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公开(公告)号：US09546597B2
公开(公告)日：2017-01-17
申请号：US14490712
申请日：2014-09-19
发明人： Julie Swartz , Robert Bielas , Louis P. Begin , Roman Mudel
CPC分类号： F02C7/06 , F01D17/105 , F02B37/183 , F02B37/186 , F02C6/12 , F05D2220/40 , F05D2240/54 , F05D2260/57 , F05D2300/30 , F05D2300/516 , Y02T10/144
摘要： A turbocharger for an internal combustion engine includes a rotating assembly having a turbine wheel disposed inside a turbine housing and a compressor wheel disposed inside a compressor cover. The turbocharger also includes a waste-gate assembly configured to selectively redirect at least a portion of the engine's post-combustion gases away from the turbine wheel. The waste-gate assembly includes a valve, a rotatable shaft connected to the valve, and a bushing fixed relative to the turbine housing and disposed concentrically around the shaft such that the shaft rotates inside the bushing for opening and closing the valve. The bushing is defined by a length, an outer surface in contact with the turbine housing, and an inner surface in contact with the shaft. The inner surface includes a plurality of longitudinal grooves configured to counteract friction between the bushing and the shaft and avoid seizure of the shaft relative to the bushing.
摘要翻译： 用于内燃机的涡轮增压器包括旋转组件，其具有设置在涡轮壳体内的涡轮机叶轮和设置在压缩机盖内的压缩机叶轮。 涡轮增压器还包括废门组件，其被配置为选择性地使发动机的后燃烧气体的至少一部分远离涡轮机轮。 废门组件包括阀，连接到阀的可旋转轴和相对于涡轮机壳体固定并且围绕轴同心设置的衬套，使得轴在衬套内旋转以打开和关闭阀。 衬套由长度，与涡轮壳体接触的外表面以及与轴接触的内表面限定。 内表面包括多个纵向凹槽，其构造成抵消衬套和轴之间的摩擦，并避免相对于衬套卡住。
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公开(公告)号：US10156183B2
公开(公告)日：2018-12-18
申请号：US15365822
申请日：2016-11-30
发明人： Jessica Krajenke , Brian Edwards , Roman Mudel
摘要： Provided herein are anti-rattle devices, and turbocharger wastegate assemblies including the same. The anti-rattle devices can include an elongated body having a first end and a second end, a first bend, wherein the first bend and the first end define a first section of the body, a second bend, wherein the first bend and the second bend define a second section of the body, and the second bend and the second end define a third section of the body, a first cavity defined by the first section, the first bend, and the second section, a second cavity defined by the second section, the second bend, and the third section, a first aperture positioned in the first section of the body; and a second aperture extending between the second section and the third section. The anti-rattle devices can mate with a turbocharger wastegate assembly and provide anti-rattling benefits.
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公开(公告)号：US20180149076A1
公开(公告)日：2018-05-31
申请号：US15365822
申请日：2016-11-30
发明人： Jessica Krajenke , Brian Edwards , Roman Mudel
CPC分类号： F02B37/186 , F01D17/105 , F01D25/04 , F01D25/24 , F02B37/00 , F05D2220/40 , F05D2260/50 , Y02T10/144
摘要： Provided herein are anti-rattle devices, and turbocharger wastegate assemblies including the same. The anti-rattle devices can include an elongated body having a first end and a second end, a first bend, wherein the first bend and the first end define a first section of the body, a second bend, wherein the first bend and the second bend define a second section of the body, and the second bend and the second end define a third section of the body, a first cavity defined by the first section, the first bend, and the second section, a second cavity defined by the second section, the second bend, and the third section, a first aperture positioned in the first section of the body; and a second aperture extending between the second section and the third section. The anti-rattle devices can mate with a turbocharger wastegate assembly and provide anti-rattling benefits.
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公开(公告)号：US20160084163A1
公开(公告)日：2016-03-24
申请号：US14490712
申请日：2014-09-19
发明人： Julie Swartz , Robert Bielas , Louis P. Begin , Roman Mudel
CPC分类号： F02C7/06 , F01D17/105 , F02B37/183 , F02B37/186 , F02C6/12 , F05D2220/40 , F05D2240/54 , F05D2260/57 , F05D2300/30 , F05D2300/516 , Y02T10/144
摘要： A turbocharger for an internal combustion engine includes a rotating assembly having a turbine wheel disposed inside a turbine housing and a compressor wheel disposed inside a compressor cover. The turbocharger also includes a waste-gate assembly configured to selectively redirect at least a portion of the engine's post-combustion gases away from the turbine wheel. The waste-gate assembly includes a valve, a rotatable shaft connected to the valve, and a bushing fixed relative to the turbine housing and disposed concentrically around the shaft such that the shaft rotates inside the bushing for opening and closing the valve. The bushing is defined by a length, an outer surface in contact with the turbine housing, and an inner surface in contact with the shaft. The inner surface includes a plurality of longitudinal grooves configured to counteract friction between the bushing and the shaft and avoid seizure of the shaft relative to the bushing.
摘要翻译： 用于内燃机的涡轮增压器包括旋转组件，其具有设置在涡轮壳体内的涡轮机叶轮和设置在压缩机盖内的压缩机叶轮。 涡轮增压器还包括废门组件，其被配置为选择性地使发动机的后燃烧气体的至少一部分远离涡轮机轮。 废门组件包括阀，连接到阀的可旋转轴和相对于涡轮机壳体固定并且围绕轴同心设置的衬套，使得轴在衬套内旋转以打开和关闭阀。 衬套由长度，与涡轮壳体接触的外表面以及与轴接触的内表面限定。 内表面包括多个纵向凹槽，其构造成抵消衬套和轴之间的摩擦，并避免相对于衬套卡住。
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