ZA200503288B - Hydraulic machine, system for monitoring health ofhydraulic machine and method thereof. - Google Patents

Hydraulic machine, system for monitoring health ofhydraulic machine and method thereof. Download PDF

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Publication number
ZA200503288B
ZA200503288B ZA200503288A ZA200503288A ZA200503288B ZA 200503288 B ZA200503288 B ZA 200503288B ZA 200503288 A ZA200503288 A ZA 200503288A ZA 200503288 A ZA200503288 A ZA 200503288A ZA 200503288 B ZA200503288 B ZA 200503288B
Authority
ZA
South Africa
Prior art keywords
differential pressure
time series
filter
series data
representative
Prior art date
Application number
ZA200503288A
Other languages
English (en)
Inventor
Masato Kageyama
Yukio Shoji
Nobumi Yoshida
Original Assignee
Komatsu Mfg Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Komatsu Mfg Co Ltd filed Critical Komatsu Mfg Co Ltd
Publication of ZA200503288B publication Critical patent/ZA200503288B/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B51/00—Testing machines, pumps, or pumping installations
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/226—Safety arrangements, e.g. hydraulic driven fans, preventing cavitation, leakage, overheating
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2278—Hydraulic circuits
    • E02F9/2296—Systems with a variable displacement pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
    • F15B19/005—Fault detection or monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/04—Special measures taken in connection with the properties of the fluid
    • F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/08—Servomotor systems incorporating electrically operated control means
    • F15B21/085—Servomotor systems incorporating electrically operated control means using a data bus, e.g. "CANBUS"
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D31/00—Fluid couplings or clutches with pumping sets of the volumetric type, i.e. in the case of liquid passing a predetermined volume per revolution
    • F16D31/02—Fluid couplings or clutches with pumping sets of the volumetric type, i.e. in the case of liquid passing a predetermined volume per revolution using pumps with pistons or plungers working in cylinders
ZA200503288A 2004-05-21 2005-04-22 Hydraulic machine, system for monitoring health ofhydraulic machine and method thereof. ZA200503288B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004152047A JP4542819B2 (ja) 2004-05-21 2004-05-21 油圧機械、油圧機械の健康状態を監視するためのシステム及び方法

Publications (1)

Publication Number Publication Date
ZA200503288B true ZA200503288B (en) 2006-02-22

Family

ID=35423674

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200503288A ZA200503288B (en) 2004-05-21 2005-04-22 Hydraulic machine, system for monitoring health ofhydraulic machine and method thereof.

Country Status (7)

Country Link
US (1) US7082758B2 (ja)
JP (1) JP4542819B2 (ja)
CN (1) CN100458391C (ja)
AU (1) AU2005201599B2 (ja)
CA (1) CA2504225C (ja)
RU (1) RU2296239C2 (ja)
ZA (1) ZA200503288B (ja)

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Also Published As

Publication number Publication date
RU2296239C2 (ru) 2007-03-27
AU2005201599B2 (en) 2009-01-22
CA2504225A1 (en) 2005-11-21
CA2504225C (en) 2009-05-26
JP4542819B2 (ja) 2010-09-15
RU2005115346A (ru) 2006-11-27
US7082758B2 (en) 2006-08-01
CN100458391C (zh) 2009-02-04
US20050262838A1 (en) 2005-12-01
CN1699950A (zh) 2005-11-23
JP2005330935A (ja) 2005-12-02
AU2005201599A1 (en) 2005-12-08

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