Rocker arm assembly with rotation-locking mechanism
US-2024254899-A1 · Aug 1, 2024 · US
Transmission element for reciprocating piston internal combustion engines
US2016369659A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2016369659-A1 |
| Application number | US-201615140996-A |
| Country | US |
| Kind code | A1 |
| Filing date | Apr 28, 2016 |
| Priority date | Jun 17, 2015 |
| Publication date | Dec 22, 2016 |
| Grant date | — |
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- Title
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- Abstract
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Abstract
Official abstract text for this publication.
A transmission element in the form of a rocker arm (1) or swinging arm for a reciprocating piston internal combustion engine is provided that can be actuated on one side by a cam of a camshaft and on the other side is in active connection with at least one gas exchange valve directly or via an intermediate arrangement of a valve bridge. The transmission element has a hydraulic valve lash compensation element, also called “HVA”, and the hydraulic valve lash compensation element is arranged at a force transmission end of and attached to the transmission element.
First claim
Opening claim text (preview).
1 . A transmission element comprising a rocker arm ( 1 ) or finger lever for a reciprocating piston internal combustion engine that is actuatable on one side by a cam of a camshaft and on the other side is in active connection with at least one gas exchange valve directly or via an intermediate arrangement of a valve bridge, and a hydraulic valve lash compensation element (HVA) arranged at a force transmission end of and attached to the rocker arm ( 1 ) or finger lever. 2 . The transmission element according to claim 1 , wherein the hydraulic valve lash compensation element has a plug-in extension ( 2 ) with a reduced diameter that is attached to the rocker arm or finger lever. 3 . The transmission element according to claim 2 , wherein the plug-in extension ( 2 ) is part of a housing ( 3 ) of the hydraulic valve lash compensation element. 4 . The transmission element according to claim 3 , wherein the plug-in extension ( 2 ) has a hollow construction defining a hollow space ( 5 ) that is connected to a pressurized medium line ( 4 ) in the rocker arm or finger lever. 5 . The transmission element according to claim 4 , wherein the housing ( 3 ) is constructed to receive a standard extrusion pressed part as a working piston ( 6 ). 6 . The transmission element according to claim 5 , wherein a leakage gap for ventilation is provided between the working piston ( 6 ) or another valve piston ( 8 ) installed in the working piston and the housing ( 3 ) of the hydraulic valve lash compensation element.
Assignees
Inventors
Classifications
with means for varying the timing or the lift of the valves · CPC title
- F01L1/2411Primary
by means of a hydraulic adjusting device located between the valve stem and rocker arm · CPC title
Centre pivot rocking arms · CPC title
Rocking arms or levers · CPC title
- F01L1/24Primary
by fluid means, e.g. hydraulically · CPC title
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- What does patent US2016369659A1 cover?
- A transmission element in the form of a rocker arm (1) or swinging arm for a reciprocating piston internal combustion engine is provided that can be actuated on one side by a cam of a camshaft and on the other side is in active connection with at least one gas exchange valve directly or via an intermediate arrangement of a valve bridge. The transmission element has a hydraulic valve lash compen…
- Who is the assignee on this patent?
- Schaeffler Technologies Ag
- What technology area does this patent fall under?
- Primary CPC classification F01L1/2411. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Thu Dec 22 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).