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An ion exchanger

An ion exchanger and ion exchange resin technology, applied in the field of ion exchangers, can solve problems such as metal corrosion, fuel cell performance degradation, and increase in coolant conductivity.

Active Publication Date: 2022-01-14
TOYOTA BOSHOKU KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In such a cooling circuit, an increase in the concentration of ions in the coolant may cause corrosion of metal parts in the cooling circuit or increase the conductivity of the coolant, resulting in a decrease in fuel cell performance

Method used

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Examples

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Embodiment Construction

[0019] will now refer to Figure 1 to Figure 5 An ion exchanger according to an embodiment is described.

[0020] like figure 1 As shown, a vehicle equipped with a fuel cell 1 is provided with a cooling circuit 2 in which a coolant flows to cool the fuel cell 1 . A coolant containing ethylene glycol (long-life coolant) or the like is used. The cooling circuit 2 includes a pump 3 and is configured to drive the pump 3 to circulate the coolant.

[0021] In the cooling circuit 2 , the fuel cell 1 is arranged in a portion on the downstream side of the pump 3 . The cooling circuit 2 includes a radiator 4 in the portion downstream of the fuel cell 1 and upstream of the pump 3 . The fuel cell 1 , whose temperature rises during power generation, is cooled by a coolant circulating through the cooling circuit 2 and passing through the fuel cell 1 . When heated by taking heat from the fuel cell 1 , the coolant is cooled by the outside air while passing through the radiator 4 , and th...

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Abstract

An ion exchanger according to the present invention is provided with: a housing which has an inflow port and an outflow port; a tube member which is provided within the housing; and ion exchange resin which is arranged between the outer surface of the tube member and the inner surface of the housing. The ion exchanger is configured such that some of a coolant flowed into the housing through the inflow port flows directly to the outflow port, while some of the coolant flowed into the housing through the inflow port flows to the outflow port after passing through the ion exchange resin and the tube member. A first flow path and a second flow path are formed within the housing. The first flow path is configured so as to flow a coolant, which has flowed into the housing through the inflow port, directly to the outflow port. The second flow path is configured so as to flow some of the coolant, which has flowed into the housing through the inflow port and has subsequently passed through the ion exchange resin, toward the outflow port. The first flow path and the second flow path are formed so as to join with each other in such a state where the flow paths are directed in the same direction toward the outflow port.

Description

technical field [0001] The present disclosure relates to ion exchangers. Background technique [0002] A vehicle such as an automobile equipped with a fuel cell has a cooling circuit in order to suppress the temperature rise of the fuel cell during power generation. The cooling circuit is configured such that a coolant for cooling the fuel cell flows through the cooling circuit. In such a cooling circuit, an increase in ion concentration in the coolant may lead to corrosion of metal parts in the cooling circuit or increase the conductivity of the coolant, resulting in a decrease in fuel cell performance. Therefore, this cooling circuit includes an ion exchanger to remove ions contained in the coolant by ion exchange using an ion exchange resin. [0003] For example, Patent Document 1 discloses such an ion exchanger. The ion exchanger includes a shell, a tube member and an ion exchange resin. The casing includes an inflow port into which the coolant flows and an outflow p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J47/024B01J47/022C02F1/42H01M8/04
CPCB01J47/024H01M8/04C02F1/42B01J47/022Y02E60/50B01D15/18B01D15/361H01M2250/20H01M8/04044
Inventor 大平纯子吉田知弘矢部慎吾川本峰敬
Owner TOYOTA BOSHOKU KK
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