| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 181 | Two-speed gerotor motor | EP83307573.2 | 1983-12-13 | EP0116217A1 | 1984-08-22 | Swedberg, Nils Einar |
A two-speed gerotor motor is disclosed of the type including a rotary disc valve member (55) of the type including valve passages (71 and 69) communicating between the inlet and outlet ports (61 and 65), respectively, and the fluid passages (57) defined by the port plate (19). The valve (55) also defines control valve passages (73) which communicate with an annular groove (75). Adjacent the valve member (55) is a valve seating mechanism (83) including a balancing ring member (85) which defines a plurality of axial passages (89) providing communication between a control fluid port (77) and the annular groove (75). As a result, the control valve passages may be communicated selectively with either the expanding volume chambers (29E) or the contracting volume chambers (29C). |
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| 182 | Pompe multiple à engrenages | EP83400618.1 | 1983-03-24 | EP0091347A1 | 1983-10-12 | Muller, Jean-Claude |
Le corps de pompe renferme une première pompe (1) alimentant (via 6) des équipements sous un fort débit et une seconde pompe (2) alimentant (via 7) un équipement d'une autre classe avec un faible débit, le retour du fluide de cet équipement s'effectuant dans la pompe, le trajet de retour (12, 122, 123, 124) débouchant dans le premier passage (9) d'amenée du fluide à la première pompe (1). Dans un mode de réalisation préféré, le trajet de retour passe par les axes creux des pignons fous des première et seconde pompe (1, 2) en permettant de même le retour à l'aspiration des fuites internes des paliers des pompes. |
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| 183 | Variable displacement vane pump | EP81108454.0 | 1981-10-17 | EP0051192A1 | 1982-05-12 | Stephan, Robert W. |
A variable displacement vane pump is provided in which a pair of rings (26, 28) having oval-shaped inner contours (30, 32) are rotatably mounted in side-by-side relationship. The rings (26, 28) are adapted for relative rotation to each other from a first position wherein the inner contours (30, 32) are in-register with each other and a moved position wherein the inner contours (30, 32) are out-of-register, and means are provided for effecting the relative rotation, which include a gear system (19, 19a, 19b, 122b) operatively connected to the rings. A rotor member (34) is mounted for rotation within the rings (26, 28) and is formed with a plurality of circumferentially spaced recesses (36) which extend the entire axial length of the rotor 34. Each of the recesses carries a pair of vanes (38) in abutting relationship. The vanes (38) are mounted for radial movement in the recesses and are adapted for slidable contact with the inner contours of the rings (26,28). The vanes (38) form two side-by-side rows of vanes with each row in tracking relationship with the inner contours (30, 32) of the rings (26, 28). With the inner contours (30, 32) rotated to the first position, rotation of the vanes (38) will pump a maximum volume of fluid through the pump and with the inner contours (30, 32) rotated to the moved position, the vanes (38) will pump a reduced volume of fluid through the pump. |
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| 184 | Industrial fluid circuits and method of controlling the industrial fluid circuits using variable speed drives on the fluid pumps of the industrial fluid circuits | US14689130 | 2015-04-17 | US10107283B2 | 2018-10-23 | David Man Chu Lau; Ka Lim Shek |
| An industrial fluid circulation system and method has at least one fluid circulation circuit in an industrial process, such as an HVAC system. The at least one fluid circulation circuit includes a plurality of pumps, at least two of the pumps connected in parallel to circulate a fluid through the at least one fluid circulation circuit. A separate motor drives each pump and a speed control is used to vary the speed of each motor to thereby vary the pumping capacity of each parallel connected pump. A load detector is provided to sense operating loads on the system, and each operating pump runs at one of: a predetermined equal reduced speed, a predetermined almost equal reduced speed, and a predetermined similar reduced speed, relative to a maximum speed to thereby optimize pump motor power usage in accordance with system operating loads. | ||||||
| 185 | System to Pump Fluid and Control Thereof | US15756942 | 2016-09-01 | US20180291895A1 | 2018-10-11 | Thomas Afshari |
| A fluid-driven actuator system includes a fluid-driven actuator and at least one proportional control valve and at least one pump connected to the fluid-driven actuator to provide fluid to operate the fluid-driven actuator. The at least one pump includes at least one fluid driver having a prime mover and a fluid displacement assembly to be driven by the prime mover such that fluid is transferred from the pump inlet to the pump outlet. The fluid driven actuator system also includes a controller that establishes at least one of a speed and a torque of the at least one prime mover to adjust at least one of a flow in the fluid system to a flow set point and a pressure in the fluid system to pressure set point and a concurrently establishes an opening of the at least one proportional control valve to adjust at least one of the flow to the flow set point and the pressure to the pressure set point. | ||||||
| 186 | Pump assembly with charge pump rotor, inversion pump rotor and scavenge pump rotor | US14949407 | 2015-11-23 | US09890783B2 | 2018-02-13 | Andrew R. Wilkinson; Andrew P. Grosskopf |
| A pump assembly is provided and includes a housing having first, second and third pairs of fluid openings and first, second and third rotary pumps, which are co-rotatable about a common longitudinal axis defined through the housing to drive fluid flow relative to the first, second and third pairs of fluid openings, respectively. The first rotary pump includes an input member receptive of rotational drive energy for the first, second and third rotary pumps. | ||||||
| 187 | TRANSFER DEVICE | US15539434 | 2016-01-06 | US20170356444A1 | 2017-12-14 | Mitsuhiro TAKEDA; Yoshihiro MIZUNO; Tetsuya KOHNO; Yoshinobu SOGA; Syuji MORIYAMA; Hiromitsu NITANI; Takafumi INAGAKI |
| A transfer device that includes a case that houses a transfer mechanism; a strainer that suctions oil stored in a lower portion of the case; a valve body that has a hydraulic supply circuit that supplies a hydraulic pressure to the transfer mechanism and a suction oil path that discharges an extra hydraulic pressure that is extra for the hydraulic supply circuit; a first suction inlet that communicates with one of the suction oil path and the strainer and a second suction inlet that communicates with the other of the suction oil path and the strainer, and a balanced vane pump. | ||||||
| 188 | Spiral compressor | US14761867 | 2014-01-10 | US09771937B2 | 2017-09-26 | Steve Beez; Marius Dusik; Jochen Eggler; Alfred Elsaesser; Sebastian Ewert; Achim Gommel; Karl-Heinz Hanslik; Ian Jago; Volker Kirschner; Ottokar Kunberger; Ian Reynolds; Thomas Schmidt; Sascha Senjic; Hans C. Uibeleisen; Cihan Yilmaz |
| A spiral compressor may include a stationary first spiral member and an orbiting second spiral member intermeshing with the first spiral member. The spiral compressor may include a pendulum slide mechanism that may have an inner ring and a stationary outer ring connected to the inner ring via a plurality of pendulums. The pendulum slide mechanism may include an eccentric member disposed on a radial inside of the inner ring with respect to a central access of the inner ring. The inner ring on an inner circumferential side may be drivingly connected to the eccentric member and on an outer circumferential side may be rigidly connected to the second spiral member. The second spiral member may transmit an orbiting motion in relation to the first spiral member via the pendulum slide mechanism when the eccentric member is driven. | ||||||
| 189 | PUMP ASSEMBLY WITH CHARGE PUMP ROTOR, INVERSION PUMP ROTOR AND SCAVENGE PUMP ROTOR | US14949407 | 2015-11-23 | US20170146013A1 | 2017-05-25 | Andrew R. Wilkinson; Andrew P. Grosskopf |
| A pump assembly is provided and includes a housing having first, second and third pairs of fluid openings and first, second and third rotary pumps, which are co-rotatable about a common longitudinal axis defined through the housing to drive fluid flow relative to the first, second and third pairs of fluid openings, respectively. The first rotary pump includes an input member receptive of rotational drive energy for the first, second and third rotary pumps. | ||||||
| 190 | Hydraulic machine with vane retaining mechanism | US14095654 | 2013-12-03 | US09638188B2 | 2017-05-02 | Norman Ian Mathers |
| A hydraulic pump or motor includes a body having a chamber and a rotor rotatably mounted within the chamber. The chamber and rotor are shaped to define one or more rise regions, fall regions, major dwell regions and minor dwell regions between walls of the chamber and the rotor. The rotor has a plurality of slots and vanes located in each slot. Each vane is movable between a retracted position and an extended position. In the retracted position, the vanes are unable to work the hydraulic fluid introduced into the chamber whereas they are able to work the hydraulic fluid introduced into the chamber in the extended position. A vane retaining member that is selectively actuable enables the vanes to be retained in the retracted position. | ||||||
| 191 | Long reach spindle drive systems and method | US14315441 | 2014-06-26 | US09604289B2 | 2017-03-28 | Wessley Jack Wilmot |
| A tool (100) for working the internal bore of a tube comprises a motor (10), having a housing with a rotary output; a housing sleeve (14a) and shaft (22); a first bearing housing (16), having a rotatably journalled first spindle (102), mounted on the housing sleeve; and an end sleeve and shaft connected to a tool head. The motor output drives, along a common axis (1), the housing shaft, first bearing spindle, end shaft and tool head. A change mechanism (56,58) is in the tool head to change direction of said drive to transverse said common axis. An output (60) is adapted to receive a tool bit. Gauge means (18,18′) is disposed on said tool head and is adapted, in use, to bear against the bore of the tube and maintain the tool head located radially with respect to the tube axis; and support means (24,24′) is disposed on one or more of said housing shaft, first bearing housing and end sleeve adapted, in use, to bear against the bore of the tube and support the tool. A long length of tool can work the inside of long tubes. | ||||||
| 192 | TWO ROTOR VANE PUMP | US14751472 | 2015-06-26 | US20160377077A1 | 2016-12-29 | TUSHAR P. KHANZODE; Richard F. Olenzek; Terrence D. Hogan |
| A vane pump includes a first cam ring and a second cam ring, a first rotor positioned in the first cam ring and a second rotor positioned in the second cam ring, and a shaft. The first rotor is engaged with the shaft so that the first rotor rotates relative to the first cam ring about an axis extending through the shaft, and the second rotor selectively engages with the shaft so that the second rotor selectively rotates relative to the second cam ring about the axis. A piston positioned in the shaft translates within the shaft between a first positon and a second position. When in the first position, the shaft engages with the second rotor so that the second rotor rotates relative to the second cam ring about the axis, and when in the second position, the shaft disengages with the second rotor so that the second rotor does not rotate relative to the second cam ring. | ||||||
| 193 | Multiple segment lobe pump | US13917560 | 2013-06-13 | US09470228B2 | 2016-10-18 | Brian J. O'Connor |
| Designs for multiple segment lobe pumps are shown. The designs include pumps using rotors having two lobes to a plurality of lobes and segments that include two segments to a plurality of segments. Designs for both vertical or straight walled conventional lobed rotors as well as helical lobe rotors are shown. The designs are applicable to a variety of rotors and number of segments. In one particular case the designs enable a three lobe helical pump. | ||||||
| 194 | METHODS AND APPARATUS FOR MEASURING RHEOLOGICAL PROPERTIES OF MULTI-PHASE FLUIDS | US14914499 | 2014-08-12 | US20160216188A1 | 2016-07-28 | Chirag KHALDE; Jitendra SANGWAI |
| An apparatus for measuring rheological properties of a multi-phase fluid is provided. The apparatus includes a static chamber configured to contain a multi-phase fluid having at least a first phase and a second phase. The apparatus also includes a rotor member submersed in the multi-phase fluid in the static chamber. The rotor member is rotatable about a horizontal rotational axis within the static chamber and the static chamber and the rotor member are oriented in a substantially horizontal direction. | ||||||
| 195 | First and second pumps in a common housing with parallel flow | US14132785 | 2013-12-18 | US09360010B2 | 2016-06-07 | Jens Ehrhardt; Andreas Misala |
| A pump (1) having a housing (15) with a suction-side fluid inlet (4) and with a pressure-side fluid outlet (5), having a first pump unit (2, 11) and having a second pump unit (3, 12), the first pump unit being connected hydraulically in parallel with respect to the second pump unit, wherein the housing (15) is of modular construction and has a first housing part (3), which houses the first pump unit (11), and also a second housing part (14), which houses the second pump unit (12), wherein the fluid inlet (4) of the housing (15) forms in each case one fluid connection to the first and to the second pump unit (2, 3, 11, 12), and wherein the fluid outlet (5) of the housing (15) forms in each case one fluid connection to the first and to the second pump unit (2, 3, 11, 12). | ||||||
| 196 | Fuel delivery device | US13808959 | 2011-06-09 | US09328710B2 | 2016-05-03 | Jost Krauss; Guenter Veit; Andreas Sommerer; Steffen Meyer-Salfeld |
| The invention proposes a fuel delivery device for a fuel injection device of an internal combustion engine, having a delivery pump (10) and having at least one high-pressure pump (16). By means of the delivery pump (10), fuel from a storage container (12) is delivered to the suction side of the high-pressure pump (16), and fuel is delivered into a high-pressure region (18) by the high-pressure pump (16). The delivery pump (10) has an adjustable displacement volume, which means that a variable quantity of fuel can be conveyed at the same rotational speed. | ||||||
| 197 | Multiple Pump Arrangement | US14742230 | 2015-06-17 | US20150285245A1 | 2015-10-08 | Helmuth Weber |
| An adaptive eccentric screw pump, which enables, if necessary, an increase of the output, the pressure and/or the simultaneous output of more than one output medium, and wherein the eccentric screw pump has comparably low energy consumption and the production and maintenance expenditure thereof is kept low. For this purpose, the eccentric screw pump is equipped with a modular output system, including at least two output modules having in each case one rotor and one stator, wherein the output modules are coupled to one another and merely one actuation unit is associated with the output system, and wherein the output system for an output medium has more than one inlet and/or outlet or at least one modular perfusion housing. | ||||||
| 198 | INDUSTRIAL FLUID CIRCUITS AND METHOD OF CONTROLLING THE INDUSTRIAL FLUID CIRCUITS USING VARIABLE SPEED DRIVES ON THE FLUID PUMPS OF THE INDUSTRIAL FLUID CIRCUITS | US14689130 | 2015-04-17 | US20150219093A1 | 2015-08-06 | David Man Chu LAU; Ka Lim SHEK |
| An industrial fluid circulation system and method has at least one fluid circulation circuit in an industrial process, such as an HVAC system. The at least one fluid circulation circuit includes a plurality of pumps connected in parallel to circulate a fluid through the at least one fluid circulation circuit, with at least two of the parallel connected pumps operating at all given loads. A separate motor drives each pump and a speed control is used to vary the speed of each motor to thereby vary the pumping capacity of each parallel connected pump. A load detector is provided to sense operating loads on the system, and each operating pump runs simultaneously at all loads, relative to a maximum pump speed, at a substantially similar reduced speed, a predetermined equal reduced speed or a predetermined almost equal reduced speed. | ||||||
| 199 | Compressed gas supply unit | US13849635 | 2013-03-25 | US09097255B2 | 2015-08-04 | Kenichi Kobayashi; Atsushi Unami |
| A compressed gas supply unit has scroll compressors. Gas discharged from the scroll compressors travels through a main supply passage and is reserved in a reservoir tank, after which the gas is supplied to a gas recipient from a supply passage. The scroll compressors include inverter devices that allow for independent modulation of the speeds of respective drive motors. The controller includes a speed range setting unit that sets an upper speed limit and a lower speed limit of the scroll compressors, a speed sum calculating unit that calculates a sum of speeds of the scroll compressors based on a load of the compressed gas supply unit, and a speed setting unit that allocates the calculated sum of speeds among the scroll compressors to set speeds for scroll compressors respectively. | ||||||
| 200 | POWER STEERING APPARATUS | US14415209 | 2013-09-13 | US20150183459A1 | 2015-07-02 | Daniel E. Williams; Amine Nhila |
| An apparatus for use in turning steerable vehicle wheels includes a power steering motor assembly connected with the steerable vehicle wheels. A first pump connected with the power steering motor assembly is continuously driven by an engine of the vehicle, during operation of the engine, to supply fluid under pressure to the power steering motor assembly. A second pump connected with the power steering motor assembly is continuously driven by an engine of the vehicle, during operation of the engine. A valve connected with the power steering motor assembly and the second pump directs fluid flow from the second pump to at least one of the power steering motor assembly and reservoir during operation of both the first pump and the second pump. A pumping mechanism includes a first pumping area defining the first pump and a second pumping area defining the second pump. The first pumping area is smaller than the second pumping area. | ||||||
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