ADJUSTABLE RING SHIM FOR TRACTION DRIVE

    公开(公告)号:US20220307409A1

    公开(公告)日:2022-09-29

    申请号:US17675738

    申请日:2022-02-18

    Abstract: Disclosed is an adjustable ring shim for a planetary traction drive designed for a driven turbocharger on an engine. The adjustable ring shim has two parts that interface through a ramp feature to provide an ability to vary the overall width of the ring roller assembly of the planetary traction drive. This adjustability in the width of the ring roller allows for setting a desired preload force on the traction surfaces of the traction drive during assembly, even with variation in manufacturing of the different parts of the traction drive.

    TURBINE BYPASS FOR ENGINE WITH DRIVEN TURBOCHARGER

    公开(公告)号:US20190136754A1

    公开(公告)日:2019-05-09

    申请号:US16109581

    申请日:2018-08-22

    Abstract: Disclosed is a turbine bypass for an engine with a driven turbocharger. During engine cold start, or periods of idle or low load engine operation, the bypass can be utilized to direct hot exhaust gasses directly to an exhaust aftertreatment. This provides higher temperatures to the exhaust aftertreatment, increasing the ability to eliminate harmful emissions such as NOx. The driven turbocharger can still provide boost to the engine through supercharging, so that engine torque and power can be maintained while the turbine bypass is in operation.

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