一种电子膨胀阀
    1.
    发明申请

    公开(公告)号:WO2017024795A1

    公开(公告)日:2017-02-16

    申请号:PCT/CN2016/076350

    申请日:2016-03-15

    Inventor: 吕铭 陈伟龙

    CPC classification number: F04B49/00 F16K1/36 F25B41/04

    Abstract: 一种电子膨胀阀包括:阀座部件(10),其包括阀座(11)和插装于该阀座(11)内的阀芯座(12);阀杆部件(20),其能够沿阀芯座(12)的芯腔轴向移动以开启或关闭阀口(11a),以便导通或断开电子膨胀阀的两个接口。该阀杆部件(20)具有连通阀口(11a)的轴向通孔(20a)以及能够与阀口(11a)贴合密封的密封面(20b);阀杆部件(20)包括阀杆(21)和固设于阀杆下端的阀芯(22)。该阀杆(21)为圆筒状体,其包括小径段筒体(211)和靠近阀口的大径段筒体(212);大径段筒体(212)与阀芯座(12)之间具有第一间隙(h1),阀芯(22)与阀口(11a)之间具有第二间隙(h2)。该电子膨胀阀能够兼顾阀口密封性和开阀能力。

    CONTROLLER FOR HYDRAULIC PUMP
    2.
    发明申请
    CONTROLLER FOR HYDRAULIC PUMP 审中-公开
    液压泵控制器

    公开(公告)号:WO2016058797A1

    公开(公告)日:2016-04-21

    申请号:PCT/EP2015/071824

    申请日:2015-09-23

    CPC classification number: F04B1/063 F04B1/066 F04B49/00 F04B49/007 F04B49/22

    Abstract: A hydraulic pump (6) comprising: a housing (20) having first and second inlets (100a,100b) and first and second outlets (102a, 102b); a crankshaft (4) extending within the housing (20) and having axially offset first and second cams (62, 64); first and second groups (30, 32) of piston cylinder assemblies provided in the housing (20), each of the said groups (30, 32) having a plurality of piston cylinder assemblies having a working chamber of cyclically varying volume and being in driving relationship with the crankshaft (4); one or more electronically controllable valves (40) associated with the first and second groups (30, 32); and a controller (70) configured to actively control the opening and/or closing of the said electronically controllable valves (40) on each cycle of working chamber volume to thereby control the net displacement of fluid by the first and second groups (30, 32), wherein at least the first group (30) comprises a first piston cylinder assembly in driving relationship with the first cam (62) and a second piston cylinder assembly in driving relationship with the second cam (64), and wherein the first group is configured to receive working fluid from the first inlet (100a) and to output working fluid to the first outlet (102a) and the second group is configured to receive working fluid from the second inlet (100b) and to output working fluid to the second outlet (102b).

    Abstract translation: 一种液压泵(6),包括:具有第一和第二入口(100a,100b)和第一和第二出口(102a,102b)的壳体(20) 在所述壳体(20)内延伸并具有轴向偏移的第一和第二凸轮(62,64)的曲轴(4); 设置在壳体(20)中的活塞气缸组件的第一组和第二组(30,32),每个所述组(30,32)具有多个活塞气缸组件,所述多个活塞气缸组件具有周期性变化体积的工作室,并且正在行驶 与曲轴(4)的关系; 与第一组和第二组(30,32)相关联的一个或多个电子可控阀(40); 以及控制器(70),其被配置为在每个工作室容积循环上主动地控制所述电子可控阀(40)的打开和/或关闭,从而控制由第一组和第二组(30,32) ),其中至少第一组(30)包括与第一凸轮(62)驱动关系的第一活塞气缸组件和与第二凸轮(64)驱动关系的第二活塞气缸组件,并且其中第一组是 被配置为从第一入口(100a)接收工作流体并将工作流体输出到第一出口(102a),并且第二组构造成从第二入口(100b)接收工作流体并将工作流体输出到第二出口 (102B)。

    COMPRESSOR HAVING ELECTRICAL CONTROL AND HAVING A MECHANICAL ADDITIONAL VALVE
    3.
    发明申请
    COMPRESSOR HAVING ELECTRICAL CONTROL AND HAVING A MECHANICAL ADDITIONAL VALVE 审中-公开
    带有电子控制和机械辅助阀的压缩机

    公开(公告)号:WO2015154772A3

    公开(公告)日:2015-12-17

    申请号:PCT/DE2015200250

    申请日:2015-04-08

    CPC classification number: F04B39/10 F04B27/14 F04B27/18 F04B49/00 F04B49/16

    Abstract: The invention relates to a compressor (1) having an adjustable displacement volume, comprising a driving chamber (17), in which a driving unit, which has pistons and cylinders, is arranged, wherein the piston stroke can be changed by means of an angle-adjustable drive disk (12) and thus the displacement volume can be adjusted by means of the pressure in the driving chamber (17), the compressor having a driving-chamber feed flow, by means of which refrigerant flows via an electrically adjustable control valve (2) from the high-pressure side (outlet-pressure side) into the driving chamber (17) and with a driving-chamber outlet flow across a fluidic resistance to the low-pressure side (suction-pressure side), such that the intermediate pressure (driving-chamber pressure) in the driving chamber (17), which lies between the outlet pressure and the suction pressure, sets the adjusting angle of the drive disk (12), and wherein a mechanical valve (200) that can be adjusted by means of pressure forces is arranged in the driving-chamber feed flow, in series after the electrically adjustable control valve (2) in the flow direction.

    Abstract translation: 它是一个压缩机(1)具有可调节的冲程体积,已经提出了具有发动机室(17),其中,发动机设置有活塞和气缸,其特征在于,通过可调节的角度驱动带轮(12)的活塞行程变量,因此行程容积由 在动力室(17)的压力是可调节的,具有动力室供给流通过其经由电动调节的控制阀(2)到操作室(17)的高压侧(出口压力侧)的制冷剂,并通过与低压侧的流体阻力的发动机室流出物流(吸入压力侧) 流动,使得在通行的流动方向上的动力室供应流中的排出压力与吸入压力设定驱动板(12)的位移,并且其中间的中间压力(动力室压力)串联电动调节的控制阀(2)通过压缩力背后的动力室(17) 可调机械阀(200 )被安排。

    作業機械の圧油エネルギ回生装置
    4.
    发明申请
    作業機械の圧油エネルギ回生装置 审中-公开
    液压能源再生设备

    公开(公告)号:WO2015173963A1

    公开(公告)日:2015-11-19

    申请号:PCT/JP2014/063121

    申请日:2014-05-16

    Abstract:  排出された戻り油により駆動する回生用油圧モータと、回生用油圧モータと機械的に連結された第1油圧ポンプと、第1油圧アクチュエータ及び/または第2油圧アクチュエータを駆動する圧油を吐出する第2油圧ポンプと、第2油圧ポンプが吐出した圧油を合流させる合流管路と、第2油圧ポンプの吐出流量を調整可能とする第2調整器と、合流管路を流通する第1油圧ポンプからの圧油の流量を調整可能とする第1調整器とを備えた作業機械の圧油エネルギ回生装置において、制御装置は、入力された第2油圧ポンプの目標容量指令に応じて要求ポンプ流量を算出し、第1油圧ポンプからの圧油の流量が要求ポンプ流量以下になるように第1調整器へ制御指令を出力する第1演算部と、要求ポンプ流量から第1油圧ポンプからの圧油の流量を減算して算出し、この算出した目標ポンプ流量になるように第2調整器へ制御指令を出力する第2演算部とを備えた。

    Abstract translation: 本发明提供一种机械用液压能再生装置,该装置具备:排出的返回油驱动的再生液压马达; 机械地连接到再生液压马达的第一液压泵; 用于排出用于驱动第一液压致动器和/或第二液压致动器的液压流体的第二液压泵; 用于合流由第二液压泵排出的液压油的合流管; 第二调节器,使来自第二液压泵的排出流量可调; 以及第一调节器,其使来自第一液压泵的液压流体流过合流管可调。 在液压能再生装置中,控制单元设置有:第一计算单元,用于根据第二液压泵的输入目标容量指令计算所需的泵流量,并向第一调节器输出控制指令, 来自第一液压泵的液压流体处于或低于所需的泵流量; 以及第二计算单元,用于从所需泵流中减去来自第一液压泵的液压流体的流量,并将控制命令输出到第二调节器,以实现计算出的目标泵流量。

    LIQUID PRESSURIZATION PUMP AND SYSTEMS WITH DATA STORAGE
    5.
    发明申请
    LIQUID PRESSURIZATION PUMP AND SYSTEMS WITH DATA STORAGE 审中-公开
    液体加压泵和数据存储系统

    公开(公告)号:WO2015134966A1

    公开(公告)日:2015-09-11

    申请号:PCT/US2015/019409

    申请日:2015-03-09

    Abstract: The invention features methods and apparatuses for determining replacement of components in liquid pressurization systems. A replaceable component (362) for use in a pump of a liquid pressurization system includes a body portion (366) and a data storage mechanism (370). The data storage mechanism (370) is in physical contact with the body portion (366). The data storage mechanism (370) is configured to communicate information to a reader (386) of the liquid pressurization system. The information is usable to determine a condition of replacement (e.g., a remaining usable life) of the replaceable component.

    Abstract translation: 本发明的特征在于确定液体加压系统中部件替代的方法和装置。 用于液体加压系统的泵的可更换部件(362)包括主体部分(366)和数据存储机构(370)。 数据存储机构(370)与身体部分(366)物理接触。 数据存储机构(370)被配置为向液体加压系统的读取器(386)传送信息。 该信息可用于确定可替换组件的替换状况(例如,剩余可用寿命)。

    DIRECT VOLUME-CONTROLLING DEVICE (DVCD) FOR RECIPROCATING POSITIVE-DISPLACEMENT PUMPS
    6.
    发明申请
    DIRECT VOLUME-CONTROLLING DEVICE (DVCD) FOR RECIPROCATING POSITIVE-DISPLACEMENT PUMPS 审中-公开
    直接体积控制装置(DVCD)用于补偿积极位移泵

    公开(公告)号:WO2013163560A1

    公开(公告)日:2013-10-31

    申请号:PCT/US2013/038440

    申请日:2013-04-26

    Abstract: A volume control device having a housing with an inlet passage, an outlet passage, and an internal chamber communicating with the inlet and outlet passages. An accumulator is movably positioned within the internal chamber and substantially conforms with walls of the internal chamber, the accumulator including an internal passage allowing fluid flow therethrough. An one-way valve is positioned in the internal passage of the accumulator where the valve is biased in a closed position and an adjustable seat is positioned within the housing internal chamber between the accumulator and the housing outlet passage. A positioning mechanism engages the housing and adjustable seat whereby the position of the adjustable seat within the housing internal chamber may be adjustably fixed.

    Abstract translation: 一种音量控制装置,具有具有入口通道,出口通道和与入口通道和出口通道连通的内部室的壳体。 蓄能器可移动地定位在内部室内并且基本上与内部室的壁相符合,蓄能器包括允许流体流过其中的内部通道。 单向阀定位在蓄能器的内部通道中,其中阀被偏置在关闭位置,并且可调节的座被定位在蓄能器和壳体出口通道之间的壳体内部腔室内。 定位机构接合壳体和可调节座椅,由此可调节座椅在壳体内部腔室内的位置可调节地固定。

    METHODS FOR CONTROLLING DOUBLE-SUCTION LINE COMPRESSORS FOR REFRIGERATION SYSTEMS
    7.
    发明申请
    METHODS FOR CONTROLLING DOUBLE-SUCTION LINE COMPRESSORS FOR REFRIGERATION SYSTEMS 审中-公开
    用于控制制冷系统的双重吸力式压缩机的方法

    公开(公告)号:WO2012075555A8

    公开(公告)日:2013-07-25

    申请号:PCT/BR2011000455

    申请日:2011-12-09

    Abstract: The present invention relates to methods for controlling double-suction line compressors for use in refrigeration systems, capable of meeting different requirements with regard to cost, efficiency and temperature control by means of techniques of various complexity levels and different configurations of the elements of the control network (temperature sensors, actuators, controllers, etc). Among the proposed solutions, a method is described for controlling and adjusting the refrigeration capacity of a refrigeration system equipped with a double-suction line compressor, the refrigeration system comprising compartments to be refrigerated and at least two evaporators (20) arranged in the compartments (60, 70) to be refrigerated, while the double-suction line compressor (10) can be controlled so as to vary its compression capacity. The method comprises the following steps: (i) continuously measuring at least one temperature by means of a temperature sensor (SET.SCT) associated with at least one of the evaporators (20); and (ii) on the basis of the measurement obtained in step (i), acting upon the compression capacity of the compressor (10).

    Abstract translation: 本发明涉及用于控制用于制冷系统中的双吸管路压缩机的方法,其能够通过各种复杂度水平的技术和控制元件的不同配置来满足关于成本,效率和温度控制的不同要求 网络(温度传感器,执行器,控制器等)。 在所提出的解决方案中,描述了一种用于控制和调节装备有双吸管线压缩机的制冷系统的制冷能力的方法,所述制冷系统包括要冷藏的隔室和布置在隔室中的至少两个蒸发器(20) 60,70)被冷藏,同时可以控制双吸管路压缩机(10)以改变其压缩容量。 该方法包括以下步骤:(i)通过与至少一个蒸发器(20)相关联的温度传感器(SET.SCT)连续地测量至少一个温度; 和(ii)基于在步骤(i)中获得的测量值,作用于压缩机10的压缩容量。

    METHOD FOR DETECTION AND LOCALIZATION OF A FLUID LEAK RELATED TO A PISTON MACHINE
    8.
    发明申请
    METHOD FOR DETECTION AND LOCALIZATION OF A FLUID LEAK RELATED TO A PISTON MACHINE 审中-公开
    用于检测和定位与活塞机相关的流体泄漏的方法

    公开(公告)号:WO2012070947A1

    公开(公告)日:2012-05-31

    申请号:PCT/NO2011/000322

    申请日:2011-11-18

    Abstract: A method for detecting and localizing a valve leak in a piston machine (1) having a shaft 24, where the method includes: - attaching at least one vibration sensor (16', 16", 16''') to a valve block (14', 14", 14'''), of the piston machine (1); - measuring the vibrations from all vibration sensors (16', 16", 16'''); - attaching a sensor (22) to the piston machine (1) where the sensor is designed to produce, directly or indirectly, an angular shaft position signal for the shaft (24), and where the method further includes: - determining, directly or indirectly, an angular shaft position signal for the shaft (24); - transforming the vibration signals from all vibration sensors (16', 16", 16''') into one envelope signal representing the instant vibration level; - using the window functions to find sector based averages of the vibration level, and - comparing said averages with a critical ambient vibration level to detect and localize leaks in one or two valves.

    Abstract translation: 一种用于在具有轴24的活塞机(1)中检测和定位阀泄漏的方法,其中所述方法包括: - 将至少一个振动传感器(16',16“,16”)附接到阀块( 14“,14”,14“'); - 测量所有振动传感器(16',16“,16”')的振动; - 将传感器(22)附接到活塞机器(1),其中传感器设计成直接或间接地产生角轴 所述方法还包括: - 直接或间接地确定所述轴(24)的角轴位置信号; - 将来自所有振动传感器(16',16“)的振动信号 ,16“')转换为表示瞬时振动水平的一个包络信号; - 使用窗口函数来查找基于扇区的振动水平平均值,以及 - 将所述平均值与临界环境振动水平进行比较,以检测和定位一个或两个阀门中的泄漏。

    ELECTRIC FUEL PUMP TESTING METHOD AND APPARATUS
    10.
    发明申请
    ELECTRIC FUEL PUMP TESTING METHOD AND APPARATUS 审中-公开
    电动燃油泵测试方法和设备

    公开(公告)号:WO2008064063A3

    公开(公告)日:2008-12-11

    申请号:PCT/US2007084793

    申请日:2007-11-15

    CPC classification number: F04B49/00 F01N2560/05 F02M65/00 F02M65/002

    Abstract: A system and method for testing the operation of fuel pump is disclosed. The apparatus includes a pressure measurement portion, a flow measurement portion, an electrical diagnostic portion, and a fault simulation portion, where a user can simulate a number of potential fuel system failures to determine the diagnostics of the fuel system. The method includes the steps of measuring an electrical value related to said fuel pump, measuring a pressure related to said fuel pump, measuring a fuel flow related to said fuel pump, simulating a fuel system failure condition, and determining an operating status of said fuel pump.

    Abstract translation: 公开了一种用于测试燃料泵的操作的系统和方法。 该设备包括压力测量部分,流量测量部分,电诊断部分和故障模拟部分,其中用户可以模拟多个潜在的燃料系统故障以确定燃料系统的诊断。 该方法包括以下步骤:测量与所述燃料泵相关的电值,测量与所述燃料泵相关的压力,测量与所述燃料泵有关的燃料流量,模拟燃料系统故障状况,以及确定所述燃料的运行状态 泵。

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