Wet sump
Videos
Within piston engines, a wet sump is part of a lubrication system whereby the crankcase sump is used as an integral oil reservoir. An alternative system is the dry sump, whereby oil is pumped from a s
Interior and oil sump of an Tohatsu MFS30B outboard motor
Crankcase
Videos
A crankcase is the housing in a piston engine that surrounds the crankshaft. In most modern engines, the crankcase is integrated into the engine block.
Wet sump
…Within piston engines, a wet sump is part of a lubrication system whereby the crankcase sump is used as an integral oil reservoir. An alternative system is the dry sump, whereby oil is pumped from a shallow sump into an external reservoir…
De Dion-Bouton engine (circa 1905) with a crankcase formed from separate castings of the upper and lower halves
Gardner 0 stationary engine (a plate acts as a safety shield but the crankshaft is not fully enclosed).