KR910700448A - 유압회로 오염도 표시장치 및 그 판정방법 - Google Patents
유압회로 오염도 표시장치 및 그 판정방법Info
- Publication number
- KR910700448A KR910700448A KR1019900701852A KR900701852A KR910700448A KR 910700448 A KR910700448 A KR 910700448A KR 1019900701852 A KR1019900701852 A KR 1019900701852A KR 900701852 A KR900701852 A KR 900701852A KR 910700448 A KR910700448 A KR 910700448A
- Authority
- KR
- South Korea
- Prior art keywords
- filter
- circuit
- hydraulic
- display device
- inlet
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims 4
- 239000010720 hydraulic oil Substances 0.000 claims 5
- 238000011109 contamination Methods 0.000 claims 4
- 239000002245 particle Substances 0.000 claims 3
- 239000012530 fluid Substances 0.000 claims 2
- 238000001914 filtration Methods 0.000 claims 1
- 235000019580 granularity Nutrition 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/05—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements supported
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/52—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/52—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
- B01D29/54—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
- B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
- B01D29/606—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration by pressure measuring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering 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
- B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
- B01D35/143—Filter condition indicators
-
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0405—Monitoring quality of lubricant or hydraulic fluids
-
- 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
- F16N—LUBRICATING
- F16N29/00—Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems
- F16N29/04—Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems enabling a warning to be given; enabling moving parts to be stopped
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
- G01N15/0606—Investigating concentration of particle suspensions by collecting particles on a support
- G01N15/0618—Investigating concentration of particle suspensions by collecting particles on a support of the filter type
-
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0402—Cleaning of lubricants, e.g. filters or magnets
- F16H57/0404—Lubricant filters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S116/00—Signals and indicators
- Y10S116/42—Oil filter
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Dispersion Chemistry (AREA)
- Quality & Reliability (AREA)
- Fluid-Pressure Circuits (AREA)
- Filtration Of Liquid (AREA)
Abstract
내용 없음.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 제1실시예를 표시하는 전체구성도.
제2도는 필터부를 표시하는 단면도.
제3도는 본 발명의 제1실시예의 플로우차아트도.
Claims (8)
- 유압작동유의 회로속에 설치된 필터(4) (5) (6)의 입구와 출구의 압력차가, 미리 결정된 값을 초과하면 작동하도록 설정된 센서(8) (9) (10) (11)와, 센서에서의 신호를 받아서 작동하는 표시장치(13)를 구비하고, 유압작동유 속의 오염불질에 의하여 발생시키는 필터 (4) (5) (6) (73) (76)의 눈막힘을 필터의 입구와 출구의 압력차를 검출하여 표시하는 유압회로 오염도 표시장치에 있어서, 회로속에 이과입도가 다른 2개 이상의 필터(4) (5) (6) (73) (76)를 배치하고, 각각의 필터의 입구, 출구의 압력(Pa) (pb) (Pc) (Pd)을 검출하여, 입구와 출구의 압력차가 소정치를 초과했을 때에, 초과한 곳의 표시장치(13) (81)가 작동하는 것을 특징으로 하는 유압회로 오염도 표시장치.
- 제1항에 있어서, 전기한 2개 이상의 필터(4) (5) (6)의 배열은 여과 입도가 큰 필터(4) (5) (6)로 부터 순서로 직렬배치하는 것을 특징으로 하는 유압회로 오염도 표시장치.
- 제1항에 있어서, 전기한 2개 이상의 필터(73) (76)의 배열은 유압 회로에 분류밸브(71)를 설치하여 작동유의 유량을 2분하고 병렬로 배치하는 것을 특징으로 하는 유압회로 오염도 표시장치.
- 제1항에 있어서, 전기한 표시장치(13) (81)에는 입구와 출구의 압력신호를 받아서 제어장치(12) (80)로 연산하여 표시하는 것을 특징으로 하는 유압회로 오염도 표시장치.
- 제3항에 있어서, 전기한 표시장치(81)에는 필터(73) (76)를 병렬로 배치하는 회로에 배치된 오리피스(74) (77)와, 각각의 오리피스의 입구와 출구의 압력차가 미리 결정된 값으로 도달하면 작동하도록 설정된 센서(78) (79)와, 센서에서의 신호를 받아서 필터의 눈막힘 상황을 제어장치로 연산하고, 표시장치(81)에 신호를 발신하는 것을 특징으로 하는 유압회로 오염도 표시장치.
- 제3항 또는 제5항에 있어서, 전기한 분류밸브(71)에는 회로속에 설치된 필터(120)의 입구 회로에 배치하는 유량제어밸브(122)에 의하여 일정유량을 흐르게 하는 것을 특징으로 하는 유압회로 오염도 표시장치.
- 유압 작동유의 회로속에 설치된 필터(4) (5) (6)에 있어서, 필터내에 배설된 여과입도가 큰 필터로 부터 작동유를 차례로 통과시켜, 각 필터의 입구와 출구의 압력차가 소정량의 수치를 초과했을때, 필터에 설치할 센서(8) (9) (10) (11)에서 수치를 초과한 곳에서 압력신호를 발생시켜, 그 압력신호에 의하여 정상, 주의, 이상의 판정을 하여 표시를 실행하는 것을 특징으로 하는 유압회로 오염도 판정방법.
- 유압작동유의 회로속에 설치된 필터(73) (76)의 눈막힘의 유무를 검출하는 것에 의하여 오염도를 판정하는 유압회로의 오염도 판정방법에 있어서, 회로의 작동유의 유량을 2분하고, 각각의 회로에 여과입도가 다른 필터(73) (76)와 오리피스(74) (77)를 배치하며, 우선 한쪽 필터의 눈막힘의 유무를 오리피스의 입구와 출구의 압력차에 의하여 검출하고, 다음에 다른 한쪽 필터의 눈막힘의 유무를 검출하여 그 결과를 해석하며, 오염정도를 3단계 이상의 판정항목으로 구분하여 표시하는 것을 특징으로 하는 유압회로 오염도 판정방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63325536A JPH02170049A (ja) | 1988-12-23 | 1988-12-23 | 油圧回路汚染度表示装置およびその判定方法 |
JP63-325536 | 1988-12-23 | ||
JP4408989A JPH02223846A (ja) | 1989-02-23 | 1989-02-23 | 油圧回路汚染度判定方法 |
JP1-44089 | 1989-02-23 | ||
JP1046988A JPH02227110A (ja) | 1989-02-28 | 1989-02-28 | 油圧回路汚染度表示装置 |
JP1-46988 | 1989-02-28 | ||
PCT/JP1989/001285 WO1990007706A1 (en) | 1988-12-23 | 1989-12-21 | Apparatus for indicating contamination degree in a hydraulic circuit and determining method therefor |
Publications (1)
Publication Number | Publication Date |
---|---|
KR910700448A true KR910700448A (ko) | 1991-03-15 |
Family
ID=27291782
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019900701852A KR910700448A (ko) | 1988-12-23 | 1989-12-21 | 유압회로 오염도 표시장치 및 그 판정방법 |
Country Status (5)
Country | Link |
---|---|
US (1) | US5239861A (ko) |
EP (1) | EP0408758A4 (ko) |
KR (1) | KR910700448A (ko) |
AU (1) | AU619073B2 (ko) |
WO (1) | WO1990007706A1 (ko) |
Cited By (1)
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KR20110038065A (ko) * | 2008-06-27 | 2011-04-13 | 히다찌 겐끼 가부시키가이샤 | 작동유의 오염도 검출 장치 |
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1989
- 1989-12-12 US US07/566,452 patent/US5239861A/en not_active Expired - Fee Related
- 1989-12-21 WO PCT/JP1989/001285 patent/WO1990007706A1/ja not_active Application Discontinuation
- 1989-12-21 KR KR1019900701852A patent/KR910700448A/ko not_active Application Discontinuation
- 1989-12-21 AU AU48048/90A patent/AU619073B2/en not_active Ceased
- 1989-12-21 EP EP19900900350 patent/EP0408758A4/en not_active Withdrawn
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20110038065A (ko) * | 2008-06-27 | 2011-04-13 | 히다찌 겐끼 가부시키가이샤 | 작동유의 오염도 검출 장치 |
Also Published As
Publication number | Publication date |
---|---|
AU4804890A (en) | 1990-08-01 |
US5239861A (en) | 1993-08-31 |
AU619073B2 (en) | 1992-01-16 |
EP0408758A4 (en) | 1992-04-15 |
EP0408758A1 (en) | 1991-01-23 |
WO1990007706A1 (en) | 1990-07-12 |
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