JPS6018369U - 除荷、逃し兼負荷補償複合弁 - Google Patents

除荷、逃し兼負荷補償複合弁

Info

Publication number
JPS6018369U
JPS6018369U JP1984086588U JP8658884U JPS6018369U JP S6018369 U JPS6018369 U JP S6018369U JP 1984086588 U JP1984086588 U JP 1984086588U JP 8658884 U JP8658884 U JP 8658884U JP S6018369 U JPS6018369 U JP S6018369U
Authority
JP
Japan
Prior art keywords
valve
cylinder chamber
valve seat
spud
poppet
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
JP1984086588U
Other languages
English (en)
Other versions
JPS621508Y2 (ja
Inventor
デニス・ジエイムズ・マカヴオイ
Original Assignee
スペリ−・ランド・コ−ポレ−シヨン
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 スペリ−・ランド・コ−ポレ−シヨン filed Critical スペリ−・ランド・コ−ポレ−シヨン
Publication of JPS6018369U publication Critical patent/JPS6018369U/ja
Application granted granted Critical
Publication of JPS621508Y2 publication Critical patent/JPS621508Y2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
    • F15B11/05—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed specially adapted to maintain constant speed, e.g. pressure-compensated, load-responsive
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30525—Directional control valves, e.g. 4/3-directional control valve
    • F15B2211/3053—In combination with a pressure compensating valve
    • F15B2211/30535—In combination with a pressure compensating valve the pressure compensating valve is arranged between pressure source and directional control valve
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/505—Pressure control characterised by the type of pressure control means
    • F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50518—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using pressure relief 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/505—Pressure control characterised by the type of pressure control means
    • F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50536—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using unloading valves controlling the supply pressure by diverting fluid to the return line
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/505—Pressure control characterised by the type of pressure control means
    • F15B2211/50563—Pressure control characterised by the type of pressure control means the pressure control means controlling a differential pressure
    • F15B2211/50572—Pressure control characterised by the type of pressure control means the pressure control means controlling a differential pressure using a pressure compensating valve for controlling the pressure difference across a flow control valve
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/515—Pressure control characterised by the connections of the pressure control means in the circuit
    • F15B2211/5151—Pressure control characterised by the connections of the pressure control means in the circuit being connected to a pressure source and a directional control valve
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/52—Pressure control characterised by the type of actuation
    • F15B2211/521—Pressure control characterised by the type of actuation mechanically
    • F15B2211/522—Pressure control characterised by the type of actuation mechanically actuated by biasing means, e.g. spring-actuated
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/52—Pressure control characterised by the type of actuation
    • F15B2211/528—Pressure control characterised by the type of actuation actuated by fluid pressure
    • 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
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2559—Self-controlled branched flow systems
    • Y10T137/2574—Bypass or relief controlled by main line fluid condition
    • Y10T137/2579—Flow rate responsive
    • Y10T137/2594—Choke
    • Y10T137/2597—Variable choke resistance
    • 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
    • Y10T137/87169—Supply and exhaust
    • Y10T137/87177—With bypass
    • Y10T137/87185—Controlled by supply or exhaust valve

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Safety Valves (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【図面の簡単な説明】
図面は、本考案の好適形態を具体化している弁を断面に
示している油圧動力装置の回路図である。 １０・・・・・・溜め、１２・・・・・・ポンプ、１４
・・・・・・除荷、逃し兼負荷補償複合弁（本体）、１
６・・・・・・方向切換弁、１８・・・・・・流体モー
ター、２０・・・・・・吐出導管、２２・・・・・・吐
出導管の延在部、２４．　２６．　２８・・・・・・排
出導管、３０．３２・・・・・・モーター導管、３４゜
３６・・・・・・分岐管、３８・・・・・・シャトル弁
、４０・・・・・・検出導管、４２・・・・・・パイロ
ット逃し弁、４４・・・・・・入口ポート（第１）、４
６・・・・・・出口ポート（第１）、４８・・・・・・
弁座（第１）、５０・・・・・・ポペット弁（第１）、
５２・：・・・・ピストン部分（カートリッジの一部）
、５４・・・・・・孔、５６・・・・・・ばね、５８・
・・・・・シリンダー室（第１）、６０・・・・・・入
口ポート（第２）、６２・・・−・・出口ポート（第２
）、６４・・・・・・弁座（第２）、６６・・・・・・
ポペット弁（第２）、６８・・・・・・ピストン部分、
７０・・・・・・孔即ちシリンダー室（第２）、７２・
・・・・・ばね、７４・・・・・・キャップ、７６・・
・・・・肉厚の薄い管状延在部、７８・・・・・・スパ
ッド、８ｏ・・曲孔、８２・・・・・・密封リング、８
４・・・・・・オリフィス即ち制限通路、８６・・・・
・・制御ポート即ち制御通路、８８・・曲絞り部。

Claims (1)

  1. 【実用新案登録請求の範囲】 １　第１の入口ポートと第１の出口ポートを備えた複合
    弁本体と、両ポート間の第１の弁座と、該弁座と対向し
    該弁座より幾分大きい直径を備・えた第１シリンダー室
    と、該弁座を閉じるよう移動自在な第１ポペツト弁を備
    え、該シリンダー室内で摺動自在なカートリッジと、該
    カートリッジを弁座閉鎖位置に向って付勢する該シリン
    ダー室内のはねと、第２の弁座を間に介在せしめた該カ
    ートリッジ内の第２の入口ポートと第２の出口ポートと
    、第２の弁座に対向し、第２の弁座より幾分大きい直径
    を有する第２シリンダー室と、第２の弁座・を閉じるよ
    うに第２シリンダー室内で摺動自在の第２ポペツト弁と
    、そのポペット弁を第２の弁座閉鎖位置に向けて付勢す
    る第２シリンダー室内のばねと、第２シリンダー室内に
    取り付けられ、第２ポペツト弁内の孔、及び、該カート
    リッジに固定され、且つ該孔を摺動自在に位置付けるス
    パッドからなる、第２シリンダー室内の圧力に露呈され
    る第２ポペツト弁の面積制御手段と、第１シリンダー室
    と第２シリンダー室を接続する制限通路と、第１シリン
    ダー室から導く制御通路とからなり、それにより、制御
    通路が排出に接続される際カートリッジが変位して第１
    弁座を開き、制御通路が負荷検出ポートに接続される際
    、第２ポペツト弁が第１の入口ポートと負荷検出ポート
    との間の一定差圧を維持し、制御通路がパイロット逃し
    弁に接続される際、第２ポペツト弁は第１の入口ポート
    における最高圧力をパイロット逃し弁の設定により決定
    される値に制限することを特徴とする除荷、逃し兼負荷
    補償複合弁。 ２　第２ポペツト弁内の孔が実質的に第２シリンダー室
    と同心状であり、スパッドが比較的薄い肉厚の管状芯棒
    の上に支持されて、製造手生じる真の同心性からの僅か
    の変位により生じるスパッドの僅かの横方向運動を可能
    ならしめるようにしたことを特徴とする実用新案登録請
    求の範囲第１項に記載の弁。
JP1984086588U 1975-02-10 1984-06-11 除荷、逃し兼負荷補償複合弁 Granted JPS6018369U (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/548,475 US3980095A (en) 1975-02-10 1975-02-10 Power transmission
US548475 1990-07-03

Publications (2)

Publication Number Publication Date
JPS6018369U true JPS6018369U (ja) 1985-02-07
JPS621508Y2 JPS621508Y2 (ja) 1987-01-14

Family

ID=24189002

Family Applications (2)

Application Number Title Priority Date Filing Date
JP51011204A Pending JPS51104630A (ja) 1975-02-10 1976-02-04
JP1984086588U Granted JPS6018369U (ja) 1975-02-10 1984-06-11 除荷、逃し兼負荷補償複合弁

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP51011204A Pending JPS51104630A (ja) 1975-02-10 1976-02-04

Country Status (5)

Country Link
US (1) US3980095A (ja)
JP (2) JPS51104630A (ja)
CA (1) CA1035243A (ja)
DE (1) DE2553736C2 (ja)
GB (1) GB1528938A (ja)

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* Cited by examiner, † Cited by third party
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US4062374A (en) * 1974-05-08 1977-12-13 Sperry Rand Limited Hydraulic valves and hydraulic systems
DE2803706A1 (de) * 1978-01-28 1979-08-02 Hebben Rolf Dipl Volksw Reduzierventil fuer hydraulisch angetriebene maschinen und maschinelle einrichtungen
DE2826610A1 (de) * 1978-06-19 1980-01-03 Bosch Gmbh Robert Ventilanordnung fuer einen hydraulischen verbraucher
JPS595259Y2 (ja) * 1979-01-12 1984-02-16 東芝機械株式会社 リリ−フバルブ兼用メイクアツプバルブ
DE3239119A1 (de) * 1982-10-22 1984-04-26 Wabco Westinghouse Fahrzeugbremsen GmbH, 3000 Hannover Ventileinrichtung zur steuerung von druckmittel
DE3611973C2 (de) * 1986-04-09 1994-04-14 Rexroth Mannesmann Gmbh Nebenschlußventil
DE4119297C2 (de) * 1991-06-12 2000-07-13 Bosch Gmbh Robert Hydraulische Ventileinrichtung zur Steuerung des Leerlaufs, der Druckbegrenzung und der Lastdruckkompensation
US5546752A (en) * 1995-02-23 1996-08-20 Hydro-Gear Ltd. Partnership Combination valve including improved neutral valve for use in hydrostatic transmission
ITBO20010059U1 (it) * 2001-06-29 2002-12-29 Paioli Spa Valvola automatica a portata variabile alla variazione della pressione particolarmente per l'alimentazione di scambiatori di calore per impi
US7234487B2 (en) * 2005-03-28 2007-06-26 Eaton Corporation Cross-over relief valve assembly for use in bi-directional circuit
WO2009010033A1 (de) * 2007-07-18 2009-01-22 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Überdruckventil für eine hydraulikanordnung
CN101498328B (zh) * 2009-03-13 2012-07-25 南京高精船用设备有限公司 实现自动循环冷却的船用液压站
JP5585817B2 (ja) * 2009-03-31 2014-09-10 アイシン精機株式会社 リリーフバルブ
JP5245994B2 (ja) * 2009-04-01 2013-07-24 トヨタ自動車株式会社 内燃機関の油圧制御装置
ATE555342T1 (de) * 2009-05-29 2012-05-15 Danfoss As Ventilanordnung
JP4942833B2 (ja) * 2010-04-07 2012-05-30 アイシン精機株式会社 リリーフ圧力変更機能付きリリーフバルブ
CN102392909B (zh) * 2011-11-17 2013-04-10 四川制动科技股份有限公司 一种压力容器限压机构
DE102015001755A1 (de) * 2015-02-11 2016-08-11 Hydac Fluidtechnik Gmbh Druckbegrenzungsventil
CN105041754A (zh) * 2015-08-24 2015-11-11 南京埃斯顿自动化股份有限公司 一种节流溢流阀
CN107893866B (zh) * 2017-09-27 2019-08-23 武汉船用机械有限责任公司 一种补油安全阀
CN108953266B (zh) * 2018-08-21 2020-06-19 威海协盈自动化科技有限公司 一种分阶段开启的平衡阀
CN112253820B (zh) * 2020-10-19 2022-04-01 中国核动力研究设计院 一种用于先导式安全阀的先导阀及先导式安全阀

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE908541C (de) * 1940-06-15 1954-04-08 Askania Werke Ag Selbsttaetiger Regler mit Kraftschalter
CH444601A (de) * 1966-12-13 1967-09-30 Beringer Hydraulik Gmbh Steuervorrichtung für hydraulisch betriebene Einrichtungen
US3592216A (en) * 1968-09-06 1971-07-13 Borg Warner Flow control valve
US3722543A (en) * 1971-11-02 1973-03-27 Hydraulic Industries Pressure compensated control valve

Also Published As

Publication number Publication date
JPS51104630A (ja) 1976-09-16
JPS621508Y2 (ja) 1987-01-14
DE2553736C2 (de) 1986-02-13
CA1035243A (en) 1978-07-25
DE2553736A1 (de) 1976-08-19
GB1528938A (en) 1978-10-18
US3980095A (en) 1976-09-14

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