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US 9,347,457 B2Granted
Liquid pump with axial thrust washer
AssigneeRobert Bosch GmbH
InventorsDietmar Ahrens, Christoph Heier, Claudius Muschelknautz
Life of this patent
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Abstract
A liquid pump, in particular a water pump, comprises a pump housing, which has a thrust bearing seat, a bearing bolt and a bearing mounted on the bearing bolt. In this case, a thrust washer is arranged between the thrust bearing seat of the pump housing and the bearing. Furthermore, a flexible washer is arranged between the thrust bearing seat and the thrust washer.
Claims10
A liquid pump (100, 1100), comprising
- a pump housing (110), which has a thrust bearing seat (130),
- a bearing bolt (180) and
- a bearing (190) mounted on the bearing bolt (180),
- wherein a thrust washer (200, 1200) is arranged between the thrust bearing seat (130) of the pump housing (110) and the bearing (190), wherein a flexible washer (300, 1300) is arranged between the thrust bearing seat (130) and the thrust washer (200, 1200), wherein the pump housing (110) has in a region of the thrust bearing seat (130) a rivet pin (150), and wherein the rivet pin (150) fixes the flexible washer (300) and the thrust washer (200) in an axial direction (140).
1 more element
Dependencies are inferred from the claim text.