# US 9,049,802 B2 · Apparatus for receiving servers > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,049,802 B2 - Document ID: US9049802B2 - Status: Granted - Kind: B2 - Application number: 13/674,958 - Filed: 2012-11-13 - Published: 2013-09-19 - Granted: 2015-06-02 - Earliest claimed: 2012-03-15 - Assignees: HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.; Hon Hai Precision Industry Co., Ltd. - Applicants: HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD..; Hon Hai Precision Industry Co., Ltd. - Inventors: Shu-Ni Yi; Hung-Yi Wu - Web page: https://patentgrep.com/patent/US9049802B2 ## CPC - H05K 7/20709: {for server racks or cabinets; for data centers, e.g. 19-inch computer racks} - H05K 7/1489: {characterized by the mounting of blades therein, e.g. brackets, rails, trays (H05K7/1491 takes precedence)} - H05K 7/20145: {Means for directing air flow, e.g. ducts, deflectors, plenum or guides} - H05K 7/20718: {Forced ventilation of a gaseous coolant (in closed loop H05K7/20754)} - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS ## Abstract An apparatus includes a server cabinet configured to receive a plurality of servers therein, and a single heat dissipation device mounted on the server cabinet and positioned outside of the plurality of servers. The heat dissipation device includes a plurality of fans, and each of the plurality of fans is configured to dissipate heat generated in the overall server cabinet. ## Claims ### Claim 1 An apparatus comprising: a server cabinet capable of receiving a plurality of servers therein; and a heat dissipation device mounted on the server cabinet; wherein the heat dissipation device includes a plurality of fans and a housing, the housing defining a plurality of heat dissipation holes corresponding to the plurality of fans, a diameter of each heat dissipation hole equal to or greater than a sum of thicknesses of all of the servers, each heat dissipation hole aligned with all of the servers, and each of the plurality of fans is configured to dissipate heat generated in the server cabinet. ### Claim 2 (depends on 1) The apparatus of claim 1, wherein the server cabinet includes at least one base board and a plurality of retaining poles, the plurality of retaining poles are perpendicularly mounted on the at least one base board, and the heat dissipation device is mounted on the plurality of retaining poles. ### Claim 3 (depends on 2) The apparatus of claim 2, wherein the server cabinet includes two base boards, the plurality of retaining poles are respectively perpendicularly mounted on the two base boards, and a distance between the two base boards is adjustable. ### Claim 4 (depends on 2) The apparatus of claim 2, wherein the heat dissipation device further includes a plurality of fan holders corresponding to the plurality of fans, each of the plurality of fans is received in a corresponding one of the plurality of fan holders, the plurality of fan holders are all mounted on the housing, and the housing is mounted on the plurality of retaining poles. ### Claim 5 (depends on 4) The apparatus of claim 4, wherein each of the plurality of fan holders includes a airflow vanes, each fan is aligned with the airflow vanes of the corresponding fan holder receiving the fan, and wind generated by the fan is capable of driving the airflow vanes to open when the fan rotates. ### Claim 6 (depends on 5) The apparatus of claim 5, wherein the plurality of heat dissipation holes is corresponding to the plurality of fan holders, and the airflow vanes of each of the plurality fan holders are aligned with a corresponding one of the plurality of heat dissipation holes. ### Claim 7 (depends on 6) The apparatus of claim 6, wherein airflow generated by each of the plurality of fans is capable of simultaneously entering all of the plurality of servers and flow through outsides of all of the plurality of servers via the one of the heat dissipation holes corresponding to the fan. ### Claim 8 (depends on 4) The apparatus of claim 4, wherein the heat dissipation device further includes a control unit mounted on the housing, and the control unit includes a circuit board electrically connected to each of the plurality of fans. ### Claim 9 (depends on 8) The apparatus of claim 8, wherein the circuit board is further electrically connected to each of the plurality of servers, and each of the plurality of servers provides electrical power to each of the plurality of fans via the circuit board. ### Claim 10 (depends on 8) The apparatus of claim 8, wherein the circuit board is configured to detect a temperature inside each of the plurality of servers, determine whether each fan is turned on or turned off, and adjust the rotation speed of each fan according to the temperatures inside the plurality of servers. ### Claim 11 (depends on 8) The apparatus of claim 8, wherein the control unit further includes a plurality of indication lamps corresponding to the plurality of fans, and the plurality of indication lamps are respectively electrically connected to the plurality of fans via the circuit board to indicate workings statuses of the plurality of fans. ### Claim 12 (depends on 8) The apparatus of claim 8, further comprising a connection element; wherein the connection element includes a plurality of cables and a wire frame, the plurality of cables are respectively electrically connected to the plurality of servers to provide electric connections to the plurality of servers, and are all received in the wire frame. ### Claim 13 An apparatus, comprising: a server cabinet capable of receiving at least one group of server therein, the servers in a group being positioned at different heights; and a heat dissipation device mounted on the server cabinet; wherein the heat dissipation device comprises at least one group of fans and a housing, the housing defining at least one group of heat dissipation holes to receiving the fans, a diameter of each heat dissipation hole in a group equal to or greater than a sum of thicknesses of all of the servers in a corresponding group, each fan received in corresponding group of heat dissipation hole aligned with all of the servers in the corresponding group to dissipate heat generated in the server cabinet.