CRANKCASE PAN PLUG Russian patent published in 2024 - IPC F01M11/04 F16N31/00 

FIELD: engines and pumps.

SUBSTANCE: invention can be used in servicing internal combustion engines (ICE). Crankcase pan plug comprises external thread, gate, spring, hose nozzle and hose section. In the upper part of the plug there is a hole with a shutter, from below there is a hole for a hose nozzle. Spring is made with possibility of pressing the shutter to the sealing gasket. On the upper part of the plug there is a stop for the spring. Hose nozzle is designed so that to enable interaction with the gate, and a section of hose is put on the hose nozzle. Hole for the shutter is made conical with a shelf. Shutter is round and flat. Gasket is made of oil and petrol resistant rubber. Spring support is cross-shaped. There is a magnet on the flap on top. Lower hole for hose nozzle is made with internal thread. Hose nozzle is made in the form of a union with an external thread, in the threaded end of which there are cuts (9). When screwed, the union is made with possibility of extension of the shutter into the wider part of the conical hole of the plug. Said shutter can form circular clearance with plug inner walls. Cuts (9) in the threaded end of the union are made with the possibility of passing the drained oil into the hose.

EFFECT: higher safety of ICE servicing and environmental protection.

1 cl, 2 dwg