Ride height setting based on transfer case setting

Patent

Ride height setting based on transfer case setting

- 16 Dec 1994

11

TL;DR: In this article, the desired vehicle ride height is set to a low ride height which provides the most aerodynamic airflow for the vehicle, and if four wheel drive is selected, the speed is checked to determine the desired ride height.

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Citations

Patent

Suspension strut for a vehicle

Joshua D. Coombs, +1 more

- 05 Jul 2011

TL;DR: In this paper, a hydraulic strut system that damps vehicle vibration and includes a compressible fluid, a strut, and a valve plate is described, which includes three concentric tubes defining an inner cavity, an intermediary cavity, and an outer reservoir cavity, the inner cavity and intermediary cavity being fluidly coupled.

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13

Patent

Suspension system for a vehicle

Joshua D. Coombs, +1 more

- 07 Dec 2001

TL;DR: In this article, a volume modulator is used to selectively push the compressible fluid (12) into the hydraulic cavity (16) and vent the compressed fluid from the suspension strut (14), thereby actively modulating the suspending spring force.

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12

Patent

System and method for controlling an automatic four-wheel drive transfer case which prevents excessive slippage

Syun Kyung Lee

- 10 Aug 2000

TL;DR: In this paper, the authors present a transfer case control system for a four-wheel drive vehicle, which includes a front driveshaft 22 and a rear drivehaft 26, with a conventional microcontroller or controller 40 having a memory unit 42 and operating under stored program control.

...read moreread less

11

Patent

Vehicle ride-height determination for control of vehicle aerodynamics

Irwin Kevin, +6 more

- 24 May 2016

TL;DR: In this article, a vehicle body having a front end facing an ambient airflow when the vehicle is in motion relative to a road surface is configured to control aerodynamics of a vehicle.

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9

Patent

Pneumatic suspension assembly

Rolf Dipl Ing Koester, +4 more

- 14 Dec 1995

TL;DR: In this paper, a pneumatic suspension assembly is provided with an air spring chamber that changes its volume as a function of suspension travel, as well as a pneumatically controlled shock absorber whose input can be connected with the air spring and with a compressed air source or compressed air supply chamber.

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5

References

Patent

Vehicle height control system

Hideaki Kato, +1 more

- 26 Oct 1984

TL;DR: A vehicle height control system includes a plurality of vehicle height adjusters actuated by a hydropneumatic actuating system and controlled by control signals from a control unit as discussed by the authors.

...read moreread less

77

Patent

Vehicle suspension system

Wilfred Ward Smith

- 14 Sep 1992

TL;DR: In this paper, a vehicle suspension comprising suspension members associated with respective wheels of the vehicle and being selectively controlled to change the guard to the ground of a vehicle, a speed sensor element, a sensor element of height responsive to a deviation of the guard from the ground with respect to a predetermined pitch data determined based on the vehicle speed and producing a signal associated with this element, this signal for controlling the movement of at least one suspension member for moving at least a portion of vehicle according to the predetermined height data, and a delay element to inhibit movement of a suspension element in response to

...read moreread less

54

Patent

Control system for optimizing operation of vehicle performance/safety enhancing systems such as 4WS, 4WD active suspensions, and the like

Tomohiro Yamamura, +2 more

- 17 Apr 1991

TL;DR: In this paper, the acceleration is sensed and used to set and/or modify at least two of a plurality of control sensitivity values in a manner which increases one with respect to the other and thus avoids the situation wherein a limited amount of servo power is wasted by futile operation of a servo powered arrangement which cannot produce a large control effect under the instant operating conditions and enables an adequate amount servos power to be directed to the operation of different arrangement which can be effective.

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52

Patent

Automatic suspension system

Jeffrey L. Bleustein, +1 more

- 02 May 1984

TL;DR: An automatic suspension system for a vehicle lowers the vehicle ride height when operating below a predetermined speed and when the vehicle is at rest so that the vehicle has a lower center of gravity for better balance and easier passenger boarding characteristics as mentioned in this paper.

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51

Patent

Height control system for automotive suspension system with vehicle driving condition dependent variable target height

Kenji Kawagoe, +2 more

- 08 Apr 1988

TL;DR: In this article, a height control system utilizing at least first and second mutually different target height ranges for selectively using in vehicular height control is presented, where the first target height range is utilized for detecting the height adjustment initiating timing and the second target length range is used for detecting height adjustment terminating timing.

...read moreread less

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