ダンパ - East Japan Railway Company

Title:

ダンパ

Document Type and Number:

Japanese Patent JP7022951

Kind Code:

B2

Abstract:

To provide a damper which can generate low damping force and high damping force without impairing mountability.SOLUTION: A damper D of the invention includes: an extension side high damping valve 6 which provides resistance to flow of a liquid flowing from a rod side chamber R1 to a piston side chamber R2; a pressure side high damping valve 8 which provides resistance to flow of a liquid flowing from the piston side chamber R2 to the tank 4; a pressure side suction valve 10 which allows only flow of a liquid flowing from the tank 4 to the piston side chamber R2; an extension side low damping valve 12 which provides resistance to flow of a liquid flowing from the rod side chamber R1 to the tank 4; a pressure side low damping valve 14 which provides resistance to the flow of the liquid flowing from the piston side chamber R2 to the tank 4; a switch valve element 15 which opens or closes a second extension side passage 11 and a second pressure side passage 13; and a valve element 17 and a check valve 18 provided in parallel to an adjustment passage 16 allowing communication between the rod side chamber R1 and the piston side chamber R2.SELECTED DRAWING: Figure 1

Inventors:

Daisuke Ishii
Ken Iwanami
Shuji Kobayashi
Kajiya Yasushi
Takeshi Miyamoto
Suzuki Mitsugu
Kohei Iida
Takayuki Totake
Daitomo Nakajima

Application Number:

JP2018036686A

Publication Date:

February 21, 2022

Filing Date:

March 01, 2018

Export Citation:

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