# US 2014/0153190 A1 · Electronic device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0153190 A1 - Document ID: US20140153190A1 - Status: Published application - Kind: A1 - Application number: 14/094,404 - Filed: 2013-12-02 - Published: 2014-06-05 - Earliest claimed: 2012-12-03 - Assignees: Lenovo (Beijing) Limited; Beijing Lenovo Software Ltd. - Applicants: Lenovo (Beijing) Co., Ltd.; Beijing Lenovo Software Ltd. - Inventors: Guowen Zhang - Web page: https://patentgrep.com/patent/US20140153190A1 ## CPC - H05K 7/20172: {Fan mounting or fan specifications} - F04D 29/00: Details, component parts, or accessories (machine elements in general F16) - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS - F04D: NON-POSITIVE-DISPLACEMENT PUMPS (engine fuel-injection pumps F02M; ion pumps H01J41/12; electrodynamic pumps H02K44/02) ## Abstract An electronic apparatus includes: a case; a support device arranged at the case; a rotating plate articulated to the support device; a driving device; and a heat generating device. The driving device is configured to drive the rotating plate to rotate with respect to the support device; the rotating plate rotates with respect to the support device to generate airflow, the airflow is in a direction parallel to a rotation plane of the rotating plate and away from the support device; and the heat generating device is arranged at a region that the airflow flows through and heat of the heat generating is dissipated by the airflow. ## Claims ### Claim 1 An electronic apparatus, comprising: a case; a support device arranged at the case; a rotating plate articulated to the support device; a driving device configured to drive the rotating plate to rotate with respect to the support device; wherein the rotating plate rotates with respect to the support device to generate airflow, the airflow is in a direction parallel to a rotation plane of the rotating plate and away from the support device; and an heat generating device arranged at a region that the airflow flows through; wherein heat of the heat generating device is dissipated by the airflow. ### Claim 2 (depends on 1) The electronic apparatus according to claim 1, further comprising: an opening arranged at the case, located at a downstream of the airflow that flows through the exothermal device, and configured to export the airflow that flows through the heat generating device to the outside of the case. ### Claim 3 (depends on 1) The electronic apparatus according to claim 1, wherein the heat generating device comprises: a first heat transferring assembly connected to an electronic component via a second heat transferring assembly and configured to receive heat transferred by the second heat transferring assembly from the electronic component. ### Claim 4 (depends on 1) The electronic apparatus according to claim 1, wherein the driving device comprises: a swinging driver configured to drive the rotating plate to swing to and fro with respect to the support device by taking a predetermined axis as a central line, wherein the rotating plate swings to and fro to generate airflow, and the airflow is in a direction along the axis and away from the support device. ### Claim 5 (depends on 4) The electronic apparatus according to claim 4, wherein the swinging driver comprises: a first driver configured to drive the rotating plate to rotate with respect to the support device by taking the predetermined axis as a central line in a first predetermined direction for a first predetermined duration; a second driver configured to drive the rotating plate to rotate with respect to the support device by taking the predetermined axis as the central line in a direction opposite to the first predetermined direction for a second predetermined duration; a controller configured to alternately trigger the first driver and the second driver to generate airflow, wherein the airflow is in a direction parallel to the axis and away from the support device. ### Claim 6 (depends on 4) The electronic apparatus according to claim 4, wherein the swinging driver comprises; a force generator configured to generate an action force every a third predetermined duration, wherein the action force controls the rotating plate to rotate with respect to the support device by taking the predetermined axis as the central line in a second predetermined direction for a fourth predetermined duration; a resetting unit configured to control the rotating plate to rotate with respect to the support device by taking the predetermined axis as the central line in a direction opposite to the second predetermined direction. ### Claim 7 (depends on 6) The electronic apparatus according to claim 6, wherein the force generator comprises: a pulse current generator configured to generate a pulse current every the third predetermined duration, and wherein a duration of the pulse current is the fourth predetermined duration; a core wound at least one loop of winding, wherein two leading-out terminals of the winding are respectively connected to the pulse current generator, the core is configured to attract the rotating plate to rotate with respect to the support device every the third predetermined duration by taking the predetermined axis as the central line in the second predetermined direction for the fourth predetermined duration, the resetting unit comprises a torsional spring configured to pull the rotating plate to rotate with respect to the support device by taking the predetermined axis as the central line in the direction opposite to the second predetermined direction. ### Claim 8 (depends on 6) The electronic apparatus according to claim 6, wherein the force generator comprises: a pulse current generator configured to generate a pulse current every the third predetermined duration, and wherein a duration of the pulse current is the fourth predetermined duration; a core wound at least one loop of winding, wherein two leading-out terminals of the winding are respectively connected to the pulse current generator, the core is configured to push the rotating plate to rotate with respect to the support device every the third predetermined duration by taking the predetermined axis as the central line in the second predetermined direction for the fourth predetermined duration, the resetting unit comprises a torsional spring configured to push the rotating plate to rotate with respect to the support device by taking the predetermined axis as the central line in the direction opposite to the second predetermined direction. ### Claim 9 (depends on 1) The electronic apparatus according to claim 1, wherein the case comprises a first surface and a second surface, and the first surface is opposite to the second surface, an input and output device is arranged at the second surface, wherein the support device is arranged at the first surface of the case. ### Claim 10 (depends on 9) The electronic apparatus according to claim 9, wherein the support device is arranged at a predetermined area of the first surface of the case, and the predetermined area is opposite to the area where a voice output unit of the input and output device is located. ### Claim 11 (depends on 6) The electronic apparatus according to claim 6, wherein the force generator comprises: a pulse current generator configured to generate a pulse current every the third predetermined duration, and wherein a duration of the pulse current is the fourth predetermined duration; a core wound at least one loop of winding, wherein two leading-out terminals of the winding are respectively connected to the pulse current generator, the core is configured to push the rotating plate to rotate with respect to the support device every the third predetermined duration by taking the predetermined axis as the central line in the second predetermined direction for the fourth predetermined duration; wherein, the rotating plate falls down to rotate with respect to the support device by taking the predetermined axis as the central line in the direction opposite to the second predetermined direction due to the gravity after being pushed by the core to rotate with respect to the support device every the third predetermined duration by taking a predetermined axis as the central line in the second predetermined direction for the fourth predetermined duration.