Electric pump

a technology of electric pumps and electric motors, applied in the direction of piston pumps, positive displacement liquid engines, liquid fuel engines, etc., can solve the problems of risk of significant deterioration in heat discharging performance and adverse effects of various electronic components mounted, and achieve the effect of reducing the number of components and reducing the weight of electric pumps
US20130195696A1Inactive Publication Date: 2013-08-01AISIN SEIKI KK
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Applications(United States)
Current Assignee / Owner
AISIN SEIKI KK
Publication Date
2013-08-01
Estimated Expiration
Not applicable · inactive patent

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Abstract

To provide an electric pump that does not easily suffer malfunction of its driver due to vibration and whose components can be reduced in number, an electric pump includes a pump unit, a motor unit for driving the pump unit, and a driver chamber having a driver for controlling the pump unit. At least a space inside the driver chamber on one side of a substrate of the driver is filled with an amount of potting material for anchoring the substrate, whereas a space inside the driver chamber on the other side of the substrate is left as an unfilled space free from filling with potting material along the face direction of the substrate.
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Description

TECHNICAL FIELD

[0001] The present invention relates to an electric pump including a pump unit, a motor unit for driving the pump unit and a driver chamber having a driver for controlling the pump unit.BACKGROUND ART

[0002] An example of the electric pump described above is known from Patent Document 1 for instance. With this electric pump, in order to promote heat discharge from the driver, a sheet-like heat discharging material is interposed between the driver and a cover of the driver chamber. With provision of this heat discharging material, heat of the driver is positively conducted via the heat discharging material to the cover to be air-cooled via this cover. As a result, heat discharge of the driver can be effected in an efficient manner.PRIOR ART DOCUMENTPatent Document

[0003] Patent Document: Japanese Unexamined Patent Application Publication No. 2005-337095DISCLOSURE OF THE INVENTIONObject to be Achieved by Invention

[0004] The driver substrate of this electric pump is fixed with...

Claims

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