Method and device for the autolubrication of the rolling bearing

Details Method and device for the autolubrication of the rolling bearing Method and device for the autolubrication of the rolling bearing

1995-11-02

1998-04-07

Verdier, Christopher

Pumps

Motor driven

Fluid motor

415112, 415175, 415176, 415177, 415178, 184 611, 184 616, 184 622, 184 31, 1841041, 384465, 384471, 384473, F04B 1700, F16N 736

Patent

active

057356769

ABSTRACT:
A method and device for the autolubrication of the rolling bearings of turbomachines. The method and device utilize pressure differences present in the turbomachine for sucking in the lubricating oil. Moreover, a pressure is built up in centrifuges arranged on a shaft, and is used for the direct injection of the lubricating oil into the rolling bearings. For this purpose, an annular element imparting a negative pressure is arranged stationarily on the shaft, and is designed as a negative pressure chamber. The negative pressure chamber is connected via an oil suction conduit to an oil sump holding the lubricating oil and via a first air conduit to a negative pressure region of the turbomachine. The oil sump is connected via a second air conduit to an overpressure region of the turbomachine. A separating point is arranged between the oil suction conduit and the negative pressure region, preferably in the first air conduit.

REFERENCES:
patent: 2886133 (1959-05-01), Mauck et al.
patent: 3420434 (1969-01-01), Swearingen
patent: 3728857 (1973-04-01), Nichols
patent: 3895689 (1975-07-01), Swearingen
patent: 4137997 (1979-02-01), Ando
patent: 4285632 (1981-08-01), DeSalve
patent: 4743162 (1988-05-01), Pope
patent: 4798523 (1989-01-01), Glaser et al.
patent: 5320196 (1994-06-01), Mouton
patent: 5513964 (1996-05-01), Rockwood

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