Pump stage assembly, external gear pump, use of a pump stage assembly and vehicle transmission

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11867281
APP PUB NO 20220356941A1
SERIAL NO

17620270

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A pump stage assembly including at least two pump suction stages and at least one pump pressure stage. The pump suction stages and the pump pressure stage are arranged spaced apart from one another in a pump housing PG and have a common drive shaft. The pump suction stages are formed by a first assembly of intermeshing external gearwheels that lie in a first plane, and the pump pressure stage is formed by a second assembly of intermeshing external gearwheels that lie in a second plane. A first delivery volume flow can be drawn in from a first region of a dry sump by a first pump suction stage, and a second delivery volume flow can be drawn in from a second region of the dry sump by a second pump suction stage. The two delivery volume flows intermix in the pump housing before they reach an oil tank.

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Patent Owner(s)

Patent OwnerAddress
VITESCO TECHNOLOGIES GMBH93055 REGENSBURG

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Böhm, Christian Munich, DE 12 22

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