公开(公告)号：US20040165993A1

公开(公告)日：2004-08-26

申请号：US10778227

申请日：2004-02-17

Applicant: DENSO CORPORATION

Inventor： Yasuo Tabuchi ,  Manabu Saiki ,  Masahito Yamashita ,  Junichi Ohguchi

IPC: F04B049/00

CPC classification number: F04B49/00 ,  F04B27/1036 ,  F04B27/1804 ,  F04B51/00 ,  F04B2201/0801 ,  F04B2201/0802 ,  F04B2205/05

Abstract: A limiter device is provided in a variable displacement compressor capable of varying a discharge displacement per revolution and compressing a fluid in a cycle. The limiter device includes an operating characteristic acquiring means for acquiring a predetermined characteristic during a compression operation of the compressor, and a varying means for varying the discharge displacement of the compressor to a minimum side when the predetermined characteristic obtained by the operating characteristic acquiring means exceeds a predetermined value. Thus, the limiter device can prevent the compressor from being brought into trouble such as locking and can protect a driving belt and other auxiliary equipment on a side of an engine, while it is unnecessary to provide a pulley with a limiter function.

Abstract translation: 限流装置设置在可变排量压缩机中​​，能够改变每转的排出位移并在一个循环中压缩流体。 所述限制装置包括用于在压缩机的压缩运行期间获取预定特性的工作特性获取装置，以及当由操作特性获取装置获得的预定特性超过时将压缩机的排出位移改变为最小侧的变化装置 预定值。 因此，限制装置能够防止压缩机发生锁定等问题，能够保护发动机侧的驱动带等辅助设备，而不需要设置具有限制功能的滑轮。

公开(公告)号：US20030161743A1

公开(公告)日：2003-08-28

申请号：US10290705

申请日：2002-11-08

Inventor： Robert R. Kimberlin ,  Robert E. Harvey, III ,  William M. Larson ,  William C. Rawnsley, JR.

IPC: F04B035/04

CPC classification number: F04C14/26 ,  F04B2201/0801 ,  F04B2203/0205 ,  F04C2/3446 ,  F04C11/008 ,  F04C14/06 ,  F04C14/28 ,  F04C15/0042 ,  F04C15/008 ,  F04C15/0096 ,  F04C23/008 ,  F04C29/023 ,  F04C29/045 ,  F04C2240/40 ,  F04C2270/18 ,  F04C2270/19 ,  F04D13/0633 ,  F04D13/064 ,  F04D29/106 ,  F04D29/588 ,  H02K5/128

Abstract: A fluid pump includes a pump head having an inlet for receiving fluid at a first pressure and an outlet for outputting fluid at a second pressure greater than the first pressure. Pressurized fluid is directed through a first passage to the outlet without the pressurized fluid leaving the pump head prior to reaching the outlet. A second passage directs pressurized fluid to a fluid circulation path which is at least partially external to the pump head with the fluid circulation path terminating adjacent the outlet. Pressurized fluid passing through the first and second passages is directed to the outlet without being re-pressurized by the pump head. The first and second passages are in opposed relation to one another to provide balancing of thrust produced by the flow of pressurized fluid through the passages. An electric motor drives the pump head. The fluid circulation path may include portions of the electric motor.

Abstract translation: 流体泵包括具有用于在第一压力下接收流体的入口和用于以大于第一压力的第二压力输出流体的出口的泵头。 加压流体在到达出口之前被引导通过第一通道到出口而没有加压流体离开泵头。 第二通道将加压流体引导到至少部分在泵头外部的流体循环路径，其中流体循环路径邻近出口终止。 通过第一和第二通道的加压流体被引导到出口而不被泵头重新加压。 第一和第二通道彼此相对关系，以提供通过通道的加压流体流产生的推力的平衡。 电动机驱动泵头。 流体循环路径可以包括电动机的部分。

公开(公告)号：US20030161738A1

公开(公告)日：2003-08-28

申请号：US10292226

申请日：2002-11-12

Inventor： Robert R. Kimberlin ,  Robert E. Harvey III

IPC: F04B049/00

CPC classification number: F04C14/26 ,  F04B2201/0801 ,  F04B2203/0205 ,  F04C2/3446 ,  F04C11/008 ,  F04C14/06 ,  F04C14/28 ,  F04C28/24 ,  F04C2270/18 ,  F04C2270/19 ,  F04D13/0633 ,  F04D29/106 ,  F04D29/588 ,  H02K5/128

Abstract: A pump head for a fluid pump driven by a motor includes an inlet for receiving fluid at a first pressure and an outlet for outputting fluid at a second pressure greater than the first pressure. A relief valve cavity formed in the pump head housing includes a first portion in fluid communication with the inlet and a second portion in fluid communication with the outlet. A relief valve is disposed in the relief valve cavity with no portion of the relief positioned to block or otherwise impede the normal flow of fluid through the inlet or outlet. The relief valve is bi-directional and configured to operate in two modes including: (1) a low pressure relief mode where fluid flows from the inlet to the outlet when fluid pressure at the inlet exceeds fluid pressure at the outlet by a first threshold amount; and (2) a high pressure relief mode where fluid flows from the outlet to the inlet when fluid pressure at the outlet exceeds fluid pressure at the inlet by a second threshold amount greater than the first threshold amount. The relief valve cavity is specially configured to provide a barrier preventing an element of the relief valve from damaging the pump head in the event the relief valve element fails.

Abstract translation: 用于由马达驱动的流体泵的泵头包括用于在第一压力下接收流体的入口和用于以大于第一压力的第二压力输出流体的出口。 形成在泵头壳体中的安全阀腔体包括与入口流体连通的第一部分和与出口流体连通的第二部分。 安全阀设置在安全阀腔中，没有一部分释放件被定位成阻挡或以其它方式阻碍通过入口或出口的流体的正常流动。 安全阀是双向的并且构造成以两种模式操作，包括：（1）低压释放模式，其中当入口处的流体压力超过出口处的流体压力第一阈值时，流体从入口流到出口 ; 和（2）高压释放模式，其中流体在出口处的流体压力在出口处的流体压力超过入口处的流体压力超过第一阈值量的第二阈值量时从出口流到入口。 安全阀腔体是特别设计的，以防止溢流阀元件出现故障时防止溢流阀的元件损坏泵头。

公开(公告)号：US06527517B1

公开(公告)日：2003-03-04

申请号：US09659960

申请日：2000-09-12

Applicant: Werner Wallrafen ,  Klaus Bluhm

Inventor： Werner Wallrafen ,  Klaus Bluhm

IPC: F04B4910

CPC classification number: F04B53/16 ,  F04B2201/0801

Abstract: A pump for a coolant circuit of an internal combustion engine of a motor vehicle includes a temperature sensor integrated into the pump for detecting the temperature of the fluid flowing into a pump chamber. The temperature sensor is inserted into a recess of a pump casing of the pump. The recess produces a reduced wall thickness (d) in the region proximate the temperature sensor. The reduced wall thickness improves the heat transition through the pump casing from the fluid to the temperature sensor and reduces the outlay in terms of production. Furthermore, the temperature sensor is arranged on a carrier material common to a control of the pump so that the susceptibility of the contacting of the temperature sensor to faults is reduced.

Abstract translation: 用于机动车辆的内燃机的冷却剂回路的泵包括集成在泵中的温度传感器，用于检测流入泵室的流体的温度。 温度传感器插入泵的泵壳的凹槽中。 该凹部在靠近温度传感器的区域中产生减小的壁厚度（d）。 减小的壁厚度改善了泵壳体从流体到温度传感器的热过渡，并减少了生产方面的费用。 此外，温度传感器布置在与泵的控制共同的载体材料上，使得温度传感器与故障的接触的敏感性降低。

公开(公告)号：US20020172256A1

公开(公告)日：2002-11-21

申请号：US09958550

申请日：2002-04-16

Inventor： Jingsheng Yu

IPC: G01K007/00 ,  G01K001/14 ,  G01K013/00

CPC classification number: B60T8/172 ,  B60T8/4022 ,  B60T8/404 ,  F04B2201/0801 ,  F04B2203/0202

Abstract: A method of determining the temperature of a hydraulic brake system of a motor vehicle is described, in which the temperature of the hydraulic pump is determined with the help of a model and by measuring the motor voltage (Um) and the power supply voltage after turning it on. The model has a state observer with which a temperature-dependent estimator is formed for the estimated temperature of the pump motor or the hydraulic pump. The estimator is determined at a defined time after turning on the power supply voltage, and the temperature of the hydraulic pump (1) is determined with the help of an empirical comparison table or curve. The estimated temperature or the change in temperature is used to correct or improve on the brake pressure control of the hydraulic brake system, in particular in the case of an anti-skid system (ABS) and/or an anti-spin control (ASC).

Abstract translation: 描述了一种确定机动车辆的液压制动系统的温度的方法，其中借助于模型确定液压泵的温度，并通过测量电动机电压（Um）和转动后的电源电压 它在。 该模型具有状态观测器，对于泵电动机或液压泵的估计温度，形成温度依赖性估计器。 在打开电源电压之后的确定时间确定估计器，并且借助于经验比较表或曲线来确定液压泵（1）的温度。 估计温度或温度变化用于校正或改善液压制动系统的制动压力控制，特别是在防滑系统（ABS）和/或防旋转控制（ASC）的情况下， 。

公开(公告)号：US6092370A

公开(公告)日：2000-07-25

申请号：US931248

申请日：1997-09-16

Applicant: Olivier L. Tremoulet, Jr. ,  Chidambaram Raghavan ,  Edmund Y. Ting

Inventor： Olivier L. Tremoulet, Jr. ,  Chidambaram Raghavan ,  Edmund Y. Ting

IPC: F04B49/06 ,  F04B51/00 ,  F16D31/00 ,  F01B25/26 ,  F04B49/00

CPC classification number: F04B51/00 ,  F04B49/065 ,  F04B2201/0801

Abstract: A method and apparatus for diagnosing components in high-pressure pumps to indicate when a component of the pump head is malfunctioning and to identify the malfunctioning component. In one embodiment, a high-pressure pump head incorporating a diagnostic system in accordance with the invention has a pressurization chamber and a pressurizing member at least partially received in the pressurization chamber. The pressurizing member moves within the pressurization chamber along an intake action to draw fluid into the pressurization chamber and along a pressurizing action to compress fluid in the pressurization chamber. An inlet fluid control assembly is coupled to the pressurization chamber to allow fluid to enter the pressurization chamber during the intake action, and a pressurized fluid control assembly is coupled between the pressurization chamber and an outlet chamber to selectively allow pressurized fluid into the outlet chamber during the pressurizing action. The pump head may also include a diagnostic system to indicate the operational status of each of the inlet fluid control assembly, the pressurized fluid control assembly and other components of the pump head upstream from the inlet fluid control assembly with respect to a fluid flow through the pump head during the pressurizing action.

Abstract translation: 一种用于诊断高压泵中的部件的方法和装置，以指示泵头的部件什么时候发生故障并识别故障部件。 在一个实施例中，结合根据本发明的诊断系统的高压泵头具有至少部分地容纳在加压室中的加压室和加压构件。 加压构件沿着进气动作在加压室内移动，以将流体引入加压室，并沿加压动作压缩加压室中的流体。 入口流体控制组件联接到加压室以允许流体在进气动作期间进入加压室，并且加压流体控制组件联接在加压室和出口室之间，以选择性地允许加压流体进入出口室 加压动作。 泵头还可以包括诊断系统，以指示入口流体控制组件，加压流体控制组件和泵头的其他部件在入口流体控制组件上游相对于流过流体流体的流体流动的操作状态 泵头在加压动作期间。

公开(公告)号：US20240183344A1

公开(公告)日：2024-06-06

申请号：US18286361

申请日：2022-01-25

Applicant: SICHUAN HONGHUA PETROLEUM EQUIPMENT CO., LTD

Inventor： Fangfang Zhang ,  Junqing Chai ,  Jian Cheng ,  Mingpeng Tang ,  Hui Zeng

IPC: F04B1/34 ,  E21B43/12 ,  F04B53/16 ,  F04B53/18

CPC classification number: F04B1/34 ,  E21B43/121 ,  F04B53/162 ,  F04B53/18 ,  F04B2201/0801 ,  F04B2205/06

Abstract: An efficient five-cylinder drilling pump system, includes a solid control system and a drilling rig provided, belonging to the technical field of petroleum drilling equipment; wherein the system includes a drilling pump group, a frequency conversion control room and a pump health system; the drilling pump group includes a base, the base is provided with a transmission assembly, a power end assembly, a hydraulic end assembly and a lubrication system; the frequency conversion control room is used to provide frequency-changing AC power for the transmission assembly, and realize the control and operation of the drilling pump group, the pump health system includes a power end health diagnosis system and a hydraulic end health diagnosis system; a high-power five-cylinder drilling pump system, a solids control system and a drilling rig of the present invention can monitor the pumping equipment in real time, and use electronic monitoring to monitor the pumping equipment in real time. Track pump performance parameters, display pump health status in real time, provide predictive pump inspection instructions, reduce unpredicted equipment downtime, improve equipment stability and reduce overall maintenance costs.

公开(公告)号：US11971025B2

公开(公告)日：2024-04-30

申请号：US17311708

申请日：2019-02-26

Applicant: Mitsubishi Electric Corporation

Inventor： Kohei Sakata ,  Shigeru Hata

IPC: F04B39/12 ,  F04B35/04 ,  F04B49/10

CPC classification number: F04B39/121 ,  F04B35/04 ,  F04B49/10 ,  F04B2201/0801

Abstract: A compressor includes: a plurality of terminals; a terminal cover protecting the plurality of terminals; a temperature sensor configured to detect a temperature of a shell; and a cover having a flat portion disposed around the plurality of terminals, and a sensor protection portion covering the temperature sensor, the sensor protection portion being integrally formed with the flat portion to extend from the flat portion. The terminal cover is attached to cover the flat portion of the cover in a state in which the temperature sensor disposed on the shell is covered by the sensor protection portion of the cover. Thus, it is possible to prevent a lead wire of the temperature sensor from being accidentally cut when the terminal cover is attached.

公开(公告)号：US20240133374A1

公开(公告)日：2024-04-25

申请号：US18491677

申请日：2023-10-19

Applicant: Dover Pumps & Process Solutions Segment, Inc.

Inventor： Jason Craig Martin ,  Vitali Kvachnev

IPC: F04B53/14 ,  F04B35/04 ,  F04B39/00 ,  F04B49/10

CPC classification number: F04B53/143 ,  F04B35/045 ,  F04B39/0022 ,  F04B49/10 ,  F04B2201/0205 ,  F04B2201/0801

Abstract: A method of monitoring degradation of seals of a packing case includes receiving signals from a first temperature sensor installed in a first location in a housing of the packing case; receiving signals from a second temperature sensor installed in a second location in the housing of the packing case; computing, from the signals, a temperature differential between the first temperature sensor and the second temperature sensor at two or more times; and determining, at least in part from the temperature differential at the two or more times, a degradation indicator for at least one of the seals of the packing case.

公开(公告)号：US11754067B2

公开(公告)日：2023-09-12

申请号：US17290477

申请日：2018-11-02

Applicant: QUANTUM SERVO PUMPING TECHNOLOGIES PTY LTD

Inventor： Darren Reukers ,  Peter Harding

IPC: F04B49/10 ,  F04B51/00

CPC classification number: F04B49/10 ,  F04B51/00 ,  F04B2201/0204 ,  F04B2201/0208 ,  F04B2201/0605 ,  F04B2201/0801 ,  F04B2201/0803 ,  F04B2203/0201 ,  F04B2205/03

Abstract: A pump including one or more pumping chambers, one or more drive mechanisms for driving the one or more pumping chambers and a logic arrangement. The first pumping chamber of the one or more pumping chambers has a first inlet check valve, a first outlet check valve and a first temperature sensor. The logic arrangement is configured to identify a leak by applying logic to at least resistance-data indicative of a resistance of the first pumping chamber to the driving and temperature-data at least based on output from the first temperature sensor.