公开(公告)号：US11879517B2

公开(公告)日：2024-01-23

申请号：US17434960

申请日：2020-02-28

Applicant: KYB CORPORATION

Inventor： Sodai Shimauchi ,  Koichiro Awano ,  Masashi Uemura

IPC: F16F9/46 ,  F16F9/10 ,  F16F9/32 ,  F16F9/34 ,  F16F9/44 ,  F16K3/26

CPC classification number: F16F9/103 ,  F16F9/3214 ,  F16F9/3235 ,  F16F9/34 ,  F16F9/446 ,  F16K3/26

Abstract: A shock absorber includes a hard side damping element that imparts a resistance to a flow of liquid moving between an extension side chamber and a compression side chamber, a solenoid valve configured to change an aperture area of a bypass passage that bypasses the hard side damping element and communicates with the extension side chamber and the compression side chamber, a soft side damping element provided in series with the solenoid valve in the bypass passage, and a tank connected to the compression side chamber. The hard side damping element includes an orifice and leaf valves provided in parallel with the orifice. The soft side damping element includes an orifice having a larger aperture area than the orifice.

公开(公告)号：US12173774B2

公开(公告)日：2024-12-24

申请号：US17434650

申请日：2020-02-28

Applicant: KYB CORPORATION

Inventor： Koichiro Awano ,  Takahisa Mochizuki ,  Masashi Uemura

IPC: F16F9/34 ,  F16F9/18 ,  F16F9/44 ,  F16F9/516 ,  B62K25/04 ,  B62K25/08 ,  F16F9/06

Abstract: A shock absorber includes a hard-side damping element for applying resistance to a flow of liquid from a compression side chamber to an extension side chamber, a solenoid valve capable of changing an opening area of a compression side bypass passage for communicating the compression side chamber and the extension side chamber by bypassing the hard-side damping element, and a soft-side damping element provided in the compression side bypass passage in series with the solenoid valve. The hard-side damping element has an orifice and a leaf valve provided in parallel with the orifice. The soft-side damping element has an orifice having an opening area larger than that of the orifice.