FR2188289A1 - - Google Patents
Info
- Publication number
- FR2188289A1 FR2188289A1 FR7320936A FR7320936A FR2188289A1 FR 2188289 A1 FR2188289 A1 FR 2188289A1 FR 7320936 A FR7320936 A FR 7320936A FR 7320936 A FR7320936 A FR 7320936A FR 2188289 A1 FR2188289 A1 FR 2188289A1
- 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.)
- Granted
Links
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
- G01F23/30—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 floats
- G01F23/64—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 floats of the free float type without mechanical transmission elements
-
- 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
- G01F23/30—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 floats
- G01F23/64—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 floats of the free float type without mechanical transmission elements
- G01F23/72—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 floats of the free float type without mechanical transmission elements using magnetically actuated indicating means
- G01F23/74—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 floats of the free float type without mechanical transmission elements using magnetically actuated indicating means for sensing changes in level only at discrete points
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/12—Movable parts; Contacts mounted thereon
- H01H13/14—Operating parts, e.g. push-button
- H01H13/18—Operating parts, e.g. push-button adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. door switch, limit switch, floor-levelling switch of a lift
- H01H13/186—Operating parts, e.g. push-button adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. door switch, limit switch, floor-levelling switch of a lift wherein the pushbutton is rectilinearly actuated by a lever pivoting on the housing of the switch
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
- H01H36/02—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding actuated by movement of a float carrying a magnet
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Level Indicators Using A Float (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2729972A GB1427523A (en) | 1972-06-12 | 1972-06-12 | Float switches |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2188289A1 true FR2188289A1 (fr) | 1974-01-18 |
FR2188289B1 FR2188289B1 (fr) | 1979-01-12 |
Family
ID=10257330
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7320936A Expired FR2188289B1 (fr) | 1972-06-12 | 1973-06-08 |
Country Status (11)
Country | Link |
---|---|
US (1) | US3944844A (fr) |
JP (1) | JPS4952662A (fr) |
AU (1) | AU468456B2 (fr) |
BE (1) | BE800794A (fr) |
CH (1) | CH558591A (fr) |
DE (2) | DE7321622U (fr) |
FR (1) | FR2188289B1 (fr) |
GB (1) | GB1427523A (fr) |
IT (1) | IT985386B (fr) |
NL (1) | NL7308022A (fr) |
ZA (1) | ZA733600B (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59205121A (ja) * | 1983-05-09 | 1984-11-20 | 積水化成品工業株式会社 | フロ−トスイツチ |
US4746776A (en) * | 1987-07-22 | 1988-05-24 | Webster Electric Company, Inc. | Float-actuated switching assembly |
GB8907419D0 (en) * | 1989-04-01 | 1989-05-17 | Cooper Robert | Liquid level monitoring apparatus |
US5343226A (en) | 1990-09-28 | 1994-08-30 | Dataproducts Corporation | Ink jet ink supply apparatus |
GB2292836B (en) * | 1994-09-01 | 1998-06-10 | S B Services | Device for detecting the presence of gas in the output of a pump |
US20030029223A1 (en) * | 2001-08-10 | 2003-02-13 | Taylor J. Lawrence | Fully automated, self testing level sensor |
AU2006254863B2 (en) * | 2005-06-08 | 2011-06-30 | Lumenite Control Technology Inc. | Self-calibrating liquid level transmitter |
CN113959519A (zh) * | 2021-10-29 | 2022-01-21 | 黄岛检验认证有限公司 | 一种料位计 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3293579A (en) * | 1965-04-23 | 1966-12-20 | Acme Machine Works Inc | Liquid level indicator incorporating permanent magnets |
-
1972
- 1972-06-12 GB GB2729972A patent/GB1427523A/en not_active Expired
-
1973
- 1973-05-28 ZA ZA733600A patent/ZA733600B/xx unknown
- 1973-06-04 AU AU56495/73A patent/AU468456B2/en not_active Expired
- 1973-06-08 DE DE7321622U patent/DE7321622U/de not_active Expired
- 1973-06-08 DE DE2329474A patent/DE2329474A1/de active Pending
- 1973-06-08 FR FR7320936A patent/FR2188289B1/fr not_active Expired
- 1973-06-08 NL NL7308022A patent/NL7308022A/xx unknown
- 1973-06-11 IT IT5063973A patent/IT985386B/it active
- 1973-06-11 JP JP6487573A patent/JPS4952662A/ja active Pending
- 1973-06-12 BE BE132166A patent/BE800794A/fr unknown
- 1973-06-12 CH CH847273A patent/CH558591A/xx not_active IP Right Cessation
-
1974
- 1974-07-30 US US05/493,089 patent/US3944844A/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
NEANT * |
Also Published As
Publication number | Publication date |
---|---|
CH558591A (de) | 1975-01-31 |
ZA733600B (en) | 1974-07-31 |
DE7321622U (de) | 1974-04-18 |
AU5649573A (en) | 1974-12-05 |
IT985386B (it) | 1974-11-30 |
US3944844A (en) | 1976-03-16 |
DE2329474A1 (de) | 1974-01-03 |
NL7308022A (fr) | 1973-12-14 |
JPS4952662A (fr) | 1974-05-22 |
GB1427523A (en) | 1976-03-10 |
FR2188289B1 (fr) | 1979-01-12 |
AU468456B2 (en) | 1976-01-15 |
BE800794A (fr) | 1973-12-12 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |