Quotables
"We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology."
Carl Sagan
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8113798 | Turbomachine with tilt-segment bearing and force measurement arrangemment A turbomachine has a housing and a rotor mounted radially and axially in the housing. The rotor has a shaft and at least one impeller attached to the shaft. Two tilt-segment bearings having tilt segments, which bearings act in opposite directions, are provided for a... | 02/14/2012 |
| 8016571 | Thrust and intake chamber for pump A pump end assembly has a centrifugal pump and a motor separated by a chamber. The chamber contains a thrust bearing as well as an intake for the pump. Fluid flowing into the intake flows through the thrust chamber and to the inlet of the pump. Some of the fluid als... | 09/13/2011 |
| 7566208 | Non-electric drive mechanism for a submersible pump A non-electric drive mechanism connectable to a submersible pump for pumping a fluid from a wellbore to the surface, the drive mechanism including a shaft rotatably disposed within a housing, the shaft operationally connectable to the submersible pump, at least one ... | 07/28/2009 |
| 7370697 | Thrust section wear preventor A thrust section for use above a motor preferably includes a housing, a thrust shaft, a thrust runner connected to the thrust shaft, a thrust bearing connected to the housing, and a motor lead guard. The motor is preferably positioned above a pump assembly. The thru... | 05/13/2008 |
| 7318707 | Support bearing for a vertically arranged centrifugal pump A vertical centrifugal pump having a support bearing arranged above the pump and including an axial bearing (22) and a radial bearing (23). A housing (24) encasing the support bearing (22, 23) is directly connected to the flow-carrying ho... | 01/15/2008 |
| 7314039 | Method of controlling operation of a liquid-fuel combustion appliance A method of controlling operation of a liquid-fuel combustion appliance. The method is characterized by including an “antiseize operating mode” in which an electric motor and a fuel pump, powered by the electric motor, are started periodically to prevent oxidati... | 01/01/2008 |
| 7285887 | Axial magnetic bearing apparatus Axial magnetic bearing apparatus in which a rotary disc made of a magnetic material is fixedly attached to a rotating shaft, while a pair of electromagnetic stators in each of which a ring-like electromagnetic coil for generating magnetomotive force is inserted into... | 10/23/2007 |
| 7274123 | Axial magnetic bearing apparatus In axial magnetic bearing apparatus in which a rotary disc made of a magnetic material is fixedly attached to a rotating shaft, and electromagnets are disposed on opposite sides of the rotary disc so as to have suitable very small distances therefrom respectively, s... | 09/25/2007 |
| 7249939 | Rear casing arrangement for magnetic drive pump It is sought to provide a rear casing arrangement for a magnetic drive pump, which can sufficiently provide such functions pressure resistance and heat resistance, which give rise to problems in the case of manufacturing the rear casing from a material based on a sy... | 07/31/2007 |
| 7244113 | Scroll pump with controlled axial thermal expansion Vacuum pumping apparatus includes a pump frame, a stationary scroll element secured to the pump frame, the stationary scroll element including a stationary scroll blade, an orbiting scroll element including an orbiting scroll blade intermeshed with the stationary sc... | 07/17/2007 |
| 7239056 | Low speed canned motor A canned motor has an L3/D4 ratio of less than 50, with one bearing on one end of the rotor assembly configured to resist longitudinal displacement of the rotor as by an axial shaft load, and another bearing on the other end of the rotor assemb... | 07/03/2007 |
| 7235907 | Axial magnetic bearing apparatus In axial magnetic bearing apparatus in which a rotary disc made of a magnetic material is fixedly attached to a rotating shaft, and electromagnets are disposed on opposite sides of the rotary disc so as to have suitable very small distances therefrom respectively, s... | 06/26/2007 |
| 7229258 | Streamlined unobstructed one-pass axial-flow pump A blood pump has an impeller rotatably disposed and magnetically suspended within a cavity of a stator by a plurality of magnetic bearings (passive permanent and active electromagnetic) having impeller magnets on the impeller and stator magnets or coils/poles on the... | 06/12/2007 |
| 7214315 | Pressure exchange apparatus with integral pump A pressure exchange device is provided that utilizes an integral high pressure boost pump that is in fluid communication with a pressure exchange unit. An optional low pressure boost pump unit may also be provided. The pressure exchange unit comprises a rotating rot... | 05/08/2007 |
| 7207781 | Pressure exchange apparatus with dynamic sealing mechanism A pressure exchange device is provided that utilizes a rotor assembly inside a housing to transfer the pressure of a fluid from one high pressure fluid to another low pressure fluid. The housing may comprise a pressurized fluid contained therein to provide a sealing... | 04/24/2007 |
| 7193341 | Turbomachine for low-temperature applications A turbomachine for low-temperature applications, has a rotor shaft; at least one rotor disk that is arranged in overhung manner at one shaft end of the rotor shaft; an electric machine having a stator having windings, and an electric rotor arranged on the rotor shaf... | 03/20/2007 |
| 7186018 | Fuel processing device having magnetic coupling and method of operating thereof A fuel processing device has a magnetic coupling that transfers rotational energy from a motor to a fuel homogenizer. The magnetic coupling has magnetic members that may be isolated from contact with fuel. ... | 03/06/2007 |
| 7186099 | Inclined scroll machine having a special oil sump A scroll-type compressor is provided in an inclined or inverted position with an oil sump disposed adjacent to a gas inlet of the scroll wraps to allow droplets of oil to be entrained in the gas being compressed so that the oil droplets in the gas can cool the scrol... | 03/06/2007 |
| 7179061 | Multi-layer compressor housing and method of manufacture A multi-layered compressor housing and method of manufacture is provided. The housing defines an interior space and includes first and second layers having first and second major surfaces respectivley. The first and second layers are secured together by the friction... | 02/20/2007 |
| 7156613 | Arrangement for bearing relief in a gas turbine In a gas turbine, the compressor load is reduced and the turbine load is increased for controlled bearing load reduction by forming a low-pressure chamber (8) that is shielded from the compressor air at the compressor (1) and a high-pressure chamber ( | 01/02/2007 |
| 7150315 | Downhole fluid disposal apparatus and methods A seal cartridge and barrel manifold seal are provided for use in a subterranean well and in a method to inject fluid, that is initially produced into the well from a subterranean formation or zone, into another subterranean formation or zone. The seal cartridge has... | 12/19/2006 |
| 7140833 | Integrated turbo/drag/regenerative pump with counter-rotating turbo blades The present invention relates to vacuum pumps and a method for creating and maintaining a high vacuum. A vacuum pump includes a regenerative section and a turbo-molecular section. A common first rotor carries forward-rotating elements of both the regenerative sectio... | 11/28/2006 |
| 7112036 | Rotor and bearing system for a turbomachine A rotor and bearing system for a turbomachine. The turbomachine includes a drive shaft, an impeller positioned on the drive shaft, and a turbine positioned on the drive shaft proximate to the impeller. The bearing system comprises one gas journal bearing supporting ... | 09/26/2006 |
| 7112035 | Delivery system In known delivery systems, a pump chamber and a revolving impeller in the pump chamber rotating about a pump axis, in which protuberances are provided inside the pump chamber on predetermined end walls, it is disadvantageous that the protuberances very and are compl... | 09/26/2006 |
| 7104766 | Horizontal centrifugal pumping system The present invention provides a thrust bearing assembly and a horizontal skid utilized in a horizontal pumping system. In one embodiment, the thrust bearing assembly comprises a cylindrical open housing, at least one radial ball bearing, at least one rotating seal,... | 09/12/2006 |
| 7082763 | Exhaust gas turbocharger The invention concerns an exhaust gas turbocharger (1) having a shaft (2) on which a turbine wheel (4) and a compressor wheel (3) sit and which is guided in radial bearings (5, 6) and in at least one axial bearing (9), which... | 08/01/2006 |
| 7083399 | Motor-driven compressors A motor-driven compressor includes a housing having a compression portion for compressing refrigerant, a motor for driving the compression portion, and a drive circuit for controlling the motor. A connection member having a plate shape is disposed at one end of the ... | 08/01/2006 |
| 7070398 | Axial-flow blood pump with magnetically suspended, radially and axially stabilized impeller A blood pump has an impeller rotatably disposed and magnetically suspended within a cavity of a stator by a plurality of magnetic bearings including an axial bearing to support the impeller axially in the cavity. The axial bearing includes adjacent impeller magnets ... | 07/04/2006 |
| 7063512 | Pump stabilizer and method A vertically-disposed pump shaft is supported by an upward force against the pump shaft during periods of non use of the pump thereby off-loading bearings normally supportive of the shaft to prevent damage thereto when the pump is moved. Additionally, a lateral supp... | 06/20/2006 |
| 7063519 | Motor driven centrifugal compressor/blower This invention provides a small, high efficiency, oil free motor driven compressor/blower suitable for providing pressurized, contamination-free gas and or air to transportation, industrial and aerospace fuel cell systems or other contaminant-intolerant applications... | 06/20/2006 |
| 7057320 | Mechanical drive system operating by magnetic force A mechanical drive system operating by magnetic force, to be fitted on a pump, comprises a basic structure on which a drive shaft, which extends along a longitudinal axis, is supported rotatably. A driving element operatively connected to the drive shaft is provided... | 06/06/2006 |
| 7048518 | Pump The present invention comprises a pump (10, 110) having a casing (14, 114) with at least one first hermetically sealed chamber (19, 119) and at least one second chamber (17, 117) adjacent to said first chamber, defining a passageway (1... | 05/23/2006 |
| 6997686 | Motor driven two-stage centrifugal air-conditioning compressor A two-stage compressor for generating necessary pressure differential for air-conditioning applications with air-cooled, water-cooled and evaporative-cooled condensing systems using low-pressure refrigerant, such as R134a, is provided. A rotating assembly is mounted... | 02/14/2006 |
| 6972335 | Synthesis of epothilones, intermediates thereto, analogues and uses thereof The present invention provides convergent processes for preparing epothilone A and B, desoxyepothilones A and B, and analogues thereof. Also provided are analogues related to epothilone A and B and intermediates useful for preparing same. The present invention furth... | 12/06/2005 |
| 6921769 | Synthesis of epothilones, intermediates thereto and analogues thereof The present invention provides compounds of formula (I): as described generally and in classes and subclasses herein. The present invention additionally provides pharmaceutical compositions com... | 07/26/2005 |
| 6908291 | Corrosion-resistant impeller for a magnetic-drive centrifugal pump An impeller for a magnetic-drive centrifugal pump includes a core for supporting a magnetic assembly of magnets. An inner barrier covers at least part of the magnets. The inner barrier hermetically isolates the magnetic assembly within the impeller. For example, in ... | 06/21/2005 |
| 6897580 | Anti-vibrational holding device for an electric motor The invention relates to an apparatus for vibration-insulated mounting of an electric motor (20), in particular a blower motor, having a first housing part (10), which encloses at least one pole ring (22) and magnets (24) of the electric ... | 05/24/2005 |
| 6881714 | Washing system The invention relates to a cleaning composition suitable for manually cleaning substrates. The composition comprises at least two immiscible liquid phases having one liquid-liquid interface with an interfacial tension of more than 5 mN/m, the difference in density b... | 04/19/2005 |
| 6877963 | Vacuum pump A rotor (12) is mounted in a stator (14) with radial magnetic bearings (16, 19) and with an axial magnetic bearing (40) in a contactless manner. The axial magnetic bearing (40) produces an axial magnetic field with a magnet coil ( | 04/12/2005 |
| 6797173 | Method and apparatus for membrane recirculation and concentrate energy recovery in a reverse osmosis system An apparatus and method suitable for use in a reverse osmosis system has a process chamber having a feed inlet, a low pressure outlet and a high pressure outlet. A feed pump is used to increase the feed pressure to process the process chamber. A common shaft having ... | 09/28/2004 |
