IP Library Granted Patent US 9,920,772
Granted Patent B2
US 9,920,772 · App. 15/250,858 · Granted Mar 20, 2018

Reversible fan module

Inventors: Robert Wilcox (Santa Clara, CA); Richard Hibbs (Santa Clara, CA); Jiayi Wu (Santa Clara, CA)
Assignee: Arista Networks, Inc.
F04D29/584F04D29/325F04D29/522F04D29/563H05K7/14H05K7/2019H05K7/20145
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Quick Facts
Patent No.
US 9,920,772
App. No.
15/250,858
Granted
Mar 20, 2018
Kind
B2
Abstract

A system may include a reversible fan module that creates an airflow. The reversible fan module may include a set of attachment members, disposed on a face of the reversible fan module, that secure the reversible fan module a first orientation or a second orientation. The system may further include a chassis that include a divider that divides an interior region of the chassis into a front compartment and a rear compartment, a window, disposed on the divider, that allows airflow between the front compartment and the rear compartment, a first opening in the chassis that opens the front compartment to a first external region, a second opening in the chassis that opens the rear compartment to a second external region, and a bay that receives the reversible fan module.

Claims (23)

1. A network element of a computer network, comprising:

a chassis; and

a fan module configured to be removably and interchangeably plugged into a bay of the chassis in a first orientation or in a second orientation, and comprising:

at least two fans,

a sub-air channel associated with one of the at least two fans, and

an airflow activated closing element that closes the sub-air channel in response to a counter airflow,

wherein the fan module generates a first airflow in a first airflow direction in the first orientation and generates a second airflow in a second airflow direction in the second orientation, and

wherein the first airflow direction is different from the second airflow direction.

2. The network element of claim 1 , wherein the fan module comprises a fan that is oriented perpendicular to an insertion direction of the fan module when in the bay.

3. The network element of claim 1 , further comprising:

a first opening in the chassis and a second opening in the chassis,

wherein the first airflow is along a first airflow path from the first opening in the chassis, through an interior of the chassis, and to the second opening in the chassis; and

wherein the second airflow is along a second airflow path from the second opening in the chassis through the interior of the chassis, and to the first opening in the chassis.

4. The network element of claim 3 , wherein the bay is located on a first face of the chassis and the first opening in the chassis is located on the first face of the chassis.

5. The network element of claim 4 , wherein the second opening in the chassis is located on a second face of the chassis, wherein the second face of the chassis is parallel to the first face of the chassis.

6. The network element of claim 1 , wherein the counter airflow occurs in response to an inactivity of the one of the at least two fans.

7. The network element of claim 1 , wherein the fan module further comprises at least one attachment member, disposed on a face of the fan module, adapted to secure the removable fan module to the chassis in the first orientation and the second orientation.

8. The network element of claim 7 , wherein the fan module is adapted to receive power from at least one power supply through the attachment member.

9. The network element of claim 1 , wherein the removable fan module further comprises:

a fan and a handle,

wherein the fan is in a first location, relative to the handle, when the fan module is in the first orientation, and

wherein the fan is in a second location, relative to the handle, when the fan module is in the second orientation.

10. The network element of claim 1 , wherein the network element is a one selected from the group consisting of a switch, a multilevel switch, and a router.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 2, 2017
From: WILCOX, ROBERT; HIBBS, RICHARD; WU, JIAYI
To: ARISTA NETWORKS, INC.
Reel/Frame 042576/0005 →
Continuity (2)
Continuation 14549945 · Nov 21, 2014
Related Publication 20160369815A1 · Dec 22, 2016