DD96307A5 - - Google Patents
Info
- Publication number
- DD96307A5 DD96307A5 DD16149672A DD16149672A DD96307A5 DD 96307 A5 DD96307 A5 DD 96307A5 DD 16149672 A DD16149672 A DD 16149672A DD 16149672 A DD16149672 A DD 16149672A DD 96307 A5 DD96307 A5 DD 96307A5
- Authority
- DD
- German Democratic Republic
Links
Classifications
-
- 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
- F16K15/00—Check valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
- F04D25/12—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures
- F04D25/14—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures and having shutters, e.g. automatically closed when not in use
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/009—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by bleeding, by passing or recycling fluid
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Bag Frames (AREA)
- Sealing Devices (AREA)
- Self-Closing Valves And Venting Or Aerating Valves (AREA)
- Mattresses And Other Support Structures For Chairs And Beds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7108797A FR2129063A5 (xx) | 1971-03-12 | 1971-03-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD96307A5 true DD96307A5 (xx) | 1973-03-12 |
Family
ID=9073470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD16149672A DD96307A5 (xx) | 1971-03-12 | 1972-03-13 |
Country Status (9)
| Country | Link |
|---|---|
| AT (1) | AT308952B (xx) |
| CA (1) | CA963350A (xx) |
| CH (1) | CH555021A (xx) |
| DD (1) | DD96307A5 (xx) |
| DE (1) | DE2210955A1 (xx) |
| ES (1) | ES400987A1 (xx) |
| FR (1) | FR2129063A5 (xx) |
| GB (1) | GB1387902A (xx) |
| IT (1) | IT957252B (xx) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3641433A1 (de) * | 1986-12-04 | 1988-06-09 | Mct Brattberg Kabeldurchfuehru | Blockiervorrichtung fuer einen luftfuehrenden kanal |
| DE29711777U1 (de) * | 1997-07-06 | 1997-10-23 | Straeter Fritz Gmbh | Verschlußmechanismus |
| GB2344617A (en) * | 1998-12-09 | 2000-06-14 | Air Control Ind Ltd | Blown air apparatus with control valve |
-
1971
- 1971-03-12 FR FR7108797A patent/FR2129063A5/fr not_active Expired
-
1972
- 1972-02-29 CH CH283572A patent/CH555021A/fr not_active IP Right Cessation
- 1972-03-06 ES ES400987A patent/ES400987A1/es not_active Expired
- 1972-03-07 DE DE19722210955 patent/DE2210955A1/de active Pending
- 1972-03-07 GB GB1051672A patent/GB1387902A/en not_active Expired
- 1972-03-09 CA CA136,692A patent/CA963350A/en not_active Expired
- 1972-03-09 IT IT938572A patent/IT957252B/it active
- 1972-03-10 AT AT205172A patent/AT308952B/de not_active IP Right Cessation
- 1972-03-13 DD DD16149672A patent/DD96307A5/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1387902A (en) | 1975-03-19 |
| CA963350A (en) | 1975-02-25 |
| ES400987A1 (es) | 1975-02-01 |
| IT957252B (it) | 1973-10-10 |
| FR2129063A5 (xx) | 1972-10-27 |
| CH555021A (fr) | 1974-10-15 |
| DE2210955A1 (de) | 1972-09-21 |
| AT308952B (de) | 1973-07-25 |