JP6613101B2 - リターンフィルタ - Google Patents
リターンフィルタ Download PDFInfo
- Publication number
- JP6613101B2 JP6613101B2 JP2015210264A JP2015210264A JP6613101B2 JP 6613101 B2 JP6613101 B2 JP 6613101B2 JP 2015210264 A JP2015210264 A JP 2015210264A JP 2015210264 A JP2015210264 A JP 2015210264A JP 6613101 B2 JP6613101 B2 JP 6613101B2
- Authority
- JP
- Japan
- Prior art keywords
- discharge pipe
- filter
- oil
- discharge
- tank
- 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.)
- Active
Links
- 239000003921 oil Substances 0.000 description 56
- 239000010720 hydraulic oil Substances 0.000 description 30
- 230000002093 peripheral effect Effects 0.000 description 9
- 238000001914 filtration Methods 0.000 description 6
- 238000013459 approach Methods 0.000 description 5
- 230000012447 hatching Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Images
Classifications
-
- 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
- B01D29/07—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 with corrugated, folded or wound filtering sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/38—Feed or discharge devices
-
- 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
-
- 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
- B01D29/11—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 bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
-
- 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
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
-
- 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
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/92—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging filtrate
-
- 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
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- 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
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/26—Supply reservoir or sump assemblies
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/04—Supports for the filtering elements
- B01D2201/043—Filter tubes connected to plates
- B01D2201/0453—Filter tubes connected to plates positioned between at least two plates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/12—Pleated filters
Description
図1は、本発明の一実施形態であるリターンフィルタ1が内部に設けられた作動油タンク100の概略を示す正面図である。図2は、リターンフィルタ1が内部に設けられた作動油タンク100の概略を示す側面図である。図1、2では、作動油タンク100の要部を透視して図示している。また、図2においては、要部を断面表示している(ただし、断面を示すハッチングを省略している)。
本発明の第1の実施の形態は、第2の排出管32の端32bが板状の底面カバー32cにより覆われたが、端32bを覆う形態はこれに限られない。
10 :フィルタケース
10a :流入孔
10b :底面
10c :流出孔
20 :フィルタエレメント
21 :蓋体
22 :弾性部材
23 :内筒
23a :孔
24 :濾材
25、26 :プレート
27 :バルブ
28 :バイパスストレーナ
29 :バッファ板
30、30A :排出部
31 :第1の排出管
31a :端
32、32A :第2の排出管
32a、32b :端
32c、32e :底面カバー
32d :排出孔
32f :先端
100、100A :作動油タンク
101 :タンク本体
101a :流入口
101b、101c:蓋
101d :流出口
101e、101g:壁面
101f :底面
103 :サクションパイプ
110 :サクションストレーナ
Claims (5)
- タンクの内部に設けられるリターンフィルタであって、
略円筒状の濾材を有するフィルタエレメントと、
前記フィルタエレメントが内部に設けられた有底略円筒形状のフィルタケースであって、側面に流入孔が形成されるとともに、底面に流出孔が形成されたフィルタケースと、
両端に開口を有する略円筒形状の第1の排出管であって、前記流出孔に挿通され、前記タンクの底面に向かって突出して設けられる第1の排出管と、
前記第1の排出管を覆うように、かつ前記フィルタケースの底面から前記タンクの底面に向かって突出して設けられる略円筒形状の第2の排出管であって、第1の端は前記フィルタケースの底面に当接し、前記第1の端以外の端である第2の端は底面カバーにより覆われ、側面の前記フィルタケースの底面近傍の領域に複数の排出孔が形成される第2の排出管と、
を備えたことを特徴とするリターンフィルタ。 - 前記排出孔は、前記フィルタケースの底面に近づくにつれて直径が大きくなることを特徴とする請求項1に記載のリターンフィルタ。
- 前記排出孔は、前記排出孔の面積の合計が、前記第2の排出管の中心軸と直交する断面における前記第2の排出管の面積と前記第1の排出管の面積との差以上となるように形成されることを特徴とする請求項1又は2に記載のリターンフィルタ。
- 前記タンクの第1の壁面に隣接して設けられたリターンフィルタであって、
前記排出孔は、前記第1の壁面と対向する略半周の領域にのみ形成されることを特徴とする請求項1から3のいずれか一項に記載のリターンフィルタ。 - 前記底面カバーは、先端が前記第2の排出管の内部に突出する略円錐台形状であることを特徴とする請求項1から4のいずれか一項に記載のリターンフィルタ。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015210264A JP6613101B2 (ja) | 2015-10-26 | 2015-10-26 | リターンフィルタ |
EP16859496.8A EP3369942A4 (en) | 2015-10-26 | 2016-10-04 | RETURN FILTER |
PCT/JP2016/079425 WO2017073259A1 (ja) | 2015-10-26 | 2016-10-04 | リターンフィルタ |
US15/953,534 US20180229157A1 (en) | 2015-10-26 | 2018-04-16 | Return filter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015210264A JP6613101B2 (ja) | 2015-10-26 | 2015-10-26 | リターンフィルタ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017082862A JP2017082862A (ja) | 2017-05-18 |
JP6613101B2 true JP6613101B2 (ja) | 2019-11-27 |
Family
ID=58631513
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015210264A Active JP6613101B2 (ja) | 2015-10-26 | 2015-10-26 | リターンフィルタ |
Country Status (4)
Country | Link |
---|---|
US (1) | US20180229157A1 (ja) |
EP (1) | EP3369942A4 (ja) |
JP (1) | JP6613101B2 (ja) |
WO (1) | WO2017073259A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10441899B2 (en) * | 2016-05-27 | 2019-10-15 | Yamashin-Filter Corp. | Filter apparatus |
JP7219475B2 (ja) * | 2017-11-17 | 2023-02-08 | ヤマシンフィルタ株式会社 | フィルタ装置 |
CN109281895B (zh) * | 2018-11-20 | 2019-07-30 | 中联重科股份有限公司 | 液压油箱及其回油过滤装置 |
JP7191437B2 (ja) * | 2019-03-12 | 2022-12-19 | 株式会社竹内製作所 | 作業用車両の作動油タンク |
WO2024047542A1 (en) * | 2022-08-30 | 2024-03-07 | Mp Filtri S.P.A. | Filter for hydraulic fluids for hydraulic circuits |
WO2024047539A1 (en) * | 2022-08-30 | 2024-03-07 | Mp Filtri S.P.A. | Filter for hydraulic fluids for hydraulic circuits |
WO2024047543A1 (en) * | 2022-08-30 | 2024-03-07 | Mp Filtri S.P.A. | Filter for hydraulic fluids for hydraulic circuits |
WO2024047541A1 (en) * | 2022-08-30 | 2024-03-07 | Mp Filtri S.P.A. | Filter for hydraulic fluids for hydraulic circuits |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001090701A (ja) * | 1999-09-22 | 2001-04-03 | Komatsu Ltd | 作動油タンクのフィルタ装置 |
JP4184103B2 (ja) * | 2003-01-30 | 2008-11-19 | 株式会社小松製作所 | 気泡除去装置 |
EP2012021B1 (en) * | 2006-03-13 | 2017-05-03 | Komatsu Ltd. | Liquid tank |
US8430122B2 (en) * | 2008-08-29 | 2013-04-30 | Helgesen Design Services, Llc | Fluid tank with contamination containment system |
JP5550576B2 (ja) * | 2010-02-03 | 2014-07-16 | 株式会社ユーテック | 油タンク |
WO2014132356A1 (ja) * | 2013-02-27 | 2014-09-04 | 株式会社小松製作所 | 作業車両 |
KR20150008228A (ko) * | 2013-07-11 | 2015-01-22 | 현대중공업 주식회사 | 건설기계의 유압탱크 오일 플러싱 파이프 및 이를 이용한 오일 플러싱 방법 |
-
2015
- 2015-10-26 JP JP2015210264A patent/JP6613101B2/ja active Active
-
2016
- 2016-10-04 EP EP16859496.8A patent/EP3369942A4/en not_active Withdrawn
- 2016-10-04 WO PCT/JP2016/079425 patent/WO2017073259A1/ja active Application Filing
-
2018
- 2018-04-16 US US15/953,534 patent/US20180229157A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP3369942A4 (en) | 2020-01-15 |
WO2017073259A1 (ja) | 2017-05-04 |
JP2017082862A (ja) | 2017-05-18 |
US20180229157A1 (en) | 2018-08-16 |
EP3369942A1 (en) | 2018-09-05 |
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