Engine support

Details Engine support Engine support

F - Mech Eng,Light,Heat,Weapons

16

F

267/65

F16F 5/00 (2006.01) B60K 5/12 (2006.01) F16F 9/34 (2006.01) F16F 13/18 (2006.01) F16F 13/24 (2006.01)

Patent

CA 2011120

A hydraulically dampened engine support includes two working chambers which are, each at least partly defined by an elastic body, filled with a hydraulic liquid and communicate through a damping passage. At least one of these working chambers further communicates with a compensation chamber through a compensation passage. The compensation chamber is, at least partly, defined by a flexible, substantially non-elastic wall providing a pressure-free uptake of liquid. The compensation passage has a substantially higher flow-through resistance than the damping passage. Such an engine support provides a good damping of vibrations due to road unevenness and a good insulation of acoustically prominent high frequency vibrations transmitted by the engine, even when employed in enclosed, sound proof engine compartments of motor vehicles. The pressure of the liquid in the working chambers is held substantially constant which provides for an extended service life of the engine support.

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