Brakes – Internal-resistance motion retarder – Valve structure or location
Patent
1990-06-18
1991-12-10
Oberleitner, Robert J.
Brakes
Internal-resistance motion retarder
Valve structure or location
92 85B, 137808, 137833, F16F 934
Patent
active
050709720
ABSTRACT:
A vortex valving assembly for a hydraulic damper is adaptable for use in both a piston and a cylinder end. A generator plate includes a plurality of upstanding, arcuate vanes for imparting a vortex to passing fluid and directing the fluid to a central opening. A control plate having a plurality of openings is stacked adjacent the generator plate to control the entry and exit of fluid from the control plate during reciprocation of the piston.
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Dourson Stephen E.
Johnston Gary L.
General Motors Corporation
Oberleitner Robert J.
Poon Peter M.
Tucker A. Michael
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