JPS59163181U - トルク制限制御装置 - Google Patents

トルク制限制御装置

Info

Publication number
JPS59163181U
JPS59163181U JP1984038181U JP3818184U JPS59163181U JP S59163181 U JPS59163181 U JP S59163181U JP 1984038181 U JP1984038181 U JP 1984038181U JP 3818184 U JP3818184 U JP 3818184U JP S59163181 U JPS59163181 U JP S59163181U
Authority
JP
Japan
Prior art keywords
aperture
pressure
valve member
pair
servo
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.)
Pending
Application number
JP1984038181U
Other languages
English (en)
Inventor
ジヨゼフ・イ−・ルイス
ロジヤ−・デイ・キヤネル
Original Assignee
サンドストランド・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 サンドストランド・コ−ポレ−シヨン filed Critical サンドストランド・コ−ポレ−シヨン
Publication of JPS59163181U publication Critical patent/JPS59163181U/ja
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/007—Installations or systems with two or more pumps or pump cylinders, wherein the flow-path through the stages can be changed, e.g. from series to parallel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/26—Control
    • F04B1/30—Control of machines or pumps with rotary cylinder blocks
    • F04B1/32—Control of machines or pumps with rotary cylinder blocks by varying the relative positions of a swash plate and a cylinder block
    • F04B1/324—Control of machines or pumps with rotary cylinder blocks by varying the relative positions of a swash plate and a cylinder block by changing the inclination of the swash plate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/002—Hydraulic systems to change the pump delivery

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】
第１図は流体ポンプの一部が破断され且つ一部が断面で
示される２つの流体回路の一部の概略図、第２図は流体
ポンプの１つにおける制御弁の垂直縦中央断面図、第３
図は第１図の２つの流体ポンプにおけるポンプ排出量と
作動圧力の合計との関係を示すグラフである。図中、２
０．２１：ｍンプ、２５．　２６：ピストン、２７．　
２８：回転斜板、５０．６０ニジリンダ、５１．６１：
ばね、５２゜６２ニブランジヤ、５３．６３：リンク、
５４゜６４：アーム、５５，６５ニジリンダ、５６．６
６：ピストン、５７．　６７：リンク、Ｔｏ、７１：制
御弁、７７：弁部材、１００：カム。

Claims (1)

  1. 【実用新案登録請求の範囲】 関連したポンプピストンの行程を制御する斜板と、流体
    入口と別個のモータに接続する流体圧力出口とを夫々有
    する一対の可変容積軸流ピストンポンプ、 斜板を全行程位置以外圧する手段と、全行程位置以外の
    位置にて斜板を位置決めする圧力応答位置とを有する各
    斜板を位置決めするサーボ装置、ポンプにより生じられ
    る流体圧力を総合してポンプによって供給されるトルク
    の合計を制限する°　よう圧力の合計が予定値以上に上
    ったときに全行程位置から斜板を順次動かすようサーボ
    装置を制御する制御装置、 該一対のポンプの各々と関連し且つ関連したポンプの出
    口に接続された圧力孔口を有する一対の制御弁、を備え
    、 各制御弁は孔口と圧力孔口と排出孔口と該孔口に連通ず
    るサーボ孔口とがあるハウジングを有し、該孔口内の弁
    部材、サーボ孔口を排出孔口に接続する位置に弁部材を
    押圧すべく弁部材と係合するばね部材、排出孔口を閉じ
    てサーボ孔口を圧力孔口に対して開く方向にばね部材に
    抗して弁部材を動かすよう該一対のポンプにより生じら
    れる流体圧力を総合すべく弁部材およびばね部材と同軸
    になった一対の圧力応答区分、斜板を位置決めすべく１
    つのポンプの出口圧力が当該ポンプのサーボ装置に作用
    されるようサーボ孔口をサーボ装置に連接する手段、カ
    ムとカムホロワを有しカムが斜板位置に応答して位置決
    めされてカムホロワが弁部材とばねとに同軸の関係で作
    用して弁部材の制御作用を変えるようになす各ポンプお
    よび制御弁の１つと関連した一対のフィードバック装置
    を備えたトルク制限制御装置。
JP1984038181U 1974-05-20 1984-03-19 トルク制限制御装置 Pending JPS59163181U (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/471,573 US3941514A (en) 1974-05-20 1974-05-20 Torque limiting control
US471573 1990-01-29

Publications (1)

Publication Number Publication Date
JPS59163181U true JPS59163181U (ja) 1984-11-01

Family

ID=23872143

Family Applications (2)

Application Number Title Priority Date Filing Date
JP50059343A Pending JPS50160801A (ja) 1974-05-20 1975-05-20
JP1984038181U Pending JPS59163181U (ja) 1974-05-20 1984-03-19 トルク制限制御装置

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP50059343A Pending JPS50160801A (ja) 1974-05-20 1975-05-20

Country Status (7)

Country Link
US (1) US3941514A (ja)
JP (2) JPS50160801A (ja)
CA (1) CA1029601A (ja)
DE (1) DE2521939A1 (ja)
FR (1) FR2272276B1 (ja)
GB (1) GB1512996A (ja)
IT (1) IT1035780B (ja)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3999892A (en) * 1976-02-09 1976-12-28 Caterpillar Tractor Co. Interconnected pump control means of a plurality of pumps
DE2720711C2 (de) * 1977-05-07 1986-10-09 Linde Ag, 6200 Wiesbaden Axialkolbenmaschine
US4162874A (en) * 1977-11-07 1979-07-31 Parker-Hannifin Corporation Horsepower summation control for variable displacement
US4212596A (en) * 1978-02-23 1980-07-15 Caterpillar Tractor Co. Pressurized fluid supply system
FR2439314A1 (fr) * 1978-10-16 1980-05-16 Messier Hispano Sa Perfectionnements aux moteurs et aux pompes hydrauliques, du type autoregulateur a pistons axiaux
US4381646A (en) * 1980-09-12 1983-05-03 Caterpillar Tractor Co. Torque and high pressure limiting control for variable displacement pumps
DE3071998D1 (en) * 1980-09-12 1987-09-03 Caterpillar Inc Horsepower consumption control for variable displacement pumps
JPS57140577A (en) * 1981-02-24 1982-08-31 Daikin Ind Ltd Liquid pressure pump of variable capacity
JPS57140576A (en) * 1981-02-24 1982-08-31 Daikin Ind Ltd Liquid pressure pump of variable capacity
US4483663A (en) * 1982-08-23 1984-11-20 Sundstrand Corporation Output speed droop compensating pump control
US4518319A (en) * 1984-02-03 1985-05-21 Deere & Company Variable displacement pump system
US4518320A (en) * 1984-02-03 1985-05-21 Deere & Company Variable displacement pump system
US4739616A (en) * 1985-12-13 1988-04-26 Sundstrand Corporation Summing pressure compensation control
DE3711049A1 (de) * 1987-04-02 1988-11-10 Brueninghaus Hydraulik Gmbh Regeleinrichtung fuer wenigstens zwei mit einer gemeinsamen arbeitsdruckleitung in verbindung stehende hydrostatische maschinen
DE4118869C2 (de) * 1991-06-07 1995-06-29 Hydromatik Gmbh Regelvorrichtung zur Regelung des Verdrängungsvolumens mehrerer hydrostatischer Maschinen
US5868555A (en) * 1995-11-13 1999-02-09 Nisshinbo Industries, Inc. Hydraulic drive unit of a press machine and a swash plate type variable capacity axial piston pump to use for said device
US6176684B1 (en) * 1998-11-30 2001-01-23 Caterpillar Inc. Variable displacement hydraulic piston unit with electrically operated variable displacement control and timing control
US7165396B2 (en) * 2003-07-11 2007-01-23 Eaton Corporation Pump control override for tandem pumps
US8584441B2 (en) 2010-01-05 2013-11-19 Honeywell International Inc. Fuel metering system electrically servoed metering pump
US8935009B2 (en) * 2011-05-06 2015-01-13 Caterpillar Inc. Method and apparatus for controlling multiple variable displacement hydraulic pumps
CN112065624B (zh) * 2020-09-10 2021-10-08 潍柴动力股份有限公司 一种高压油泵的安装方法、发动机及车辆

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3302585A (en) * 1962-09-24 1967-02-07 Abex Corp Control for variable displacement pump or motor
JPS499703A (ja) * 1972-05-29 1974-01-28

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3093081A (en) * 1959-01-29 1963-06-11 New York Air Brake Co Pumping device
FR1277318A (fr) * 1960-10-05 1961-12-01 Applic Mach Motrices Perfectionnement aux pompes à débit variable auto-réglées
DE1453586A1 (de) * 1964-10-10 1969-04-30 Metallwerk Glockerau Gmbh Foerdermengen-Regeleinrichtung
DE1600848A1 (de) * 1967-05-24 1971-09-30 Linde Ag Steuerorgan fuer ein Doppelpumpenaggregat
NO124443B (ja) * 1970-04-22 1972-04-17 Ingebret Soeyland
BE794115A (fr) * 1971-03-24 1973-05-16 Caterpillar Tractor Co Dispositif de valve sommatrice

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3302585A (en) * 1962-09-24 1967-02-07 Abex Corp Control for variable displacement pump or motor
JPS499703A (ja) * 1972-05-29 1974-01-28

Also Published As

Publication number Publication date
FR2272276A1 (ja) 1975-12-19
DE2521939A1 (de) 1975-11-27
IT1035780B (it) 1979-10-20
JPS50160801A (ja) 1975-12-26
GB1512996A (en) 1978-06-01
US3941514A (en) 1976-03-02
FR2272276B1 (ja) 1979-08-03
CA1029601A (en) 1978-04-18

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