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US 5,178,520 AGranted
Double centrifugal pump with single casing and adapter insert
AssigneeWilo-Werk GmbH & Co. Pumpen- und Apparatebau
InventorGunter Strelow
Life of this patent
Estimating the term…
Abstract
A centrifugal or rotary double pump has a singular circular casing surmounting two motors driving individual rotors within the casing. Above a flat side of the casing is attachable to the device serviced by the double pump and receives an insert defining the inlet and outlet apertures and within the housing, defining two pump units each in conjunction with the respective rotor.
Claims6
A double centrifugal pump, comprising:
- two electric motors disposed in parallel beside one another;
- a single pump casing attached to said motors and formed with:
- a flat side wall opposite said motors and provided with a large opening, and
- means on the casing for securing said casing to a device serviced by said pump at said flat side wall,
- two pump rotors in said single casing, each connected to one of said motors;
- an insert received in and closing said opening and subdividing said casing into two individual pump units each receiving one of said rotors, said insert being formed with inlet and outlet apertures for said units;
- and
- at least one valve member received in said insert.
5 more elements
Dependencies are inferred from the claim text.