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ENGINE SUB-SYSTEM ACTUATORS HAVING VARIABLE RATIO DRIVE MECHANISMS

机译：具有可变比率驱动机制的发动机子系统执行器

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摘要

An EGR valve (20) comprises three gear parts (40, 42, 44) that provide a variable ratio drive system through which an electric actuator (34) operates a movable valve element (26). Each of the gear parts (40, 42, 44) is a single unitary part, with one part (42) containing two sets of gear teeth (46, 48) each associating with a set of gear teeth of a respective one of the other two parts. Limit stops (56, 58, 60; 68, 70) are integrally formed in two parts (42, 44).

机译：EGR阀（ 20 ）包括三个齿轮部件（ 40、42、44 ），它们提供了可变比驱动系统，电动执行器（ 34 ）操作可移动阀元件（ 26 ）。每个齿轮零件（ 40、42、44 ）是一个整体零件，其中一个零件（ 42 ）包含两组齿轮齿（ 46， 48 ）分别与其他两个零件中的一个零件的一组齿轮齿相关联。限位挡块（ 56、58、60; 68、70 ）分为两部分（ 42、44 ）一体成型。 展开▼

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公开/公告号US2008105240A1

专利类型

公开/公告日2008-05-08

原文格式PDF

申请/专利权人 THOMAS HANNEWALD;RUSSELL MILES MODIEN;
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申请/专利号US20070774791

发明设计人 RUSSELL MILES MODIEN;THOMAS HANNEWALD;
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申请日2007-07-09

分类号F02B47/08;

国家 US

入库时间 2022-08-21 20:12:38

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