| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 161 | GEAR PUMP WITH ASYMMETRICAL DUAL BEARING | US13850884 | 2013-03-26 | US20130259729A1 | 2013-10-03 | Philip T. Alexander; Neil V. Norton; Robert Edward Oehman, JR.; Mary B. Rollins; Joel E. Cate |
| An asymmetrical bearing is disclosed for use in a gear pump. The bearing may have first and second opposing faces, and first and second bores in communication with the first and second opposing faces. The first and second bores may be configured to receive first and second shafts of a gear pump. The bearing may have a first flat side surface and a second curved side surface, where the second curved side surface includes first and second curved portions associated with the first and second bores, respectively. The first and second faces and the first flat side surface may also include a plurality of grooves configured to direct a flow of process fluid over the bearing during operation of the pump. Self-aligning features can be provided on one or more sealing elements to ensure desired alignment of the sealing components during assembly. Other embodiments are described and claimed. | ||||||
| 162 | System and method for multiphase pump lubrication | US12873168 | 2010-08-31 | US08425667B2 | 2013-04-23 | David Deloyd Anderson; Vasanth Srinivasa Kothnur; Hrishikesh Vishvas Deo; Johan Kristian Sveen; Ove Saele |
| A subsea system includes a multiphase pump, configured to transfer a multiphase fluid and a multiphase separator, configured to separate the multiphase fluid into solid, liquid, and gaseous phases. The multiphase separator includes a solid-liquid separation device, which is configured to facilitate separation of the solid phase and the liquid phase from the multiphase fluid. The multiphase separator includes a gas-liquid separation device, which is configured to facilitate separation of the gaseous phase and the liquid phase from the multiphase fluid. The multiphase separator includes a liquid reservoir, which is configured to contain a volume of the liquid phase to be used as a lubricant for the multiphase pump. Finally, the multiphase separator includes a liquid outlet, which is configured to transfer the liquid phase from the liquid reservoir to the multiphase pump. | ||||||
| 163 | Downhole Motors with a Lubricating Unit for Lubricating the Stator and Rotor | US13187250 | 2011-07-20 | US20130020132A1 | 2013-01-24 | Hendrik John; Harald Grimmer |
| In aspects, the disclosure provides a drilling motor that includes a lubricating unit that selectively supplies a lubricant to the drilling fluid before the drilling fluid passes through the drilling motor so as to lubricate the stator and/or the rotor to reduce friction between the stator and the rotor and to reduce wear of the motor. | ||||||
| 164 | Gear type performance oil pump | US12502616 | 2009-07-14 | US08303281B2 | 2012-11-06 | Bruce Robillard |
| A high performance gear type oil pump for an internal combustion engine which has drive and driven gears which are, on one common side of the gears, respectively supported from the housing by a drive shaft and an idler shaft. In order to avoid cantilevering of the gears when generating pressurized oil, the other common side of the gears are each rotatable mounted on stub axles or pins which themselves are fixedly attached to the housing. In order to minimize wear, oil under pressure is supplied to the bearing surfaces of stub axles or pins which extend interiorly of the gears and also to the bearing surfaces of the housing which faces the common side of the gears where the stub axles are located, through oil supply passageways in the stub axles or pins. | ||||||
| 165 | COUPLING SHAFT FOR GEAR PUMP | US13035004 | 2011-02-25 | US20120219447A1 | 2012-08-30 | Satish Shantilal Shah; Timothy P. Walgren |
| A coupling shaft assembly includes a coupling shaft with a first radial shoulder and a second radial shoulder, the first radial shoulder and the second radial shoulder each include at least one slot to provide a lubricant flow path. | ||||||
| 166 | Lubricating pinion and lubricating device | US12528743 | 2007-06-28 | US08171815B2 | 2012-05-08 | Zdravko Paluncic; Andreas Schoenfeld |
| The invention relates to a lubricating pinion, particularly for a lubricating device, for the application of a lubricant pumped, for example, through a lubricant pipeline by a lubricating pump from a reservoir onto at least one gear wheel or the like. The lubricant pinion has an external tooth system onto which at least one lubricant outlet discharges. The lubricant pinion is constructed from at least two lubricant pinion parts which can be connected to one another along a preferably radial parting plane. At least one lubricant channel, which can be connected to the at least one lubricant outlet, extends in the parting plane. | ||||||
| 167 | SYSTEM AND METHOD FOR MULTIPHASE PUMP LUBRICATION | US12873168 | 2010-08-31 | US20120048113A1 | 2012-03-01 | David Deloyd Anderson; Vasanth Srinivasa Kothnur; Hrishikesh Vishvas Deo; Johan Kristian Sveen; Ove Saele |
| A subsea system includes a multiphase pump, configured to transfer a multiphase fluid and a multiphase separator, configured to separate the multiphase fluid into solid, liquid, and gaseous phases. The multiphase separator includes a solid-liquid separation device, which is configured to facilitate separation of the solid phase and the liquid phase from the multiphase fluid. The multiphase separator includes a gas-liquid separation device, which is configured to facilitate separation of the gaseous phase and the liquid phase from the multiphase fluid. The multiphase separator includes a liquid reservoir, which is configured to contain a volume of the liquid phase to be used as a lubricant for the multiphase pump. Finally, the multiphase separator includes a liquid outlet, which is configured to transfer the liquid phase from the liquid reservoir to the multiphase pump. | ||||||
| 168 | OIL PUMP APPARATUS | US13117312 | 2011-05-27 | US20110293442A1 | 2011-12-01 | Keichi TATEWAKI; Akio NONOMURA; Yasuhiro KAWACHI |
| An oil pump apparatus for supplying an oil to a vehicular transmission, includes a pump to suck the oil from an oil reservoir through an inlet port into a pumping chamber, and an intake circuit to convey the oil sucked from the oil reservoir to the inlet port. The intake circuit includes a proximal segment, an intermediate segment and a distal segment. The proximal segment extends from the inlet port, to the intermediate segment. The intermediate segment extends upwards from the proximal segment. The distal segment extends downwards from a first connecting end portion connected with the intermediate segment to a end portion formed with an suction opening to suck the oil from the oil reservoir into the intake circuit. | ||||||
| 169 | Gear pump with a valve arranged between a suction side and a pressure side of the gear pump | US12294330 | 2007-05-14 | US08038422B2 | 2011-10-18 | René Triebe; Stefan Weber |
| Gearwheel pump, having a housing with at least two intermeshing gears with shafts supported by slide bearings lubricated with pumping medium (M) fed from a suction side to a pressure side, a return duct which leads pumping medium which flows outward through the plain bearing back to the suction side, and a valve (5) having a stationary part and a moveable part (20, 21). The valve (5) has a setting characteristic which runs, as a first approximation, linearly at least in one region, wherein the setting characteristic is defined by a differential pressure (Δp) across the valve as a function of a setting path (x) in the valve (5) thereby significantly improving capability for setting the pressure in the transition region between the plain bearing and a dynamic seal of a driveshaft which is guided outward. | ||||||
| 170 | Variable displacement vane pump | US12373138 | 2007-09-25 | US08038420B2 | 2011-10-18 | Yukio Uchida; Norikatsu Hoshina; Michiya Hiramoto; Jun Soeda |
| A variable displacement vane pump that assuredly suppresses seizing of mutually contacting surfaces of a pressure plate and a rotor where the pressure plate is formed, at one side surface thereof that slidably contacts the rotor, with an annular lubricating groove. The lubricating groove is on a seal surface of the side surface at a position between arcuate back pressure grooves formed on the seal surface and a through opening which is formed in a center part of the pressure plate to receive the drive shaft. A radial width of the lubricating groove is set to a range from 10% to 25% of a radial width of the seal surface, and a distance from a center of the radial width of the lubricating groove to an inner cylindrical surface of the through opening is set to a range from 24% to 70% of the radial width of the seal surface. | ||||||
| 171 | BEARING ARRANGEMENT FOR A PUMP | US12548651 | 2009-08-27 | US20110048384A1 | 2011-03-03 | Fergal Michael O'Shea; Daniel R. Ibrahim; Joseph Shane Burkitt |
| A fluid pump is disclosed. The fluid pump may comprise a housing, a tapered bearing, a drive shaft, a first fluid chamber, and a second fluid chamber. The housing defines a bore. The tapered bearing is received within the bore of the housing. The drive shaft is received within the tapered bearing. The first fluid chamber is defined between the housing and the drive shaft on a first side of the tapered bearing. The second fluid chamber is defined between the housing and the drive shaft on a second side of the tapered bearing. The second fluid chamber is separated from the first fluid chamber by the tapered bearing. The housing includes a fluid passage fluidly coupling the first fluid chamber and the second fluid chamber. | ||||||
| 172 | METHOD AND APPARATUS FOR LUBRICATING A SCREW PUMP SYSTEM | US12433490 | 2009-04-30 | US20100278672A1 | 2010-11-04 | Vasanth Kothnur; David Deloyd Anderson; Michael V. Drexel; Thomas Steen; Farshad Ghasripoor; Hrishikesh Vishvas Deo |
| A pump system includes inlet chambers, an outlet chamber, and rotors disposed inside the inlet chambers and the outlet chamber to pump a process fluid from the inlet chambers to the outlet chamber and to direct the process fluid to a separator. A gear chamber is configured to receive a portion of the process fluid from the separator. First and second sets of pump bearings are coupled to the rotors and lubricated by the portion of the process fluid flowing from the gear chamber. A conduit is configured to direct the portion of the process fluid from the pump bearings back to the gear chamber. Some of the portion of the process fluid lubricating the pump bearings is permitted to leak to the inlet chambers. Additional process fluid is continually added to the portion of the process fluid to compensate for fluid leaking to the inlet chambers. | ||||||
| 173 | LUBRICATING PINION AND LUBRICATING DEVICE | US12528743 | 2007-06-28 | US20100101352A1 | 2010-04-29 | Zdravko Paluncic; Andreas Schoenfeld |
| The invention relates to a lubricating pinion, particularly for a lubricating device, for the application of a lubricant pumped, for example, through a lubricant pipeline by a lubricating pump from a reservoir onto at least one gear wheel or the like. The lubricant pinion has an external tooth system onto which at least one lubricant outlet discharges. The lubricant pinion is constructed from at least two lubricant pinion parts which can be connected to one another along a preferably radial parting plane. At least one lubricant channel, which can be connected to the at least one lubricant outlet, extends in the parting plane. | ||||||
| 174 | Fuel Pumping System | US12511531 | 2009-07-29 | US20100024778A1 | 2010-02-04 | Martin Kenneth Yates |
| A fuel pumping system comprises a high pressure pump having a drive input, a drive gear driven for rotation, in use, by the drive input, an idler gear driven by the drive gear, and an output gear driven by the idler gear, wherein the output gear is arranged to drive a rotor of an electrical generator and the idler gear is arranged to drive a rotor of a low pressure pump. | ||||||
| 175 | LUBRICATING DEVICE WITH LUBRICATING PINION | US12300842 | 2007-04-26 | US20100000358A1 | 2010-01-07 | Zdravko Paluncic; Andreas Schoenfeld |
| Described is a lubricating device with at least one lubricating pinion for applying a lubricant, in particular grease, which is for example fed through a lubricant line by a lubricant pump from a reservoir, to at least one gearwheel or the like, wherein the lubricating pinion has an outer toothing into which at least one lubricant outlet opens out. The teeth of the outer toothing of the lubricating pinion have a shortened tooth flank profile in relation to an involute toothing, wherein the addendum and/or the width of the tooth flanks in the peripheral direction are reduced in a tooth flank section which is situated radially outside the reference circle. | ||||||
| 176 | VARIABLE DISPLACEMENT VANE PUMP | US12373138 | 2007-09-25 | US20090291008A1 | 2009-11-26 | Yukio Uchida; Norikatsu Hoshina; Michiya Hiramoto; Jun Soeda |
| [Task] To provide a variable displacement vane pump that assuredly suppresses seizing of mutually contacting surfaces of a pressure plate and a rotor.[Means for Achieving the Task] In this variable displacement vane pump, pump elements, such as a drive shaft 7, a rotor 8 and a pressure plate 11 are installed in a receiving space 2a of a front body 2, and an open side of the receiving space 2a is closed by a rear body 3. The pressure plate is formed, at one side surface thereof that slidably contacts the rotor, with an annular lubricating groove 44, the lubricating groove 44 being provided on a seal surface 43 of the side surface at a position between each of arcuate back pressure grooves 41 and 42 which are formed on the seal surface 43 and a through opening 26 which is formed in a center part of the pressure plate to receive the drive shaft. A radial width “W2” of the lubricating groove 44 is set to a range from 10% to 25% of a radial width “W1” of the seal surface, and a distance “L” from a center “P” of the radial width of the lubricating groove 44 to an inner cylindrical surface of the through opening is set to a range from 24% to 70% of the radial width of the seal surface. | ||||||
| 177 | MULTIPHASE SCREW PUMP | US11870466 | 2007-10-11 | US20090098003A1 | 2009-04-16 | Vasanth Srinivasa Kothnur; Michael Vincent Drexel; David Deloyd Anderson; Darren Lee Hallman; Ronghai Qu; Hrishikesh Vishvas Deo; Farshad Ghasripoor |
| A twin screw pump includes a pair of rotors disposed inside a casing having an inlet and an outlet. Each rotor includes a set of threads disposed on a portion of an outer surface of a shaft. A first bearing is coupled at a first end of the shaft and a second bearing is coupled at a second end of the shaft. The first and second bearings are not separated by one or more seals. The first and second bearings are configured for being lubricated by the liquid medium of the process fluid when the twin screw pump is in an operational mode. | ||||||
| 178 | Electric oil pump | US11314242 | 2005-12-22 | US20060140805A1 | 2006-06-29 | Kosuke Yamane; Masanori Umeno; Keisuke Kashiwa; Hirotaka Eno |
| An object of the invention is to provide an electric oil pump with greatly improved operation, increased endurance, and extended service life of an Oldham's coupling connecting a drive shaft that rotates a rotor in a pump housing and a motor output shaft in a motor housing. The electric pump comprises a pump housing having a rotor and a drive shaft for rotatably supporting the rotor, and a motor housing connected to the pump housing and having an output shaft connected to the drive shaft via an Oldham's coupling. The pump housing is provided with a coupling chamber for accommodating the Oldham's coupling, and a linking channel for transporting the leaked oil from a rotor chamber accommodating the rotor of the pump housing to the coupling chamber. | ||||||
| 179 | Oil pump | US11287320 | 2005-11-28 | US20060120896A1 | 2006-06-08 | Shoji Morita; Iwao Kondo; Hideaki Ohnishi; Yasushi Watanabe |
| An oil pump includes a shaft bearing bore, a drive shaft supported by the shaft bearing bore, an annular space between an inner peripheral surface of the shaft bearing bore and an outer peripheral surface of the drive shaft, a communication passage portion formed on the side of a pumping chamber inside the shaft bearing bore, and a communication groove formed opposite to the communication passage portion inside the shaft bearing bore. The communication passage portion is communicated between a discharge port and the annular space, and the communication groove is communicated with the annular space. Oil is stored in the annular space from the discharge port via the communication passage portion, and the oil flows into sliding clearance spaces of first and second journal portions via the annular space and the communication passage portion and the communication groove. | ||||||
| 180 | Gear pump | US11194902 | 2005-08-01 | US20060024188A1 | 2006-02-02 | Stephen Muscarella; Philip 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. | ||||||
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