Organic Rankine Cycle Cooling System
JP7863484B2Active Publication Date: 2026-05-21HONDA MOTOR CO LTD
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Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Patents
- Current Assignee / Owner
- HONDA MOTOR CO LTD
- Filing Date
- 2022-09-21
- Publication Date
- 2026-05-21
AI Technical Summary
Technical Problem
Existing organic Rankine cycle systems require external heat supply to drive the Stirling engine, limiting thermal efficiency improvements.
Method used
An organic Rankine cycle cooling system that integrates an external combustion engine, utilizing refrigerant heat as a heat source to drive the Stirling engine without external heat supply, and converts thermal energy into electrical energy to charge batteries.
Benefits of technology
Enhances energy efficiency by utilizing refrigerant heat to drive the Stirling engine and convert thermal energy into electrical energy, eliminating the need for external heating and power sources.
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Smart Images
Figure 0007863484000001
Abstract
To provide an organic Rankine cycle cooling system that can use refrigerant heat in an organic Rankine cycle as a heat source for driving an external combustion engine without requiring heat supply from the outside.SOLUTION: An organic Rankine cycle cooling system 1 cools a cooling object in a circuit that uses an organic material as coolant, wherein the coolant circulates while repeating evaporation and condensation, and the organic Rankine cycle cooling system comprises: a compressor 2 that compresses the coolant to increase the temperature of the coolant; a condenser 5 that cools and condenses the coolant; and an external combustion engine that is provided on the downstream side of the compressor 2 and on the upstream side of the condenser 5. The cooling object is arranged on the downstream side of the condenser 5 and on the upstream side of the compressor 2, and performs heat exchange with the cooled coolant. The external combustion engine operates with the coolant passing through the compressor 2 as a heat source.SELECTED DRAWING: Figure 1
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