KR910009256B1 - 토목건설기계의 유압구동장치 - Google Patents

토목건설기계의 유압구동장치 Download PDF

Info

Publication number
KR910009256B1
KR910009256B1 KR1019870000570A KR870000570A KR910009256B1 KR 910009256 B1 KR910009256 B1 KR 910009256B1 KR 1019870000570 A KR1019870000570 A KR 1019870000570A KR 870000570 A KR870000570 A KR 870000570A KR 910009256 B1 KR910009256 B1 KR 910009256B1
Authority
KR
South Korea
Prior art keywords
actuator
valve
hydraulic
actuators
direction switching
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.)
Expired
Application number
KR1019870000570A
Other languages
English (en)
Korean (ko)
Other versions
KR870007339A (ko
Inventor
유끼오 아오야기
슈우이찌 이찌야마
게이이찌로 유노
도모히꼬 야쓰다
Original Assignee
히다찌겡끼 가부시기가이샤
니시모도 후미히라
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
Priority claimed from JP61012987A external-priority patent/JPS62174423A/ja
Priority claimed from JP61076797A external-priority patent/JPH0721281B2/ja
Application filed by 히다찌겡끼 가부시기가이샤, 니시모도 후미히라 filed Critical 히다찌겡끼 가부시기가이샤
Publication of KR870007339A publication Critical patent/KR870007339A/ko
Application granted granted Critical
Publication of KR910009256B1 publication Critical patent/KR910009256B1/ko
Expired legal-status Critical Current

Links

Images

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
    • E02F3/43—Control of dipper or bucket position; Control of sequence of drive operations
    • 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
    • F15B21/08—Servomotor systems incorporating electrically operated control means
    • F15B21/087—Control strategy, e.g. with block diagram
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • E02F9/2239—Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance
    • E02F9/2242—Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance including an electronic controller
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2278—Hydraulic circuits
    • E02F9/2292—Systems with two or more pumps
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2278—Hydraulic circuits
    • E02F9/2296—Systems with a variable displacement pump

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
KR1019870000570A 1986-01-25 1987-01-24 토목건설기계의 유압구동장치 Expired KR910009256B1 (ko)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP12987 1983-01-31
JP61012987A JPS62174423A (ja) 1986-01-25 1986-01-25 土木建設機械の油圧駆動装置
JP86-47378 1986-03-06
JP86-47379 1986-03-06
JP61076797A JPH0721281B2 (ja) 1986-04-04 1986-04-04 油圧回路
JP86-76797 1986-04-04
JP76797 1986-04-04

Publications (2)

Publication Number Publication Date
KR870007339A KR870007339A (ko) 1987-08-18
KR910009256B1 true KR910009256B1 (ko) 1991-11-07

Family

ID=26348699

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870000570A Expired KR910009256B1 (ko) 1986-01-25 1987-01-24 토목건설기계의 유압구동장치

Country Status (6)

Country Link
US (1) US4768339A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0235545B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
KR (1) KR910009256B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CN (1) CN1009480B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3764824D1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IN (1) IN165827B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (81)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3703297A1 (de) * 1987-02-04 1988-08-18 Fendt & Co Xaver Hydraulikanlage zur betaetigung von arbeitsgeraeten an fahrzeugen
CA1278978C (en) * 1987-02-19 1991-01-15 Lary Lynn Williams Hydraulic system for an industrial machine
AU603907B2 (en) * 1987-06-30 1990-11-29 Hitachi Construction Machinery Co. Ltd. Hydraulic drive system
US4938022A (en) * 1987-10-05 1990-07-03 Hitachi Construction Machinery Co., Ltd. Flow control system for hydraulic motors
DE3742569A1 (de) * 1987-12-16 1989-07-06 Klemm Gerhard Maschfab Hydromechanische antriebsuebertragungsvorrichtung, wie kupplung, getriebe oder dgl.
KR920010874B1 (ko) * 1988-03-03 1992-12-19 히다찌 겐끼 가부시기가이샤 유압기계의 유압구동방법 및 유압구동장치
DE68909580T2 (de) * 1988-07-08 1994-04-21 Hitachi Construction Machinery Hydrodynamische antriebsvorrichtung.
JP2670815B2 (ja) * 1988-07-29 1997-10-29 株式会社小松製作所 建設機械の制御装置
JPH02107802A (ja) * 1988-08-31 1990-04-19 Hitachi Constr Mach Co Ltd 油圧駆動装置
JPH0288005U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1988-12-27 1990-07-12
JPH0751796B2 (ja) * 1989-04-18 1995-06-05 株式会社クボタ バックホウの油圧回路
US5050379A (en) * 1990-08-23 1991-09-24 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Displacement of a variable displacemet hydraulic pump and speed of an engine driving the pump controlled based on demand
GB2251232B (en) * 1990-09-29 1995-01-04 Samsung Heavy Ind Automatic actuating system for actuators of excavator
GB2250108B (en) * 1990-10-31 1995-02-08 Samsung Heavy Ind Control system for automatically controlling actuators of an excavator
DE4100988C2 (de) * 1991-01-15 2001-05-10 Linde Ag Hydraulisches Antriebssystem
KR950009324B1 (ko) * 1991-11-26 1995-08-19 삼성중공업주식회사 액츄에이터 작동속도 자동조절장치 및 그 제어방법
US5249422A (en) * 1991-12-20 1993-10-05 Caterpillar Inc. Apparatus for calibrating the speed of hydrostatically driven traction motors
US5261234A (en) * 1992-01-07 1993-11-16 Caterpillar Inc. Hydraulic control apparatus
US5214916A (en) * 1992-01-13 1993-06-01 Caterpillar Inc. Control system for a hydraulic work vehicle
US5267441A (en) * 1992-01-13 1993-12-07 Caterpillar Inc. Method and apparatus for limiting the power output of a hydraulic system
US5182908A (en) * 1992-01-13 1993-02-02 Caterpillar Inc. Control system for integrating a work attachment to a work vehicle
JPH05256303A (ja) * 1992-01-15 1993-10-05 Caterpillar Inc 油圧回路制御装置
JPH06123123A (ja) * 1992-05-22 1994-05-06 Hitachi Constr Mach Co Ltd 油圧駆動装置
US5490384A (en) * 1994-12-08 1996-02-13 Caterpillar Inc. Hydraulic flow priority system
US5560387A (en) * 1994-12-08 1996-10-01 Caterpillar Inc. Hydraulic flow priority system
KR960021784A (ko) * 1994-12-28 1996-07-18 김무 중장비의 직진주행장치
JP3013225B2 (ja) * 1995-01-11 2000-02-28 新キャタピラー三菱株式会社 吊り作業制御装置
US5666806A (en) * 1995-07-05 1997-09-16 Caterpillar Inc. Control system for a hydraulic cylinder and method
JP3606976B2 (ja) * 1995-12-26 2005-01-05 日立建機株式会社 油圧作業機の油圧制御システム
AU720849B2 (en) * 1996-03-28 2000-06-15 Clark Equipment Company Multifunction valve stack
US6018895A (en) * 1996-03-28 2000-02-01 Clark Equipment Company Valve stack in a mini-excavator directing fluid under pressure from multiple pumps to actuable elements
US6050090A (en) * 1996-06-11 2000-04-18 Kabushiki Kaisha Kobe Seiko Sho Control apparatus for hydraulic excavator
JP3943779B2 (ja) * 1999-01-19 2007-07-11 日立建機株式会社 土木・建設機械の油圧駆動装置
US6357231B1 (en) * 2000-05-09 2002-03-19 Clark Equipment Company Hydraulic pump circuit for mini excavators
US6732512B2 (en) * 2002-09-25 2004-05-11 Husco International, Inc. Velocity based electronic control system for operating hydraulic equipment
US6990807B2 (en) * 2002-12-09 2006-01-31 Coneqtec Corporation Auxiliary hydraulic drive system
US7155909B2 (en) * 2003-05-15 2007-01-02 Kobelco Construction Machinery Co., Ltd. Hydraulic controller for working machine
JP3985756B2 (ja) * 2003-09-05 2007-10-03 コベルコ建機株式会社 建設機械の油圧制御回路
JP4272207B2 (ja) * 2003-11-14 2009-06-03 株式会社小松製作所 建設機械の油圧制御装置
DE102006061305B3 (de) * 2006-12-22 2008-07-10 Hydac Filtertechnik Gmbh Ansteuereinrichtung für hydraulische Verbraucher
KR101639453B1 (ko) * 2008-04-11 2016-07-22 이턴 코포레이션 다수의 가변식 부하들을 구동하기 위하여 고정식 용적 펌프를 포함하는 유압 시스템 및 동작 방법
JP5791703B2 (ja) * 2010-04-30 2015-10-07 イートン コーポレーションＥａｔｏｎ Ｃｏｒｐｏｒａｔｉｏｎ 複合流体ポンプの組合せ回路
CN102042274B (zh) * 2010-08-19 2013-03-27 中联重科股份有限公司 液压控制回路和液压马达控制系统
DE102011108851A1 (de) * 2011-07-28 2013-01-31 Liebherr-Werk Ehingen Gmbh Kransteuerungssystem
US8863509B2 (en) 2011-08-31 2014-10-21 Caterpillar Inc. Meterless hydraulic system having load-holding bypass
US8944103B2 (en) 2011-08-31 2015-02-03 Caterpillar Inc. Meterless hydraulic system having displacement control valve
US8966892B2 (en) 2011-08-31 2015-03-03 Caterpillar Inc. Meterless hydraulic system having restricted primary makeup
JP5631829B2 (ja) * 2011-09-21 2014-11-26 住友重機械工業株式会社 油圧制御装置及び油圧制御方法
US9057389B2 (en) 2011-09-30 2015-06-16 Caterpillar Inc. Meterless hydraulic system having multi-actuator circuit
US9151018B2 (en) 2011-09-30 2015-10-06 Caterpillar Inc. Closed-loop hydraulic system having energy recovery
US8966891B2 (en) 2011-09-30 2015-03-03 Caterpillar Inc. Meterless hydraulic system having pump protection
US9051714B2 (en) 2011-09-30 2015-06-09 Caterpillar Inc. Meterless hydraulic system having multi-actuator circuit
US8910474B2 (en) 2011-10-21 2014-12-16 Caterpillar Inc. Hydraulic system
US8893490B2 (en) * 2011-10-21 2014-11-25 Caterpillar Inc. Hydraulic system
US20130098011A1 (en) * 2011-10-21 2013-04-25 Michael L. Knussman Hydraulic system having multiple closed-loop circuits
US8943819B2 (en) * 2011-10-21 2015-02-03 Caterpillar Inc. Hydraulic system
US20130098013A1 (en) * 2011-10-21 2013-04-25 Brad A. Edler Closed-loop system having multi-circuit flow sharing
US9068578B2 (en) 2011-10-21 2015-06-30 Caterpillar Inc. Hydraulic system having flow combining capabilities
US8973358B2 (en) 2011-10-21 2015-03-10 Caterpillar Inc. Closed-loop hydraulic system having force modulation
US8919114B2 (en) 2011-10-21 2014-12-30 Caterpillar Inc. Closed-loop hydraulic system having priority-based sharing
US8978373B2 (en) 2011-10-21 2015-03-17 Caterpillar Inc. Meterless hydraulic system having flow sharing and combining functionality
US8984873B2 (en) 2011-10-21 2015-03-24 Caterpillar Inc. Meterless hydraulic system having flow sharing and combining functionality
US9080310B2 (en) 2011-10-21 2015-07-14 Caterpillar Inc. Closed-loop hydraulic system having regeneration configuration
US8978374B2 (en) 2011-10-21 2015-03-17 Caterpillar Inc. Meterless hydraulic system having flow sharing and combining functionality
CN102489553A (zh) * 2011-11-22 2012-06-13 沈阳黎明航空发动机(集团)有限责任公司 一种异型零件胀型装置
DE102011119945A1 (de) * 2011-12-01 2013-06-06 Liebherr-Hydraulikbagger Gmbh Hydrauliksystem
US9279236B2 (en) 2012-06-04 2016-03-08 Caterpillar Inc. Electro-hydraulic system for recovering and reusing potential energy
US9290912B2 (en) 2012-10-31 2016-03-22 Caterpillar Inc. Energy recovery system having integrated boom/swing circuits
CN102966616A (zh) * 2012-11-19 2013-03-13 无锡市京锡冶金液压机电有限公司 一种液压系统传动机构执行组件顺序动作方法
CN103148060B (zh) * 2013-01-09 2015-08-26 中联重科股份有限公司渭南分公司 登车扶梯的升降控制系统和控制方法
US9290911B2 (en) 2013-02-19 2016-03-22 Caterpillar Inc. Energy recovery system for hydraulic machine
CN104747512B (zh) * 2013-12-31 2018-07-06 北京威猛机械制造有限公司 液压系统和钻机
CN103727294B (zh) * 2014-01-20 2017-01-25 河南华润电力首阳山有限公司 一种控制装置及气压系统
CN104533890B (zh) * 2014-12-23 2016-08-31 南京航空航天大学 一种三向加载液压装置
DE102015016846A1 (de) * 2015-12-23 2017-06-29 Hydac Fluidtechnik Gmbh Ventil, insbesondere 4/2-Wegeschieberventil
WO2017204698A1 (en) * 2016-05-23 2017-11-30 Volvo Construction Equipment Ab Hydraulic system
CN107023533B (zh) * 2017-06-22 2018-03-16 合肥工业大学 一种用于弹性轴承多维刚度测试的液压控制系统
CN108061068B (zh) * 2018-01-08 2024-04-23 中国铁建重工集团股份有限公司 双护盾tbm快速复位液压系统及掘进装备
CN110486341B (zh) * 2018-05-14 2023-03-21 博世力士乐（北京）液压有限公司 液压控制系统以及移动式工作设备
CN113039327B (zh) * 2018-11-14 2022-10-25 住友重机械工业株式会社 挖土机、挖土机的控制装置
CN111485590A (zh) * 2020-05-28 2020-08-04 三一重机有限公司 液压控制系统、挖掘机及挖掘机控制方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2101492B2 (de) * 1971-01-14 1973-02-15 Cari Metz GmbH, 7500 Karlsruhe Vorrichtung zur unabhaengigen steuerung mehrerer bewegungsablaeufe von ausfahrbaren leitern, masten od. dgl
DE2631530A1 (de) * 1976-07-14 1978-01-19 Weserhuette Ag Eisenwerk Steuerung von hydraulisch angetriebenen bagger- und auslegerkranen
JPH0155322B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1980-04-07 1989-11-24 Caterpillar Inc
KR870000505B1 (ko) * 1981-03-03 1987-03-12 니시모도 후미히라(西元文平) 토목건설기계의 유압구동 시스템
US4561824A (en) * 1981-03-03 1985-12-31 Hitachi, Ltd. Hydraulic drive system for civil engineering and construction machinery
JPS5817202A (ja) * 1981-07-24 1983-02-01 Hitachi Constr Mach Co Ltd 油圧回路の制御方法
JPS58146630A (ja) * 1982-02-25 1983-09-01 Hitachi Constr Mach Co Ltd 油圧作業機械の油圧回路

Also Published As

Publication number Publication date
EP0235545A3 (en) 1988-02-03
CN1009480B (zh) 1990-09-05
KR870007339A (ko) 1987-08-18
EP0235545B1 (en) 1990-09-12
IN165827B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1990-01-20
US4768339A (en) 1988-09-06
DE3764824D1 (de) 1990-10-18
CN87100435A (zh) 1987-09-16
EP0235545A2 (en) 1987-09-09

Similar Documents

Publication Publication Date Title
KR910009256B1 (ko) 토목건설기계의 유압구동장치
KR100225391B1 (ko) 유압셔블의 유압회로
EP0715029B1 (en) Hydraulic circuit apparatus for hydraulic excavators
KR100195859B1 (ko) 유압시스템
JP6467515B2 (ja) 建設機械
JP3497947B2 (ja) 油圧駆動装置
JPH10103306A (ja) アクチュエータ作動特性制御装置
KR20050019804A (ko) 작업기의 유압회로
JP3606976B2 (ja) 油圧作業機の油圧制御システム
KR102333767B1 (ko) 쇼벨 및 쇼벨용 컨트롤밸브
US11078646B2 (en) Shovel and control valve for shovel
KR100797315B1 (ko) 굴삭기의 주행 및 프론트작업의 복합작업용 유압제어장치
JP2020153506A (ja) 作業機械の油圧駆動装置
JP3236491B2 (ja) 建設機械の油圧システム
JP3961123B2 (ja) 油圧作業機械の油圧回路
JP2799045B2 (ja) クレーン用油圧回路
JP2003028101A (ja) 建設機械の油圧制御装置
JP3142640B2 (ja) 油圧作業機の油圧回路
JPH06137309A (ja) 可変容量型油圧ポンプ制御装置
JP3458434B2 (ja) 作業機械の油圧装置
JPH09158903A (ja) 油圧アクチュエータの流量制御装置
KR950002981B1 (ko) 건설기계의 유압구동장치
JPS63312434A (ja) 油圧駆動機械の油圧駆動回路
JPH09165791A (ja) 作業機械の油圧回路
JP3853314B2 (ja) 油圧式作業機械

Legal Events

Date Code Title Description
A201 Request for examination
PA0109 Patent application

St.27 status event code: A-0-1-A10-A12-nap-PA0109

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

R17-X000 Change to representative recorded

St.27 status event code: A-3-3-R10-R17-oth-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

G160 Decision to publish patent application
PG1605 Publication of application before grant of patent

St.27 status event code: A-2-2-Q10-Q13-nap-PG1605

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

GRNT Written decision to grant
PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U11-oth-PR1002

Fee payment year number: 1

FPAY Annual fee payment

Payment date: 19941101

Year of fee payment: 4

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 4

LAPS Lapse due to unpaid annual fee
PC1903 Unpaid annual fee

St.27 status event code: A-4-4-U10-U13-oth-PC1903

Not in force date: 19951108

Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

PC1903 Unpaid annual fee

St.27 status event code: N-4-6-H10-H13-oth-PC1903

Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

Not in force date: 19951108

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000

P22-X000 Classification modified

St.27 status event code: A-4-4-P10-P22-nap-X000