Hybrid electromechanical coolant pump with base flow and peak flow

a technology of electromechanical and cooling pump, which is applied in the direction of pump, positive displacement liquid engine, machine/engine, etc., can solve the problems of complex design of mechanical construction and inconsistencies in operation, and achieve the effect of improving the warm-up behavior of the engin
US20150037177A1Inactive Publication Date: 2015-02-05BORGWARNER INC
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Applications(United States)
Current Assignee / Owner
BORGWARNER INC
Publication Date
2015-02-05
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a coolant pump having an impeller which is arranged on a pump impeller shaft and having a drive device for the impeller, which drive device has a mechanical drive and an electric-motor drive. The impeller shaft is divided into a driving section and a driven section, and an openable and closable clutch is arranged between the driving section and the driven section.
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Description

CROSS-REFERENCE TO RELATED APPLICATIONS

[0001] This is a continuation-in-part of U.S. patent application Ser. No. 12 / 937,746, filed on Feb. 6, 2011, and entitled “Coolant Pump.”TECHNICAL FIELD

[0002] The present invention relates to coolant pumps which have both a mechanical mode of operation and an electric mode of operation.BACKGROUND OF THE INVENTION

[0003] A coolant pump is known from DE 102 14 637 A1. To be able to realize different driving operation states of a vehicle with such a coolant pump, which has both an electric-motor drive and also a mechanical drive, a planetary drive is provided which can be driven by the electric motor and / or by the mechanical drive. However, such a design is complex with regard to its mechanical construction and is susceptible to operation inconsistencies.

[0004] It is therefore an object of the present invention to create a coolant pump with a simpler and more reliable design in relation to the prior art and whose operation is efficient and fail-safe.SU...

Claims

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