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Compresseur à piston oscillant avec mécanisme à injection offrant une grande puissance de chauffage lorsque la température de l’air extérieur est faible. 

Swing compressor with injection mechanism that realizes high heating capacity at low outside air temperatures.

Numéro : 1439

Auteurs : WADA R., TOKUDA E., IRIKAWA K., SUNAHARA Y., INADA Y., ENDO C., YANAGISAWA M.

Résumé

In order to realize a sustainable society, the switch from combustion heating to heat pump heating is greatly accelerating from consideration for environmental considerations, mainly in North America and Europe. As problems of heat pumping, realization of high period efficiency and securing of high heating capacity at low outside air temperature are mentioned. Our original swing compression mechanism can realize high period efficiency from a structure with little refrigerant leakage, but in order to ensure high heating capacity at low outside air temperature, it was necessary to increase the refrigerant circulation amount under high differential pressure conditions. As a technology that enables this, an injection mechanism is adopted in the scroll compressor, but with a rotary compressor that compresses one at one turn, and a swing compressor, it is difficult to realize an injection mechanism that secures a sufficient injection amount due to factors such as high compression speed and difficulty securing the flow path area. In response to this problem, the injection mechanism was installed on the side of the cylinder to increase the diameter and increase the amount of refrigerant circulation. Furthermore, by applying the check valve structure to the inside of the compressor, we have developed a swing compressor that minimizes volume loss and achieves high period efficiency.

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Pages : 8 p.

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Détails

  • Titre original : Swing compressor with injection mechanism that realizes high heating capacity at low outside air temperatures.
  • Identifiant de la fiche : 30030363
  • Langues : Anglais
  • Sujet : Technologie
  • Source : 2022 Purdue Conferences. 26th International Compressor Engineering Conference at Purdue.
  • Date d'édition : 15/07/2022

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