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Rocker arm assembly

A technology of rocker arm components and components, applied in the direction of engine components, valve devices, machines/engines, etc.

Pending Publication Date: 2022-06-17
EATON INTELLIGENT POWER LIMITED
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Many rocker arm assemblies exist in the art, but packaging constraints, actuation time, material cost, etc. continue to be driving factors in rocker arm assembly design and development

Method used

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  • Rocker arm assembly
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Examples

Experimental program
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Embodiment Construction

[0016] Reference will now be made in detail to the illustrated examples in the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts.

[0017] The rocker arm assemblies 1 , 2 may include a main rocker arm 100 . The main rocker arm 100 may include a body 101 configured to be rotatable about the rocker arm axis 50, such as through a central hole through the body. The valve end 102 extends from the body 101 . The valve end 102 can be actuated against a valve or valve bridge. An optional valve end capsule assembly 120 can be installed in the valve end and can include any number of variable valve actuation or lash adjustment features, such as castellated capsules, lost motion capsules, hydraulic or mechanical lash adjusters, and others valve actuation assembly. The valve end 102 is configured to act on the valve assembly 20 . In the example, two valves 21 , 22 are shown connected to a valve ...

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PUM

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Abstract

The invention discloses a rocker arm assembly. The rocker arm assembly may include a main rocker arm and a latch assembly. A latch arm may control the latch assembly and thereby control the extent to which the secondary rocker arm acts on the primary rocker arm. The main rocker arm may include a body configured to rotate about a rocker arm axis, a valve end extending from the body, a reaction end extending from the body, and a latch hole. A biasing pin may extend from the body. The latch assembly may be configured to be selectively rotatable in the latch hole. The latch assembly may include a first latch end including a switch plate configured to receive an actuation force on a first side and a biasing force from the biasing pin on a second side. The second latch end may include a first latch bracket and a second latch bracket.

Description

technical field [0001] This patent application provides a rocker arm assembly. The main rocker arm accommodates the latch assembly. Additionally, the latch arm may control the latch assembly, and thus the extent to which the secondary rocker arm acts on the primary rocker arm. Background technique [0002] Variable Valve Actuation (VVA) remains a customer desired configuration. There are many rocker arm assemblies in the art, but packaging constraints, actuation time, material cost, etc. continue to be the driving factors in the design and development of rocker arm assemblies. SUMMARY OF THE INVENTION [0003] The devices, systems, and methods disclosed herein overcome the aforementioned disadvantages and improve upon the prior art with various rocker arm assemblies for variable valve actuation. [0004] The present invention discloses a rocker arm assembly that may include a main rocker arm and a latch assembly. The main rocker arm may include a body configured to rot...

Claims

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Application Information

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IPC IPC(8): F01L1/18F01L13/00F01L13/06F01L1/047F01L1/26F01L1/46
CPCF01L1/181F01L13/06F01L13/0036F01L2001/467F01L2013/10F01L2305/00F01L1/267F01L2013/001F01L2001/0475F01L2001/186F01L1/46
Inventor M·范文格尔登A·T·斯特朗A·L·斯波尔J·R·谢伦B·L·莱姆
Owner EATON INTELLIGENT POWER LIMITED
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