Back to results
US 2003/0147765 A1Published application
Gear Pump
AssigneeCoperion Werner & Pfleiderer GmbH & Co. KG
InventorsEdgar R Schlipf, Peter Heidemeyer, Rainer Herter
Life of this patent
Estimating the term…
Abstract
A gear pump comprises a casing (1) and gear rotors (2, 3) disposed therein. The gear rotors (2, 3) are lodged in bearing sections (15 to 18) of plain bearings (11 to 14) that are lubricated by the pumping medium. They have at least one cooling duct (39) 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 (11 to 14).
Claims15
A gear pump comprising
- a casing (1),
- which has a suction side (24) and a delivery side (25);
- two intermeshing gear rotors (2, 3) which are disposed in the casing (1), and
- which convey a pumping medium from the suction side (24) to the delivery side (25), and
- which have bearing sections (15 to 18) at their ends;
- plain bearings (11 to 14),
- each of which comprises a bearing section (15 to 18), and
- which are lubricated by the pumping medium, and
- which include at least a cooling duct (39);
- characterized in that the at least one cooling duct (39) 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 (11 to 14).
7 more elements
Dependencies are inferred from the claim text.