Brakes – Internal-resistance motion retarder – With means compensating for change in temperature or viscosity
Patent
1987-08-05
1989-06-13
Halvosa, George E. A.
Brakes
Internal-resistance motion retarder
With means compensating for change in temperature or viscosity
1375137, 188286, 188299, 188315, 188318, 18832214, 25112908, 280707, 280714, F16F 952
Patent
active
048383929
ABSTRACT:
The damper assembly has improved valve means that includes at least one annular movable valve member of the voice-coil type. Such valve member is formed at least in part of composite material that increases the strength and stiffness of the member, while reducing its coefficient of thermal expansion and its weight. In a preferred embodiment of the invention, the assembly includes two movable annular valve members which are driven in unison with each other such that when one occupies a flow-permitting position the other occupies a flow-inhibiting position. Check valves utilized in the assembly preferably are of a resilient split-ring type.
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patent: 3321210 (1967-05-01), Delchev
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patent: 4337849 (1982-07-01), Siorek et al.
patent: 4468050 (1984-08-01), Woods et al.
patent: 4468739 (1984-08-01), Woods et al.
patent: 4491207 (1985-01-01), Boonchanta et al.
patent: 4530374 (1985-07-01), Akagi et al.
patent: 4696489 (1987-09-01), Fujishiro et al.
McGuire Dennis P.
Miller Lane R.
Nobles, Jr. Charles M.
Halvosa George E. A.
Lord Corporation
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