Apparatus for withdrawing the oil from an internal combustion engine
AssigneeRobert K. Bauer
InventorJohann G. H. Bauer
Life of this patent
Estimating the term…
Abstract
Apparatus for withdrawing motor oil from the crankcase of an internal combustion engine comprising a rigid, fluid-tight receptacle, a vacuum line connecting the receptacle to a source of vacuum, a check valve in the vacuum line for preventing backflow of gas therethrough, a portable inlet probe for insertion through the oil dipstick tube into the crankcase of the internal combustion engine, a suction line connecting the inlet probe to said receptacle, a control valve on said suction line for selectively opening and closing the suction line, and sheath forming means projecting into the interior of the receptacle for receiving and storing the inlet probe when not in use.
Claims20
Apparatus for withdrawing a liquid from a container comprising:
- a rigid, fluid-tight receptacle;
- vacuum line means for connecting said receptacle to a source of vacuum;
- check valve means associated with said vacuum line for preventing backflow of gas therethough;
- portable inlet probe means for insertion into said container to take up said liquid;
- suction line means connecting said inlet probe means to said receptacle;
- control valve means associated with said suction line means for selectively opening and closing said suction line means;
- and
- sheath forming means projecting into the interior of said receptacle without destroying the fluid-tightness thereof for receiving and storing said inlet probe means when not in use.
Apparatus according to clam 16, wherein a plurality of sheaths are provided.
Dependencies are inferred from the claim text.