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US 8,801,413 B2Granted
Helical gear pump
AssigneeJATCO Ltd
InventorMasami Matsubara
Life of this patent
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Abstract
A helical gear pump includes a second helical gear provided coaxially with a drive helical gear, a third helical gear engaged with the second helical gear and provided on a third shaft different from a shaft of the drive helical gear and a shaft of a driven helical gear, and a bearing for supporting the third shaft and receiving a thrust force.
Claims5
A helical gear pump in which a drive helical gear and a driven helical gear are provided in a pump body forming a pump chamber, comprising:
- a second helical gear which coaxially rotates with the drive helical gear;
- a third helical gear which is engaged with the second helical gear and provided on a third shaft different from a shaft of the drive helical gear and a shaft of the driven helical gear;
- and
- a bearing which supports the third shaft and receives a thrust force.
1 more element
Dependencies are inferred from the claim text.