Mounting Systems for Transverse Front Wheel Drive Powertrains with Decoupled Pitch Damping

A powertrain mounting system with a decoupled hydraulic bushing device as a torque reacting element. An elastic element of the bushing mount vibrates in response to powertrain pitch torque. At high vibration amplitude of the elastic element, high hydraulic damping is provided via a main liquid reser...

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Bibliographische Detailangaben
Hauptverfasser:	KINCHEN DENNIS J, GANNON DANIEL G, JOMAA SAM M, LEE PING
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES INSTRUMENTATION OR DASHBOARDS FOR VEHICLES LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS MOTOR VEHICLES PERFORMING OPERATIONS TRAILERS TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	A powertrain mounting system with a decoupled hydraulic bushing device as a torque reacting element. An elastic element of the bushing mount vibrates in response to powertrain pitch torque. At high vibration amplitude of the elastic element, high hydraulic damping is provided via a main liquid reservoir, bounce inertia track and bellowed secondary liquid reservoir, with a decoupler fluid passage being passively disabled. At low vibration amplitude of the elastic element, minimal hydraulic damping is provided via a decoupler system.