FIELD: seals. SUBSTANCE: axially movable friction ring is tightened by a pressure member in the form of a flexible shell with filler. The shell is a thin walled cylinder with elastic filler. The shell accommodates pistons compressing the filler from end surfaces. One piston is locked on shaft, the other is linked with the coaxially movable friction ring. The shell is made slotted. EFFECT: enhanced reliability. 2 cl, 1 dwg
Title | Year | Author | Number |
---|---|---|---|
FLEXIBLE SPINDLE OF DOWNHOLE MOTOR | 0 |
|
SU1627766A1 |
0 |
|
SU1670225A2 | |
SHOCK ABSORBER | 0 |
|
SU1747757A1 |
FLEXIBLE MEMBER | 0 |
|
SU1719741A1 |
ELASTIC MEMBER | 0 |
|
SU1573250A1 |
SHOCK-ABSORBER | 0 |
|
SU1527425A2 |
SHOCK ABSORBER | 0 |
|
SU1810665A1 |
DRILL STRING VIBRATION DAMPENER | 1991 |
|
RU2015295C1 |
FLEXIBLE MEMBER | 0 |
|
SU1758304A2 |
FLEXIBLE CLUTCH | 0 |
|
SU1668768A1 |
Authors
Dates
1995-09-10—Published
1990-03-11—Filed