公开(公告)号：US10076947B2

公开(公告)日：2018-09-18

申请号：US14895153

申请日：2014-05-23

Applicant: NIFCO KOREA INC.

Inventor： Ji Hoon Lee

IPC: B60H1/34

CPC classification number: B60H1/3421 ,  B60H1/3414 ,  B60H2001/3471 ,  B60H2001/3478

Abstract: A dual damper device of a vehicle air vent includes a duct housing having a partition wall for dividing an air path, an introduction part and a discharge part, which are bent to be inclined; a pair of dampers rotationally mounted on the air path in the introduction part; a dial knob rotationally provided to the discharge part; a dial bush having a knob fitting part and an elongated guide groove; a pair of damper bushes vertically coupled to the dampers; and a bush link. The duct housing further includes a dial support member rotationally coupled to the dial knob and damper holding stepped protrusions provided to the partition wall and the introduction part.

公开(公告)号：US11273683B2

公开(公告)日：2022-03-15

申请号：US16623550

申请日：2018-06-22

Applicant: NIFCO KOREA INC.

Inventor： Ji Hoon Lee ,  Kwang Sung Lee

IPC: B60H1/00 ,  B60H1/34

Abstract: A damper dial for a vehicle air vent has a dial body, a first dial bush, a second dial bush, an O-ring, and a dial fixture. A hinge hole is formed to penetrate a center portion of the dial body. A dial is formed on a front surface portion of the dial body. A hinge protrusion protrudes from one side surface of the first dial bush. A support pin extends from a distal end portion of the hinge protrusion. An insertion groove is inwardly formed on one surface of the second dial bush. An annular groove is formed outside the insertion groove. The O-ring installed so that an outer surface of the O-ring makes contact with one side surface of the dial body. An assembling hole is perforated and formed in the dial fixture.