DE69622956T2 - Methode zur Regelung der Bestandteile eines Phosphatbades - Google Patents

Methode zur Regelung der Bestandteile eines Phosphatbades

Info

Publication number
DE69622956T2
DE69622956T2 DE69622956T DE69622956T DE69622956T2 DE 69622956 T2 DE69622956 T2 DE 69622956T2 DE 69622956 T DE69622956 T DE 69622956T DE 69622956 T DE69622956 T DE 69622956T DE 69622956 T2 DE69622956 T2 DE 69622956T2
Authority
DE
Germany
Prior art keywords
regulating
components
phosphate bath
bath
phosphate
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 - Fee Related
Application number
DE69622956T
Other languages
English (en)
Other versions
DE69622956D1 (de
Inventor
John Huff
Robert Antony Sensoli
John Charles Cooper
Dimitre Petroy Filev
Irena Aldona Nagisetty
Alan Edward Hyrila
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ford Werke GmbH
Ford France SA
Ford Motor Co Ltd
Original Assignee
Ford Werke GmbH
Ford France SA
Ford Motor Co Ltd
Ford Motor Co
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 Ford Werke GmbH, Ford France SA, Ford Motor Co Ltd, Ford Motor Co filed Critical Ford Werke GmbH
Application granted granted Critical
Publication of DE69622956D1 publication Critical patent/DE69622956D1/de
Publication of DE69622956T2 publication Critical patent/DE69622956T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D21/00—Control of chemical or physico-chemical variables, e.g. pH value
    • G05D21/02—Control of chemical or physico-chemical variables, e.g. pH value characterised by the use of electric means
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D11/00—Control of flow ratio
    • G05D11/02—Controlling ratio of two or more flows of fluid or fluent material
    • G05D11/13—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means
    • G05D11/139—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means by measuring a value related to the quantity of the individual components and sensing at least one property of the mixture

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Feedback Control In General (AREA)
DE69622956T 1995-10-10 1996-10-09 Methode zur Regelung der Bestandteile eines Phosphatbades Expired - Fee Related DE69622956T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/541,387 US5631845A (en) 1995-10-10 1995-10-10 Method and system for controlling phosphate bath constituents

Publications (2)

Publication Number Publication Date
DE69622956D1 DE69622956D1 (de) 2002-09-19
DE69622956T2 true DE69622956T2 (de) 2002-12-05

Family

ID=24159377

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69622956T Expired - Fee Related DE69622956T2 (de) 1995-10-10 1996-10-09 Methode zur Regelung der Bestandteile eines Phosphatbades

Country Status (3)

Country Link
US (1) US5631845A (de)
EP (1) EP0768589B1 (de)
DE (1) DE69622956T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7147827B1 (en) * 1998-05-01 2006-12-12 Applied Materials, Inc. Chemical mixing, replenishment, and waste management system
JP2003527477A (ja) * 1998-07-13 2003-09-16 ディージェイ パーカー カンパニー、インク． ディー／ビー／エー パーカー システムズ 一定間隔の化学薬品の補給システム
US6430544B1 (en) * 1998-08-11 2002-08-06 Ronald Childress Single variable priority constraint fuzzy control system
US6471845B1 (en) 1998-12-15 2002-10-29 International Business Machines Corporation Method of controlling chemical bath composition in a manufacturing environment
US6521112B1 (en) * 1999-07-13 2003-02-18 Dj Parker Company, Inc. Paced chemical replenishment system
US6342453B1 (en) * 1999-12-03 2002-01-29 Applied Materials, Inc. Method for CVD process control for enhancing device performance
US7851222B2 (en) * 2005-07-26 2010-12-14 Applied Materials, Inc. System and methods for measuring chemical concentrations of a plating solution
GB2450546A (en) * 2007-06-29 2008-12-31 Philip Giokas Metered dispensation of fluid
US9977433B1 (en) 2017-05-05 2018-05-22 Hayward Industries, Inc. Automatic pool cleaner traction correction

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3401065A (en) * 1964-08-18 1968-09-10 Amchem Prod Automatic control of nitrite addition in acid phosphate coating solutions
US3516876A (en) * 1966-03-25 1970-06-23 Hooker Chemical Corp Automatic control method
US3649509A (en) * 1969-07-08 1972-03-14 Buckbee Mears Co Electrodeposition systems
GB1557779A (en) * 1975-04-23 1979-12-12 Ici Ltd Phosphating process
JPS6016517B2 (ja) * 1979-12-29 1985-04-25 上村工業株式会社 無電解めつき制御方法
US4353933A (en) * 1979-11-14 1982-10-12 C. Uyemura & Co., Ltd. Method for controlling electroless plating bath
US4374681A (en) * 1981-05-11 1983-02-22 Coral Chemical Company System for controlling the composition of chemical treatment baths
US4423594A (en) * 1981-06-01 1984-01-03 United Technologies Corporation Adaptive self-correcting control system
JPS5935681A (ja) * 1982-08-24 1984-02-27 Nippon Paint Co Ltd カチオン型電着塗装用金属表面のリン酸塩処理方法
US4515643A (en) * 1982-10-22 1985-05-07 Henkel Kommanditgesellschaft Auf Aktien Method for determining and adjusting the potency and effectiveness of a metal phosphate conversion coating process
JPS6043491A (ja) * 1983-08-19 1985-03-08 Nippon Denso Co Ltd 鉄鋼表面に燐酸塩化成被膜を形成する方法
JPS61199069A (ja) * 1985-02-28 1986-09-03 C Uyemura & Co Ltd めっき液濃度自動連続管理装置
US4623554A (en) * 1985-03-08 1986-11-18 International Business Machines Corp. Method for controlling plating rate in an electroless plating system
US4692346A (en) * 1986-04-21 1987-09-08 International Business Machines Corporation Method and apparatus for controlling the surface chemistry on objects plated in an electroless plating bath
US4814197A (en) * 1986-10-31 1989-03-21 Kollmorgen Corporation Control of electroless plating baths
US4774101A (en) * 1986-12-10 1988-09-27 American Telephone And Telegraph Company, At&T Technologies, Inc. Automated method for the analysis and control of the electroless metal plating solution
DE3711931A1 (de) * 1987-04-09 1988-10-20 Metallgesellschaft Ag Verfahren zur bestimmung von zink in phosphatierbaedern
JPS6422617A (en) * 1987-07-17 1989-01-25 Nissan Motor Air conditioner for vehicle
US4933870A (en) * 1988-07-14 1990-06-12 Eastman Kodak Company Digital silver ion concentration controller for the precipitation of silver halide emulsions
US4974209A (en) * 1988-09-02 1990-11-27 The Perkin-Elmer Corporation Interactive smoothing system
US5003502A (en) * 1988-10-25 1991-03-26 Halliburton Company Digital filter for random variable
US5117370A (en) * 1988-12-22 1992-05-26 Ford Motor Company Detection system for chemical analysis of zinc phosphate coating solutions
US5156013A (en) * 1990-05-29 1992-10-20 Sanyo Electric Co., Ltd. Control device for absorption refrigerator
US5150289A (en) * 1990-07-30 1992-09-22 The Foxboro Company Method and apparatus for process control
US5248577A (en) * 1990-08-13 1993-09-28 Eastman Kodak Company Reactant concentration control method and apparatus for precipitation reactions
US5352350A (en) * 1992-02-14 1994-10-04 International Business Machines Corporation Method for controlling chemical species concentration
KR940701464A (ko) * 1992-04-17 1994-05-28 이시마루 쓰네오 화학적 처리액의 농도 검출 방법, 장치 및 그 자동 관리장치
JPH05313705A (ja) * 1992-05-12 1993-11-26 Hitachi Ltd プロセス制御方法および装置
DE4228620A1 (de) * 1992-08-28 1994-03-03 Atlas Elektronik Gmbh Verfahren zum Ermitteln und Anzeigen der Präzision von Tiefenmeßwerten
US5368715A (en) * 1993-02-23 1994-11-29 Enthone-Omi, Inc. Method and system for controlling plating bath parameters
US5336380A (en) * 1993-03-25 1994-08-09 Hughes Aircraft Company Method of monitoring major constituents in plating baths
US5427313A (en) * 1993-06-30 1995-06-27 Ford Motor Company Method and control system for controlling an automatic HVAC system to prevent the discharge of air within a predetermined temperature range

Also Published As

Publication number Publication date
US5631845A (en) 1997-05-20
EP0768589A3 (de) 1997-10-22
DE69622956D1 (de) 2002-09-19
EP0768589A2 (de) 1997-04-16
EP0768589B1 (de) 2002-08-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8327 Change in the person/name/address of the patent owner

Owner name: FORD-WERKE GMBH, 50735 KOELN, DE

Owner name: FORD MOTOR CO. LTD., BRENTWOOD, ESSEX, GB

Owner name: FORD FRANCE S.A., RUEIL-MALMAISON, FR

8339 Ceased/non-payment of the annual fee