Hill start assist system

Details Hill start assist system Hill start assist system

2008-12-31

2011-12-13

Black, Thomas (Department: 3661)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Indication or control of braking, acceleration, or deceleration

C477S195000, C303S005000

Reexamination Certificate

active

08078378

ABSTRACT:
A hill start assist system for a tractor includes a pressure reduction valve receiving air from an air supply source, a solenoid valve having a supply port connected to a delivery port of the pressure reduction valve, a double check valve receiving air from a foot brake valve and from the solenoid valve, a tractor protection valve receiving air from the solenoid valve and from front and rear brake circuits of the tractor and an inversion valve having a control line connected to the solenoid, a supply port connected to the delivery line of the tractor protection valve, an exhaust port connected to the foot brake valve and a delivery line connected to a stop light switch.

REFERENCES:
patent: 5097724 (1992-03-01), Braun
patent: 5342119 (1994-08-01), Smith et al.
patent: 5472223 (1995-12-01), Hawthorne et al.
patent: 6260934 (2001-07-01), Lee
patent: 7226389 (2007-06-01), Steen
patent: 2008/0258540 (2008-10-01), Hicks et al.
patent: 2008/0271964 (2008-11-01), Bennett et al.
patent: 2010/0078278 (2010-04-01), Hurlburt et al.
patent: 2002028311 (2002-04-01), None

Affiliated with

Also associated with

Rating

Hill start assist system does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Hill start assist system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hill start assist system will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4293791