GB1233999A - - Google Patents

Info

Publication number
GB1233999A
GB1233999A GB1233999DA GB1233999A GB 1233999 A GB1233999 A GB 1233999A GB 1233999D A GB1233999D A GB 1233999DA GB 1233999 A GB1233999 A GB 1233999A
Authority
GB
United Kingdom
Prior art keywords
headbox
pressure
inlet valve
signals corresponding
volume
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
Other languages
English (en)
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 filed Critical
Publication of GB1233999A publication Critical patent/GB1233999A/en
Expired legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00Wet end of machines for making continuous webs of paper
    • D21F1/06Regulating pulp flow
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00Control of fluid pressure
    • G05D16/20Control of fluid pressure characterised by the use of electric means
    • G05D16/2006Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means
    • G05D16/2013Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/2931Diverse fluid containing pressure systems
    • Y10T137/2937Gas pressure discharge of liquids feed traps [e.g., to boiler]
    • Y10T137/294Gas pressure controlled by amount of liquids in boiler or discharge receiver
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/2931Diverse fluid containing pressure systems
    • Y10T137/3115Gas pressure storage over or displacement of liquid

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Paper (AREA)
  • Control Of Fluid Pressure (AREA)
GB1233999D 1968-09-24 1969-04-09 Expired GB1233999A (https=)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI99168 1968-09-24

Publications (1)

Publication Number Publication Date
GB1233999A true GB1233999A (https=) 1971-06-03

Family

ID=8504931

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1233999D Expired GB1233999A (https=) 1968-09-24 1969-04-09

Country Status (4)

Country Link
US (1) US3649446A (https=)
DE (1) DE1944158A1 (https=)
GB (1) GB1233999A (https=)
SE (1) SE365009B (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021528958A (ja) * 2018-06-29 2021-10-28 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム アルカロイドを含有する材料のウェブをキャストするための方法および装置

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4030971A (en) * 1974-12-13 1977-06-21 Beloit Corporation System compensating for pressure fluctuations in a paper machine headbox
FI57281C (fi) * 1976-10-05 1980-07-10 Valmet Oy Daempningssystem foer tryckvariationer i massasuspensionsstroemningen i den hydrauliska inloppslaodan hos en pappersmaskin
US4443156A (en) * 1981-02-10 1984-04-17 Dunnam Jr James A Automatic natural gas compressor control system
FI79365C (fi) * 1988-03-28 1989-12-11 Ahlstroem Valmet Aktivdaempare foer daempning av tryckvibrationer i inloppslaodan och massaroersystemet i pappers- och kartongmaskiner.
US6149770A (en) * 1998-04-14 2000-11-21 Honeywell-Measurex Corporation Underwire water weight turbulence sensor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021528958A (ja) * 2018-06-29 2021-10-28 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム アルカロイドを含有する材料のウェブをキャストするための方法および装置
US12016372B2 (en) 2018-06-29 2024-06-25 Philip Morris Products S.A. Method and apparatus to cast a web of material containing alkaloids

Also Published As

Publication number Publication date
US3649446A (en) 1972-03-14
SE365009B (https=) 1974-03-11
DE1944158A1 (de) 1970-04-02

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee