MAGNETIC FLUID SHAFT SEAL Russian patent published in 2007 - IPC F16J15/43 

Abstract RU 2296903 C2

FIELD: mechanical engineering.

SUBSTANCE: magnetic fluid shaft seal comprises ring magnetic system that embraces the shaft and is made of permanent magnet and pole members with teeth that abuts against it. The teeth are formed by ring grooves. The space between the teeth and shaft is filled with a magnetic fluid. The shaft has teeth similar to the teeth of the pole members. The teeth of the pole members are shifted in the axial direction by half of the tooth with respect to the teeth on the shaft.

EFFECT: enhanced reliability.

4 dwg

Similar patents RU2296903C2

Title Year Author Number
MAGNETO-LIQUID SHAFT PACKING 2004
  • Shchelykalov Jurij Jakovlevich
  • Perminov Sergej Mikhajlovich
  • Perminov Maksim Sergeevich
RU2302573C2
MAGNETIC FLUID SHAFT SEAL 2004
  • Perminov Sergej Mikhajlovich
  • Perminov Maksim Sergeevich
  • Shchelykalov Jurij Jakovlevich
RU2296900C2
MAGNETIC LIQUID SHAFT SEAL 2004
  • Perminov Sergej Mikhajlovich
  • Shchelykalov Jurij Jakovlevich
  • Jablokov Vladimir Petrovich
RU2306469C2
METHOD OF CHARGING MAGNETIC-FLUID SHAFT SEAL WITH FLUID UNDER PRESSURE 2004
  • Perminov Sergej Mikhajlovich
  • Shchelykalov Jurij Jakovlevich
RU2291339C2
SELF-CHARGED MAGNETIC FLUID SHAFT SEAL 2004
  • Perminov Sergej Mikhajlovich
  • Shchelykalov Jurij Jakovlevich
RU2296901C2
MAGNETIC FLUID SHAFT SEAL 2004
  • Perminov Sergej Mikhajlovich
  • Shchelykalov Jurij Jakovlevich
RU2296899C2
MAGNETIC FLUID SEAL OF SHAFT 2004
  • Perminov Sergej Mikhajlovich
  • Shchelykalov Jurij Jakovlevich
  • Jablokov Vladimir Petrovich
RU2306467C2
METHOD OF CHARGING MAGNETIC FLUID SEALING OF SHAFT 2004
  • Perminov Sergej Mikhajlovich
  • Shchelykalov Jurij Jakovlevich
RU2296898C2
METHOD OF CHARGING MAGNETICALLY LIQUID SHAFT SEAL 2004
  • Perminov Sergej Mikhajlovich
  • Shchelykalov Jurij Jakovlevich
RU2297567C2
METHOD OF CHARGING MAGNETIC FLUID SHAFT SEAL 2004
  • Perminov Sergej Mikhajlovich
  • Shchelykalov Jurij Jakovlevich
RU2296902C2

RU 2 296 903 C2

Authors

Perminov Sergej Mikhajlovich

Perminov Maksim Sergeevich

Shchelykalov Jurij Jakovlevich

Dates

2007-04-10Published

2005-01-11Filed