DE3802949C2 - - Google Patents
Info
- Publication number
- DE3802949C2 DE3802949C2 DE19883802949 DE3802949A DE3802949C2 DE 3802949 C2 DE3802949 C2 DE 3802949C2 DE 19883802949 DE19883802949 DE 19883802949 DE 3802949 A DE3802949 A DE 3802949A DE 3802949 C2 DE3802949 C2 DE 3802949C2
- Authority
- DE
- Germany
- Prior art keywords
- fan
- air
- hub
- fan blades
- blades
- 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.)
- Expired - Fee Related
Links
- 239000007788 liquid Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 2
- 238000001816 cooling Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/321—Rotors specially for elastic fluids for axial flow pumps for axial flow compressors
- F04D29/322—Blade mountings
- F04D29/323—Blade mountings adjustable
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/132—Submersible electric motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/14—Arrangements for cooling or ventilating wherein gaseous cooling medium circulates between the machine casing and a surrounding mantle
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/09—Machines characterised by the presence of elements which are subject to variation, e.g. adjustable bearings, reconfigurable windings, variable pitch ventilators
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19883802949 DE3802949A1 (de) | 1988-02-02 | 1988-02-02 | Luftventilator mit kleiner leistung im wasserbetrieb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19883802949 DE3802949A1 (de) | 1988-02-02 | 1988-02-02 | Luftventilator mit kleiner leistung im wasserbetrieb |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3802949A1 DE3802949A1 (de) | 1989-08-10 |
| DE3802949C2 true DE3802949C2 (enExample) | 1993-07-22 |
Family
ID=6346404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19883802949 Granted DE3802949A1 (de) | 1988-02-02 | 1988-02-02 | Luftventilator mit kleiner leistung im wasserbetrieb |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3802949A1 (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4229038C2 (de) * | 1992-07-15 | 1995-01-05 | Loher Ag | Lüfter für einen Elektromotor |
| US6079958A (en) * | 1997-10-03 | 2000-06-27 | Roper Holdings, Inc. | Dry-pit submersible pump having a fan and a torque-relieving mechanism |
| US6783322B2 (en) | 2002-04-23 | 2004-08-31 | Roper Holdings, Inc. | Pump system with variable-pressure seal |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE236749C (enExample) * | ||||
| GB402782A (en) * | 1932-05-30 | 1933-11-30 | James Herbert Wainwright Gill | Improvements in or relating to screw rotors for high speed axial flow machines |
| DE851175C (de) * | 1948-10-02 | 1952-10-02 | Fritz Hirsch | Selbstregelung von Kreiselradmaschinen |
| CH303021A (fr) * | 1952-03-15 | 1954-11-15 | B Brunet Ramon | Hélice de ventilateur. |
| DE2049679A1 (de) * | 1970-10-09 | 1972-04-13 | Bosch Gmbh Robert | Lüfter für eine elektrische Maschine |
-
1988
- 1988-02-02 DE DE19883802949 patent/DE3802949A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3802949A1 (de) | 1989-08-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |