公开(公告)号：US20190154015A1

公开(公告)日：2019-05-23

申请号：US16259726

申请日：2019-01-28

Applicant: Quantum Servo Pumping Technologies Pty Ltd.

Inventor： Darren J. REUKERS

IPC: F04B9/02 ,  B24C7/00 ,  F04B49/06 ,  F04B53/08 ,  F04B53/16 ,  F04B53/10 ,  F04B53/14 ,  F04B11/00 ,  F04B23/06 ,  H02K7/06 ,  F04B17/03 ,  B26F3/00 ,  B24C9/00

CPC classification number: F04B9/02 ,  B24C7/0007 ,  B24C9/00 ,  B26F3/004 ,  F04B1/02 ,  F04B11/005 ,  F04B11/0058 ,  F04B17/03 ,  F04B23/06 ,  F04B41/06 ,  F04B49/06 ,  F04B49/065 ,  F04B49/20 ,  F04B53/08 ,  F04B53/10 ,  F04B53/14 ,  F04B53/16 ,  F04B2201/0201 ,  F04B2201/0202 ,  F04B2203/0201 ,  F04B2203/0202 ,  F04B2203/0209 ,  F04B2205/03 ,  H02K7/06

Abstract: A high pressure pump including a linear actuator having a servo motor to axially rotate a hollow rotor shaft in alternating directions, the servo motor having a stator positioned co-axially around the hollow rotor shaft with an interior of the rotor shaft being co-axially coupled to a drive member to convert axial rotation into reciprocal displacement, the drive member being constrained against linear movement and supporting a shaft. At least one piston is coupled to the shaft and the piston is arranged within a cylinder to define a pumping chamber, whereby alternating rotation of the rotor shaft causes reciprocal linear displacement of the piston to pressurize fluid in the pumping chamber. A drive mechanism includes a controller coupled to a servomotor and an encoder to measure movement of the hollow rotor or output shaft and send a feedback signal proportional to the movement to the controller.

公开(公告)号：US20180267563A1

公开(公告)日：2018-09-20

申请号：US15460998

申请日：2017-03-16

Applicant: Regal Beloit America, Inc.

Inventor： Paul Steven Mullin

IPC: G05D7/06 ,  G05B19/048 ,  G01M13/00

CPC classification number: G01M13/00 ,  E03F5/22 ,  F04B17/03 ,  F04B23/04 ,  F04B49/00 ,  F04B49/065 ,  F04B51/00 ,  F04B2203/0201 ,  F04B2203/0202 ,  F04B2203/0205 ,  F04B2203/0401 ,  F04B2203/0402 ,  F04B2203/0405 ,  F04B2205/09 ,  G05B23/0237 ,  G05B2219/24015 ,  G07C3/00

Abstract: An information collection system for a pump for removing fluid collected by a buildings drainage system from subterranean locations adjacent a building is provided. The system includes a sensor for sensing operation information regarding the operation of the pump and an information collection device operably connected to the sensor and adapted to receive the operation information. The system also includes an information storage device operably connected to the information collection device and adapted to store the operation information. The system further includes a retrieval device operably connected to the storage device and adapted to retrieve the operation information.

公开(公告)号：US20180230991A1

公开(公告)日：2018-08-16

申请号：US15512123

申请日：2015-09-21

Applicant: Whirlpool S.A.

Inventor： Roberto ANDRICH ,  Daniel De Figueiredo MARIA

IPC: F04B49/03 ,  F04B35/04 ,  F04B39/10 ,  F04B39/08 ,  F04B49/06 ,  F04B49/10 ,  F04B51/00 ,  G01M15/04

CPC classification number: F04B49/03 ,  F04B35/04 ,  F04B39/08 ,  F04B39/10 ,  F04B39/1073 ,  F04B49/02 ,  F04B49/06 ,  F04B49/10 ,  F04B51/00 ,  F04B2201/0603 ,  F04B2203/0201 ,  F04B2203/0202 ,  F04B2203/0207 ,  F04B2203/0208 ,  F04B2203/0209 ,  G01M15/044

Abstract: The present invention relates to the compressors technological field used preferentially in cooling systems. Problem to be solved: Difficulty in detecting improper opening of the high pressure suction valve in multiple suction reciprocating compressor and, in more severe cases, interrupts operation of low pressure line(s). Problem resolution: Implementation of method which monitors at least one variable proportional to electrical engine torque, and based on detection of at least on positive peak of said variable proportional to torque of said electrical engine, identify and/or detects—in real time—improper opening of the valve.

公开(公告)号：US09926936B2

公开(公告)日：2018-03-27

申请号：US14286839

申请日：2014-05-23

Applicant: Ford Global Technologies, LLC

Inventor： Nicholas Dashwood Crisp ,  Mike Rowland ,  Peter Douglas Kuechler

IPC: B60H1/32 ,  F04D27/00 ,  F04D25/02 ,  F04D25/06

CPC classification number: F04D27/00 ,  B60H2001/3275 ,  F04B2201/06 ,  F04B2203/0201 ,  F04B2203/0401 ,  F04D25/024 ,  F04D25/0606

Abstract: Embodiments are disclosed that relate to controlling a compressor. In one example, method of controlling a compressor comprises regulating a discharge capacity of the compressor via a control current supplied to a control device, holding the control current supplied to the control device at substantially zero amperes for a first duration, and stepping the control current from substantially zero amperes to a sustainable current that provides a sustainable level of a performance parameter of the compressor.

公开(公告)号：US20170298924A1

公开(公告)日：2017-10-19

申请号：US14900010

申请日：2014-06-27

Applicant: EATON CORPORATION

Inventor： Yilun CHEN ,  Xiaomeng CHENG

IPC: F04B49/06 ,  F04B17/03 ,  F04C14/08 ,  F04B49/20 ,  F04C15/00

CPC classification number: F04B49/06 ,  F04B17/03 ,  F04B49/065 ,  F04B49/08 ,  F04B49/103 ,  F04B49/20 ,  F04B2201/1208 ,  F04B2203/0201 ,  F04B2203/0209 ,  F04B2205/05 ,  F04B2205/13 ,  F04C14/08 ,  F04C15/008 ,  F04C2270/095

Abstract: An anti-ripple injection method for injecting an anti-ripple signal into a control system of a pump is disclosed. The control system controls an electric motor via an electric motor drive, and the electric motor drives the pump. The anti-ripple signal causes pressure ripples in the pump output to be at least partially cancelled. The anti-ripple injection method comprises: injecting an anti-ripple signal of any waveform into the control system, the anti-ripple signal being represented by the following equation: f(θ)=ΣmAmcos(mθ+θm), wherein θ is the rotation angle of the motor shaft, m is the order of a signal harmonic in the anti-ripple signal, Am and θm are parameters with respect to the mth signal harmonic. A control system of a pump including the anti-ripple injection apparatus, and a pump system including the control system are also disclosed.

公开(公告)号：US20170288567A1

公开(公告)日：2017-10-05

申请号：US15511289

申请日：2015-08-05

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Yasutaka TAGUCHI ,  Junya MITSUI ,  Akira MORIGUCHI

IPC: H02M7/155 ,  H02M1/12 ,  H02M1/44 ,  H02M5/458 ,  H02M1/32 ,  G01R19/22 ,  G06G7/25

CPC classification number: H02M7/1557 ,  F04B35/04 ,  F04B39/02 ,  F04B49/06 ,  F04B49/103 ,  F04B49/20 ,  F04B2203/0201 ,  F04B2203/0209 ,  F24F11/89 ,  F25B1/00 ,  F25B13/00 ,  F25B49/022 ,  F25B2600/021 ,  F25B2600/0253 ,  F25B2700/151 ,  H02M1/12 ,  H02M1/32 ,  H02M1/44 ,  H02M5/458 ,  H02M7/48 ,  H02M2001/123 ,  H02P6/06

Abstract: A power converter including a compressor as a load includes a compensation current output (80) allowing compensation current (Ic), which compensates for leakage current (Ia), to flow. A controller (50) receives a detection signal from a rotational speed sensor (55) which senses the rotational speed of the compressor (CM). When the rotational speed has increased to a set rotational speed at which the leakage current (Ia) is lower than or equal to its limiting value (Lmax) (e.g., the limiting value specified under the Electrical Appliances and Materials Safety Act or by the IEC) in a state where the compensation current output (80) is off, the compensation current output (80) is switched from an on state to an off state. This may reduce the leakage current from the compressor with low power loss.

公开(公告)号：US09712103B2

公开(公告)日：2017-07-18

申请号：US15117303

申请日：2014-09-19

Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.

Inventor： Shogo Miyamoto

IPC: H02P6/00 ,  H02P29/66 ,  H02P6/08 ,  F04B17/03 ,  F04B49/02 ,  F16H61/00

CPC classification number: H02P29/66 ,  F04B17/03 ,  F04B49/02 ,  F04B2203/0201 ,  F04B2203/0205 ,  F04B2203/0209 ,  F16H61/0025 ,  H02P6/08 ,  H02P23/14 ,  H02P29/032 ,  H02P29/662

Abstract: The controller for an actuator that is driven by a brushless motor estimates the temperature of the magnet in the brushless motor on the basis of an electric current value and a rotation speed thereof which are obtained by supplying power to rotate the brushless motor in a reverse direction, and limits current flowing through the brushless motor during forward rotation so as to prevent the magnet temperature from rising beyond an allowable maximum temperature. Limiting the current flowing through the brushless motor on the basis of the estimated magnet temperature makes it possible to drive the brushless motor while preventing the magnet temperature from rising beyond the allowable maximum temperature without providing the brushless motor with any temperature sensor for detecting the magnet temperature therein.

公开(公告)号：US20170101985A1

公开(公告)日：2017-04-13

申请号：US15287731

申请日：2016-10-06

Applicant: Black & Decker Inc.

Inventor： Stephen J. Vos ,  Lance S. Hathcock ,  James Vintzel ,  Dalton E. McFarland

IPC: F04B39/02 ,  F04B35/04 ,  F04D25/08 ,  F04B39/06 ,  F04B49/02 ,  H01R39/20 ,  H02K7/10 ,  H02K13/10 ,  H02K23/64 ,  H02K29/00 ,  H01R39/60 ,  F04D25/06 ,  H02K9/06

CPC classification number: F04B39/0276 ,  F04B27/053 ,  F04B35/04 ,  F04B35/06 ,  F04B39/066 ,  F04B41/02 ,  F04B49/02 ,  F04B2203/0201 ,  F04B2203/0202 ,  H01R39/20 ,  H01R39/60 ,  H02K7/1004 ,  H02K9/06 ,  H02K13/10 ,  H02K23/64 ,  H02K29/00 ,  H02K2213/03

Abstract: An oil lubricated compressor having a universal motor, efficient starting and re-starting characteristics, and a long operating life. The oil lubricated compressor can have a brushed or brushless universal motor which can drive a cooling fan and a pump. The universal motor can achieve a high torque to voltage ratio, as well as a high torque to current ratio, upon starting or re-starting of the compressor. Optionally, the oil lubricated compressor can use a single cooling fan disposed in the compressor at a location which is between the universal motor and a cylinder head of the pump.

公开(公告)号：US09618156B2

公开(公告)日：2017-04-11

申请号：US14909248

申请日：2014-08-07

Applicant: Graco Minnesota Inc.

Inventor： Andrew J. Klaphake ,  Eric J. Mjolhus ,  Suresha S. Nijaguna ,  Jesse L. Lanie

IPC: F04B49/06 ,  F16N37/00 ,  F04B53/18 ,  F04B17/03 ,  F16N19/00 ,  F16N31/02 ,  F01M1/02 ,  F01M11/00 ,  F04B19/22 ,  F04C2/08 ,  F04C14/00 ,  F04C15/00 ,  F16N7/40 ,  F16N21/00 ,  F16N29/00 ,  F16N13/00 ,  G01F23/22 ,  G01F23/40

CPC classification number: F16N37/00 ,  F01M1/02 ,  F01M11/0004 ,  F01M2001/0215 ,  F01M2001/023 ,  F01M2001/0238 ,  F01M2001/0253 ,  F04B17/03 ,  F04B19/22 ,  F04B49/06 ,  F04B49/065 ,  F04B53/18 ,  F04B2203/0201 ,  F04C2/08 ,  F04C14/00 ,  F04C15/008 ,  F16N7/40 ,  F16N13/00 ,  F16N13/06 ,  F16N19/00 ,  F16N19/003 ,  F16N21/00 ,  F16N29/00 ,  F16N29/02 ,  F16N31/02 ,  F16N2013/063 ,  F16N2037/006 ,  F16N2250/00 ,  G01F23/22 ,  G01F23/40

Abstract: A motor control system for a lubricant pump motor comprises a pump system power input, a motor drive, a current sensor, a lubrication controller, and a drive controller. The pump system power input is configured to supply system power. The motor drive is configured to drive the lubricant pump motor using the system power. The current sensor is disposed between the pump system power input and the motor drive to sense an input current of the system power. The lubrication controller configured to provide motor activation signals. The drive controller is disposed to receive the motor activation signals via an isolated digital input, and to control the motor drive as a function of the sensed input current and a user-defined current set-point, in response to the activation signals.

公开(公告)号：US09479108B2

公开(公告)日：2016-10-25

申请号：US14415098

申请日：2013-06-06

Applicant: DENSO CORPORATION

Inventor： Koji Sakai

IPC: G05B5/00 ,  G05D23/00 ,  H02P29/02 ,  F04B49/06 ,  H02M7/5387 ,  H02P29/00 ,  F04C28/06 ,  F04C28/28 ,  F04B35/04 ,  F04B49/10 ,  H02P27/08 ,  H02H7/08 ,  G06F1/06 ,  H02P23/00 ,  H02H6/00 ,  H02M1/32 ,  F04C18/02 ,  F04C29/04 ,  H02M1/36

CPC classification number: H02P29/02 ,  F04B35/04 ,  F04B49/06 ,  F04B49/065 ,  F04B49/103 ,  F04B2203/0201 ,  F04B2203/0202 ,  F04B2203/0205 ,  F04C18/0215 ,  F04C28/06 ,  F04C28/28 ,  F04C29/047 ,  F04C2240/403 ,  F04C2240/808 ,  F04C2240/81 ,  G06F1/06 ,  H02H6/00 ,  H02H7/08 ,  H02M1/36 ,  H02M7/5387 ,  H02M7/53871 ,  H02M2001/327 ,  H02P6/28 ,  H02P23/0027 ,  H02P23/0072 ,  H02P23/24 ,  H02P27/085 ,  H02P29/68

Abstract: A controller for an electric compressor sets a temperature rise region A, a temperature drop region B, and a steady region C from change in temperature of switching elements, and sets a carrier frequency for each of the set regions. In the region A, the carrier frequency is changed according to the element temperature so that the carrier frequency decreases with increase of the element temperature at startup of a motor. In the region B and the region C, the carrier frequency is changed according to the number of revolutions of a compression mechanism, so that the carrier frequency decreases with increase of the number of revolutions of the compression mechanism, regardless of the element temperature.

Abstract translation: 用于电动压缩机的控制器根据开关元件的温度变化设定温度上升区域A，温度降低区域B和稳定区域C，并且为每个设定区域设定载波频率。 在区域A中，载波频率根据元件温度而改变，使得载波频率随着电机启动时元件温度的升高而降低。 在区域B和区域C中，载波频率根据压缩机构的转速而变化，从而随着压缩机构的转速的增加，载波频率减小，而与元件温度无关。