Inertia type fluid mount using electrorheological and other flui

Details Inertia type fluid mount using electrorheological and other flui Inertia type fluid mount using electrorheological and other flui

1986-09-05

1988-01-19

Reger, Duane A.

Spring devices

Resilient shock or vibration absorber

Including energy absorbing means or feature

188267, F16F 600

Patent

active

047200871

ABSTRACT:
The mount includes first and second chambers containing water, glycol or similar conventional hydraulic fluid of low viscosity, and at least a third chamber containing electrorheological fluid that is used to "tune" the frequencies at which the mount experiences abrupt reduction of dynamic stiffness. The third chamber is contiguous with one of the first and second chambers, and with one end of an inertia track passageway whose opposite end is contiguous with the other of the first and second chambers. Energization of an electrode-type of valve associated with the third chamber produces a high voltage electrical field and fluid solidification within the third chamber. Pressure pulses are transmitted through the third chamber only when the valve is de-energized. The valve has electrode elements which may be of flat or spiral shape. The mount may include additional valved chambers, and additional passageways which preferably are of differing sizes.

REFERENCES:
patent: 2661596 (1953-12-01), Winslow
patent: 2846028 (1958-08-01), Gunther
patent: 2973969 (1961-03-01), Thall
patent: 3207269 (1965-09-01), Klass
patent: 4262886 (1981-04-01), Salver et al.
patent: 4458888 (1984-07-01), Wolf et al.
patent: 4583723 (1986-04-01), Ozawa

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