Cold Storage Air Conditioning System for Idle Stop Vehicle

Paper #:
  • 2013-01-1287

Published:
  • 2013-04-08
DOI:
  • 10.4271/2013-01-1287
Citation:
Yamada, A., Nishida, S., Yokoyama, N., Abei, J. et al., "Cold Storage Air Conditioning System for Idle Stop Vehicle," SAE Technical Paper 2013-01-1287, 2013, doi:10.4271/2013-01-1287.
Pages:
6
Abstract:
The number of idle-stop vehicles is rapidly increasing in recent years, and air-conditioning technologies that extend engine stopped time while maintaining the cabin comfort are required. When the engine stops during idle- stop mode, the air conditioner also stops functioning. To maintain cabin comfort, the engine is restarted to work the air-conditioning cycle, which reduces the fuel saving effects.As a countermeasure, a cold storage air conditioning system has been proposed. The system extends engine non-operation time by using cold storage for generating cool air while the engine is stopped. We have integrated this technology into an evaporator, which is used in the air-conditioning cycle, and the system has a short cold storage period and a necessary cold release period. This report describes its concept and effects.
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