Hydrostatic axial piston machine with a control port, a cradle supported swashplate and a swashplate actuating piston
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United States of America Patent
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-
Dec 16, 2003
Grant Date -
Aug 8, 2002
app pub date -
Nov 2, 2001
filing date -
Nov 8, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A hydrostatic axial piston machine has a cylinder block with bores holding reciprocating pistons, a swashplate supporting the pistons, and control cams to supply the bores with hydraulic fluid. The swashplate is a pivoting cradle mounted on friction bearings in a cradle receptacle. Hydraulic fluid channels empty into the cradle receptacle and are in communication with supply channels in the cradle connected to the control cams. An actuator piston to adjust the cradle is located between two friction bearing segments of the cradle receptacle and has a toothed rack segment engaging a gearing segment on the back side of the cradle.
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