FIELD: temperature control systems in aviation and rocket industries. SUBSTANCE: impeller with hydrostatic relief is mounted on shaft of electric motor arranged in housing. Relief is formed by impeller and stack of bushes mounted in housing. Bushes are interconnected and are mounted in housing for axial displacement. Bush angular position retainer and axial motion limiter are also mounted in housing. Chamber between bush and end of electric motor is hydraulically connected with impeller inlet. EFFECT: enhanced reliability. 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| HERMETICALLY SEALED ELECTRIC PUMPING UNIT | 1996 |
|
RU2118713C1 |
| ELECTRIC PUMP UNIT | 1994 |
|
RU2089754C1 |
| ELECTRIC PUMPING UNIT | 1996 |
|
RU2103556C1 |
| WAVE DRIVE | 1995 |
|
RU2080500C1 |
| AXIAL FAN AND METHOD OF ASSEMBLING SAME | 1993 |
|
RU2061907C1 |
| SEALED APPARATUS AND METHOD OF SUPPLYING GAS | 1995 |
|
RU2095632C1 |
| DRIVE | 1995 |
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| WAVE DRIVE | 1996 |
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| HERMETIC ELECTRIC PUMPING UNIT AND METHOD OF ASSEMBLY OF SUCH UNIT | 1997 |
|
RU2119099C1 |
| WAVE DRIVE | 1996 |
|
RU2110711C1 |
