| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 201 | ROTARY PUMP WITH ROTOR AND STATOR ARRANGEMENT | US14289102 | 2014-05-28 | US20140271282A1 | 2014-09-18 | Francois FRANCINI |
| A rotary pump intended to pump a fluid in a system on board a vehicle, such pump comprising a stator, a rotation axle attached both to a mechanical pumping element and a magnetic rotor, and electrical connections. The rotor, the stator and the electrical connections are overmolded in a leaktight manner with a plastic. | ||||||
| 202 | ELECTRIC OIL PUMP AND HYDRAULIC PRESSURE SUPPLY DEVICE | US14185159 | 2014-02-20 | US20140241917A1 | 2014-08-28 | Mototsugu Suzuki; Masaru Irie |
| An electric oil pump is coupled to a pump receptacle including an oil inflow passage and an oil outflow passage. The electric oil pump includes a motor, a pump rotor, a housing, and a check valve. The housing accommodates the motor and the pump rotor. The housing closes an opening of the pump receptacle and includes at least a fitted portion fitted into the pump receptacle. An oil compartment is formed between the pump receptacle and the housing. Oil flows into the oil compartment from the oil inflow passage when the pump rotor is rotated. The fitted portion is partially immersed in the oil collected in the oil compartment. The housing includes a suction port and a discharge port. A check valve, located in the housing, limits reversed flow of the oil from the oil compartment to the oil inflow passage. | ||||||
| 203 | Pump | US13709243 | 2012-12-10 | US20130177459A1 | 2013-07-11 | Richard Weatherley |
| A pump system 2 has a drive unit 4 and removable pump units 8, 10. The pump units have a body 22,26 having a pump cavity 24 and a rotary pump element 34 arranged to rotate in the pump cavity about an axis. Vanes 42 drive fluid from inlet 28 to outlet 30. A magnetic coupling is provided between magnets 40 in the rotary pump element 34 and magnets 16 in drive unit 4. A magnetic disk 48 provides an opposed axial force to axially balance the force between magnets 40 and magnets 16. | ||||||
| 204 | Overmolded rotor | US12568975 | 2009-09-29 | US08444405B2 | 2013-05-21 | Matthew Hollister; Doug Purdy; Dustin Featherstone |
| A fluid device includes a housing and a rotor assembly disposed in the housing. The rotor assembly includes a core and a coating. The core has a first surface, an oppositely disposed second surface and an outer peripheral surface that extends between the first and second surfaces. The core defines a bore that extends through the first and second surfaces. The coating coats at least a portion of the core. The coating is a water-swellable plastic material. | ||||||
| 205 | Slurry Pump | US13535355 | 2012-06-27 | US20130071280A1 | 2013-03-21 | James Brent Klassen |
| A fluid transfer device, comprising an outer housing having an inward facing cylindrical or partially cylindrical surface, an outer rotor with radial projections having at least a leading face which is, along any plane perpendicular to the outer rotor axis, offset from a radial line radiating from the outer rotor rotational axis, a carrier secured to prevent rotation relative to the outer housing at least partly within the outer rotor; an inner rotor secured for rotation about an axis within the carrier, the inner rotor having an outward facing surface plane perpendicular to the inner rotor axis and outward projections arranged around the outward facing surface configured to operate as a pump. | ||||||
| 206 | ROTARY PISTON PUMP | US13391683 | 2010-09-08 | US20120207638A1 | 2012-08-16 | Paul Krampe |
| The invention relates to a rotary lobe pump for conveying a fluid medium containing solids, said rotary lobe pump comprising two rotary lobes each having rotary lobe vanes engaging with other and each having a rotational axis and an outer periphery, wherein the rotational axes of the two rotary lobes are spaced apart from each other and arranged parallel to each other and wherein the outer peripheries of the two rotary lobes partially intersect each other, and further comprising a housing with an inlet opening and an outlet opening and an inner wall and an outer wall, the inner wall of the housing enclosing a respective section of the outer peripheries of the rotary lobes and wherein the rotary lobe pump is adapted to convey the medium in a feeding direction from the inlet opening to the outlet opening. According to the invention, the rotary lobe pump is characterized in that the outlet opening on the inner wall of the housing has a maximum discharge enlargement that is greater in a direction running parallel to the plane of the rotational axes and perpendicularly to the rotational axes than the distance between the rotational axes. | ||||||
| 207 | Prismatic pump, especially slurry pump | US11666785 | 2005-10-29 | US08192183B2 | 2012-06-05 | Herbert Jung |
| The aim of the invention is to provide a simple, smoothly running pump, especially a slurry pump, preferably for concrete, which comprises a driven rotor (4) rotating inside a housing (2). According to the invention, the rotor (4) is configured as a polygonal, prismatic body wherein at least the connecting lines of the corners of the base form an equilateral polygon. The rotor performs a rotational movement about its center axis on an orbit, the longitudinal edges of the prismatic body (4′) touching the longitudinal inner wall surface (2′) of the housing (2). | ||||||
| 208 | Pump system for deep fryers using trans-fat-free cooking oil | US12469220 | 2009-05-20 | US08070943B2 | 2011-12-06 | William E. Allen, Jr.; John T. Stillman |
| A pump for use in a filtration process for a deep fryer is disclosed. The pump includes a drive shaft linked to a motor or motor drive shaft. The drive shaft passes through a seal assembly before passing into the pump chamber. The seal includes an outer seal housing that accommodates a lip seal. The lip seal is fabricated from PTFE. A combination oil filtration and supply system for a deep fryer is also disclosed that includes a motor linked to the drive shaft. The drive shaft passes through a supply pump and a filter/return pump. The supply pump includes an inlet in communication with a fresh oil reservoir and an outlet in communication with the filter/return pump. The filter/return pump includes an inlet in each communication with an oil filtration system and an outlet in communication with the outlet of the supply pump and an inlet to an oil distribution network. The oil distribution network includes a plurality of outlets, each in communication with an inlet of a vat. Each vat each includes an outlet in communication with the oil filtration system. The supply pump further includes a bypass valve that closes the inlet to the supply pump when flow from the fresh oil reservoir is cut off by closing a fresh oil supply valve. The bypass valve permits continuous circulation of fresh oil in the supply pump chamber and around the seal to prolong the life of the seal. | ||||||
| 209 | MULTIPHASE PUMP FLOW RECIRCULATION SYSTEM | US12786946 | 2010-05-25 | US20110293441A1 | 2011-12-01 | David Deloyd Anderson; Vasanth Srinivasa Kothnur; Hrishikesh Vishvas Deo |
| In accordance with certain aspects of the invention, a pump system is provided. The pump system includes a pump casing having a process fluid inlet chamber connected to a process fluid inlet through the pump casing, and a process fluid outlet chamber connected to a process fluid outlet through the pump casing. The pump system also includes rotors disposed inside the process fluid inlet chamber and the process fluid outlet chamber. The rotors are configured to pump a process fluid from the process fluid inlet chamber to the process fluid outlet chamber. In addition, the pump casing comprises one or more fluid injection inlets axially located between the process fluid inlet and the process fluid outlet. | ||||||
| 210 | PUMP SYSTEM | US12612005 | 2009-11-04 | US20110103987A1 | 2011-05-05 | Vasanth Srinivasa Kothnur; David Deloyd Anderson; Farshad Ghasripoor; Hrishikesh Vishvas Deo; Michael V. Drexel; Thomas Lowell Steen |
| The present invention provides a pump system comprising a bearing housing coupled to a pump liner, the pump liner defining a fluid conduit, the pump liner comprising a fluid inlet and a fluid outlet; and at least one rotor having a first rotor portion and a second rotor portion, the first rotor portion being disposed within the fluid conduit and the second rotor portion being disposed within the bearing housing; the first rotor portion comprising a first conveying stage adjacent to the bearing housing, and a second conveying stage adjacent to the first conveying stage, the first and second conveying stages being configured to convey a fluid, the first conveying stage being configured to convey the fluid from the bearing housing into the fluid conduit. The new pump systems rely on a dynamic restriction to reduce the need for mechanical seals between bearing housings and raw process fluid. | ||||||
| 211 | Gear pump | US11194902 | 2005-08-01 | US07806673B2 | 2010-10-05 | Stephen B. Muscarella; Philip T. Pascoe |
| A nonmetallic pump with a gear pump assembly having an adapter spool mounted to an electric motor. The pump assembly is designed to reduce manufacturing costs and to provide access for many service and maintenance tasks to be performed without breaking any of the pipe connections. The pump assembly also includes a splined shaft system and a lubricating fluid circulation system with spiral grooves located inside a pair of bearings disposed on opposite sides of the gear flights. The assembly also includes a replaceable precision liner that surrounds the gear flights to maintain a tight tolerance for optimal performance of the pump. Also, an O-ring disposed inside the front cover of the assembly provides for operation of the pump over a wide temperature variation with relatively loose manufacturing tolerances. | ||||||
| 212 | Gear Pump | US12788818 | 2010-05-27 | US20100233007A1 | 2010-09-16 | Stephen B. Muscarella; Philip T. Pascoe |
| A nonmetallic pump with a gear pump assembly having an adapter spool mounted to an electric motor. The pump assembly is designed to reduce manufacturing costs and to provide access for many service and maintenance tasks to be performed without breaking any of the pipe connections. The pump assembly also includes a splined shaft system and a lubricating fluid circulation system with spiral grooves located inside a pair of bearings disposed on opposite sides of the gear flights. The assembly also includes a replaceable precision liner that surrounds the gear flights to maintain a tight tolerance for optimal performance of the pump. Also, an O-ring disposed inside the front cover of the assembly provides for operation of the pump over a wide temperature variation with relatively loose manufacturing tolerances. | ||||||
| 213 | LIQUID SPRAYER | US12633166 | 2009-12-08 | US20100140374A1 | 2010-06-10 | Jeffrey D. Kendall; David R. Axton; Richard Sevrey; Fred A. Marconi, JR. |
| A motion-powered liquid sprayer that can increase the number of rotations of the pump relative to each rotation of the wheel or axle is provided. The sprayer can include a gearing assembly that employs gears to increase the number of pump revolutions as a function of the wheel or axle rotation. The sprayer can also include a gear pump that employs an over-capacity or enhanced gullet together with blow-by spacing to control consistent liquid flow relative to variable motional velocities. | ||||||
| 214 | Method for timing a polymer pump containing polymer | US12313336 | 2008-11-19 | US20100124512A1 | 2010-05-20 | David T. Moldt; James H. Everitt |
| A method for restoring the registry of opposed shafts that carry meshing pump teeth inside a polymer pump that contains polymer without removing polymer from within the pump, the method using an asymmetric pattern of apertures in the shaft ends and a template having a pattern of holes that matches the pattern of apertures, and dowels that closely fit the holes and apertures. | ||||||
| 215 | CARTRIDGE-TYPE SINGLE-SCREW PUMP AND DYE-METER EQUIPPED WITH SUCH PUMP | US12528954 | 2007-03-01 | US20100102092A1 | 2010-04-29 | Alessandro Sacchet |
| A cartridge-type single-screw pump (1) is described, adapted to volumetrically batch and deliver a certain amount of a fluid contained inside storage means and to supply it to distributing means, comprising an external fixed pump body (10) and a removable pumping cartridge (20), such removable pumping cartridge (20) being adapted to be inserted in at least one insertion seat (11) of the external fixed pump body (10) in order to operatively cooperate with this latter one. A dye-meter is further described, equipped with at least one cartridge-type single-screw pump (1). | ||||||
| 216 | Rotary pump provided with an axially movable blade | US10597044 | 2004-12-21 | US07614863B2 | 2009-11-10 | Manfred Sommer |
| A pump (10) possesses a rotor (70), the rotor collar (120) of which laterally delimits a pumping duct (124) with an inlet (152) and an outlet. An axially adjustable sealing slide (182) bears sealingly against the rotor collar (120) on both sides in the axial direction and subdivides the pumping duct (124) between the inlet (152) and the outlet. A first bearing point for the drive shaft (60), for the supporting mounting of the drive shaft in the radial direction, is present within the clear space region occupied in the axial direction by the rotor (70). | ||||||
| 217 | Pump, Especially Slurry Pump | US11666785 | 2005-10-29 | US20080274000A1 | 2008-11-06 | Herbert Jung |
| The aim of the invention is to provide a simple, smoothly running pump, especially a slurry pump, preferably for concrete, which comprises a driven rotor (4) rotating inside a housing (2). According to the invention, the rotor (4) is configured as a polygonal, prismatic body wherein at least the connecting lines of the corners of the base form an equilateral polygon. The rotor performs a rotational movement about its center axis on an orbit, the longitudinal edges of the prismatic body (4′) touching the longitudinal inner wall surface (2′) of the housing (2). | ||||||
| 218 | Hinged paddle pump | US10791287 | 2004-03-03 | US07338267B2 | 2008-03-04 | Albert W. Patterson |
| A rotary pump for fluids comprising a shaft to rotate about a longitudinal axis and a cylindrical rotor centrally secured to that shaft. A housing encasing the shaft and rotor includes, interior end walls adjacent to the rotor disks and an interior side wall. Fluid inlet and outlet ports are provided at spaced locations in the housing side wall. Paddles are pivotably secured to the rotor in pockets in the rotor, to pivot about points at rearward sides of the paddles, for movement between extended positions with the paddles extending outwardly beyond the cylindrical surface of the rotor and retracted positions where the paddles are seated entirely within their corresponding pockets. A means is provided to bias each paddle towards the extended position, but to allow the paddle to move towards that extended position, but to allow the paddle to move towards the retracted position. | ||||||
| 219 | Apparatus and method for injecting a liquid dye into a polymer melt | US11040443 | 2005-01-21 | US07278776B2 | 2007-10-09 | Ulrich Helbing; Georg Stausberg; Jörg Alexander; Jürgen Hasenburg |
| An apparatus and a method for injecting a liquid dye into a polymer melt, which includes a metering pump with a metering inlet and a metering outlet. The metering inlet connects to a dye tank and the metering outlet connects to a polymer melt carrying component. To add the liquid dye to the polymer melt in the melt carrying component in a quantity that is as uniform and accurate as possible, the invention provides for connecting the metering inlet of the metering pump to a feed outlet of a feed pump, which connects with its feed inlet to the tank. With that, it is possible to generate a feed pressure at the metering inlet of the metering pump, which can be adapted to an injection pressure at the metering outlet of the metering pump. | ||||||
| 220 | Internal gear pump with recesses on the gear bearing surfaces | US11381276 | 2006-05-02 | US07241122B2 | 2007-07-10 | Giorgio Manfredini; Uber Bortoli |
| A positive-displacement pump, in particular for use in machines or dispensing fluids, including two elements that are with respect to one another and which mesh with one another (20, 30), each of them being rotatably mounted in the pump with centered coupling without interference with a corresponding centering body (18, 11a). At least one of the two above-mentioned ratable elements has a plurality of undercut regions (26, 34, 35)) at the location of the centering walls. The undercut regions (26, 34, 35) comprise a wall portion which is spaced with respect to the facing wall of the respective centering body. | ||||||
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