Fujitsu Corporation

Takashi Urai

Atsushi Endo

Masahide Kodama

Hideo Kubo

Keita Hirai

Nobumitsu Aoki

Kenji Sasabe

Yuki Kanai

Hideki Kimura

Masumi Suzuki

Michimasa Aoki

Takeshi Nishiyama

Jie Wei

Fumihiro Tawa

Yoshinori Uzuka

Yoichi Sato

Katsuhiko Nakata

Kento Ohga

Tetsuhiro Kinoshita

A liquid cooling module includes a heat-receiver, an inlet-passage in which a flow-path through which the liquid-refrigerant flowed from an inlet flows is formed, a first flow-passage in which the flow-path continues from the inlet-passage, and that is formed as spreading in a fan-like shape as viewed in a normal-direction of a heat-receiving-surface, a second flow-passage in which the flow-path continues from the first flow-passage, and that is formed toward the heat-receiver in the normal-direction, a diffuser in which grooves that continue from the second flow-passage in the heat-receiver and diffuses the liquid-refrigerant along a surface on an opposite side of the heat-receiving-surface is formed, a third flow-passage in which the flow-path continues from the grooves, and that is formed in the normal-direction and a direction in which the flow-path is separating from the heat-receiver, and an outlet-passage in which the flow-path continues from the third flow-passage to an outlet.

Liquid cooling module

A cooling device includes: a container in which a refrigerant is sealed; an evaporating part that evaporates the refrigerant in a liquid phase by heat reception inside the container; a condensing part that condenses the refrigerant in a gas phase by heat dissipation inside the container; and a plate-shaped or block-shaped flow path member in which a plurality of flow paths configured to transport the refrigerant in a liquid phase from the condensing part to the evaporating part by surface tension inside the container is formed in parallel.

Cooling device

A liquid cooling jacket with first and second heat receivers and a biasing spring. The first heat receiver having a first refrigerant pipe through which a refrigerant flow and a first heat conductive sheet that receives heat by being in contact with a cooling target. The second heat receiver is configured to approach and separate from the first heat receiver while facing the first heat conductive sheet. The spring biases the first heat receiver and the second heat receiver in an approaching direction.

Liquid cooling jacket, liquid cooling system, and electronic device

An electronic unit to be stored in a first storage section of an electronic device that includes the first storage section on a first side and a second storage section on a second side opposite to the first side, the electronic unit includes a first board on which a first heating element is mounted; a first connector disposed at an end on the first side of the first board; and a duct disposed at the end on the first side of the first board, the duct having a guide surface that guides wind to the first heating element as a fan of the electronic device operates.

Electronic apparatus and electronic unit

A disclosed unit device: two first circuit boards provided apart from each other in a horizontal direction; heat generating components respectively provided on the two first circuit boards; two second circuit boards provided between the two first circuit boards, arranged to stand at a distance from each other, and each having an opening; and a fan provided between the two second circuit boards and configured to cool the heat generating components on the two first circuit boards by drawing air through the opening of one of the second circuit boards and by expelling the air through the opening of the other second circuit board.

Unit device

A cooling unit includes a radiator, a rigid supply pipe connected to the radiator, and a refrigerant that is air-cooled by the radiator flows, a plurality of open nozzles provided at the supply pipe to correspond to the respective plurality of heat-generating components, a plurality of heat receiving units that are mounted to the respective plurality of heat-generating components and connected to the respective open nozzles, and allow a refrigerant supplied from the open nozzles to flow through internal channels, and a plurality of return pipes each of which is provided for each of the heat receiving units and joined to the heat receiving unit, and returns the refrigerant discharged from the heat receiving unit to the radiator, wherein the respective heat receiving units are connected to the supply pipe to be relatively displaceable, and the respective return pipes are connected to one another in series and relatively displaceably.

Cooling unit and electronic equipment

An electronic component unit includes: a substrate; an electronic component mounted on the surface of the substrate; a heat dissipating member received on the electronic component; a cylinder member having one end coupled to the substrate, the cylinder member having the other end defining an opening opposed to the heat dissipating member; and a piston member having one end coupled to the heat dissipating member, the piston member having the other end inserted in the cylinder member through the opening to establish a closed decompressed space inside the cylinder member.

Electronic component unit and coupling mechanism

A strain reduction fixing structure includes a counterbore formed around a through-hole on a printed circuit board through which a fixing shaft for fixing the printed circuit board to a protection plate member penetrates.

Growing community of inventors

Kawasaki, Japan

Takashi Urai