IP Library › Granted Patent US 10,076,067
Granted Patent B2
US 10,076,067 · App. 15/814,021 · Granted Sep 11, 2018

System and method of controlling an air mover

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Quick Facts
Patent No.
US 10,076,067
App. No.
15/814,021
Granted
Sep 11, 2018
Kind
B2
Abstract

A system and method of controlling a cooling fan in an information handling system is disclosed. A fan request signal is received from a component of an information handling system and a determination is made regarding whether the component is configured to operate with a cooling fan. If the component is configured to operate with the cooling fan, the fan request signal is transmitted to the cooling fan. If, on the other hand, the component is not configured to operate with the cooling fan, a revised fan request signal is generated and transmitted to the cooling fan.

Claims (23)

1. A method of controlling a cooling fan in an information handling system, the method comprising:

receiving a fan request signal from a component of an information handling system;

identifying a fan type of the cooling fan;

determining whether the component is configured to operate with a cooling fan based on the fan type of the cooling fan;

if the component is configured to operate with the cooling fan, transmitting the fan request signal to the cooling fan; and

if the component is not configured to operate with the cooling fan, generating a revised fan request signal and transmitting the revised fan request signal to the cooling fan.

2. The method of claim 1 , wherein the component of the information handling system is a server.

3. The method of claim 1 , wherein determining whether the component is configured to operate with the cooling fan:

identifying a fan type of the cooling fan;

identifying a fan type of a fan with which the server is configured to operate;

comparing a fan-speed curve of the cooling fan to a fan-speed curve of the fan with which the server is configured to operate; and

determining, based on the comparison, whether the component is configured to operate with the cooling fan.

4. The method of claim 1 , wherein the fan request signal is a pulse width modulation signal.

5. The method of claim 1 , wherein generating a revised fan request signal comprises:

identifying a required fan speed of the component, wherein identifying a required fan speed comprises identifying an intended fan speed; and

generating a revised fan request signal based on the intended fan speed.

6. The method of claim 5 , wherein generating a revised fan request signal further comprises:

identifying the intended fan speed of the component, wherein identifying the required fan speed comprises identifying a fan speed corresponding to the received fan request signal in an offset table;

identifying an offset corresponding to the intended fan speed in the offset table; and

generating a revised fan request signal by applying the offset to the received fan request signal.

7. The method of claim 5 , wherein generating a revised fan request signal further comprises:

identifying the intended fan speed of the component, wherein identifying the intended fan speed comprises identifying a fan speed corresponding to the received fan request signal on a fan-speed curve of a fan with which the component is configured to operate; and

generating a revised fan request signal based on the intended fan speed, wherein the revised fan request signal corresponds to the intended fan speed on a fan-speed curve of the cooling fan.

Assignments (8)
RELEASE OF SECURITY INTEREST IN PATENTS PREVIOUSLY RECORDED AT REEL/FRAME (053546/0001) Recorded Jun 23, 2022
From: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., AS NOTES COLLATERAL AGENT
To: DELL MARKETING L.P. (ON BEHALF OF ITSELF AND AS SUCCESSOR-IN-INTEREST TO CREDANT TECHNOLOGIES, INC.); DELL INTERNATIONAL L.L.C.; DELL PRODUCTS L.P.; DELL USA L.P.; EMC CORPORATION; DELL MARKETING CORPORATION (SUCCESSOR-IN-INTEREST TO FORCE10 NETWORKS, INC. AND WYSE TECHNOLOGY L.L.C.); EMC IP HOLDING COMPANY LLC
Reel/Frame 071642/0001 →
RELEASE OF SECURITY INTEREST IN PATENTS PREVIOUSLY RECORDED AT REEL/FRAME (045482/0131) Recorded May 20, 2022
From: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., AS NOTES COLLATERAL AGENT
To: DELL PRODUCTS L.P.; EMC CORPORATION; EMC IP HOLDING COMPANY LLC; DELL MARKETING CORPORATION (SUCCESSOR-IN-INTEREST TO WYSE TECHNOLOGY L.L.C.)
Reel/Frame 061749/0924 →
RELEASE OF SECURITY INTEREST AT REEL 045482 FRAME 0395 Recorded Nov 2, 2021
From: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH
To: DELL PRODUCTS L.P.; EMC CORPORATION; EMC IP HOLDING COMPANY LLC; WYSE TECHNOLOGY L.L.C.
Reel/Frame 058298/0314 →
SECURITY AGREEMENT Recorded Apr 22, 2020
From: CREDANT TECHNOLOGIES INC.; DELL INTERNATIONAL L.L.C.; DELL MARKETING L.P.; DELL PRODUCTS L.P.; DELL USA L.P.; EMC CORPORATION; FORCE10 NETWORKS, INC.; WYSE TECHNOLOGY L.L.C.; EMC IP HOLDING COMPANY LLC
To: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A.
Reel/Frame 053546/0001 →
SECURITY AGREEMENT Recorded Mar 21, 2019
From: CREDANT TECHNOLOGIES, INC.; DELL INTERNATIONAL L.L.C.; DELL MARKETING L.P.; DELL PRODUCTS L.P.; DELL USA L.P.; EMC CORPORATION; FORCE10 NETWORKS, INC.; WYSE TECHNOLOGY L.L.C.; EMC IP HOLDING COMPANY LLC
To: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A.
Reel/Frame 049452/0223 →
PATENT SECURITY AGREEMENT (CREDIT) Recorded Mar 1, 2018
From: DELL PRODUCTS L.P.; EMC CORPORATION; EMC IP HOLDING COMPANY LLC; WYSE TECHNOLOGY L.L.C.
To: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS COLLATERAL AGENT
Reel/Frame 045482/0395 →
PATENT SECURITY AGREEMENT (NOTES) Recorded Mar 1, 2018
From: DELL PRODUCTS L.P.; EMC CORPORATION; EMC IP HOLDING COMPANY LLC; WYSE TECHNOLOGY L.L.C.
To: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., AS COLLATERAL AGENT
Reel/Frame 045482/0131 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 15, 2017
From: TUNKS, ERIC M.; COXE, WILLIAM K.
To: DELL PRODUCTS L.P.
Reel/Frame 044138/0908 →