The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 10, 2013

Filed:

Nov. 20, 2009
Applicants:

Seock Joong Yoon, Seoul, KR;

Kyung MO Kim, Hwaseong-si, KR;

Inventors:

Seock Joong Yoon, Seoul, KR;

Kyung Mo Kim, Hwaseong-si, KR;

Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02D 13/04 (2006.01); F01M 9/10 (2006.01);
U.S. Cl.
CPC ...
Abstract

An engine brake unit may include a rocker arm having a first space defined in a valve-pressing portion thereof, wherein the first space communicates with a supply passage, through which engine brake oil is introduced, a stopper fixedly provided above the first space of the rocker arm in a predetermined distance, an actuator located inside the first space and having a pressure piston, wherein the pressure piston is selectively raised by hydraulic pressure of the engine brake oil to butt against the stopper, thereby pressing a portion of the rocker arm downwards.


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