FR2080727B1 - - Google Patents
Info
- Publication number
- FR2080727B1 FR2080727B1 FR717106174A FR7106174A FR2080727B1 FR 2080727 B1 FR2080727 B1 FR 2080727B1 FR 717106174 A FR717106174 A FR 717106174A FR 7106174 A FR7106174 A FR 7106174A FR 2080727 B1 FR2080727 B1 FR 2080727B1
- Authority
- FR
- France
- 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
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
- A61M1/3624—Level detectors; Level control
-
- 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
- G01F23/241—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 for discrete levels
-
- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7287—Liquid level responsive or maintaining systems
- Y10T137/7306—Electrical characteristic sensing
-
- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8158—With indicator, register, recorder, alarm or inspection means
- Y10T137/8342—Liquid level responsive indicator, recorder or alarm
Landscapes
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Thermal Sciences (AREA)
- Cardiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- External Artificial Organs (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1358570A | 1970-02-24 | 1970-02-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2080727A1 FR2080727A1 (fr) | 1971-11-19 |
FR2080727B1 true FR2080727B1 (fr) | 1974-02-15 |
Family
ID=21760697
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR717106174A Expired FR2080727B1 (fr) | 1970-02-24 | 1971-02-23 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3704724A (fr) |
JP (1) | JPS5114274B1 (fr) |
CA (1) | CA970061A (fr) |
FR (1) | FR2080727B1 (fr) |
GB (1) | GB1325714A (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3781840A (en) * | 1972-06-02 | 1973-12-25 | Gen Electric | Instrument for guiding the blind in filling open-top vessels |
US4021795A (en) * | 1975-08-04 | 1977-05-03 | Hollingsworth Robert Q | System for indicating depletion of sliver from a sliver can |
USRE34337E (en) | 1985-06-11 | 1993-08-10 | Imi Cornelius Inc. | Beverage dispenser with automatic cup-filling control and method for beverage dispensing |
US4985696A (en) * | 1986-11-20 | 1991-01-15 | Lagoven S.A. | Electronic controller by resistivity of water-oil interface |
US5065139A (en) * | 1990-05-22 | 1991-11-12 | Joseph Shefsky | Portable level sensing apparatus |
US8042567B2 (en) * | 2008-06-09 | 2011-10-25 | Grand Hall Enterprise Co., Ltd. | Gas meter of gas canister valve |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE377336C (de) * | 1923-06-16 | Hermann Wolffsohn | Vorrichtung zum Anzeigen des Fluessigkeitsstandes in offenen Gefaessen, insbesondere Badewannen, mittels stromleitender, durch die Fluessigkeit geschlossener und dann ein elektrisches Laeutewerk betaetigender Kontakte | |
US2639078A (en) * | 1949-09-28 | 1953-05-19 | Cory Corp | Receptacle filling and liquid level control system |
FR1138184A (fr) * | 1955-01-28 | 1957-06-11 | App V F B | Dispositif de réglage électrique d'un niveau entre deux limites déterminées au moyen d'une seule électrode |
US3008133A (en) * | 1959-11-17 | 1961-11-07 | Salvatore Conigliaro | Combined door signal and mail indicator device |
FR1382882A (fr) * | 1964-02-24 | 1964-12-18 | Batterie d'accumulateurs à électrolyte liquide, notamment pour véhicules | |
AT267898B (de) * | 1966-05-20 | 1969-01-27 | Hectronic Ag | Automatische Sicherungseinrichtung gegen Überfüllen einer Tankanlage mit einer Flüssigkeit |
US3339578A (en) * | 1966-07-29 | 1967-09-05 | Maytag Co | Level sensing means for electrically conductive materials |
US3408941A (en) * | 1967-04-13 | 1968-11-05 | Kenneth G. Sorensen | Tank filling control circuit |
-
1970
- 1970-02-24 US US13585A patent/US3704724A/en not_active Expired - Lifetime
- 1970-04-10 CA CA079,819*7A patent/CA970061A/en not_active Expired
- 1970-07-31 GB GB3714470A patent/GB1325714A/en not_active Expired
- 1970-08-28 JP JP45075019A patent/JPS5114274B1/ja active Pending
-
1971
- 1971-02-23 FR FR717106174A patent/FR2080727B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5114274B1 (fr) | 1976-05-08 |
CA970061A (en) | 1975-06-24 |
FR2080727A1 (fr) | 1971-11-19 |
GB1325714A (en) | 1973-08-08 |
US3704724A (en) | 1972-12-05 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |