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Cooling system

A cooling system and coolant technology, applied in heating/cooling equipment, power system fuel cells, refrigerators, etc., can solve problems such as performance deterioration of cooling and heat sources

Inactive Publication Date: 2014-04-09
TOYOTA JIDOSHA KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the flow rate of the coolant for cooling the heat-generating source is reduced, it may result in deterioration of the performance for cooling the heat-generating source

Method used

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Embodiment Construction

[0022] Exemplary preferred embodiments of the present invention will be described with reference to the accompanying drawings, in which the same or corresponding parts are denoted by the same reference numerals and description thereof will not be repeated.

[0023] figure 1 is a schematic diagram showing the configuration of the cooling system 1 . Such as figure 1 As shown, the cooling system 1 has a heat exchanger 14 , a cooling unit 30 and a gas-liquid separator 40 . The cooling system 1 also includes a coolant passage 22 interconnected between the heat exchanger 14 and the gas-liquid separator 40, a coolant passage 34 interconnected between the gas-liquid separator 40 and the cooling unit 30, and a coolant passage 34 interconnected between the cooling unit 30. Coolant passage 36 between unit 30 and heat exchanger 14 . The cooling system 1 is constituted by connecting the heat exchanger 14 , the gas-liquid separator 40 and the cooling unit 30 through the coolant passages ...

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Abstract

A cooling system for cooling a heat generation source includes a cooling unit (30) that is configured to cool the heat generation source by a coolant flowing through the cooling unit, a heat exchanger (14) that is configured to perform heat exchange between the coolant and outside air, a liquid storage device (40) that is configured to store the coolant in a liquid state, a first passage (22) for the coolant that connects between the heat exchanger and the liquid storage device, a second passage for the coolant that connects between the liquid storage device and the cooling unit, and that comprises a main passage (34) that connects between the liquid storage device and the cooling unit and a sub passage (74), at least part of which is separate from the main passage, a pump (70) that is provided on the sub passage.

Description

technical field [0001] The present invention relates to a cooling system, in particular a cooling system designed to cool a heat-generating source by circulating a coolant to a cooling unit cooling the heat-generating source. Background technique [0002] Vehicles running on driving force generated by electric motors, such as hybrid vehicles (HV), fuel cell vehicles, and electric vehicles, are attracting attention as countermeasures against environmental problems. Electrical equipment in such vehicles—including motors, generators, inverters, converters, and batteries—generate heat due to the exchange of electricity. Therefore, electrical equipment must be cooled. [0003] A technique for cooling a heat generating body using a vapor compression refrigeration cycle generally used as a vehicle air conditioning system has been proposed. For example, Japanese Patent Application Publication No. 11-23081 (JP11-23081A) describes an apparatus provided with a cooling unit configured...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60K11/02F25B1/00B60H1/32F28D15/02
CPCH01M2220/20Y02T90/32Y02E60/12H01M10/5004H01M10/5016H05K7/2029F25B1/06H01M8/04701H01M8/04067H01M2250/20B60H2001/00307H01M10/5095B60H1/00278Y02E60/50H01M8/04007H01M10/625H01M10/663H01M10/613Y02T90/40Y02E60/10
Inventor 川上芳昭城岛悠树高桥荣三佐藤幸介大野雄一内田和秀
Owner TOYOTA JIDOSHA KK