BE643679A - - Google Patents
Info
- Publication number
- BE643679A BE643679A BE643679DA BE643679A BE 643679 A BE643679 A BE 643679A BE 643679D A BE643679D A BE 643679DA BE 643679 A BE643679 A BE 643679A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/18—Switches operated by change of liquid level or of liquid density, e.g. float switch
-
- 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
- G01F23/0038—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 using buoyant probes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/10—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by observing bodies wholly or partially immersed in fluid materials
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US26017963A | 1963-02-21 | 1963-02-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE643679A true BE643679A (de) | 1964-08-12 |
Family
ID=22988103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE643679D BE643679A (de) | 1963-02-21 | 1964-02-12 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE643679A (de) |
| GB (1) | GB1023436A (de) |
| NL (1) | NL303012A (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112622564B (zh) * | 2020-12-22 | 2023-06-06 | 宋清云 | 一种汽车内空气流通的安全保险系统及其装置 |
-
0
- NL NL303012D patent/NL303012A/xx unknown
-
1963
- 1963-12-30 GB GB5117463A patent/GB1023436A/en not_active Expired
-
1964
- 1964-02-12 BE BE643679D patent/BE643679A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1023436A (en) | 1966-03-23 |
| NL303012A (de) |