| 发明名称 |
METHOD OF CONTROLLING WATER-DRAINAGE INSTALLATION OPERATING CONDITIONS |
| 摘要 |
FIELD: engines and pumps. ^ SUBSTANCE: proposed method to control water-drainage installation comprises stage chamber pump 3 complete with one-impeller delivery pump 5 consists in varying impeller rpm of the later. At the same time, air is forced via air line 12 incorporating control valve 13 in the pipeline connecting main pump plant 3 with delivery pump 5, while varying delivery pump impeller rpm serves to keep constant rarefaction in air feed point of the pipeline. ^ EFFECT: expanded delivery range and stable operation. ^ 1 dwg |
| 申请公布号 |
RU2403452(C2) |
申请公布日期 |
2010.11.10 |
| 申请号 |
RU20080149672 |
申请日期 |
2008.12.16 |
| 申请人 |
GOSUDARSTVENNOE OBRAZOVATEL'NOE UCHREZHDENIE VYSSHEGO PROFESSIONAL'NOGO OBRAZOVANIJA "JUZHNO-ROSSIJSKIJ GOSUDARSTVENNYJ TEKHNICHESKIJ UNIVERSITET (NOVOCHERKASSKIJ POLITEKHNICHESKIJ INSTITUT)" |
发明人 |
BOCHENKOV DMITRIJ ALEKSANDROVICH;VOLKOV VLADIMIR VLADIMIROVICH;STASHINOV JURIJ PAVLOVICH;VOLKOV DMITRIJ VLADIMIROVICH |
| 分类号 |
F04D15/00 |
主分类号 |
F04D15/00 |
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