FR2247712A1 - Liquefied gas level warning indicator - consectuve depressions cause sound emitting hammer to rise and fall - Google Patents
Liquefied gas level warning indicator - consectuve depressions cause sound emitting hammer to rise and fallInfo
- Publication number
- FR2247712A1 FR2247712A1 FR7336120A FR7336120A FR2247712A1 FR 2247712 A1 FR2247712 A1 FR 2247712A1 FR 7336120 A FR7336120 A FR 7336120A FR 7336120 A FR7336120 A FR 7336120A FR 2247712 A1 FR2247712 A1 FR 2247712A1
- Authority
- FR
- France
- Prior art keywords
- hammer
- fall
- consectuve
- rise
- liquefied gas
- 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.)
- Withdrawn
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
- G01F23/0007—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 for discrete indicating and measuring
- G01F23/0015—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 for discrete indicating and measuring with a whistle or other sonorous signal
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Cookers (AREA)
Abstract
A detector comprises a metallic casing (1) which is closed and sealed by a cover (2) in which there is a hole (12) for connexion to a valve. The bottom of the casing comprises an orifice (3) with the sides forming the seat (8) for a clacker. The sound emitter is a hammer (10) which has an enlarged top (11) and which is sealed by a circular membrane (9). It also seals the clacker (7) which rests on the seat (8). Gas depressions in the casing cause the membrane to deform to lift the hammer, subsequent depressions raise the clacker and cause it to fall thus emitting a sound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7336120A FR2247712A1 (en) | 1973-10-10 | 1973-10-10 | Liquefied gas level warning indicator - consectuve depressions cause sound emitting hammer to rise and fall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7336120A FR2247712A1 (en) | 1973-10-10 | 1973-10-10 | Liquefied gas level warning indicator - consectuve depressions cause sound emitting hammer to rise and fall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2247712A1 true FR2247712A1 (en) | 1975-05-09 |
Family
ID=9126187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7336120A Withdrawn FR2247712A1 (en) | 1973-10-10 | 1973-10-10 | Liquefied gas level warning indicator - consectuve depressions cause sound emitting hammer to rise and fall |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2247712A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994007083A1 (en) * | 1992-09-16 | 1994-03-31 | Tokai Corporation | Disposable liquefied gas cylinder with remaining volume alarm and manufacturing method thereof |
-
1973
- 1973-10-10 FR FR7336120A patent/FR2247712A1/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994007083A1 (en) * | 1992-09-16 | 1994-03-31 | Tokai Corporation | Disposable liquefied gas cylinder with remaining volume alarm and manufacturing method thereof |
| US5555905A (en) * | 1992-09-16 | 1996-09-17 | Tokai Corporation | Cassette type gas cylinder with remaining volume alarm unit and manufacturing method thereof |
| CN1058079C (en) * | 1992-09-16 | 2000-11-01 | 株式会社东海 | Cassette type gas cylinder with remaining volume alarm unit and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |