Mechanical coolant pump

A coolant pump, mechanical technology, used in engine cooling, coolant flow control, mechanical equipment, etc., can solve problems such as pivot seals stuck, achieve low sliding friction, and improve energy efficiency.
CN102022174BInactive Publication Date: 2015-06-03PIERBURG PUMP TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
PIERBURG PUMP TECH
Publication Date
2015-06-03
Estimated Expiration
Not applicable · inactive patent

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Abstract

The present invention refers to a mechanical coolant pump 10 for an internal combustion engine. The mechanical coolant pump 10 for an internal combustion engine comprises an impeller 18 for pumping the coolant into an outlet channel 16 which comprises an outlet valve 20. The outlet valve 20 comprises a shiftable flat valve plate 22 which is shiftable in a transversal plane of the outlet channel 16 through a passing slit 24 in the outlet channel wall 26.
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Description

technical field

[0001] The invention relates to a mechanical coolant pump for an internal combustion engine with an impeller for pumping coolant into an outlet channel, wherein the outlet channel includes an outlet valve. Background technique

[0002] A mechanical coolant pump is a coolant pump driven by a combustion engine, for example by using a drive belt to drive the drive wheels of the pump. As long as the combustion engine is cool, only minimal coolant flow is required. Therefore, a mechanical coolant pump provided with an outlet valve for controlling the coolant circulation flow is used. As long as the combustion engine is cool, the outlet valve is closed, minimizing circulation of the lubricant, thereby reducing the combustion engine warm-up time.

[0003] Typically, the outlet valve takes the form of a pivoting flap whereby the pivoting flap is located in the lubricant outlet passage. The pivotal cover can be controlled to rotate the cover to an open or closed po...

Claims

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