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US 2014/0348686 A1Published application
Gear pump
AssigneeIvan Polancec
InventorsDan Paval, Ivan Polancec
Life of this patent
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Abstract
A gear pump for pumping a fluid while adjustably controlling a gap between gears and end plates of the gear pump housing. The gear gap is controlled by a gear gap adjustment mechanism operably associated with a gear shaft to move the gear and shaft along a longitudinal axis of the shaft. The gear pump can also include a removable and replaceable friction shield to adjust the gap between the gear and the end plate. The gear pump can further include a dynamic shaft seal assembly for adjusting the sealing about the shaft.
Claims18
A gear pump comprising:
- a pump housing having opposite ends;
- at least one gear disposed within said pump housing, said gear having opposed and outwardly facing first and second ends, said gear being fitted to a shaft;
- and
- at least one gear gap adjustment mechanism operably associated with said shaft, said gear gap adjustment mechanism having a first member attachable to said pump housing, a plug member received in said first member, and a plug shaft coupled to said shaft and cooperatively moveable with said plug member;
- wherein said plug member, said plug shaft and said shaft being moveable along a longitudinal axis of said shaft.
2 more elements
Dependencies are inferred from the claim text.