Variable valve actuator
US-9506382-B2 · Nov 29, 2016 · US
System and method for preventing rotation of valve lifter
US9803516B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9803516-B2 |
| Application number | US-201615060623-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 4, 2016 |
| Priority date | Mar 4, 2016 |
| Publication date | Oct 31, 2017 |
| Grant date | Oct 31, 2017 |
How to read this patent
A practical reading order for non-experts. Skip the full description unless you need deep technical detail.
- Title
What the patent document calls the invention.
- Abstract
A short plain-language summary of the technical disclosure.
- Assignees and inventors
Who owns or filed the patent and who is credited as inventor.
- Key dates
Filing, priority, publication, and grant dates set the timeline.
- First independent claim
The legal scope of protection — read this for what is actually claimed.
- CPC / IPC classifications
Technology tags used to group this patent with similar filings.
- Citations and related patents
Prior art links and similar publications in this corpus.
Abstract
Official abstract text for this publication.
An internal combustion engine having a valve lifter assembly is disclosed. The internal combustion engine comprising an engine head having at least two wells adapted to receive at least one valve lifter, the at least one valve lifter includes a flat surface, at least one spacer installed within the engine head having a first surface, a hollow portion, and a second surface, the first surface is tapered with respect to a vertical axis of the at least one spacer, and a tie-bar plate for coupling the at least one spacer using head bolts. The at least one spacer and the at least one valve lifter are operatively arranged during operation in such a way that the flat surface of the at least one valve lifter faces the first surface of the at least one spacer to prevent rotation of the at least one valve lifter.
First claim
Opening claim text (preview).
What is claimed is: 1. An internal combustion engine having a valve lifter assembly, the internal combustion engine comprising: an engine head having at least two wells, each of the at least two wells are adapted to receive at least one valve lifter, the at least one valve lifter includes a flat surface; at least one spacer installed within the engine head, the at least one spacer having a first surface, a hollow portion, and a second surface, wherein the first surface is tapered with respect to a vertical axis of the at least one spacer; and a tie-bar plate for coupling the at least one spacer using head bolts, when the at least one spacer is installed at a desired position within the engine head; wherein the at least one spacer and the at least one valve lifter are operatively arranged during operation in such a way that the flat surface of the at least one valve lifter faces the first surface of the at least one spacer to prevent rotation of the at least one valve lifter.
Assignees
Inventors
Classifications
Preventing the rotation of tappets · CPC title
Silencing impact; Reducing wear · CPC title
Camshafts in cylinder block · CPC title
Using particular materials · CPC title
Tappets {(hydraulic tappets for automatically adjusting or compensating clearance F01L1/24)}; Push rods · CPC title
Patent family
Related publications grouped by family.
External sources
Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US9803516B2 cover?
- An internal combustion engine having a valve lifter assembly is disclosed. The internal combustion engine comprising an engine head having at least two wells adapted to receive at least one valve lifter, the at least one valve lifter includes a flat surface, at least one spacer installed within the engine head having a first surface, a hollow portion, and a second surface, the first surface is …
- Who is the assignee on this patent?
- Caterpillar Inc
- What technology area does this patent fall under?
- Primary CPC classification F01L1/146. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Oct 31 2017 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). 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).