JPS58113733A - 油圧系統中の汚染物量の測定装置 - Google Patents

油圧系統中の汚染物量の測定装置

Info

Publication number
JPS58113733A
JPS58113733A JP57213247A JP21324782A JPS58113733A JP S58113733 A JPS58113733 A JP S58113733A JP 57213247 A JP57213247 A JP 57213247A JP 21324782 A JP21324782 A JP 21324782A JP S58113733 A JPS58113733 A JP S58113733A
Authority
JP
Japan
Prior art keywords
piston
fluid
pressure
contaminants
spool
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP57213247A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0451718B2 (enExample
Inventor
マ−チン・ジヨン・フイツシヤ−
ロジヤ−・ア−テインデ−ル・ヘロン
マ−チン・ロ−レンス・ヒユ−ズ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
National Research Development Corp of India
Original Assignee
National Research Development Corp of India
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 National Research Development Corp of India filed Critical National Research Development Corp of India
Publication of JPS58113733A publication Critical patent/JPS58113733A/ja
Publication of JPH0451718B2 publication Critical patent/JPH0451718B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/06Investigating concentration of particle suspensions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D35/00Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/14Safety devices specially adapted for filtration; Devices for indicating clogging
    • B01D35/143Filter condition indicators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/04Special measures taken in connection with the properties of the fluid
    • F15B21/041Removal or measurement of solid or liquid contamination, e.g. filtering

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Pipeline Systems (AREA)
JP57213247A 1981-12-04 1982-12-04 油圧系統中の汚染物量の測定装置 Granted JPS58113733A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8136634 1981-12-04
GB8136634 1981-12-04

Publications (2)

Publication Number Publication Date
JPS58113733A true JPS58113733A (ja) 1983-07-06
JPH0451718B2 JPH0451718B2 (enExample) 1992-08-19

Family

ID=10526381

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57213247A Granted JPS58113733A (ja) 1981-12-04 1982-12-04 油圧系統中の汚染物量の測定装置

Country Status (5)

Country Link
US (1) US4495799A (enExample)
EP (1) EP0081340B1 (enExample)
JP (1) JPS58113733A (enExample)
DE (1) DE3274487D1 (enExample)
GB (1) GB2112530B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002122520A (ja) * 2000-09-29 2002-04-26 General Electric Co <Ge> 試験リグ及び同装置を用いて微粒子堆積及び清浄化を評価する方法

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4583396A (en) * 1982-08-13 1986-04-22 Ministry Of Defence Contamination level indicator
US4599893A (en) * 1983-04-18 1986-07-15 National Research Development Corporation Determining the level of contaminants in a hydraulic system
US5095740A (en) * 1987-12-31 1992-03-17 Diagnetics, Inc. System for monitoring and analyzing solid contaminents in fluids
GB9020811D0 (en) * 1990-09-25 1990-11-07 Heron Roger A Improvements in or relating to liquid flow systems
GB2263782B (en) * 1990-09-25 1994-03-30 British Tech Group Improvements in or relating to liquid flow systems
US5385043A (en) * 1993-10-15 1995-01-31 Diagnetics, Inc. Contamination measurement apparatus
US6474144B1 (en) * 2000-03-18 2002-11-05 John Barnes Determining the level of particulate contamination in a fluid power system
GB0017987D0 (en) * 2000-07-21 2000-09-13 Moog Controls Fluid containment sensor
GB2378251B (en) * 2001-08-02 2005-11-02 Moog Inc Method and apparatus for measuring fluid contaminants
EP3221694B1 (en) 2014-11-21 2021-01-06 Vestas Wind Systems A/S A contaminant sensor for detecting magnetizable contaminants in lubricant flow
NL2020053B1 (nl) * 2017-12-11 2019-06-19 N V Nederlandsche Apparatenfabriek Nedap Melkmeter

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3050987A (en) * 1959-01-28 1962-08-28 Boeing Co Contamination meter and process for detecting contamination
US3182670A (en) * 1963-01-16 1965-05-11 Martin Marietta Corp Means for decontaminating fluid systems
GB1098186A (en) * 1964-04-30 1968-01-10 Fairey Eng Apparatus for assessing the level of solid contaminants in hydraulic systems
US3359786A (en) * 1965-04-08 1967-12-26 Osakeyhtio Keskuslaboratorio C Method of and apparatus for determining the shives content in a fiber suspension
US3893334A (en) * 1973-01-24 1975-07-08 Australian Paper Manufacturers Estimating the concentration of solid matter suspended in a fluid stream
US3832094A (en) * 1973-03-23 1974-08-27 Int Basic Economy Corp Hydraulic pump
US3941958A (en) * 1974-08-09 1976-03-02 Caterpillar Tractor Co. Filter bypass indicator
US3952580A (en) * 1975-06-19 1976-04-27 J. I. Case Company Apparatus for counting particle contamination in a liquid

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002122520A (ja) * 2000-09-29 2002-04-26 General Electric Co <Ge> 試験リグ及び同装置を用いて微粒子堆積及び清浄化を評価する方法

Also Published As

Publication number Publication date
GB2112530B (en) 1986-09-17
GB2112530A (en) 1983-07-20
JPH0451718B2 (enExample) 1992-08-19
US4495799A (en) 1985-01-29
DE3274487D1 (en) 1987-01-15
EP0081340A1 (en) 1983-06-15
EP0081340B1 (en) 1986-11-26

Similar Documents

Publication Publication Date Title
JPS58113733A (ja) 油圧系統中の汚染物量の測定装置
JP5344912B2 (ja) 磁気式流量制御装置および磁気式流量制御方法
US5718822A (en) Differential pressure apparatus for detecting accumulation of particulates in a filter
AU678507B2 (en) Filter backflushing system
EP0116580B1 (en) Contamination level indicator
US3804758A (en) Screen changer
US3474906A (en) Valve controlled filter change indicator
US5139653A (en) System for draining water from oil storage tanks with periodic monitoring and recirculation
Sievert et al. Fabric cleaning in pulse-jet filters
EP0013932B1 (en) Device responsive to fluid leakage flows within a range from above a predetermined minimum to below a predetermined maximum and nonresponsive to fluid flows beyond said range
EP0013964B1 (en) Device responsive to fluid flows within a range from above a predetermined minimum to below a predetermined maximum and nonresponsive to fluid flows beyond said range
KR850002035A (ko) 이물제거방법(異物除去方法) 및 그 장치
US4468954A (en) Device for determining the concentration of suspended solid contaminants in a fluid
US5762783A (en) Filter flushing arrangement
KR20180067813A (ko) 배관용 자동 클리닝 필터 장치
GB2361548A (en) Determining the level of particulate contamination in a fluid power system
CN107198903A (zh) 获知净水装置的主过滤模块状态的方法以及净水装置
SU1723443A1 (ru) Сигнализатор расхода
CN222056469U (zh) 一种活性炭过滤罐管道对接件
JP3796946B2 (ja) 流量計
RU1830453C (ru) Сигнализатор расхода
US20060117839A1 (en) Microdebris monitor
WO1999033543A1 (en) Differential pressure apparatus for detecting accumulation of particulates in a filter
CN107219158A (zh) 获知净水装置的主过滤模块状态的方法和净水装置
Kelland et al. Critical pressure drop and flow velocity in axial HGMS matrices