Refrigerating system

A refrigerating system for cooling a subject to be cooled, comprising:

• an air cycle part (11) including an expander (22) for taking in a heat-absorbing air and reducing the pressure of the heat-absorbing air, a heat absorbing section (30) in which the heat-absorbing air reduced in pressure in the expander (22) absorbs heat from the subject to be cooled, and a compressor (21) for compressing the heat-absorbing air having absorbed heat in the heat absorbing section (30);
• and
• dehumidifying means (60) for dehumidifying the heat-absorbing air and then supplying the heat-absorbing air to the expander (22) of the air cycle part (11),
• wherein the dehumidifying means (60) is arranged to include a humidity medium for effecting moisture absorption and release, dehumidify the heat-absorbing air through moisture absorption of the humidity medium and regenerate through moisture release of the humidity medium, and
• wherein the dehumidifying means (60) is arranged to release moisture to the heat-absorbing air compressed in the air cycle part (11).

The refrigerating system for cooling a subject to be cooled, comprising:

• an air cycle part (11) including an expander (22) for taking in a heat-absorbing air and reducing the pressure of the heat-absorbing air, a heat absorbing section (30) in which the heat-absorbing air reduced in pressure in the expander (22) absorbs heat from the subject to be cooled, and a compressor (21) for compressing the heat-absorbing air having absorbed heat in the heat absorbing section (30);
• and
• dehumidifying means (60) for dehumidifying the heat-absorbing air and then supplying the heat-absorbing air to the expander (22) of the air cycle part (11), wherein
• the air cycle part (11) is arranged to provide heat absorption from an air to be cooled as the subject to be cooled in the heat absorbing section (30), and
• the heat absorbing section (30) is arranged to separate the air to be cooled from the heat-absorbing air by a moisture-permeable membrane, supply moisture having condensed in the air to be cooled to the heat-absorbing air based on a pressure difference developed across the partition and use latent heat of evaporation of the moisture for heat absorption from the air to be cooled.

The refrigerating system for cooling a subject to be cooled, comprising:

• an air cycle part (11) for taking in a heat-absorbing air, reducing the pressure of the heat-absorbing air and compressing the heat-absorbing air having absorbed heat from the subject to be cooled after the pressure reduction thereof;
• and
• dehumidifying means (60) for dehumidifying the heat-absorbing air and then supplying the heat-absorbing air to the air cycle part (11),
• wherein the air cycle part (11) is arranged to operate in a mode of effecting an air cycle operation so that the heat-absorbing air in reduced pressure condition absorbs heat from the subject to be cooled and another mode in which the air cycle operation is stopped and the taken heat-absorbing air in normal pressure condition absorbs heat from the subject to be cooled.

A refrigerating system for cooling a subject to be cooled, comprising:

• an air cycle part (11) for taking in a heat-absorbing air, reducing the pressure of the heat-absorbing air and compressing the heat-absorbing air having absorbed heat from the subject to be cooled after the pressure reduction thereof;
• dehumidifying means (60) for dehumidifying the heat-absorbing air and then supplying the heat-absorbing air to the air cycle part (11),
• wherein the dehumidifying means (60) is arranged to include a humidity medium for effecting moisture absorption and release, dehumidify the heat-absorbing air through moisture absorption of the humidity medium and regenerate through moisture release of the humidity medium, and
• heating means (101) for heating the heat-absorbing air compressed in the air cycle part (11) and supplying the heat-absorbing air to the dehumidifying means (60).

A refrigerating system for cooling a subject to be cooled, comprising:

• an air cycle part (11) for taking in a heat-absorbing air, reducing the pressure of the heat-absorbing air and compressing the heat-absorbing air having absorbed heat from the subject to be cooled after the pressure reduction thereof;
• dehumidifying means (60) for dehumidifying the heat-absorbing air and then supplying the heat-absorbing air to the air cycle part (11),
• wherein the dehumidifying means (60) is arranged to include a humidity medium for effecting moisture absorption and release, dehumidify the heat-absorbing air through moisture absorption of the humidity medium and regenerate through moisture release of the humidity medium, and
• heating means (101) for heating the heat-absorbing air immediately prior to being compressed in the air cycle part (11).

A refrigerating system for cooling a subject to be cooled, comprising:

• an air cycle part (11) including an expander (22) for taking in a heat-absorbing air and reducing the pressure of the heat-absorbing air, a heat absorbing section (30) in which the heat-absorbing air reduced in pressure in the expander (22) absorbs heat from the subject to be cooled, and a compressor (21) for compressing the heat-absorbing air having absorbed heat in the heat absorbing section (30);
• and
• dehumidifying means (60) for dehumidifying the heat-absorbing air and then supplying the heat-absorbing air to the expander (22) of the air cycle part (11),
• wherein the air cycle part (11) is arranged to operate in a mode of effecting an air cycle operation so that the heat-absorbing air in reduced pressure condition absorbs heat from the subject to be cooled and another mode in which the air cycle operation is stopped and the taken heat-absorbing air in normal pressure condition absorbs heat from the subject to be cooled.

A refrigerating system for cooling a subject to be cooled, comprising:

• an air cycle part (11) including an expander (22) for taking in a heat-absorbing air and reducing the pressure of the heat-absorbing air, a heat absorbing section (30) in which the heat-absorbing air reduced in pressure in the expander (22) absorbs heat from the subject to be cooled, and a compressor (21) for compressing the heat-absorbing air having absorbed heat in the heat absorbing section (30);
• dehumidifying means (60) for dehumidifying the heat-absorbing air and then supplying the heat-absorbing air to the expander (22) of the air cycle part (11);
• and
• heating means (101) for heating the heat-absorbing air compressed in the air cycle part (11) and supplying the heat-absorbing air to the dehumidifying means (60),
• wherein the dehumidifying means (60) is arranged to include a humidity medium for effecting moisture absorption and release, dehumidify the heat-absorbing air through moisture absorption of the humidity medium and regenerate through moisture release of the humidity medium.

A refrigerating system for cooling a subject to be cooled, comprising:

• an air cycle part (11) including an expander (22) for taking in a heat-absorbing air and reducing the pressure of the heat-absorbing air, a heat absorbing section (30) in which the heat-absorbing air reduced in pressure in the expander (22) absorbs heat from the subject to be cooled, and a compressor (21) for compressing the heat-absorbing air having absorbed heat in the heat absorbing section (30);
• dehumidifying means (60) for dehumidifying the heat-absorbing air and then supplying the heat-absorbing air to the expander (22) of the air cycle part (11);
• and
• heating means (101) for heating the heat-absorbing air immediately prior to being compressed in the air cycle part (11),
• wherein the dehumidifying means (60) is arranged to include a humidity medium for effecting moisture absorption and release, dehumidify the heat-absorbing air through moisture absorption of the humidity medium and regenerate through moisture release of the humidity medium.