Pipes and tubular conduits – With pressure compensators – Variable capacity chambers
Patent
1979-05-24
1982-04-13
Stephan, Steven L.
Pipes and tubular conduits
With pressure compensators
Variable capacity chambers
137536, 137568, F16L 5504, F16K 1500
Patent
active
043242766
ABSTRACT:
A noise damping device is proposed for the reduction and smoothing out of compressional vibrations of a conveying medium, especially fuel conveyed by fuel feed pumps, which device serves for diminishing the continuous pressure vibrations by means of suitable damping installations in the fuel circulation. The noise damping device comprises arrangements comprising locations of discontinuity, cross-sectional changes, changes in the flow path as well as including at least one wall section which yields in an elastically resilient manner, whereby a simultaneous dynamic volume change is likewise produced. Such pressure vibration damping devices can be arranged at any desired point in the fuel circulation, preferably in the zone of the pressure connection of the fuel feed pump, and can have the form of barometric bellows, accordion bellows, corrugated hoses, and the like.
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Greigg Edwin E.
Robert & Bosch GmbH
Stephan Steven L.
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