Scroll compressor provided with an orbital disc lubrication system

    公开(公告)号:US11319956B2

    公开(公告)日:2022-05-03

    申请号:US16911565

    申请日:2020-06-25

    Abstract: The scroll compressor includes a fixed scroll; an orbiting scroll (8); a drive shaft (16); a support arrangement (5) on which is slidably mounted the orbiting scroll (8); a rotation preventing device configured to prevent rotation of the orbiting scroll (8) with respect to the fixed scroll, the rotation preventing device including orbital discs (28) respectively arranged in circular receiving holes (29) provided on the support arrangement (5), each orbital disc (28) being provided with an outer circumferential bearing surface (31) configured to cooperate with an inner circumferential bearing surface (32) provided on the respective circular receiving hole (29); and a lubrication system configured to lubricate the inner and outer circumferential bearing surfaces (32, 31) with oil supplied from an oil sump, the lubrication system including an oil reservoir (38) in which part of the oil supplied to the lubrication system is collected during operation of the scroll compressor, and a plurality of lubrication passages (41) provided on the support arrangement (5), each lubrication passage (41) including an oil outlet aperture (41.2) emerging in a bottom surface of a respective circular receiving hole (29) and an oil inlet aperture (41.1) emerging in the receiving chamber (27).

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