PUMP ASSEMBLY HAVING TWO PUMPS PROVIDED IN A SINGLE HOUSING
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United States of America Patent
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Issued Date -
Jul 2, 2020
app pub date -
Dec 20, 2019
filing date -
Dec 31, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
A pump assembly that has a first pump and a second pump for pumping lubricant, both pumps being integrated into a single housing. A drive shaft is provided that drives both pumps. Both the first pump and the second pump have a gear or rotor that is rotated by the drive shaft. Each of the pumps have an inlet provided on the housing to receive input from a source outside the housing and an outlet. The housing has a wall that is common to both pumps. The first pump is provided on a first side of the wall and the second pump is provided on the second, opposite side. The gears or rotors of the pumps may be provided in pockets provided on the first and second sides of the wall. The drive shaft extends through the wall and connects to each of the drive gears or rotors.
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