FR2248451B1 - - Google Patents
Info
- Publication number
- FR2248451B1 FR2248451B1 FR7337614A FR7337614A FR2248451B1 FR 2248451 B1 FR2248451 B1 FR 2248451B1 FR 7337614 A FR7337614 A FR 7337614A FR 7337614 A FR7337614 A FR 7337614A FR 2248451 B1 FR2248451 B1 FR 2248451B1
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
- F16K31/0655—Lift valves
- F16K31/0665—Lift valves with valve member being at least partially ball-shaped
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/14—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with ball-shaped valve member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/168—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side combined with manually-controlled valves, e.g. a valve combined with a safety valve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N23/00—Special adaptations of check valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7337614A FR2248451A1 (en) | 1973-10-22 | 1973-10-22 | Ball valve for hydraulic circuits - includes an electromagnet operated by a variable electrical resistance |
BE2053931A BE821277A (en) | 1973-10-22 | 1974-10-21 | BALL VALVE |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7337614A FR2248451A1 (en) | 1973-10-22 | 1973-10-22 | Ball valve for hydraulic circuits - includes an electromagnet operated by a variable electrical resistance |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2248451A1 FR2248451A1 (en) | 1975-05-16 |
FR2248451B1 true FR2248451B1 (en) | 1976-10-01 |
Family
ID=9126752
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7337614A Granted FR2248451A1 (en) | 1973-10-22 | 1973-10-22 | Ball valve for hydraulic circuits - includes an electromagnet operated by a variable electrical resistance |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE821277A (en) |
FR (1) | FR2248451A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT378041B (en) * | 1983-01-13 | 1985-06-10 | Hoerbiger Ventilwerke Ag | DEVICE FOR CONTROLLING SCREW COMPRESSORS |
FR2743129B1 (en) * | 1995-12-29 | 1998-02-13 | Renault | PIEZOELECTRIC CONTROLLED NON-RETURN VALVE |
CN113914341A (en) * | 2021-08-31 | 2022-01-11 | 中铁第一勘察设计院集团有限公司 | Underground engineering pressure-limiting drainage device |
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1973
- 1973-10-22 FR FR7337614A patent/FR2248451A1/en active Granted
-
1974
- 1974-10-21 BE BE2053931A patent/BE821277A/en unknown
Also Published As
Publication number | Publication date |
---|---|
BE821277A (en) | 1975-02-17 |
FR2248451A1 (en) | 1975-05-16 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |