DEVICE FOR HEAT TRANSPORT WITH TWO-PHASE FLUID
First Claim
1. A device for heat transfer, without active regulation, suited for extracting heat from a hot source and for returning this heat to a cold source via a two-phase working fluid contained in a general closed circuit, comprising:
- at least one evaporator, having an inlet and an outlet,at least one condenser, separate from and away from the evaporator,a tank with an internal volume, the internal volume including a liquid portion and a gas portion, and at least one inlet/outlet orifice laid out near the liquid portion, where the liquid portion has a volume that can vary between a minimum volume and a maximum volume,a first connection circuit;
for the working fluid in vapor phase, connecting the outlet of the evaporator to an inlet of the condenser;
a second connection circuit, for the working fluid in liquid phase, connecting an outlet from the condenser to the tank and to the inlet of the evaporator;
wherein the gas portion from the tank includes the vapor phase of the working fluid with a first partial pressure and a non-condensable auxiliary gas with a second partial pressure, where the second partial pressure is adjustable to obtain a total pressure greater than or equal to a preset minimum operating pressure when the liquid portion in the entire general closed circuit is at the minimum volume.
1 Assignment
0 Petitions
Accused Products
Abstract
A heat transport device with a diphasic working fluid contained in a general closed circuit, includes an evaporator having a microporous body suitable for providing capillary pumping of liquid phase fluid; a condenser; a tank having an inner space, with a liquid portion and a gas portion; and an inlet/outlet arranged at the liquid portion, wherein the volume of the liquid portion can vary between a minimum volume and a maximum volume. The gas portion of the tank contains the vapor phase of the working fluid, at a first partial pressure, and a noncondensable auxiliary gas at a second partial pressure, wherein the second partial pressure is greater than the first partial pressure, at least when the liquid portion is at the minimum volume thereo.
15 Citations
9 Claims
-
1. A device for heat transfer, without active regulation, suited for extracting heat from a hot source and for returning this heat to a cold source via a two-phase working fluid contained in a general closed circuit, comprising:
-
at least one evaporator, having an inlet and an outlet, at least one condenser, separate from and away from the evaporator, a tank with an internal volume, the internal volume including a liquid portion and a gas portion, and at least one inlet/outlet orifice laid out near the liquid portion, where the liquid portion has a volume that can vary between a minimum volume and a maximum volume, a first connection circuit;
for the working fluid in vapor phase, connecting the outlet of the evaporator to an inlet of the condenser;a second connection circuit, for the working fluid in liquid phase, connecting an outlet from the condenser to the tank and to the inlet of the evaporator; wherein the gas portion from the tank includes the vapor phase of the working fluid with a first partial pressure and a non-condensable auxiliary gas with a second partial pressure, where the second partial pressure is adjustable to obtain a total pressure greater than or equal to a preset minimum operating pressure when the liquid portion in the entire general closed circuit is at the minimum volume. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
-
Specification