Cooling device and method for cooling at least two power electronic devices
First Claim
1. A cooling device for cooling at least two power electronic devices by a working fluid, the cooling device comprising:
- a Pulsating Heat Pipe circuit system having tubes of capillary dimension for the working fluid enabling the working fluid to perform thermo-fluidic transport by Pulsating Heat Pipe action;
a heat receiver arrangement comprisinga) a heat receiver portion of the Pulsating Heat Pipe circuit system andb) a pair of thermo-conducting walls provided on mutually opposite sides of the heat receiver arrangement and sandwiching the heat receiver portion between them, each of the thermo-conducting walls being adapted for receiving and for being thermally connected to a respective one of the power electronic devices, wherein the thermo-conducting walls are thermally coupled to the heat receiver portion such that in an operating state heat is transferred from the power electronic devices through the respective thermo-conducting walls to the heat receiver portion thereby heating the working fluid; and
a heat dissipator arrangement comprisinga) a heat dissipator portion of the Pulsating Heat Pipe circuit system andb) a plurality of fins thermally coupled to the heat dissipator portion for transferring heat from the heat dissipator portion to an external cooling fluid for cooling the working fluid in the heat dissipator portion, whereinthe Pulsating Heat Pipe circuit system connects the heat receiver portion with the heat dissipator portion for transferring heat from the heat receiver portion to the heat dissipator portion by the Pulsating Heat Pipe action of the working fluid.
1 Assignment
0 Petitions
Accused Products
Abstract
A cooling device for cooling at least two power electronic devices by a working fluid. The cooling device has a heat receiver portion of the Pulsating Heat Pipe circuit system and a pair of thermo-conducting walls provided on mutually opposite sides of the heat receiver arrangement and sandwiching the heat receiver portion between them. These walls are adapted for being thermally connected to a respective one of the power electronic devices. The cooling device further has a heat dissipator arrangement with a heat dissipator portion of the Pulsating Heat Pipe circuit system and a plurality of fins thermally coupled to the heat dissipator portion for transferring heat from the heat dissipator portion to an external cooling fluid for cooling the working fluid in the heat dissipator portion. The Pulsating Heat Pipe circuit system connects the heat receiver portion with the heat dissipator portion for transferring heat from the heat receiver portion to the heat dissipator portion by the Pulsating Heat Pipe action of the working fluid.
-
Citations
23 Claims
-
1. A cooling device for cooling at least two power electronic devices by a working fluid, the cooling device comprising:
-
a Pulsating Heat Pipe circuit system having tubes of capillary dimension for the working fluid enabling the working fluid to perform thermo-fluidic transport by Pulsating Heat Pipe action; a heat receiver arrangement comprising a) a heat receiver portion of the Pulsating Heat Pipe circuit system and b) a pair of thermo-conducting walls provided on mutually opposite sides of the heat receiver arrangement and sandwiching the heat receiver portion between them, each of the thermo-conducting walls being adapted for receiving and for being thermally connected to a respective one of the power electronic devices, wherein the thermo-conducting walls are thermally coupled to the heat receiver portion such that in an operating state heat is transferred from the power electronic devices through the respective thermo-conducting walls to the heat receiver portion thereby heating the working fluid; and a heat dissipator arrangement comprising a) a heat dissipator portion of the Pulsating Heat Pipe circuit system and b) a plurality of fins thermally coupled to the heat dissipator portion for transferring heat from the heat dissipator portion to an external cooling fluid for cooling the working fluid in the heat dissipator portion, wherein the Pulsating Heat Pipe circuit system connects the heat receiver portion with the heat dissipator portion for transferring heat from the heat receiver portion to the heat dissipator portion by the Pulsating Heat Pipe action of the working fluid. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
-
-
18. A power electronic arrangement comprising:
-
a cooling device including; a Pulsating Heat Pipe circuit system having tubes of capillary dimension for a working fluid enabling the working fluid to perform thermo-fluidic transport by Pulsating Heat Pipe action; a heat receiver arrangement comprising a) a heat receiver portion of the Pulsating Heat Pipe circuit system and b) a pair of thermo-conducting walls provided on mutually opposite sides of the heat receiver arrangement and sandwiching the heat receiver portion between them, each of the thermo-conducting walls being adapted for receiving and for being thermally connected to one of a respective power electronic device, wherein the thermo-conducting walls are thermally coupled to the heat receiver portion such that in an operating state heat is transferred from the power electronic devices through the respective thermo-conducting walls to the heat receiver portion thereby heating the working fluid; and a heat dissipator arrangement comprising a) a heat dissipator portion of the Pulsating Heat Pipe circuit system and b) a plurality of fins thermally coupled to the heat dissipator portion for transferring heat from the heat dissipator portion to an external cooling fluid for cooling the working fluid in the heat dissipator portion, wherein the Pulsating Heat Pipe circuit system connects the heat receiver portion with the heat dissipator portion for transferring heat from the heat receiver portion to the heat dissipator portion by the Pulsating Heat Pipe action of the working fluid; and and at least two devices to be cooled, each being thermally coupled to a respective one of the thermo-conducting walls of the cooling device for cooling the respective device. - View Dependent Claims (19, 20, 21, 22)
-
-
23. A method for cooling at least two power electronic devices by a cooling device, the cooling device having a Pulsating Heat Pipe circuit system containing a working fluid and a pair of thermo-conducting walls, each of which is thermally connected to a respective one of the power electronic devices, the method comprising:
-
transferring heat from the power electronic devices through the respective one of the thermo-conducting walls to the working fluid being in a heat receiver portion of the Pulsating Heat Pipe circuit system, thereby heating the working fluid; transporting heat of the working fluid from the heat receiver portion to a heat dissipator portion of the Pulsating Heat Pipe circuit system by Pulsating Heat Pipe action of the working fluid; and transferring heat from the working fluid in the heat dissipator portion of the Pulsating Heat Pipe circuit system to an external cooling fluid.
-
Specification