Heat exchanger, evaporator, device, and moving body

A heat exchanger including an evaporator provided with a plate-shaped evaporating body, the evaporating body being configured to absorb heat from outside and evaporate a liquid-phase working fluid into a gas phase while moving the working fluid by capillary forces, the heat exchanger being configured to condense the working fluid in the gas phase introduced from the evaporator and circulate the working fluid in a liquid phase back into the evaporator, wherein

• the evaporator comprises:
• a liquid reservoir of a cylindrical shape with an axial direction thereof extending in a horizontal direction, the liquid reservoir being configured to store the working fluid in the liquid phase;
• a liquid-phase fluid container provided below the liquid reservoir in a vertical direction and configured to accommodate the working fluid in the liquid phase flowing down from the liquid reservoir;
• the evaporating body disposed with a plate surface thereof extending along the vertical direction and configured to evaporate the working fluid in the liquid phase accommodated in the liquid-phase fluid container;
• and
• a gas-phase fluid container provided on an opposite side of the evaporating body from the liquid-phase fluid container and configured to accommodate the working fluid in the gas phase,
• the liquid-phase fluid container and the gas-phase fluid container constitute a plate-shaped housing with a plate surface thereof extending along the vertical direction,
• the liquid-phase fluid container comprises a liquid-phase fluid accommodation chamber configured to accommodate the working fluid in the liquid phase, and
• the liquid-phase fluid accommodation chamber is longer than the liquid reservoir in the horizontal direction.

An evaporator including a plated-shaped evaporating body configured to absorb heat from outside and evaporate a liquid-phase working fluid into a gas phase while moving the working fluid by capillary forces, the evaporator being configured to allow the working fluid in the gas phase evaporated in the evaporating body to flow out and to be circulated back into the evaporator after condensation, wherein

• the evaporator comprises:
• a liquid reservoir configured to store the working fluid in a liquid phase;
• a liquid-phase fluid container provided below the liquid reservoir in a vertical direction and configured to accommodate the working fluid in the liquid phase flowing down from the liquid reservoir;
• the evaporating body disposed with a plate surface thereof extending along the vertical direction and configured to evaporate the working fluid in the liquid phase accommodated in the liquid-phase fluid container;
• and
• a gas-phase fluid container provided on an opposite side of the evaporating body from the liquid-phase fluid container and configured to accommodate the working fluid in the gas phase.

A device comprising:

• a heating element;
• and
• a heat exchanger including an evaporator provided with a plate-shaped evaporating body, the evaporating body being configured to absorb heat from the heating element and evaporate a liquid-phase working fluid into a gas phase while moving the working fluid by capillary forces, the heat exchanger being configured to condense the working fluid in the gas phase introduced from the evaporator and circulate the working fluid in a liquid phase back into the evaporator, wherein
• the evaporator comprises:
• a liquid reservoir configured to store the working fluid in the liquid phase;
• a liquid-phase fluid container provided below the liquid reservoir in a vertical direction and configured to accommodate the working fluid in the liquid phase flowing down from the liquid reservoir;
• the evaporating body disposed with a plate surface thereof extending along the vertical direction and configured to evaporate the working fluid in the liquid phase accommodated in the liquid-phase fluid container;
• and
• a gas-phase fluid container provided on an opposite side of the evaporating body from the liquid-phase fluid container and configured to accommodate the working fluid in the gas phase.

A moving body comprising:

• a drive source;
• a heating element configured to control the drive source;
• and
• a heat exchanger including an evaporator provided with a plate-shaped evaporating body, the evaporating body being configured to absorb heat from the heating element and evaporate a liquid-phase working fluid into a gas phase while moving the working fluid by capillary forces, the heat exchanger being configured to condense the working fluid in the gas phase introduced from the evaporator and circulate the working fluid in a liquid phase back into the evaporator, wherein
• in the moving body driven by the drive source, the evaporator comprises:
• a liquid reservoir of a cylindrical shape with an axial direction thereof extending in a horizontal direction, the liquid reservoir being configured to store the working fluid in the liquid phase;
• a liquid-phase fluid container provided below the liquid reservoir in a vertical direction and configured to accommodate the working fluid in the liquid phase flowing down from the liquid reservoir;
• the evaporating body disposed with a plate surface thereof extending along the vertical direction and configured to evaporate the working fluid in the liquid phase accommodated in the liquid-phase fluid container;
• and
• a gas-phase fluid container provided on an opposite side of the evaporating body from the liquid-phase fluid container and configured to accommodate the working fluid in the gas phase,
• the liquid-phase fluid container and the gas-phase fluid container constitute a plate-shaped housing with a plate surface thereof extending along the vertical direction, and
• the axial direction of the liquid reservoir and the plate surface of the housing extend along a traveling direction of the moving body.