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US 12,435,746 B2Granted
Bush retention system
AssigneeHMD Seal/Less Pumps Limited
InventorDavid Clark
Life of this patent
Estimating the term…
Abstract
A bushing system for use in a magnetic drive or canned motor pump, the system comprising: a bush holder having an axial recess for receiving a bush, a bush for insertion into the axial recess, the bush and bush holder each having: one or more cooperating features which abut against each other when the bush is fitted into the recess; and a recess for receiving at least part of a retention member; wherein, when the cooperating features abut, the retention member recesses on the bush holder and the bush are axially offset.
Claims15
A bushing system for use in a magnetic drive or canned motor pump, the system comprising:
- a bush holder having an axial recess for receiving a bush,
- a bush for insertion into the axial recess, the bush and bush holder each having:
- one or more cooperating features which abut against each other when the bush is fitted into the recess;
- and
- a retention member, wherein:
- the bush holder comprises an annular recess for receiving at least part of the retention member;
- the bush comprises an annular recess for receiving at least part of the retention member,
- wherein, when the cooperating features abut, the retention member recesses on the bush holder and the bush are axially offset, wherein the retention member and the axially offset recesses combine to provide a biasing force which urges the bush and bush holder towards each other.
5 more elements
Dependencies are inferred from the claim text.