Oil supply control device of engine
US-2018258802-A1 · Sep 13, 2018 · US
Oil control valve and variable valve lift system provided with the same
US9115652B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9115652-B2 |
| Application number | US-201113312745-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 6, 2011 |
| Priority date | May 16, 2011 |
| Publication date | Aug 25, 2015 |
| Grant date | Aug 25, 2015 |
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- Title
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Abstract
Official abstract text for this publication.
An oil control valve includes a housing having a control port and a drain port, a first seat with a first penetration hole forming a first chamber, a second seat with a second penetration hole forming a second chamber communicated with the control port, the second seat with the housing forming a third chamber communicating with the drain port, a first check valve within the first chamber selectively closing the first penetration hole, a second check valve within the third chamber selectively closing the second penetration hole, and a third penetration hole, a control portion selectively opening the first check valve and simultaneously closing the second check valve or selectively closing the first check valve and simultaneously opening the second check valve and an orifice connecting the first chamber with the second chamber.
First claim
Opening claim text (preview).
What is claimed is: 1. A variable valve lift system comprising: a housing including a control port and a drain port; a first seat disposed within the housing including a first penetration hole and forming a first chamber with the housing; a second seat disposed within the housing including a second penetration hole and forming a second chamber with the housing that fluidly communicates with the control port, the second seat also forming a third chamber with the housing communi…
Assignees
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Classifications
Mechanical Engineering · mapped topic
- F02D13/0253Primary
Mechanical Engineering · mapped topic
Mechanical Engineering · mapped topic
Cross-Sectional Technologies · mapped topic
Cross-Sectional Technologies · mapped topic
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Frequently asked questions
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- What does patent US9115652B2 cover?
- An oil control valve includes a housing having a control port and a drain port, a first seat with a first penetration hole forming a first chamber, a second seat with a second penetration hole forming a second chamber communicated with the control port, the second seat with the housing forming a third chamber communicating with the drain port, a first check valve within the first chamber select…
- Who is the assignee on this patent?
- Choi Byong Young, Kwak Young Hong, Shin Gee Wook, and 5 more
- What technology area does this patent fall under?
- Primary CPC classification F02D13/0253. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Aug 25 2015 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).