclosure, which provides added noise cancellation and heat capture benefits. The new molecular adhesion turbine is modular and thus capable of sealable applications, including connecting the turbine to a bladed steam turbine of the type typically used in power plants for heretofore unrealized downstream energy efficiencies. | 10-30-2014 |
20150037137 | Gas Transfer Vacuum Pump - An improved vacuum pump mechanism is described in which an intersecting solid or perforated element is arranged to intersect a channel member. Relative movement of the intersecting solid or perforated element and channel member causes gas molecules to be urged from inlet to an outlet of the pump. Gas molecules are constrained within the channel member and interaction of the gas molecules with the flat and smooth surfaces of the intersecting solid or perforated member influence momentum of the gas molecules so that they are directed towards the outlet. In one embodiment, the channel member is formed as a helix and the intersecting solid or perforated elements are disk-shaped. An alternative embodiment is provided having the channel member configured as a spiral and the perforated elements as cylindrical skirts. The pump provides significant improvements in pump capacity, reduced power consumption and size of pump. | 02-05-2015 |
20150050124 | DEVICE FOR PUMPING A FLUID AT LOW FLOWS - The present invention relates to a device for pumping a fluid at low flows, comprising a body ( | 02-19-2015 |
20150078883 | BLADELESS FLUID PROPULSION PUMP - A bladeless pump for fluids, including gases or gases having particulate matter therein, which may be driven by a motor. The bladeless pump consists of an assembly of rotors or discs stacked one against the other. Each rotor or disc has a runner portion on an outer area spaced away from the center of the disc or rotor and a central portion which has two or more spokes. The spokes have inter-spoke openings. The spokes are typically thicker than the rest of the discs. When many discs are placed together and spun on an axle driven by a motor, then air may be drawn in adjacent the rotor assembly where the inter-disc openings are located, and compressed as they enter the inter-disc area. A volute that is spiral shape is provided adjacent the outer rim of the disc assembly which receives the pressurized air and releases it from a motor housing. Applicant's bladeless pump may include a base for receiving the rotor housing thereon and receiving the motor thereon, the base may include a housing to substantially enclose the motor and the motor housing. | 03-19-2015 |
20150322954 | AIRFLOW ACCELERATING DEVICE AND ELECTRONIC APPARATUS - The present invention discloses an airflow accelerating device and an electronic apparatus. The airflow accelerating device comprises: a housing, having a chamber formed therein; at least one vibrating plate, disposed within the chamber; at least one division plate, fixed in the housing, for dividing the chamber into at least two sub-chambers, each of the at least two sub-chambers having at least one air outlet configured to transmit airflow generated by vibration of the vibrating plate to outside of the chamber. | 11-12-2015 |
20150354577 | TURBO-MOLECULAR PUMP - A turbo-molecular pump comprises: a pump rotor including rotor blades and a rotor cylindrical section; stationary blades facing the rotor blades; a cylindrical stator facing the rotor cylindrical section; a base housing the cylindrical stator; and a heating member for heating the cylindrical stator. An emissivity of an outer surface of the cylindrical stator and an emissivity of an outer surface of a member facing the cylindrical stator, the outer surface facing the cylindrical stator, are lower than the emissivity of outer surfaces of the rotor blades, the outer surfaces facing the stationary blades. | 12-10-2015 |
20150377239 | VACUUM PUMP - A vacuum pump may include a regenerative pumping mechanism and a drag pumping mechanism. The regenerative pumping mechanism may include a generally disc-shaped member mounted on an axial shaft for rotation relative to a stator of the regenerative pumping mechanism. The drag pumping mechanism may include a generally cylindrical-shaped member mounted at an outer circumferential portion of the disc-shaped member for rotation about the axial shaft relative to a stator of the drag pumping mechanism. | 12-31-2015 |
20160115968 | BLADELESS FLUID PROPULSION PUMP - A method of manufacturing a rotor assembly for a bladeless pump is provided, the method comprising providing an injection mold or stamping having a reference mark; injection molding or stamping multiple rotors from the mold or stamp, the rotors having a reference mark thereon and spokes; and assembling the rotors on an axle such that any balances eccentricities are minimized. A pump is provided having a rotor assembly having multiple rotors, each rotor with an outer periphery and an axle; a rotor assembly housing; a spiral volute having a knife edge wherein the rotor assembly is mounted close to the knife edge. | 04-28-2016 |