Stabilizing device for variable displacement axial piston pumps

Expansible chamber devices – With movement damping means

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Details

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.

REFERENCES:
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patent: 1487965 (1924-03-01), Michell
patent: 1857750 (1932-05-01), Wilbur
patent: 2980077 (1961-04-01), Magill
patent: 3648570 (1972-03-01), Koch
patent: 4090478 (1978-05-01), Trimble et al.
patent: 5007332 (1991-04-01), Wagenseil
patent: 5320203 (1994-06-01), Wilber et al.

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