DE29507670U1 - Füllstandsmelder für fließfähiges Gut - Google Patents
Füllstandsmelder für fließfähiges GutInfo
- Publication number
- DE29507670U1 DE29507670U1 DE29507670U DE29507670U DE29507670U1 DE 29507670 U1 DE29507670 U1 DE 29507670U1 DE 29507670 U DE29507670 U DE 29507670U DE 29507670 U DE29507670 U DE 29507670U DE 29507670 U1 DE29507670 U1 DE 29507670U1
- Authority
- DE
- Germany
- Prior art keywords
- level indicator
- transmitter
- light
- receiver
- indicator according
- 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
Links
- 230000009969 flowable effect Effects 0.000 title description 3
- 239000013590 bulk material Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 10
- 230000004888 barrier function Effects 0.000 claims description 5
- 244000309464 bull Species 0.000 claims description 4
- 239000004065 semiconductor Substances 0.000 claims description 4
- 230000005855 radiation Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 239000003082 abrasive agent Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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
- G01F23/28—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 the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/284—Electromagnetic waves
- G01F23/292—Light, e.g. infrared or ultraviolet
- G01F23/2921—Light, e.g. infrared or ultraviolet for discrete levels
-
- 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
- G01F23/28—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 the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/284—Electromagnetic waves
- G01F23/292—Light, e.g. infrared or ultraviolet
- G01F23/2921—Light, e.g. infrared or ultraviolet for discrete levels
- G01F23/2922—Light, e.g. infrared or ultraviolet for discrete levels with light-conducting sensing elements, e.g. prisms
- G01F23/2925—Light, e.g. infrared or ultraviolet for discrete levels with light-conducting sensing elements, e.g. prisms using electrical detecting means
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Geophysics And Detection Of Objects (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Description
(Figur 1)
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29507670U DE29507670U1 (de) | 1995-05-09 | 1995-05-09 | Füllstandsmelder für fließfähiges Gut |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29507670U DE29507670U1 (de) | 1995-05-09 | 1995-05-09 | Füllstandsmelder für fließfähiges Gut |
Publications (1)
Publication Number | Publication Date |
---|---|
DE29507670U1 true DE29507670U1 (de) | 1996-09-19 |
Family
ID=8007795
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE29507670U Expired - Lifetime DE29507670U1 (de) | 1995-05-09 | 1995-05-09 | Füllstandsmelder für fließfähiges Gut |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE29507670U1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2282184A1 (de) * | 2009-07-21 | 2011-02-09 | Siemens Schweiz AG | Verfahren und Vorrichtung zur Überwachung des Füllstandes von einem Entnahmegut in einem Aufbewahrungsbehälter |
CN113526175A (zh) * | 2021-07-12 | 2021-10-22 | 宁波大地化工环保有限公司 | 一种全自动粉末料仓料位实时显示装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2251210A1 (de) * | 1971-10-22 | 1973-04-26 | Ford Werke Ag | Anzeigeeinrichtung fuer das unterschreiten einer bestimmten standhoehe der fluessigkeit in einem beliebigen fluessigkeitsspeicher eines kraftfahrzeuges |
DE2542231A1 (de) * | 1975-09-17 | 1977-03-31 | Canon Kk | Fluessigkeitsmengendetektor |
DE2634919A1 (de) * | 1976-08-03 | 1978-02-09 | Kloeckner Humboldt Deutz Ag | Vorrichtung zur anzeige des fluessigkeitsstandes in einem behaelter |
DE2924903A1 (de) * | 1979-06-20 | 1981-01-15 | Siemens Ag | Optoelektronischer fluessigkeitsdetektor |
DE4129696A1 (de) * | 1991-09-06 | 1992-02-06 | Gistl Egmont | Einrichtung zur grenz-pegelmessung von fluessigkeiten, insbesondere von oelstaenden in kfz-motoren |
-
1995
- 1995-05-09 DE DE29507670U patent/DE29507670U1/de not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2251210A1 (de) * | 1971-10-22 | 1973-04-26 | Ford Werke Ag | Anzeigeeinrichtung fuer das unterschreiten einer bestimmten standhoehe der fluessigkeit in einem beliebigen fluessigkeitsspeicher eines kraftfahrzeuges |
DE2542231A1 (de) * | 1975-09-17 | 1977-03-31 | Canon Kk | Fluessigkeitsmengendetektor |
DE2634919A1 (de) * | 1976-08-03 | 1978-02-09 | Kloeckner Humboldt Deutz Ag | Vorrichtung zur anzeige des fluessigkeitsstandes in einem behaelter |
DE2924903A1 (de) * | 1979-06-20 | 1981-01-15 | Siemens Ag | Optoelektronischer fluessigkeitsdetektor |
DE4129696A1 (de) * | 1991-09-06 | 1992-02-06 | Gistl Egmont | Einrichtung zur grenz-pegelmessung von fluessigkeiten, insbesondere von oelstaenden in kfz-motoren |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2282184A1 (de) * | 2009-07-21 | 2011-02-09 | Siemens Schweiz AG | Verfahren und Vorrichtung zur Überwachung des Füllstandes von einem Entnahmegut in einem Aufbewahrungsbehälter |
CN113526175A (zh) * | 2021-07-12 | 2021-10-22 | 宁波大地化工环保有限公司 | 一种全自动粉末料仓料位实时显示装置 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
R163 | Identified publications notified | ||
R207 | Utility model specification |
Effective date: 19961031 |
|
R150 | Utility model maintained after payment of first maintenance fee after three years |
Effective date: 19981209 |
|
R081 | Change of applicant/patentee |
Owner name: 3M ESPE AG, DE Free format text: FORMER OWNER: THERA PATENT GMBH & CO. KG GESELLSCHAFT FUER INDUSTRIELLE SCHUTZRECHTE, 82229 SEEFELD, DE Effective date: 20000706 |
|
R081 | Change of applicant/patentee |
Owner name: 3M ESPE AG, DE Free format text: FORMER OWNER: ESPE DENTAL AG, 82229 SEEFELD, DE Effective date: 20010622 |
|
R151 | Utility model maintained after payment of second maintenance fee after six years |
Effective date: 20011018 |
|
R152 | Utility model maintained after payment of third maintenance fee after eight years |
Effective date: 20030731 |
|
R071 | Expiry of right |