Method and system of lubricating a plurality of compressed air o

Details Method and system of lubricating a plurality of compressed air o Method and system of lubricating a plurality of compressed air o

1978-05-18

1979-10-02

Brown, David H.

Lubrication

Systems

For chassis lubrication

184 55A, F16N 1322, F16N 2500, F16N 732

Patent

active

041695208

ABSTRACT:
The various air motors of a rock drilling rig are supplied with oil through oil lines which are furnished with predetermined metered oil flows from positive displacement pumps that are operated in synchronism with each other by an air operated oscillator. There is a normally closed shut-off valve in each oil line. The respective shut-off valve is opened when the respective air line is pressurized. When a shut-off valve is closed, the respective metered oil flow escapes through a pressure relief valve.

REFERENCES:
patent: 1591159 (1926-07-01), Davis
patent: 1591160 (1926-07-01), Davis
patent: 1974416 (1934-09-01), Bijur
patent: 3406787 (1968-10-01), Breschinsky
patent: 3516516 (1970-06-01), Bertra et al.
patent: 3516517 (1970-06-01), Kuhlman
patent: 3595341 (1971-07-01), Oglesbee
patent: 3850265 (1974-11-01), Blower et al.
patent: 3905451 (1975-09-01), Williamson

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