DE3022010A1 - PLASTIC WHEEL WITH THROTTLE GAPS - Google Patents
PLASTIC WHEEL WITH THROTTLE GAPSInfo
- Publication number
- DE3022010A1 DE3022010A1 DE3022010A DE3022010A DE3022010A1 DE 3022010 A1 DE3022010 A1 DE 3022010A1 DE 3022010 A DE3022010 A DE 3022010A DE 3022010 A DE3022010 A DE 3022010A DE 3022010 A1 DE3022010 A1 DE 3022010A1
- Authority
- DE
- Germany
- Prior art keywords
- plastic wheel
- throttle gaps
- throttle
- gaps
- wheel
- 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.)
- Granted
Links
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
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2261—Rotors specially for centrifugal pumps with special measures
- F04D29/2266—Rotors specially for centrifugal pumps with special measures for sealing or thrust balance
-
- 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
- F04D29/08—Sealings
- F04D29/16—Sealings between pressure and suction sides
- F04D29/165—Sealings between pressure and suction sides especially adapted for liquid pumps
- F04D29/167—Sealings between pressure and suction sides especially adapted for liquid pumps of a centrifugal flow wheel
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3022010A DE3022010C2 (en) | 1980-06-12 | 1980-06-12 | Plastic impeller with throttle gaps |
FR8111297A FR2484563A1 (en) | 1980-06-12 | 1981-06-09 | Plastics rotor for pump has integrally moulded sealing ridges - of small radial height permitting easy ejection from mould |
IT22240/81A IT1137087B (en) | 1980-06-12 | 1981-06-10 | IMPELLER IN ARTIFICIAL MATERIAL WITH CHOKING SLITS |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3022010A DE3022010C2 (en) | 1980-06-12 | 1980-06-12 | Plastic impeller with throttle gaps |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3022010A1 true DE3022010A1 (en) | 1981-12-17 |
DE3022010C2 DE3022010C2 (en) | 1985-03-07 |
Family
ID=6104426
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3022010A Expired DE3022010C2 (en) | 1980-06-12 | 1980-06-12 | Plastic impeller with throttle gaps |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE3022010C2 (en) |
FR (1) | FR2484563A1 (en) |
IT (1) | IT1137087B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4209490A1 (en) * | 1992-03-24 | 1993-09-30 | Licentia Gmbh | Liquid pump esp. circulating pump for rinsing liquid in dishwasher - has pump impeller of plastic and its blades on one side are arranged on closed circular disc and on other side covered with circular ring disc with central opening |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8613676U1 (en) * | 1986-05-21 | 1986-08-07 | TRW Pleuger Unterwasserpumpen GmbH, 2000 Hamburg | Centrifugal pump with wear rings for impellers |
IT1240003B (en) * | 1990-04-24 | 1993-11-27 | Nuovopignone-Industrie Meccaniche Efonderia | IMPROVEMENTS IN A TOROIDAL CHAMBER REGENERATIVE TYPE COMPRESSOR |
US5709528A (en) * | 1996-12-19 | 1998-01-20 | Varian Associates, Inc. | Turbomolecular vacuum pumps with low susceptiblity to particulate buildup |
CN105604974A (en) * | 2015-12-29 | 2016-05-25 | 西安航天动力研究所 | Centrifugal pump impeller sealing structure |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3107627A (en) * | 1958-06-27 | 1963-10-22 | Stalker Corp | Rotor for radial flow pumping means |
DE1503248A1 (en) * | 1964-11-21 | 1969-05-08 | Alfa Romeo Societa Per Azioni | Impeller for rotating power and work machines |
FR2406105A1 (en) * | 1977-10-14 | 1979-05-11 | Pompes Essa Mico | Centrifugal pump proof against high temperature corrosive liquids - uses fluorinated polymers for wheel and protection of metal |
-
1980
- 1980-06-12 DE DE3022010A patent/DE3022010C2/en not_active Expired
-
1981
- 1981-06-09 FR FR8111297A patent/FR2484563A1/en not_active Withdrawn
- 1981-06-10 IT IT22240/81A patent/IT1137087B/en active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3107627A (en) * | 1958-06-27 | 1963-10-22 | Stalker Corp | Rotor for radial flow pumping means |
DE1503248A1 (en) * | 1964-11-21 | 1969-05-08 | Alfa Romeo Societa Per Azioni | Impeller for rotating power and work machines |
FR2406105A1 (en) * | 1977-10-14 | 1979-05-11 | Pompes Essa Mico | Centrifugal pump proof against high temperature corrosive liquids - uses fluorinated polymers for wheel and protection of metal |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4209490A1 (en) * | 1992-03-24 | 1993-09-30 | Licentia Gmbh | Liquid pump esp. circulating pump for rinsing liquid in dishwasher - has pump impeller of plastic and its blades on one side are arranged on closed circular disc and on other side covered with circular ring disc with central opening |
Also Published As
Publication number | Publication date |
---|---|
FR2484563A1 (en) | 1981-12-18 |
DE3022010C2 (en) | 1985-03-07 |
IT8122240A0 (en) | 1981-06-10 |
IT1137087B (en) | 1986-09-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
OP8 | Request for examination as to paragraph 44 patent law | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |