CH591683A5 - - Google Patents

Info

Publication number: CH591683A5
Authority: CH; Switzerland

Application number

CH288476A

Original Assignee

Siemens Ag

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.)

1975-03-10

Filing date

1976-03-09

Publication date

1977-09-30

1976-03-09 Application filed by Siemens Ag filed Critical Siemens Ag

1977-09-30 Publication of CH591683A5 publication Critical patent/CH591683A5/xx

Classifications

- 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
- G01F23/22—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/24—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid
- G01F23/246—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid thermal devices
- G01F23/247—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid thermal devices for discrete levels

Landscapes

Physics & Mathematics (AREA)
Thermal Sciences (AREA)
Fluid Mechanics (AREA)
General Physics & Mathematics (AREA)
Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Investigating Or Analyzing Materials Using Thermal Means (AREA)
Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Control Of Non-Electrical Variables (AREA)
Measurement Of Resistance Or Impedance (AREA)

CH288476A 1975-03-10 1976-03-09 CH591683A5 (xx)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2510356A DE2510356C2 (de)	1975-03-10	1975-03-10	Einrichtung zur Überwachung des Flüssigkeitsstandes in einem Behälter

Publications (1)

Publication Number	Publication Date
CH591683A5 true CH591683A5 (xx)	1977-09-30

Family

ID=5940916

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH288476A CH591683A5 (xx)	1975-03-10	1976-03-09

Country Status (14)

Country	Link
US (1)	US4053874A (xx)
JP (1)	JPS6018924B2 (xx)
BE (1)	BE839312A (xx)
BR (1)	BR7601006A (xx)
CA (1)	CA1053772A (xx)
CH (1)	CH591683A5 (xx)
DE (1)	DE2510356C2 (xx)
FR (1)	FR2304063A1 (xx)
GB (1)	GB1536894A (xx)
IN (1)	IN142779B (xx)
IT (1)	IT1056854B (xx)
SE (1)	SE411956B (xx)
SU (1)	SU625636A3 (xx)
ZA (1)	ZA76169B (xx)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4224606A (en) *	1979-03-21	1980-09-23	Honeywell Inc.	Fluid level detector test switch
CA1149459A (en) *	1980-01-07	1983-07-05	Juergen F. Schmelzer	Measuring the moisture content of materials
US4418035A (en) *	1981-05-27	1983-11-29	Scandpower, Inc.	Coolant condition monitor for nuclear power reactor
US4406011A (en) *	1981-06-16	1983-09-20	Burns Thomas J	Gamma thermometer based reactor core liquid level detector
CA1169947A (en) *	1981-08-20	1984-06-26	Howard R. Braun	Liquid nitrogen level controller
US4521373A (en) *	1982-08-23	1985-06-04	General Electric Company	Liquid level sensor
AT383677B (de) *	1983-10-07	1987-08-10	Kessel Loos Kg Bischofshofen	Pruefeinrichtung zur ueberpruefung einer fluessigkeitsmangelsicherung
US4564834A (en) *	1983-10-11	1986-01-14	General Motors Corporation	Thermal liquid level detector
IT8353823V0 (it) *	1983-10-14	1983-10-14	Foredit Spa	Dispositivo misuratore di livello per liquidi particolarmente per la rilevazione del livello del lubrificante in motori a combustione interna
DE3408824A1 (de) *	1984-03-10	1985-09-12	Vdo Adolf Schindling Ag, 6000 Frankfurt	Schaltungsanordnung zur elektrothermischen, umgebungstemperatur-kompensierten fuellstandsmessung
US4609913A (en) *	1985-02-22	1986-09-02	Wickes Manufacturing Company	Fluid level sensor
US5117216A (en) *	1986-04-23	1992-05-26	Fluid Components, Inc.	Distributed RTD
US5167153A (en) *	1986-04-23	1992-12-01	Fluid Components, Inc.	Method of measuring physical phenomena using a distributed RTD
EP0263226B1 (en) *	1986-10-08	1990-01-10	Kurt Professor Becker	A method and an instrument for monitoring the cooling conditions in a light water reactor
US4742244A (en) *	1986-10-15	1988-05-03	Itt Avionics	Electronic float switch apparatus
US4771271A (en) *	1987-03-11	1988-09-13	Ford Motor Company	Silicon based low level liquid sensor having a fast response time
US5134772A (en) *	1988-05-02	1992-08-04	Fluid Components, Inc.	Method of making a U-shaped heated extended resistance temperature sensor
US5152049A (en) *	1988-05-02	1992-10-06	Fluid Components, Inc.	Method of making a heated extended resistance temperature sensor
US4994780A (en) *	1988-05-02	1991-02-19	Fluid Components, Inc.	Heated extended resistance temperature sensor, apparatus for sensing and method of making same
US5201223A (en) *	1988-05-02	1993-04-13	Fluid Components, Inc.	Method of sensing fluid flow and level employing a heated extended resistance temperature sensor
US5111692A (en) *	1990-03-27	1992-05-12	Fluid Components, Inc.	Temperature compensated liquid level and fluid flow sensor
US5438866A (en) *	1990-06-25	1995-08-08	Fluid Components, Inc.	Method of making average mass flow velocity measurements employing a heated extended resistance temperature sensor
US5228340A (en) *	1991-05-01	1993-07-20	Yazaki Corporation	Method and apparatus for heat radiating type level sensor measurement of liquid level
US5210769A (en) *	1991-12-30	1993-05-11	The Great American Company	Liquid level measuring system
US5434555A (en) *	1993-05-17	1995-07-18	Magnetrol International, Inc.	Thermal dispersion switch with self test circuit
JPH07199636A (ja) *	1993-12-28	1995-08-04	Fujitsu Ltd	トナーの残量検出装置
US6422088B1 (en) *	1999-09-24	2002-07-23	Denso Corporation	Sensor failure or abnormality detecting system incorporated in a physical or dynamic quantity detecting apparatus
US6767141B1 (en) *	2000-12-04	2004-07-27	Optical Communication Products, Inc.	Optical interface unit
CN108107929B (zh) *	2018-02-06	2023-11-10	欣灵电气股份有限公司	液位控制器
CN112325978B (zh) *	2020-10-28	2024-04-12	苏州贝康智能制造有限公司	一种电阻式液位检测系统

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE613746C (de) *	1929-01-17	1935-05-24	Arthur Snow	Dekadenwiderstand fuer Wheatstonesche Bruecken, insbesondere fuer elektrische Temperaturmessung mit Widerstandsthermometern
DE2256197C2 (de) *	1972-11-16	1974-03-07	Danfoss A/S, Nordborg (Daenemark)	Meßwertumformer mit einem Kompensationsbrückenkreis
US3922658A (en) *	1974-12-04	1975-11-25	Bendix Corp	Fluid level monitor

1975
- 1975-03-10 DE DE2510356A patent/DE2510356C2/de not_active Expired
- 1975-12-30 SU SU752303259A patent/SU625636A3/ru active
1976
- 1976-01-13 ZA ZA00760169A patent/ZA76169B/xx unknown
- 1976-01-14 IN IN84/CAL/76A patent/IN142779B/en unknown
- 1976-02-18 BR BR7601006A patent/BR7601006A/pt unknown
- 1976-02-26 US US05/661,428 patent/US4053874A/en not_active Expired - Lifetime
- 1976-02-27 SE SE7602752A patent/SE411956B/xx not_active IP Right Cessation
- 1976-03-04 IT IT20831/76A patent/IT1056854B/it active
- 1976-03-04 CA CA247,079A patent/CA1053772A/en not_active Expired
- 1976-03-08 BE BE164949A patent/BE839312A/xx not_active IP Right Cessation
- 1976-03-09 FR FR7606693A patent/FR2304063A1/fr active Granted
- 1976-03-09 CH CH288476A patent/CH591683A5/xx not_active IP Right Cessation
- 1976-03-09 JP JP51025518A patent/JPS6018924B2/ja not_active Expired
- 1976-03-10 GB GB9631/76A patent/GB1536894A/en not_active Expired

Also Published As

Publication number	Publication date
ZA76169B (en)	1976-12-29
BR7601006A (pt)	1976-09-14
FR2304063A1 (fr)	1976-10-08
SU625636A3 (ru)	1978-09-25
JPS6018924B2 (ja)	1985-05-13
DE2510356A1 (de)	1976-09-16
IT1056854B (it)	1982-02-20
US4053874A (en)	1977-10-11
FR2304063B1 (xx)	1980-12-05
DE2510356C2 (de)	1984-03-15
SE411956B (sv)	1980-02-11
IN142779B (xx)	1977-08-27
CA1053772A (en)	1979-05-01
GB1536894A (en)	1978-12-29
JPS51113758A (en)	1976-10-07
BE839312A (fr)	1976-07-01
SE7602752L (sv)	1976-09-13

Publication	Publication Date	Title
FR2304063B1 (xx)	1980-12-05
JPS5443379Y2 (xx)	1979-12-14
JPS5513371B2 (xx)	1980-04-08
JPS555537B2 (xx)	1980-02-07
JPS5241628U (xx)	1977-03-24
JPS5264552U (xx)	1977-05-12
CH596665A5 (xx)	1978-03-15
CH594869A5 (xx)	1978-01-31
BG21771A1 (xx)	1977-05-20
BG21442A1 (xx)	1976-07-20
BG22128A1 (xx)	1977-02-20
CH597882A5 (xx)	1978-04-14
BG22146A1 (xx)	1977-05-20
CH602916A5 (xx)	1978-08-15
CH597804A5 (xx)	1978-04-14
CH597790A5 (xx)	1978-04-14
CH603296A5 (xx)	1978-08-15
CH596876A5 (xx)	1978-03-31
CH604381A5 (xx)	1978-09-15
CH604746A5 (xx)	1978-09-15
BG22183A1 (xx)	1977-02-20
CH605033A5 (xx)	1978-09-29
BG22342A1 (xx)	1977-02-20
CH596455A5 (xx)	1978-03-15
CH600342A5 (xx)	1978-06-15

Legal Events

Date	Code	Title	Description
1990-11-30	PL	Patent ceased
2024-10-31	PL	Patent ceased