IP Library › Granted Patent US 12,257,871
Granted Patent B2
US 12,257,871 · App. 17/083,837 · Granted Mar 25, 2025

Method and apparatus for an adjustable damper

Inventors: Everet Owen Ericksen (Santa Cruz, CA); Christopher Paul Cox (Capitola, CA); Philip Tsiaras (Dacula, GA); Mark Larson (Santa Cruz, CA); Mario Galasso (Sandy Hook, CT); Matt McLellan (Fremont, CA)
Assignee: Fox Factory, Inc.
B60G17/016B60G17/015B60G17/018B60G17/08F16F9/512F16F9/5126B60G2202/24B60G2206/41B60G2400/104B60G2400/202B60G2400/204B60G2400/208B60G2400/252B60G2400/33B60G2400/34B60G2400/39B60G2400/41B60G2400/44B60G2400/5182B60G2400/62B60G2400/63B60G2500/10B60G2500/102B60G2500/11B60G2600/02B60G2600/187B60G2600/20B60G2600/26B60G2600/70B60G2800/012B60G2800/014B60G2800/91
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Quick Facts
Patent No.
US 12,257,871
App. No.
17/083,837
Granted
Mar 25, 2025
Kind
B2
Abstract

A method for controlling vehicle motion is described. The method includes accessing a set of control signals including a measured vehicle speed value associated with a movement of a vehicle. A control signal associated with user-induced input is also accessed. The method compares the measured vehicle speed value with a predetermined vehicle speed threshold value to achieve a speed value threshold approach status, and then compares the set of values to achieve a user-induced input threshold value approach status. The method monitors a state of a valve within the vehicle suspension damper, and determines a control mode for the vehicle suspension damper. The method also regulates damping forces within the vehicle suspension damper.

Claims (9)

1. A method for adjusting a suspension damper based upon sensor input, said method comprising:

receiving said sensor input corresponding to freefall information, said freefall information indicating that a vehicle to which said suspension damper is coupled is experiencing a resultant acceleration of less than 1 g, said sensor input obtained from a sensor; and

changing a valve setting in said suspension damper based upon said sensor input, wherein said sensor input corresponding to said freefall information is generated by said sensor, wherein said sensor input is adjusted by a low-pass filter to ignore vibrations from an engine of said vehicle such that only an acceleration of the vehicle is included in said sensor input, and wherein a freefall timer is activated when said freefall information is generated by said sensor, wherein said valve setting in said suspension damper places said suspension damper in a firm mode when said freefall information is generated by said sensor, wherein, when said suspension damper is in said firm mode, said valve setting is at a most restrictive setting selected from a plurality of valve settings available to a user of said suspension damper.

2. The method for adjusting a suspension damper based upon sensor input as recited in claim 1 , wherein said sensor input corresponding to said freefall information is generated by said sensor detecting that said vehicle is in a freefall condition.

3. The method for adjusting a suspension damper based upon sensor input as recited in claim 1 , wherein a plurality of said suspension dampers are adjusted based upon said sensor input corresponding to said freefall information obtained by said sensor detecting a freefall condition for said vehicle.

4. The method for adjusting a suspension damper based upon sensor input as recited in claim 1 , wherein said sensor input corresponding to said freefall information is generated by said sensor detecting a resultant magnitude of X, Y, and Z accelerations for said vehicle being less than a predetermined threshold value.

5. The method for adjusting a suspension damper based upon sensor input as recited in claim 1 , wherein said sensor input corresponding to said freefall information is generated by a plurality of sensors detecting a resultant magnitude of X, Y, and Z acceleration for said vehicle being less than a predetermined threshold value.

6. The method for adjusting a suspension damper based upon sensor input as recited in claim 1 , wherein said sensor input corresponding to said freefall information is generated by a plurality of sensors detecting a resultant magnitude of X, Y, and Z acceleration for said vehicle in the range of approximately 0 g and 1.0 g.

7. The method for adjusting a suspension damper based upon sensor input as recited in claim 1 , wherein said sensor input corresponding to said freefall information is generated by said sensor detecting a non-zero g threshold acceleration value for said vehicle.

Assignments (2)
SECURITY INTEREST Recorded Apr 5, 2022
From: FOX FACTORY, INC.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 059616/0435 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 16, 2020
From: ERICKSEN, EVERET OWEN; COX, CHRISTOPHER PAUL; TSIARAS, PHILIP; LARSON, MARK; GALASSO, MARIO; MCLELLAN, MATT
To: FOX FACTORY, INC.
Reel/Frame 054381/0778 →
Continuity (19)
Continuation 16051302 · Jul 31, 2018
Division 15275078 · Sep 23, 2016
Division 14466831 · Aug 22, 2014
Continuation In Part 14251446 · Apr 11, 2014
Continuation In Part 13934067 · Jul 2, 2013
Continuation In Part 13843704 · Mar 15, 2013
Continuation In Part 13485401 · May 31, 2012
Continuation In Part 12684072 · Jan 7, 2010
Continuation In Part 13189216 · Jul 22, 2011
Continuation In Part 13010697 · Jan 20, 2011
Continuation In Part 13175244 · Jul 1, 2011
Provisional Application 61709041 · Oct 2, 2012
Provisional Application 61667327 · Jul 2, 2012
Provisional Application 61645465 · May 10, 2012
Provisional Application 61491858 · May 31, 2011
Provisional Application 61361127 · Jul 2, 2010
Provisional Application 61296826 · Jan 20, 2010
Provisional Application 61143152 · Jan 7, 2009
Related Publication 20210039468A1 · Feb 11, 2021
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