Gear pump having bearings with cooling ducts
US6761546B2 · kind B2 · utility
6Cited by
3References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 9, 2002 |
| Grant date | Jul 13, 2004 |
| Priority date | — |
| Expiry date | Dec 9, 2022 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C37/00
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A gear pump comprises a casing and gear rotors disposed therein. The gear rotors are lodged in bearing sections of plain bearings that are lubricated by the pumping medium. They have at least one cooling duct which is embodied such that cooling varies along the circumference and/or in the longitudinal direction and/or in the radial direction of the plain bearing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.