DE3744404C2 - - Google Patents

Info

Publication number
DE3744404C2
DE3744404C2 DE19873744404 DE3744404A DE3744404C2 DE 3744404 C2 DE3744404 C2 DE 3744404C2 DE 19873744404 DE19873744404 DE 19873744404 DE 3744404 A DE3744404 A DE 3744404A DE 3744404 C2 DE3744404 C2 DE 3744404C2
Authority
DE
Germany
Prior art keywords
liquid
level
switch
membrane
level controller
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 - Lifetime
Application number
DE19873744404
Other languages
German (de)
English (en)
Other versions
DE3744404A1 (de
Inventor
Ruediger Dipl.-Ing. Zabel (Fh), 3006 Burgwedel, De
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.)
ITT Flygt Pumpen GmbH
Original Assignee
Flygt Pumpen 3012 Langenhagen De GmbH
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 Flygt Pumpen 3012 Langenhagen De GmbH filed Critical Flygt Pumpen 3012 Langenhagen De GmbH
Priority to DE19873744404 priority Critical patent/DE3744404A1/de
Publication of DE3744404A1 publication Critical patent/DE3744404A1/de
Application granted granted Critical
Publication of DE3744404C2 publication Critical patent/DE3744404C2/de
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
    • G01F1/34—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/14—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measurement of pressure
    • G01F23/16—Indicating, recording, or alarm devices being actuated by mechanical or fluid means, e.g. using gas, mercury, or a diaphragm as transmitting element, or by a column of liquid
    • G01F23/164—Indicating, recording, or alarm devices being actuated by mechanical or fluid means, e.g. using gas, mercury, or a diaphragm as transmitting element, or by a column of liquid using a diaphragm, bellow as transmitting element
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P13/00—Indicating or recording presence, absence, or direction, of movement
    • G01P13/0006—Indicating or recording presence, absence, or direction, of movement of fluids or of granulous or powder-like substances
    • G01P13/0066—Indicating or recording presence, absence, or direction, of movement of fluids or of granulous or powder-like substances by using differences of pressure in the fluid
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
    • G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Non-Electrical Variables (AREA)
DE19873744404 1986-12-31 1987-12-29 Hydrostatischer niveauregler oder stroemungswaechter Granted DE3744404A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19873744404 DE3744404A1 (de) 1986-12-31 1987-12-29 Hydrostatischer niveauregler oder stroemungswaechter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3644827 1986-12-31
DE19873744404 DE3744404A1 (de) 1986-12-31 1987-12-29 Hydrostatischer niveauregler oder stroemungswaechter

Publications (2)

Publication Number Publication Date
DE3744404A1 DE3744404A1 (de) 1988-07-14
DE3744404C2 true DE3744404C2 (fr) 1990-10-11

Family

ID=25850970

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19873744404 Granted DE3744404A1 (de) 1986-12-31 1987-12-29 Hydrostatischer niveauregler oder stroemungswaechter

Country Status (1)

Country Link
DE (1) DE3744404A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4000037C2 (de) * 1990-01-03 1997-12-18 Benkeser Michael Verfahren und Vorrichtung zum Messen von Füllstandhöhen
CN106400665B (zh) * 2016-11-17 2018-07-24 西安长大公路养护技术有限公司 抬动控制仪

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1773167C3 (de) * 1968-04-09 1974-11-21 Alfred Teves Gmbh, 6000 Frankfurt Vorrichtung zur Anzeige eines Grenzwertes eines Flussigkeitsstandes in einem Behalter
CH622887A5 (en) * 1977-08-10 1981-04-30 Albert Hans Fenner Device for detecting the level of a liquid
US4203462A (en) * 1978-10-02 1980-05-20 The Singer Company Water level control system
DD144113A1 (de) * 1979-06-01 1980-09-24 Udo Just Einrichtung zur automatischen auswertung variabler wasserstaende in filterbrunnen

Also Published As

Publication number Publication date
DE3744404A1 (de) 1988-07-14

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: ITT FLYGT PUMPEN GMBH, 3012 LANGENHAGEN, DE