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US 6,158,997 AGranted
Gear pump
AssigneeFluid Management, Inc.
InventorJohannes Hermanus Nicolaas Post
Life of this patent
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Abstract
A gear pump comprises a housing having an inlet and an outlet. A first and second gear each have gear teeth which are in engagement with each other. The first gear is a rotor gear which is journaled within the housing and is drivable. It includes means for driving the first gear in order to move relative to the second gear, such as to pump a fluid from the inlet to the outlet of the housing. The housing includes inner housing parts encasing the gears and a single piece mold around the inner housing parts enclosing the gear pump.
Claims11
Gear pump comprising:
- a housing defining a gear chamber having an inlet and an outlet,
- at least first and second gears in the chamber, each having gear teeth, said gear teeth of the first gear being in engagement with the gear teeth of the second gear,
- at least the first gear being a rotor gear which is journaled within the housing and is drivable and includes means for driving it in order to move relative to the second gear, to pump a fluid from the inlet to the outlet of the housing,
- wherein the housing includes a single piece molding around the gear pump enclosing the gear pump.
1 more element
Dependencies are inferred from the claim text.