JP2005121070A - 常開型油圧制御弁 - Google Patents
常開型油圧制御弁 Download PDFInfo
- Publication number
- JP2005121070A JP2005121070A JP2003354657A JP2003354657A JP2005121070A JP 2005121070 A JP2005121070 A JP 2005121070A JP 2003354657 A JP2003354657 A JP 2003354657A JP 2003354657 A JP2003354657 A JP 2003354657A JP 2005121070 A JP2005121070 A JP 2005121070A
- Authority
- JP
- Japan
- Prior art keywords
- land portion
- spool
- oil chamber
- control valve
- hydraulic control
- 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
Links
- 238000013016 damping Methods 0.000 claims abstract description 5
- 230000002093 peripheral effect Effects 0.000 claims description 26
- 239000003921 oil Substances 0.000 description 152
- 230000005540 biological transmission Effects 0.000 description 7
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005192 partition Methods 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Images
Classifications
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0603—Multiple-way valves
- F16K31/061—Sliding valves
- F16K31/0613—Sliding valves with cylindrical slides
-
- 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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/0401—Valve members; Fluid interconnections therefor
- F15B13/0402—Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool valves
-
- 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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/0401—Valve members; Fluid interconnections therefor
- F15B13/0407—Means for damping the valve member movement
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/86493—Multi-way valve unit
- Y10T137/86574—Supply and exhaust
- Y10T137/86622—Motor-operated
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/86493—Multi-way valve unit
- Y10T137/86574—Supply and exhaust
- Y10T137/8667—Reciprocating valve
- Y10T137/86694—Piston valve
- Y10T137/8671—With annular passage [e.g., spool]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
【解決手段】リニアソレノイド部S,このリニアソレノイド部Sの出力により前進駆動されるスプール22,このスプール22を嵌装するバルブボディ20,及びスプール22を後退方向に付勢する戻しばね23を備え,バルブボディ20には,スプール22を戻しばね23の付勢力と対抗すべく押圧する油圧を出力ポート38から導入する反力油室36と,スプール22の制振を行うダンパ油室36とを設けた常開型油圧制御弁において,バルブボディ20に,反力油室36にスプール22の第3ランド部253 を挟んで隣接するダンパ油室36を設け,上記反力油室36からダンパ油室36にオイルをリーク供給し得る摺動間隙gを第3ランド部253 及びバルブボディ20間に設けた。
【選択図】 図3
Description
V・・・・バルブ部
1・・・・常開型油圧制御弁
20・・・バルブボディ
22・・・スプール
23・・・戻しばね
251 ・・第1ランド部
252 ・・第2ランド部
253 ・・第3ランド部
36・・・ダンパ油室
37・・・供給ポート
38・・・出力ポート
39・・・ドレーンポート, 42・・・油圧源(油圧ポンプ)
44・・・油圧作動部
46・・・オイルタンク
49・・・油溜め室
Claims (7)
- リニアソレノイド部(S),このリニアソレノイド部(S)の出力により前進駆動されるスプール(22),このスプール(22)を摺動可能に嵌装するバルブボディ(20),及び前記スプール(22)を後退方向に付勢する戻しばね(23)を備え,前記バルブボディ(20)には,油圧源(42)に連なる供給ポート(37)と,油圧作動部(44)に連なる出力ポート(38)と,オイルタンク(46)に開放されるドレーンポート(39)とを設け,前記スプール(22)を,該スプール(22)の後退限では前記出力ポート(38)及びドレーンポート(39)間を遮断して前記供給ポート(37)及び出力ポート(38)間を導通し,該スプール(22)の前進により前記供給ポート(37)及び出力ポート(38)間を遮断して前記出力ポート(38)及びドレーンポート(39)間を導通するように構成し,前記バルブボディ(20)には,前記スプール(22)を前記戻しばね(23)の付勢力と対抗する方向に押圧する油圧を前記出力ポート(38)から導入する反力油室(36)と,前記スプール(22)の一端面を臨ませて該スプール(22)の制振を行うダンパ油室(36)とを設けた,常開型油圧制御弁において,
前記スプール(22)には,その前進・後退に応じて前記供給ポート(37)及び出力ポート(38)間を遮断・導通するように前記バルブボディ(20)内を摺動する第1ランド部(251 )と,またその前進・後退に応じて前記出力ポート(38)及びドレーンポート(39)間を導通・遮断するように前記バルブボディ(20)内を摺動する第2ランド部(252 )と,この第2ランド部(252 )より大径で前記バルブボディ(20)内を摺動する第3ランド部(253 )とを前記リニアソレノイド部(S)側から順次形成し,前記バルブボディ(20)には,前記第2及び第3ランド部(253 )の境界部を臨ませて前記出力ポート(38)と連通する反力油室(36)と,この反力油室(36)に前記第3ランド部(253 )を挟んで隣接するダンパ油室(36)とを設け,この反力油室(36)からダンパ油室(36)にオイルをリーク供給し得る摺動間隙(g)を前記第3ランド部(253 )及びバルブボディ(20)間に設けたことを特徴とする,常開型油圧制御弁。 - 請求項1記載の常開型油圧制御弁において,
前記第3ランド部(253 )に,前記反力油室(36)の油圧を受けて該第3ランド部(253 )に調心力を付与する調心手段(253 b)を設けたことを特徴とする,常開型油圧制御弁。 - 請求項2記載の常開型油圧制御弁において,
前記第1ランド部(251 )に,前記供給ポート(37)の油圧を受けて該第1ランド部(251 )に調心力を付与する調心手段(251 b)を設けたことを特徴とする,常開型油圧制御弁。 - 請求項2記載の常開型油圧制御弁において,
前記第2ランド部(252 )に,前記反力油室(36)の油圧を受けて該第2ランド部(252 )に調心力を付与する調心手段(252 b)を設けたことを特徴とする,常開型油圧制御弁。 - 請求項2記載の常開型油圧制御弁において,
前記第1ランド部(251 )に,前記供給ポート(37)の油圧を受けて該第1ランド部(251 )に調心力を付与する調心手段(251 b)を設けると共に,前記第2ランド部(252 )に,前記反力油室(36)の油圧を受けて該第2ランド部(252 )に調心力を付与する調心手段(252 b)を設けたことを特徴とする,常開型油圧制御弁。 - 請求項2〜5の何れかに記載の常開型油圧制御弁において,
前記調心手段を,対応する前記ランド部(251 〜253 )の外周面の一部に形成されて全周面に油圧を受けるテーパ面(251 b〜253 b)で構成したことを特徴とする,常開型油圧制御弁。 - 請求項2〜5の何れかに記載の常開型油圧制御弁において,
前記調心手段を,各前記ランド部(251 〜253 )外周面の一部に形成されて全周面に油圧を受ける縮径円筒面(253 c)で構成したことを特徴とする,常開型油圧制御弁。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003354657A JP4030491B2 (ja) | 2003-10-15 | 2003-10-15 | 常開型油圧制御弁 |
US10/963,748 US7104283B2 (en) | 2003-10-15 | 2004-10-14 | Normally open hydraulic control valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003354657A JP4030491B2 (ja) | 2003-10-15 | 2003-10-15 | 常開型油圧制御弁 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005121070A true JP2005121070A (ja) | 2005-05-12 |
JP4030491B2 JP4030491B2 (ja) | 2008-01-09 |
Family
ID=34612497
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2003354657A Expired - Lifetime JP4030491B2 (ja) | 2003-10-15 | 2003-10-15 | 常開型油圧制御弁 |
Country Status (2)
Country | Link |
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US (1) | US7104283B2 (ja) |
JP (1) | JP4030491B2 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008075765A (ja) * | 2006-09-21 | 2008-04-03 | Denso Corp | スプール弁 |
JP2012504740A (ja) * | 2008-10-06 | 2012-02-23 | イートン コーポレーション | 流体を供給するためのバルブ |
JP2013160354A (ja) * | 2012-02-08 | 2013-08-19 | Honda Motor Co Ltd | ソレノイドバルブおよびタンデム型ソレノイドバルブ |
JP7513891B2 (ja) | 2020-11-27 | 2024-07-10 | 株式会社不二越 | ノーマルオープン型電磁弁 |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4613576B2 (ja) * | 2004-10-14 | 2011-01-19 | 株式会社ジェイテクト | 電磁弁 |
CN100441886C (zh) * | 2004-11-12 | 2008-12-10 | 宁波华液机器制造有限公司 | 三通比例减压控制阀 |
US20070246111A1 (en) * | 2006-04-19 | 2007-10-25 | Santos Burrola | Actuating valve with control port vent to ameliorate supply pressure fluctuation |
JP4367502B2 (ja) * | 2007-03-06 | 2009-11-18 | トヨタ自動車株式会社 | 油圧制御装置 |
JP4836088B2 (ja) * | 2007-11-08 | 2011-12-14 | 日立オートモティブシステムズ株式会社 | 圧縮自己着火式内燃機関の制御装置および制御方法 |
US8235070B2 (en) * | 2008-06-02 | 2012-08-07 | Eaton Corporation | Two position three way valve |
US8302627B2 (en) * | 2008-06-02 | 2012-11-06 | Eaton Corporation | Hydraulic system |
CN102112755B (zh) * | 2008-06-02 | 2014-07-23 | 伊顿公司 | 阀组 |
US8540207B2 (en) * | 2008-12-06 | 2013-09-24 | Dunan Microstaq, Inc. | Fluid flow control assembly |
DE102010005524A1 (de) * | 2010-01-23 | 2011-07-28 | Robert Bosch GmbH, 70469 | Stromregelventil mit Dämpfungskammer |
JP5617830B2 (ja) * | 2011-12-12 | 2014-11-05 | 株式会社デンソー | 油圧制御装置 |
JP6072592B2 (ja) * | 2013-04-12 | 2017-02-01 | 本田技研工業株式会社 | 四輪駆動車の駆動力配分装置 |
US9316325B2 (en) * | 2013-07-25 | 2016-04-19 | Hamilton Sundstrand Corporation | Air purging pressure regulating valve |
US9625043B2 (en) * | 2013-11-08 | 2017-04-18 | Fisher Controls International Llc | Apparatus to bias spool valves using supply pressure |
US10830364B2 (en) | 2015-05-05 | 2020-11-10 | Eaton Intelligent Power Limited | Oil controlled valve |
US10309543B2 (en) * | 2016-09-13 | 2019-06-04 | Caterpillar Inc. | Edgeless valve spool design with variable clearance |
EP3513105B1 (en) | 2016-12-30 | 2024-08-07 | Parker-Hannifin Corporation | Valve with gradual flow area changes |
CH714023A1 (de) * | 2017-07-27 | 2019-01-31 | Liebherr Machines Bulle Sa | Hydraulische Vorrichtung, insbesondere Hydraulikventil oder Hydraulikregler. |
US10302201B2 (en) | 2017-08-30 | 2019-05-28 | Sun Hydraulics, Llc | Enhancement of valve flow and pressure characteristics in valves and hydraulic systems |
US10436344B2 (en) * | 2017-10-30 | 2019-10-08 | Sun Hydraulics, Llc | Pressure-balanced push-type manual actuation mechanism for a valve |
DE102019205640B4 (de) * | 2019-04-17 | 2021-12-23 | Hawe Hydraulik Se | Proportionales Hydraulikventil |
CN111255763B (zh) * | 2020-02-04 | 2022-02-15 | 浙江冠龙机械阀门有限公司 | 一种液压换向阀 |
CN111219375B (zh) * | 2020-03-03 | 2024-09-20 | 马鞍山卡迈特液压机械股份有限公司 | 一种液压破碎锤换向阀 |
Family Cites Families (11)
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US3212522A (en) * | 1963-10-11 | 1965-10-19 | Commercial Shearing | Series type valves with float position |
US4122868A (en) * | 1975-01-24 | 1978-10-31 | International Harvester Company | Hydraulic valve assembly having an axial flow force balanced spool |
JPH02129476A (ja) * | 1988-11-09 | 1990-05-17 | Aisin Aw Co Ltd | 圧力調整弁 |
JP2836789B2 (ja) * | 1990-11-05 | 1998-12-14 | アイシン・エィ・ダブリュ株式会社 | リニヤソレノイドバルブ装置 |
JP3601554B2 (ja) * | 1995-08-11 | 2004-12-15 | アイシン・エィ・ダブリュ株式会社 | 電磁式圧力調整弁 |
JP3627338B2 (ja) * | 1995-12-30 | 2005-03-09 | アイシン・エィ・ダブリュ株式会社 | 自動変速機の油圧制御装置における圧力調整弁 |
JP2000130629A (ja) * | 1998-10-23 | 2000-05-12 | Aisin Seiki Co Ltd | スプール弁型電磁弁 |
EP1197695A3 (en) * | 2000-10-13 | 2003-04-16 | Honda Giken Kogyo Kabushiki Kaisha | Spool valve |
US6615869B2 (en) * | 2001-03-26 | 2003-09-09 | Denso Corporation | Solenoid valve |
JP2002310309A (ja) * | 2001-04-18 | 2002-10-23 | Aisin Seiki Co Ltd | スプールバルブ |
US6676105B2 (en) * | 2001-12-20 | 2004-01-13 | Eaton Corporation | Self-contained hydraulic dampening for a solenoid operated spool valve |
-
2003
- 2003-10-15 JP JP2003354657A patent/JP4030491B2/ja not_active Expired - Lifetime
-
2004
- 2004-10-14 US US10/963,748 patent/US7104283B2/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008075765A (ja) * | 2006-09-21 | 2008-04-03 | Denso Corp | スプール弁 |
JP2012504740A (ja) * | 2008-10-06 | 2012-02-23 | イートン コーポレーション | 流体を供給するためのバルブ |
JP2013160354A (ja) * | 2012-02-08 | 2013-08-19 | Honda Motor Co Ltd | ソレノイドバルブおよびタンデム型ソレノイドバルブ |
JP7513891B2 (ja) | 2020-11-27 | 2024-07-10 | 株式会社不二越 | ノーマルオープン型電磁弁 |
Also Published As
Publication number | Publication date |
---|---|
JP4030491B2 (ja) | 2008-01-09 |
US7104283B2 (en) | 2006-09-12 |
US20050133098A1 (en) | 2005-06-23 |
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