Oil level sensing apparatus

Details Oil level sensing apparatus Oil level sensing apparatus

1977-03-09

1978-05-30

Brown, David H.

Lubrication

Lubricators

Constant level

184105R, F01M 1112

Patent

active

040918955

ABSTRACT:
A standpipe type sensing apparatus for a barometric or gravity induced flow oil level regulator for maintaining oil in an engine crankcase at a desired level has a vent which places an air space in the standpipe in fluid flow communication with a relatively oil free portion of a relatively calm air space above the oil level in the crankcase. The vent assures that the air pressure in the standpipe air space and in the crankcase air space are substantially equal during operation of the engine. A fluid flow damping orifice is provided to retard the rate of fill and drainage of oil from a sensing chamber in the standpipe. The standpipe apparatus is readily installed onto engines without the need to remove the oil pan.

REFERENCES:
patent: 1317961 (1919-10-01), Conwell
patent: 1328843 (1920-01-01), Martin
patent: 1340687 (1920-05-01), Schell
patent: 1705845 (1929-03-01), Woodman
patent: 2081315 (1937-05-01), Weber
patent: 3712420 (1973-01-01), Pelizzoni et al.
patent: 3777852 (1973-12-01), Samolon et al.

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