Control apparatus for electroviscous fluid

Details Control apparatus for electroviscous fluid Control apparatus for electroviscous fluid

1994-01-18

1995-01-03

Chambers, A. Michael

Fluid handling

Flow affected by fluid contact, energy field or coanda effect

Utilizing particular fluid

137827, 92143, 91405, F15C 104

Patent

active

053777212

ABSTRACT:
A control apparatus for an electroviscous fluid has a pair of electrodes between which the electroviscous fluid is disposed and a control device for applying nearly-trapezoidal shaped pulses positive and negative voltages alternately across the electrodes to control viscosity of the electroviscous fluid. The control apparatus changes gradually a voltage value when switching between the positive voltage and the negative voltage.

REFERENCES:
patent: 3548853 (1970-12-01), McEver
patent: 4342334 (1982-08-01), Stangroom
patent: 4532853 (1985-08-01), Stangroom
patent: 4742998 (1988-05-01), Schubert
patent: 4782927 (1988-11-01), Sproston et al.
patent: 4840112 (1989-06-01), Bhadra et al.
patent: 5158109 (1992-10-01), Hare, Jr.
patent: 5267584 (1993-12-01), Smith

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