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US 6,325,604 B1Granted
Plastic gear pump housing
OwnerBenjamin R. Duinventor
Life of this patent
Estimating the term…
Abstract
A gear pump comprising a plastic gear pump housing having an interior surface. Rotatably attached to the gear pump housing is a drive gear and an idler gear. The idler gear is cooperatively engaged to the drive gear such that rotation of the drive gear will rotate the idler gear. The gear pump housing is formed from plastic such that the interior surface thereof is sized to contact the drive gear and the idler gear. Accordingly, the contact between the idler gear and the drive gear with the interior of the plastic gear pump housing forms a seal therebetween which is used for the pumping of fluid by the gear pump.
Claims10
A gear pump comprising:
- a plastic gear pump housing having an interior surface and at least one exteriorly extending, releasably engageable connector for connecting the pump housing with a motor powering the pump;
- a drive gear rotatably attachable to the plastic gear pump housing;
- and
- an idler gear rotatably attachable to the plastic gear pump housing and cooperatively engageable to the drive gear;
- wherein the interior surface of the plastic gear pump housing is sized to contact the drive gear and the idler gear in a manner providing a seal therebetween.
2 more elements
Dependencies are inferred from the claim text.