OIL SEAL


Meaning of OIL SEAL in English

or shaft seal

In machines , a device that prevents the passage of fluids along a rotating shaft.

Seals are necessary when a shaft extends from a housing (enclosure) containing oil, such as a pump or a gearbox. Leather, synthetic rubber, and silicones are among the materials used for the sealing ring. See also bearing .

Britannica Concise Encyclopedia.      Краткая энциклопедия Британика.