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System and method for a cooling system of a vehicle engine

A technology of engine cooling and cooling system, which is applied in the direction of engine cooling, engine components, machines/engines, etc., and can solve problems such as increased water pump load

Active Publication Date: 2022-02-25
FORD GLOBAL TECH LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This can lead to a coolant mixture with an undesirably large amount of antifreeze which causes an increased load on the water pump

Method used

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  • System and method for a cooling system of a vehicle engine
  • System and method for a cooling system of a vehicle engine
  • System and method for a cooling system of a vehicle engine

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Embodiment Construction

[0028] The following description relates to systems and methods for a vehicle engine cooling system that can effectively reduce degradation of engine components caused by expansion of aqueous coolant solutions as they freeze, and can allow the use of smaller heat exchangers and / or smaller diameter tubing as well as allowing to reduce the need for coolant pumps. Conventional cooling system in figure 1 shown in , which includes a cooling circuit coupled to a vehicle interior heating circuit. exist figure 2 A first embodiment of a cooling system adapted to contain a tank for containing concentrated antifreeze, such as ethylene glycol, separate from the tank containing the coolant solution is shown in . Amounts of coolant and antifreeze solutions can be mixed to provide the desired concentration of antifreeze, cooling capacity, and freezing point depression of the resulting coolant solution. exist Figure 3-Figure 7 An alternative embodiment of a cooling system adapted with s...

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Abstract

Methods and systems are provided for a cooling system of a vehicle engine. In one example, a cooling system includes a coolant solution circulated through both an engine cooling circuit and a vehicle interior heating circuit fluidly coupled to the engine cooling circuit, and a reservoir containing concentrated antifreeze. Concentrated antifreeze flows from the reservoir to the vehicle interior heating circuit via a shut-off valve to increase the concentration of antifreeze in the coolant solution. In some embodiments, a separation unit may be used to reduce the concentration of antifreeze in the coolant solution.

Description

[0001] Cross References to Related Applications [0002] This application claims priority from German Patent Application No. 102017204824.7 filed on March 22, 2017. The entire contents of the above-cited applications are hereby incorporated by reference in their entirety for all purposes. technical field [0003] This specification generally relates to methods and systems for cooling a vehicle engine. Background technique [0004] The internal combustion engine is effectively cooled by circulating coolant through the cylinder block to extract heat to reduce the temperature of the cylinder block. The coolant is usually an aqueous solution of (mono)ethylene glycol (ethane-1,2-diol), such as antifreeze, forming a mixture with a lowered freezing point relative to pure water. Using a low-freezing-point water-based liquid as a heat dissipation medium prevents burst damage due to expansion of water when it freezes at temperatures below 0°C. After extracting heat from the cylinde...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01P11/00F01P3/20F01P11/02F01P11/20
CPCF01P3/20F01P11/00F01P11/029F01P11/20B01D61/362F01P2005/105F01P2005/125F01P2025/13F01P2025/80F01P7/16F01P2007/146F01P2060/08F01P2003/003B01D61/025
Inventor H·G·奎伊克斯D·范拜伯A·施密特C·赫鲁戴克K-P·海因
Owner FORD GLOBAL TECH LLC