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:
Jul. 31, 2018

Filed:

Jun. 12, 2015
Applicant:

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

Inventor:

Eun Joong Kim, Yongin-si, KR;

Assignee:

MANDO CORPORATION, Pyeongtaek-si, Gyeonggi-do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16F 9/512 (2006.01); F16F 9/348 (2006.01); F16F 9/46 (2006.01);
U.S. Cl.
CPC ...
F16F 9/3488 (2013.01); F16F 9/465 (2013.01); F16F 9/466 (2013.01);
Abstract

A damping force controlling shock absorber can generate a hard damping force through disk slits during a low speed operation by adding a disk valve to a chamber, can constantly maintain a pressure of a back pressure compartment by opening a disk valve and discharge the pressure of the back pressure compartment to the outside when the pressure of the back pressure compartment is at a predetermined level or more, thereby generating a harder damping force during a low speed operation, and can adjust a disk valve open pressure during a medium/high speed operation so as to prevent the durability of the equipment from being lowered by an excessive increase of a pressure and prevent an abnormal operation from occurring.


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