公开(公告)号：US20240240629A1

公开(公告)日：2024-07-18

申请号：US18529918

申请日：2023-12-05

申请人： Detechtion USA Inc.

发明人： Adrian Cowan

IPC分类号： F04B49/02 ,  F04B49/06 ,  F04B25/00

CPC分类号： F04B49/02 ,  F04B49/022 ,  F04B49/065 ,  F04B25/00 ,  F04B2201/0208 ,  F04B2201/1201 ,  F04B2205/02 ,  F04B2205/05 ,  F04B2205/10 ,  F04B2205/11 ,  F04B2207/01 ,  F04B2207/0421 ,  F04B2207/0422 ,  F04B2207/70 ,  F04B2207/703

摘要： A dynamic compressor control is provided. The dynamic compressor control includes sensors to sense operating parameters of a compressor and a compressor analytic software package. The compressor analytic software package uses the sensed operating parameters of the compressor to generate key performance indicators. The key performance indicators are used to calculate process variables for the compressor. The dynamic compressor control uses the sensed operating parameters and the process variables calculated from the key performance indicators to provide operating alarms and/or shutdowns.

公开(公告)号：US20180231407A1

公开(公告)日：2018-08-16

申请号：US15750234

申请日：2016-07-13

申请人： DOSATRON INTERNATIONAL

发明人： Gregory LUCAS ,  Christophe CHARRIERE

IPC分类号： G01F1/36 ,  F04B13/02 ,  F04B43/067 ,  F04B9/10

CPC分类号： G01F1/36 ,  F04B9/10 ,  F04B13/02 ,  F04B43/067 ,  F04B2205/02 ,  F04B2207/70

摘要： Disclosed is a monitored proportional metering device including a liquid metering pump having an inlet, an outlet, a suction nozzle, and a mechanism for adjusting the flow in the nozzle. The metering device is also includes a detection assembly, the assembly including at least a unit for detecting the pressure variation in the nozzle, which unit is arranged between the first suction valve and the mixing chamber, a water meter at the inlet, a probe for measuring the level in the container of material to be suctioned, a unit for determining the position of the mechanism for adjusting the volume to be suctioned, and a man/machine interface for processing, recording, and displaying the data from the detection unit. Also disclosed are methods for monitoring a metering pump implementing the proportional metering device.

公开(公告)号：US20180187669A1

公开(公告)日：2018-07-05

申请号：US15861818

申请日：2018-01-04

申请人： Microjet Technology Co., Ltd.

发明人： Hung-Hsin LIAO ,  Shih-Chang CHEN ,  Jia-Yu LIAO ,  Yung-Lung HAN ,  Chi-Feng HUANG ,  Wei-Ming LEE

IPC分类号： F04B43/04

CPC分类号： F04B43/046 ,  A61M2205/0294 ,  F04B45/047 ,  F04B2205/02 ,  F04B2205/04

摘要： A miniature fluid control device for transporting gas is disclosed, which includes a gas inlet plate, a resonance plate, a piezoelectric actuator and a gas collecting plate stacked on each other. The gas inlet plate includes at least one inlet, at least one convergence channel and a circular cavity which forms a convergence chamber. The resonance plate has a central aperture. The piezoelectric actuator includes a suspension plate, an outer frame and a piezoelectric plate, wherein the suspension plate has a cylindrical bulge aligned with the circular cavity. The ratio of a second diameter of the cylindrical bulge to a first diameter of the circular cavity is set in a specified range to optimize the gas pressure of the transported gas, thus assuring efficiency of gas transmission of the miniature fluid control device.

公开(公告)号：US20160356270A1

公开(公告)日：2016-12-08

申请号：US15240581

申请日：2016-08-18

申请人： Caterpillar Inc.

发明人： Yanchai Zhang ,  Daryl Belshan ,  Vijay Janardhan ,  Zhaoxu Dong

IPC分类号： F04B51/00

CPC分类号： F04B51/00 ,  F04B49/065 ,  F04B2201/0802 ,  F04B2205/02 ,  F04B2205/04

摘要： A monitoring system for a fluid pump having a fluid end and a power end is provided. The monitoring system includes an inlet pressure sensor attached to an inlet manifold of the fluid end. The inlet pressure sensor generates a signal indicative of an inlet pressure of a fluid being supplied to the fluid end. The monitoring system includes a discharge pressure sensor attached to the fluid end. The discharge pressure sensor generates a signal indicative of a discharge pressure of the fluid exiting the fluid end. The monitoring system includes at least one accelerometer attached to the fluid end. The accelerometer generates a signal indicative of vibrational data of the fluid pump. The monitoring system includes a controller which receives signals from the inlet pressure sensor, the discharge pressure sensor and the accelerometer and determines a possible failure mode of the fluid pump.

摘要翻译： 提供了一种具有流体端和动力端的流体泵的监测系统。 监测系统包括连接到流体端的入口歧管的入口压力传感器。 入口压力传感器产生指示被供应到流体端的流体的入口压力的信号。 监测系统包括附接到流体端的排出压力传感器。 排出压力传感器产生指示离开流体端的流体的排出压力的信号。 监测系统包括至少一个连接到流体端的加速度计。 加速度计产生指示流体泵的振动数据的信号。 监控系统包括控制器，其接收来自入口压力传感器，排放压力传感器和加速度计的信号，并确定流体泵的可能故障模式。

公开(公告)号：US20130272900A1

公开(公告)日：2013-10-17

申请号：US13855107

申请日：2013-04-02

申请人： ZF FRIEDRICHSHAFEN AG

发明人： Tobias ZOLLNER ,  Christoph OMMER ,  Stefan-Ulrich PRANGE

IPC分类号： F04B49/00

CPC分类号： F04B49/002 ,  F04B17/03 ,  F04B23/04 ,  F04B49/02 ,  F04B49/065 ,  F04B2205/02 ,  F04B2205/09 ,  F04B2205/503

摘要： A method of controlling an auxiliary pump for supplying the hydraulic fluid of a hybrid transmission of a vehicle. The auxiliary pump, after the expiration of a predetermined time interval of deactivation, is activated to prevent accumulation of air in the intake area of the auxiliary pump. In addition, a device for the execution of the method, in which a control device is provided which has its signals connected with the electric auxiliary pump for the purpose of controlling the auxiliary pump in order to prevent accumulation of air in the intake area of the auxiliary pump.

摘要翻译： 一种控制用于供应车辆的混合动力传动装置的液压流体的辅助泵的方法。 在预定的停用时间间隔期满后，辅助泵被启动，以防止空气累积在辅助泵的进气区域中。 另外，为了实现上述方法，提供一种控制装置，该控制装置具有与电辅助泵连接的信号，用于控制辅助泵，以防止空气在吸入区域中积聚 辅助泵。

公开(公告)号：US20050244277A1

公开(公告)日：2005-11-03

申请号：US11086787

申请日：2005-03-22

申请人： Ernest Hurst ,  Hung Pham

发明人： Ernest Hurst ,  Hung Pham

IPC分类号： F04B49/00 ,  F04B49/06 ,  F25B49/02

CPC分类号： F25B49/022 ,  F04B49/065 ,  F04B2205/02 ,  F25B2400/0751 ,  F25B2400/22 ,  F25B2600/0253 ,  Y02B30/741

摘要： A compressor control system includes at least one variable compressor, at least one fixed-capacity compressor, and a controller. The controller modulates the variable compressor based on a suction pressure reading of the variable speed compressor. In addition, the controller selectively toggles the fixed-capacity compressor between a run mode and a shutdown mode based on an operating parameter of the variable compressor.

摘要翻译： 压缩机控制系统包括至少一个可变压缩机，至少一个固定容量压缩机和控制器。 控制器根据变速压缩机的吸入压力读数对可变压缩机进行调节。 此外，控制器基于可变压缩机的操作参数选择性地切换固定容量压缩机在运行模式和关闭模式之间。

公开(公告)号：US06434956B1

公开(公告)日：2002-08-20

申请号：US09632964

申请日：2000-08-04

申请人： Masaki Ota ,  Masahiro Kawaguchi ,  Ken Suitou ,  Ryo Matsubara ,  Taku Adaniya

发明人： Masaki Ota ,  Masahiro Kawaguchi ,  Ken Suitou ,  Ryo Matsubara ,  Taku Adaniya

IPC分类号： B60H132

CPC分类号： B60H1/3208 ,  F04B27/1804 ,  F04B49/065 ,  F04B2027/1827 ,  F04B2027/1854 ,  F04B2027/1859 ,  F04B2205/02 ,  F04B2205/03 ,  F04B2205/05 ,  F25B49/022 ,  F25B2400/076 ,  F25B2600/023

摘要： An air-conditioning system has a refrigerant circuit. The circuit includes a condenser, a expansion valve, an evaporator and a variable displacement compressor. The system has a pressure difference detector. The pressure difference detector detects the pressure difference between two pressure monitoring points located on the refrigerant circuit. A control valve and a controller control the displacement of the compressor in accordance with the pressure difference detected by the pressure difference detector. This permits the displacement of the compressor to be quickly changed.

摘要翻译： 空调系统具有制冷剂回路。 电路包括冷凝器，膨胀阀，蒸发器和可变容量压缩机。 该系统具有压力差检测器。 压力差检测器检测位于制冷剂回路上的两个压力监测点之间的压力差。 控制阀和控制器根据压力差检测器检测到的压力差来控制压缩机的排量。 这允许压缩机的位移快速改变。

公开(公告)号：US5305982A

公开(公告)日：1994-04-26

申请号：US999217

申请日：1992-12-31

申请人： Yehuda Tamari

发明人： Yehuda Tamari

IPC分类号： F16K7/06 ,  A61M1/00 ,  A61M1/14 ,  A61M1/36 ,  A61M39/22 ,  F04B43/00 ,  F04B43/12 ,  F16K7/02 ,  F16K7/07

CPC分类号： F04B43/1253 ,  A61M1/3621 ,  A61M1/3639 ,  A61M1/3641 ,  A61M39/228 ,  F04B43/0072 ,  F16K7/02 ,  F16K7/06 ,  F16K7/07 ,  A61M1/3643 ,  A61M2205/3337 ,  A61M2205/366 ,  F04B2205/02 ,  F04B2205/04 ,  F05C2225/08

摘要： The invention is a pressure sensitive valve that in different forms can be used to provide: an adjustable resistance to flow, adjustable positive or negative pressure relief, negative pressure isolation, isolation of pressure sensitive devices (e.g. pressure monitors) from blood and controlled recirculation between the inlet and outlet of pumps, particularly extracorporeal circulation. The construction of the valve is especially advantageous for extracorporeal circuits because the valve is made from one continuous length of tubing, thereby providing a valve that is more reliable, safer, and has fewer parts. A simple, compact and disposable system to adjust, regulate, and indicate negative or positive pressure applied to the valve is also described.

摘要翻译： 本发明是一种压力敏感阀，其可以以不同的形式提供：可调节的阻力流动，可调整的正或负压力释放，负压隔离，压力敏感装置（例如压力监测器）与血液之间的隔离和受控的再循环 泵的入口和出口，特别是体外循环。 阀门的结构对于体外回路特别有利，因为阀门由一段连续的管道制成，从而提供了一种更为可靠，更安全，更少零件的阀门。 还描述了简单，紧凑和一次性的系统来调节，调节和指示施加到阀的负压或正压力。

公开(公告)号：US5215450A

公开(公告)日：1993-06-01

申请号：US669641

申请日：1991-03-14

申请人： Yehuda Tamari

发明人： Yehuda Tamari

IPC分类号： A61M1/00 ,  A61M1/36 ,  F04B43/00 ,  F04B43/12

CPC分类号： A61M1/1037 ,  A61M1/0031 ,  A61M1/1039 ,  A61M1/3639 ,  F04B43/0072 ,  F04B43/1253 ,  F04B43/1276 ,  F04B2203/0209 ,  F04B2205/02 ,  F04B2205/04

摘要： The invention is a pumping system composed of a relatively thin wall extruded tubing that in different forms can provide flow regulation for peristaltic pumps, reduce spallation, extend pumping life, provide means to measure inlet and outlet pressure of the peristaltic pump and limits the inlet and outlet pressure generated by peristaltic pumps, and a special peristaltic pump that takes advantage of the characteristics of the aforementioned tubing. The invention has particular usefulness in the medical industry for pumping physiological or nutritional liquids.

摘要翻译： 本发明是由相对较薄的壁挤出管组成的泵送系统，其以不同的形式可提供蠕动泵的流量调节，减少分散，延长泵送寿命，提供测量蠕动泵的入口和出口压力的手段，并限制入口和 由蠕动泵产生的出口压力，以及利用上述管道特性的特殊蠕动泵。 本发明在医疗行业中用于泵送生理或营养液体具有特别的用途。

公开(公告)号：US12078157B2

公开(公告)日：2024-09-03

申请号：US17562214

申请日：2021-12-27

申请人： Hamilton Sundstrand Corporation

发明人： Weishun Willaim Ni ,  Edward W. Goy ,  Benjamin T. Harder ,  Mark W. Shoemaker

IPC分类号： F04B1/328 ,  F02C9/30 ,  F04B49/06 ,  F04B13/00

CPC分类号： F04B1/328 ,  F02C9/30 ,  F04B49/06 ,  F04B13/00 ,  F04B2201/12051 ,  F04B2205/02 ,  F04B2205/05

摘要： A variable displacement piston pump, having: a housing, a pivot assembly to pivot between minimal and maximum pivot angles; a pump cover defining an actuator bore with an actuator piston, an actuator arm extending from the actuator piston to the pivot assembly; and an electronic control unit (ECU) coupled to the pump, the ECU having: a pump controller, a linear variable differential transducer (LVDT) coupled to the pump controller and the actuator piston, and an electrohydraulic solenoid valve (EHSV) coupled to the pump controller, the ECU is configured to: determine a pivot differential for the pivot assembly between a target pivot angle and a current pivot angle; determine a position differential for the actuator piston, corresponding to the pivot differential of the pivot assembly; control the EHSV to move the actuator piston by the position differential; and determine, from the LVDT, that the actuator piston moved by the position differential.