Vehicle headlamp system with series high beam daylight running l

Details Vehicle headlamp system with series high beam daylight running l Vehicle headlamp system with series high beam daylight running l

1989-07-24

1990-05-22

Boudreau, Leo H.

Electric lamp and discharge devices: systems

Special application

Vehicle

315 77, 315 76, 307 101, 307 108, B60Q 102

Patent

active

049280368

ABSTRACT:
A headlamp system provides for the high beam headlamp filaments to be connected in series across the supply voltage for half voltage energization in daytime running lamp operation when the ignition switch is closed, a DRL enabling switch is open and the headlamp switch is not in a headlamp on condition. In normal high beam headlamp operation, the high beam filaments are connected across the supply voltage in parallel for full voltage energization. The DRL enabling switch may be a park brake switch. The headlamp switch may have a fog lamp energizing condition to energize fog lamps; and the system permits such energization when the headlamps are connected in series but not when they are connected in parallel in normal high beam operation. A circuit is provided to sense when one of the high beam filaments is burned out and latch the daytime running light operation off with a signal to the vehicle operator.

REFERENCES:
patent: 3262011 (1966-07-01), Cones
patent: 3337846 (1967-08-01), Hollins
patent: 3341736 (1967-09-01), Fortney
patent: 3397342 (1968-08-01), Dill
patent: 3639805 (1972-02-01), Muench et al.
patent: 3706005 (1972-12-01), Carlson
patent: 3832597 (1974-08-01), Mitchell
patent: 3932788 (1976-01-01), Groover
patent: 4667129 (1987-05-01), Papillon
patent: 4684819 (1987-08-01), Haag et al.
patent: 4686423 (1987-07-01), Eydt

Affiliated with

Also associated with

Rating

Vehicle headlamp system with series high beam daylight running l does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Vehicle headlamp system with series high beam daylight running l, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Vehicle headlamp system with series high beam daylight running l will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2136666