US 12,392,558 B2
Water-cooling heat dissipation device
Qineng Xiao, Guangdong (CN)
Assigned to SHENZHEN APALTEK CO., LTD., Shenzhen (CN)
Filed by SHENZHEN APALTEK CO., LTD., Shenzhen (CN)
Filed on May 31, 2023, as Appl. No. 18/204,186.
Claims priority of application No. 202221369857.7 (CN), filed on Jun. 2, 2022.
Prior Publication US 2024/0077258 A1, Mar. 7, 2024
Int. Cl. F28D 15/00 (2006.01); F28F 9/00 (2006.01); H01L 23/473 (2006.01); H05K 7/20 (2006.01); F28D 21/00 (2006.01)
CPC F28D 15/00 (2013.01) [F28F 9/005 (2013.01); F28D 2021/0028 (2013.01); F28F 2250/08 (2013.01); H01L 23/473 (2013.01); H05K 7/20272 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A liquid-cooling heat dissipation device, comprising:
a liquid cooler, comprising a seat and a heat absorbing structure connected with the seat, the heat absorbing structure comprising a heat exchanging chamber defined therein, and the seat comprising a liquid supplying channel communicating with the heat exchanging chamber, wherein a liquid storage room is defined in the liquid supplying channel;
a pump assembly, comprising a base and a pump fixed on the base, the base flatly attached on the seat and comprising a pump accommodating groove and a liquid draining hole, and the pump comprising an impeller accommodated in the pump accommodating groove, wherein the liquid draining hole is defined corresponding to and communicates with the liquid storage room;
a liquid input connector, disposed on the base and communicating with the liquid supplying channel; and
a liquid output connector, disposed on the base and communicating with the pump accommodating groove;
wherein the seat comprises an upper casing and a bottom casing assembled with the upper casing correspondingly, and the liquid supplying channel is defined inside the upper casing and the bottom casing;
wherein the liquid supplying channel comprises a liquid input channel, and the liquid input channel comprises a liquid input hole defined on the upper casing, a first liquid input passage communicating with the liquid input hole and defined between the upper casing and the bottom casing, and a second liquid input passage communicating with the first liquid input passage and defined on the bottom casing;
wherein the liquid supplying channel comprises a liquid output channel, and the liquid output channel comprises a plurality of liquid output grooves defined on the bottom casing, a plurality of first liquid output passages respectively communicating with the liquid output grooves and defined between the upper casing and the bottom casing, and a plurality of liquid output holes respectively communicating with the first liquid output passages and defined on the upper casing.