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. 15, 2015

Filed:

Jun. 13, 2014
Applicant:

Mando Corporation, Pyeongtaek-si, Gyeonggi-do, KR;

Inventor:

Tae Ju Kim, Yongin-si, KR;

Assignee:

MANDO CORPORATION, Pyeongtaek-Si, Gyeonggi-Do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16F 9/348 (2006.01); F16F 9/512 (2006.01);
U.S. Cl.
CPC ...
F16F 9/512 (2013.01); F16F 9/348 (2013.01); F16F 9/5126 (2013.01);
Abstract

In a high-frequency mode (a small-amplitude mode), a shock absorber opens a guide member to reduce a damping force. In a low-frequency mode (a large-amplitude mode), the shock absorber prevents the guide member from being opened by increasing a pressure of a second pressure chamber formed between a second piston (lower piston) and a pilot valve through a groove (passage) formed in an outer periphery of a piston rod. A main damping force is generated through the second pressure chamber and a disk valve assembly. Therefore, it is possible to provide a round ride comfort having a damping feeling and ensure a steering stability through a linear vehicle control.


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