High damping low force hydraulic strut tensioner

A tensioner device, includes a housing defining a cylindrical bore. A plunger is disposed in the bore and has a non-cylindrical outer surface. A spring is engaged with the plunger for biasing the plunger in an outward direction and an oil passage is in communication with the cylindrical bore for del...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Staley Eric D, Staley David R, McAlpine Robert S
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A tensioner device, includes a housing defining a cylindrical bore. A plunger is disposed in the bore and has a non-cylindrical outer surface. A spring is engaged with the plunger for biasing the plunger in an outward direction and an oil passage is in communication with the cylindrical bore for delivering pressurized oil to the bore. The non-cylindrical outer surface provides hydraulic clearance areas between the plunger and the bore to provide improved damping without high damping force.