| 发明名称 |
BORE-HOLE PUMP ACTUATING DEVICE |
| 摘要 |
FIELD: engines and pumps.SUBSTANCE: between two traverses of suspension of actuator there installed is toroidal elastic element forming a closed cavity connected to atmosphere by means of spring-loaded small outlet valve. Height of elastic element in open position is equal at least to the delay value of polished stock from head of balance-beam during downward movement.EFFECT: increased operating reliability of device.1 cl, 2 dwg |
| 申请公布号 |
RU2472033(C2) |
申请公布日期 |
2013.01.10 |
| 申请号 |
RU20090111175 |
申请日期 |
2009.03.26 |
| 申请人 |
MASLENNIKOV EVGENIJ PETROVICH;SHAJKHULLOV AL'BERT MAKSUTOVICH;VYSOTSKIKH ALEKSANDR MIKHAJLOVICH;VALEEV ASGAR MARATOVICH;KONOVALOV ALEKSANDR ALEKSANDROVICH |
发明人 |
MASLENNIKOV EVGENIJ PETROVICH;SHAJKHULLOV AL'BERT MAKSUTOVICH;VYSOTSKIKH ALEKSANDR MIKHAJLOVICH;VALEEV ASGAR MARATOVICH;KONOVALOV ALEKSANDR ALEKSANDROVICH |
| 分类号 |
F04B47/02;F04B49/02 |
主分类号 |
F04B47/02 |
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