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Engine circulation water system and air bubble removal method

A technology of circulating water circuit and bubble removal, applied in engine components, engine cooling, machine/engine, etc., can solve the problems of slow heating of engine cooling system and inability to block

Active Publication Date: 2022-04-26
WEICHAI POWER CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to at least solve the problem that the exhaust pipe in the prior art is always connected and cannot be blocked, which causes the problem of slow temperature rise of the engine cooling system

Method used

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  • Engine circulation water system and air bubble removal method
  • Engine circulation water system and air bubble removal method

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Embodiment Construction

[0046] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0047] It should be understood that the terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may also be meant to include the plural forms unless the context clearly dictates otherwise. The terms "comprising", "comprising", "containing" and "having" are inclusive and thus indicate the presence of stated...

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Abstract

The invention belongs to the technical field of vehicles, and in particular relates to an engine circulating water system and a method for removing air bubbles. The control method includes judging the running state of the engine; detecting whether there are air bubbles in the exhaust pipe of the engine according to whether the engine is in a working state; If there are no air bubbles in the pipe, the engine is controlled to enter the internal circulation mode; according to the existence of air bubbles in the exhaust pipe, the engine is controlled to enter the exhaust mode. According to the method for removing air bubbles in the engine circulating water system of the present invention, by adding the control logic of real-time air bubble monitoring, it is possible to effectively monitor whether there are air bubbles in the coolant in real time and automatically enter the exhaust mode or enter the internal circulation mode. Controlling the coolant discharged from the exhaust pipe of the engine can enter different circulation modes to reduce heat dissipation, which is beneficial to the temperature rise of engine coolant problems in low temperature seasons.

Description

technical field [0001] The invention belongs to the technical field of vehicles, and in particular relates to an engine circulation waterway system and a method for removing air bubbles. Background technique [0002] This section provides background information related to the present disclosure only and is not necessarily prior art. [0003] During the normal operation of the engine, the exhaust pipe of the engine cooling system will continue to circulate the coolant, and the coolant will flow to the expansion tank through the exhaust pipe to ensure that the air bubbles generated during the operation of the engine cooling system pipeline can be discharged to avoid damage caused by air bubbles. Accumulation of local high temperature caused by poor water circulation will cause engine failure caused by high temperature. [0004] In the prior art, the local high temperature of the waterway is avoided by timing the exhaust, but it will cause the problem of engine failure before ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01P11/02F01P11/14F01P11/16
CPCF01P11/0285F01P11/14F01P11/16
Inventor 范明德张铖
Owner WEICHAI POWER CO LTD