Bushing type vibration insulator

Details Bushing type vibration insulator Bushing type vibration insulator

1986-10-27

1989-08-22

Kashnikow, Andres

Spring devices

Vehicle

Mechanical spring and nonresilient retarder

2671414, 180312, 248636, F16M 700, F16M 1300, B62D 2111

Patent

active

048588997

ABSTRACT:
A bushing type vibration insulator, for example, used as a suspension bushing of an automotive vehicle. The vibration insulator consists of an outer cylindrical member connected to one member of the suspension. The outer cylindrical member is connected through an elastomeric member with an inner cylindrical member which is connected to another member of the suspension. The inner and outer cylindrical members share a common central longitudinal axis. Two fluid chambers are formed between the outer cylindrical member and the elastomeric member and filled with a fluid. The fluid chambers are communicable through a communication passage formed through an actuator fixedly secured directly to the outer cylindrical member. The actuator is constructed and arranged to block fluid flow through the communication passage under a predetermined condition, thereby raising the spring constant of the vibration insulator.

REFERENCES:
patent: 2417096 (1947-03-01), Thiry
patent: 2841354 (1958-07-01), Humble
patent: 4436318 (1984-03-01), Ichikawa et al.
patent: 4588174 (1986-05-01), Konishi
patent: 4600215 (1986-07-01), Kuroki et al.
patent: 4630806 (1986-12-01), Dan et al.
patent: 4650042 (1987-03-01), Knecht et al.
patent: 4700933 (1987-10-01), Chikamori et al.

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