Expansible chamber devices – With movement damping means
Patent
1995-04-12
1996-10-29
Ryznic, John E.
Expansible chamber devices
With movement damping means
91499, 92 71, F01B 2900, F01B 300
Patent
active
055687628
ABSTRACT:
A piston for a variable displacement axial piston hydraulic pump has a vibration absorber disposed within a chamber of the piston. The vibration absorber includes a vibration absorber mass suspended between a pair of springs. The vibration absorber offsets the piston inertia created from the oscillatory displacement of the pistons for stabilizing the pump.
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Caterpillar Inc.
Grant John W.
Ryznic John E.
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