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Engine valve lifter having Anti-rotation plug

An engine, anti-rotation technology, applied in the direction of engine components, machines/engines, mechanical equipment, etc.

Active Publication Date: 2018-11-23
EATON INTELLIGENT POWER LIMITED
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Body defines opening

Method used

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  • Engine valve lifter having Anti-rotation plug
  • Engine valve lifter having Anti-rotation plug
  • Engine valve lifter having Anti-rotation plug

Examples

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Embodiment Construction

[0024] first reference figure 1 and 2 , shows a roller lifter constructed in accordance with one example of the present disclosure and is generally identified by the reference numeral 10 . The roller tappet 10 is shown as part of a V-shaped arrangement. It should be appreciated that although the roller lifters 10 are shown in a V-shaped arrangement, the roller lifters 10 may be used in other arrangements within the scope of the present disclosure. In this regard, the features described herein associated with the roller lifter 10 may be suitable for a wide variety of applications. The cam lobe 12 indirectly drives the first end of the rocker arm 14 using a push rod 16 . It should be appreciated that in some configurations, such as a top cam, the roller tappet 10 may be a direct link between the cam lobe 12 and the rocker arm 14 . The second end of the rocker arm 14 actuates the valve 20 . As the cam lobe 12 rotates, the rocker arm 14 pivots about a fixed axis 22 . The ro...

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Abstract

An engine roller lifter for use in a valvetrain of an internal combustion engine includes a body, a roller and an anti-rotation plug. The body includes an outer peripheral surface configured for sliding movement in a bore provided in the engine. The bore is supplied oil by an oil passage communicating therewith. The body defines an opening. The roller bearing is rotatably mounted to the body and is configured for rolling contact with an engine camshaft. The anti-rotation plug is received at the opening and has a plug body including an anti-rotation protrusion that extends radially beyond an outer peripheral surface of the plug body. The anti-rotation plug can be staked into the opening of the body.

Description

[0001] Cross References to Related Applications [0002] This application claims U.S. Provisional Application Nos. 62 / 297,545, filed February 19, 2016, U.S. Provisional Application Nos. 62 / 298,233, filed February 22, 2016, 62 / 304,686, filed March 7, 2016 U.S. Provisional Application, U.S. Provisional Application No. 62 / 306,342, filed March 10, 2016, U.S. Provisional Application No. 62 / 336,625, filed May 14, 2016, 62 / 405,020, filed October 6, 2016 U.S. Provisional Application No. 62 / 459,787, filed February 16, 2017. The entire disclosure of the above application is hereby incorporated by reference. technical field [0003] The present disclosure generally relates to a hydraulic lash adjuster lifter of the type having a roller follower for contacting a camshaft in an internal combustion engine valve train. Background technique [0004] Roller lifters may be used in engine valve trains to reduce friction and thus achieve increased fuel economy. Among other advantages, rolle...

Claims

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Application Information

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IPC IPC(8): F01L1/245F01L1/18F01L1/14
CPCF01L1/146F01L1/181F01L2001/2427F01L2305/00F01L2307/00
Inventor 莱顿·罗伯茨凯文·马特森道格拉斯·莱特小詹姆斯·E·麦卡锡马修·文斯奥托·舒莱特斯
Owner EATON INTELLIGENT POWER LIMITED
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