Magnetorheological fluid devices

Details Magnetorheological fluid devices Magnetorheological fluid devices

1994-02-07

1995-03-21

Oberleitner, Robert J.

Spring devices

Resilient shock or vibration absorber

Including energy absorbing means or feature

26714015, 188267, F16F 600

Patent

active

053989171

ABSTRACT:
A sealless magnetorheological fluid device is disclosed in the form of an engine mount which comprises a baffle plate (58) and a solenoid type coil (40) wrapped within a housing (20). The baffle plate diverts the flow of fluid into a more intimate contact with the coil to influence the characteristics of the fluid. The mount also comprises a first chamber (94), an elastomeric element 90 bonded to an attachment collar (88) and housing (20). An elastomeric bladder (95) is bonded to a lower surface of the housing to define a second chamber (96). Orifices (98) in housing (92) operate with coil (40) to define a valve for controlling the flow of the MR fluid.

REFERENCES:
patent: 2940749 (1960-06-01), Kemelhor
patent: 3174587 (1965-03-01), Walton
patent: 4981286 (1991-01-01), Kato et al.
patent: 5052662 (1991-10-01), Doi
patent: 5180145 (1993-01-01), Watanabe et al.

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