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公开(公告)号：US20210239193A1
公开(公告)日：2021-08-05
申请号：US16779795
申请日：2020-02-03
Applicant: BorgWarner Inc.
Inventor： Alan L. Moster , Hiroyuki Fukuyama , Timothy K. White
Abstract: A chain guide and tensioning apparatus is disclosed that is configured for engagement (contact) with a driven chain (e.g., in an automotive engine). The chain guide and tensioning apparatus includes a guide body and a guide face overlying the guide body. The guide face defines an inner surface and an opposite outer surface that is configured to guide and tension the driven chain. The guide face includes a plurality of spacers that extend therefrom into engagement (contact) with the guide body so as to define at least one channel that is configured to facilitate air and/or lubricant circulation between the guide body and the guide face to reduce heat and friction generated by engagement of the driven chain with the guide face.
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公开(公告)号：US11466755B2
公开(公告)日：2022-10-11
申请号：US16779795
申请日：2020-02-03
Applicant: BorgWarner Inc.
Inventor： Alan L. Moster , Hiroyuki Fukuyama , Timothy K. White
Abstract: A chain guide and tensioning apparatus is disclosed that is configured for engagement (contact) with a driven chain (e.g., in an automotive engine). The chain guide and tensioning apparatus includes a guide body and a guide face overlying the guide body. The guide face defines an inner surface and an opposite outer surface that is configured to guide and tension the driven chain. The guide face includes a plurality of spacers that extend therefrom into engagement (contact) with the guide body so as to define at least one channel that is configured to facilitate air and/or lubricant circulation between the guide body and the guide face to reduce heat and friction generated by engagement of the driven chain with the guide face.
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公开(公告)号：US10570996B2
公开(公告)日：2020-02-25
申请号：US15520978
申请日：2015-10-20
Applicant: BorgWarner Inc.
Inventor： Hiroyuki Fukuyama
Abstract: To simplify a structure and reduce costs. A shoe for a chain guide or for a chain tensioner arm is constructed. Here, a shoe (3) has a chain sliding surface (30) on which a chain slides. A locking protrusion such as a clip, a tab or a hook for locking the shoe (3) to a tensioner arm main body (2) of a chain tensioner arm (1) is not provided on an end surface of the shoe (3) or on a surface on the rear side of the chain sliding surface (30). Furthermore, the shoe (3) has a uniform cross-sectional shape over the whole length and extends linearly in the longitudinal direction.
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