Patent ID: 8529425

Claim:
A horizontal centrifugal separator comprising: a rotary bowl including a rotary shaft; a screw conveyor inserted into the rotary bowl; a casing having an opening, and containing the rotary bowl and the screw conveyor; a ring member having a sealing surface; and a bearing device supporting the rotary shaft of the rotary bowl, the rotary shaft extending through the opening of the casing, wherein the casing comprises an upper casing having a first semicircular notch and a lower casing having a second semicircular notch, and the first semicircular notch and the second semicircular notch form the opening, wherein the horizontal centrifugal separator further comprises a sealing device hermetically sealing the casing, the sealing device including a groove along a joint surface between the upper casing and the lower casing, the groove being outwardly bent near an opening thereof, and an elastic sealing member disposed in the groove such that an end of the elastic sealing member abuts against the sealing surface on the ring member, the ring member being disposed so as to surround an outer circumference of the opening of the casing and being arranged so as to be pressed against the casing.