Hydrodynamic type porous oil-impregnated bearing and bearing dev

Details Hydrodynamic type porous oil-impregnated bearing and bearing dev Hydrodynamic type porous oil-impregnated bearing and bearing dev

1997-11-26

1999-08-24

Hannon, Thomas R.

Bearings

Rotary bearing

Plain bearing

384100, 384119, 384902, F16C 3310, F16C 3206

Patent

active

059416467

ABSTRACT:
Two bearing bodies 1 each having a bearing surface 17 are force-fitted into a housing 7 which is opened at one end and closed at the other end thereof, and a shaft 2 (rotary shaft) is inserted in the bearing bodies 1, thereby forming two axially spaced porous oil-impregnated bearings A. The inner peripheral surfaces of the bearing bodies 1 and the oil leak preventing member 11 are formed with a plurality of inclined grooves (hydrodynamic-pressure-generating grooves 5 and air current producing grooves 12). A solid lubricating composition 3 composed of synthetic resin as a base material and oil as a lubricating component by blending lubricating oil or lubricating greases is disposed between the two bearing bodies 1.

REFERENCES:
patent: 2800373 (1957-07-01), Kablick et al.
patent: 5678929 (1997-10-01), Parsoneault et al.
patent: 5746516 (1998-05-01), Miyasaka et al.
patent: 5762423 (1998-06-01), Mori et al.

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