Method and apparatus for observing, indicating and maintaining f

Details Method and apparatus for observing, indicating and maintaining f Method and apparatus for observing, indicating and maintaining f

1975-10-09

1976-10-05

Pinkham, Richard C.

Lubrication

Lubricators

Force feed

134113, 134169C, 137453, 184 1C, 184 1E, 184 66, 184 96, 184103R, 417 63, F16N 1308, F16N 2902, F01M 1106

Patent

active

039839583

ABSTRACT:
Apparatus is provided for attachment to a bearing housing through an access conduit, which provides means for allowing observation of the lubricating oil in the bearing housing, ascertaining the level of oil in the lubricating housing, and maintaining a desired fluid level in the bearing. The apparatus provided has an upper chamber and lower chamber, separated by a partition. An opening in the partition allows fluid communication between the upper and lower chambers with a tube connected to the opening and extending a distance into the lower chamber. An aperture through the housing in the lower chamber above the lower end of the tube allows ambient pressure in the lower chamber. Lubricating oil in the two chambers may be pushed from the chambers through the access conduit by a plunger in the upper chamber when the aperture is covered by the hand to remove any blockage of the conduit and then upon withdrawal of the plunger bringing fluid back into the lower and upper chamber. Oil may be observed for condition in the chambers, and the oil level in the bearing determined. When the aperture is uncovered the oil is maintained at the desired level.

REFERENCES:
patent: 635210 (1899-10-01), Van Vriesland
patent: 943959 (1909-12-01), Van Zoelen
patent: 1435276 (1922-11-01), Bignell
patent: 1548222 (1925-08-01), Spreen
patent: 1923857 (1933-08-01), Armantrout et al.
patent: 1972962 (1934-09-01), Weber
patent: 2071929 (1937-02-01), Harter
patent: 2460814 (1949-02-01), Duerr, Jr.
patent: 2564230 (1951-08-01), Pitney

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