FR2197138A1 - - Google Patents
Info
- Publication number
- FR2197138A1 FR2197138A1 FR7325139A FR7325139A FR2197138A1 FR 2197138 A1 FR2197138 A1 FR 2197138A1 FR 7325139 A FR7325139 A FR 7325139A FR 7325139 A FR7325139 A FR 7325139A FR 2197138 A1 FR2197138 A1 FR 2197138A1
- 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
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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
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/08—Means in valves for absorbing fluid energy for decreasing pressure or noise level and having a throttling member separate from the closure member, e.g. screens, slots, labyrinths
- F16K47/10—Means in valves for absorbing fluid energy for decreasing pressure or noise level and having a throttling member separate from the closure member, e.g. screens, slots, labyrinths in which the medium in one direction must flow through the throttling channel, and in the other direction may flow through a much wider channel parallel to the throttling channel
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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
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/08—Means in valves for absorbing fluid energy for decreasing pressure or noise level and having a throttling member separate from the closure member, e.g. screens, slots, labyrinths
- F16K47/12—Means in valves for absorbing fluid energy for decreasing pressure or noise level and having a throttling member separate from the closure member, e.g. screens, slots, labyrinths the throttling channel being of helical form
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1236072A CH555020A (de) | 1972-08-21 | 1972-08-21 | Ventil. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2197138A1 true FR2197138A1 (zh) | 1974-03-22 |
FR2197138B3 FR2197138B3 (zh) | 1976-06-25 |
Family
ID=4382295
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7325139A Expired FR2197138B3 (zh) | 1972-08-21 | 1973-07-04 |
Country Status (2)
Country | Link |
---|---|
CH (1) | CH555020A (zh) |
FR (1) | FR2197138B3 (zh) |
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1972
- 1972-08-21 CH CH1236072A patent/CH555020A/xx not_active IP Right Cessation
-
1973
- 1973-07-04 FR FR7325139A patent/FR2197138B3/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2197138B3 (zh) | 1976-06-25 |
CH555020A (de) | 1974-10-15 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |