Bearing device for horizontal shaft type rotating machine

Details Bearing device for horizontal shaft type rotating machine Bearing device for horizontal shaft type rotating machine

1991-10-04

1992-08-18

Hannon, Thomas R.

Bearings

Rotary bearing

Plain bearing

384404, F16C 3366, F16C 3310

Patent

active

051393492

ABSTRACT:
A bearing device for a horizontal shaft type rotating machine includes an oil tank formed at the lower portion of the bearing box for storing lubricant oil for the bearing, the oil tank being divided by a bearing support plate between an oil feeding chamber and an oil collecting chamber; an oil feeding apparatus which pumps up the lubricant oil in the oil feeding chamber and feeds the lubricant oil onto the bearing; and a pair of diffusion flow passages; each of the pair of diffusion flow passages being formed along the inner wall of the oil tank and connects the oil collecting chamber with the oil feeding chamber; each of the diffusion flow passages permitting diffusion and movement of the lubricant oil from the oil collecting chamber to the oil feeding chamber. Each of the diffusion flow passages including a baffle chamber and a narrow gap flow passage downstream of the baffle chamber and having a smaller cross section flow passage area than the baffle chamber and the upper portion of the baffle chamber being open to the air, whereby air bubbles contained in the collected high temperature lubricant oil are removed at an early stage of their return travel from the oil collecting chamber to the oil feeding chamber.

REFERENCES:
patent: 2080101 (1937-05-01), Trumpler
patent: 2606796 (1952-08-01), Helms
patent: 3098683 (1963-07-01), Jernberg
patent: 3857462 (1974-12-01), Kaufman et al.
patent: 4327950 (1982-05-01), Czuscak
patent: 4448552 (1984-05-01), White et al.
patent: 4964740 (1990-10-01), Nakano et al.

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