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US 2014/0109989 A1Published application
Hydraulic valve arrangement
AssigneeRobert Bosch GmbH
InventorsFriedemann Nordt, Carola Diebold, Dieter Lohmiller
Life of this patent
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Abstract
A hydraulic valve arrangement, in particular a control valve arrangement of an axial piston machine, includes at least two valves that have springs supported in each case on a spring seat. The two spring seats are connected to one another with a material-to-material fit in one or more of a non-positive manner and a positively locking manner.
Claims14
A hydraulic valve arrangement, comprising:
- a valve housing defining respective valve bores of at least two valves, each of the valve bores being configured to guide a valve body that is prestressed in one direction via a spring arrangement, the spring arrangement being supported on a spring seat which is in threaded engagement with an element fixed to the housing, the spring seats having end sections configured with a securing mechanism,
- wherein the securing mechanism has a securing element arranged at least in sections in a gap between the spring seats and secures both spring seats with a material-to-material fit in one or more of a non-positive manner and a positively locking manner.
Dependencies are inferred from the claim text.