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US 2014/0165825 A1Published application
Tribo system for a piston unit and hydrostatic radial piston engine equipped therewith
AssigneeRobert Bosch GmbH
InventorsKhaled Tibari, Jan Fischer
Life of this patent
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Abstract
A tribosystem for a piston unit includes the piston unit having a piston and at least one rolling body mounted rotatably in a rolling-body receptacle of the piston. The rolling-body receptacle is substantially comprised of a bearing material having a PEEK/PTFE matrix. A surface of the at least one rolling body is polished.
Claims13
A tribosystem for a piston unit, comprising:
- the piston unit, including:
- a piston having a rolling-body receptacle;
- and
- at least one rolling body mounted rotatably in the rolling-body receptacle,
- wherein a surface of the at least one rolling body is polished.
2 more elements
A hydrostatic radial piston engine, comprising:
- at least one piston unit having a tribosystem, the at least one piston unit including:
- a piston having a rolling-body receptacle;
- and
- at least one rolling body mounted rotatably in the rolling-body receptacle,
- wherein a surface of the at least one rolling body is polished.
2 more elements
Dependencies are inferred from the claim text.