Load demand throttle control for portable generator and other ap

Details Load demand throttle control for portable generator and other ap Load demand throttle control for portable generator and other ap

1997-07-03

2000-01-25

Dougherty, Thomas M.

Prime-mover dynamo plants

Electric control

Engine control

290 1A, 290 51, 322 14, 322 15, H02P 904

Patent

active

060182008

ABSTRACT:
The throttle of an engine in an engine driven generator system operating subject to a wide and rapidly variable load, as in supplying current to a welder, is operated such that control signals are sent to a throttle actuator for adjusting the engine throttle position in response to load changes. The throttle actuator may be a solenoid pulling against a spring in accordance with the average current through the solenoid coil. In this embodiment, the processor causes pulse width modulated signals to be applied across the solenoid coil with throttle position changes being reflected in changes to the width of the pulses, such changes in the pulse width being delayed for at least the predetermined time since the last preceding adjustment to the throttle. Alternatively, the throttle actuator may be a stepper motor which is stepped by throttle position change signals from a processor which monitors engine speed and generator load to determine whether the throttle should be adjusted and, if so, in which direction and to what extent for optimum response.

REFERENCES:
patent: 3340448 (1967-09-01), Thiessen
patent: 3694661 (1972-09-01), Minowa
patent: 4045718 (1977-08-01), Gray
patent: 4163187 (1979-07-01), Thomas
patent: 4217538 (1980-08-01), Ziemacki
patent: 4239978 (1980-12-01), Kofink
patent: 4293756 (1981-10-01), Hoyt, Jr. et al.
patent: 4379990 (1983-04-01), Sievers et al.
patent: 4456870 (1984-06-01), Rodari
patent: 4542462 (1985-09-01), Morishita et al.
patent: 4595841 (1986-06-01), Yaguchi
patent: 4608946 (1986-09-01), Tanaka et al.
patent: 4625160 (1986-11-01), Hucker
patent: 4629966 (1986-12-01), Quantz
patent: 4647835 (1987-03-01), Fujikawa et al.
patent: 4654577 (1987-03-01), Sugden
patent: 4746808 (1988-05-01), Kaeser
patent: 4766362 (1988-08-01), Sadvary
patent: 4780659 (1988-10-01), Bansal et al.
patent: 4782257 (1988-11-01), Secher et al.
patent: 4788486 (1988-11-01), Mashino et al.
patent: 4827393 (1989-05-01), Clark
patent: 4835405 (1989-05-01), Clancey et al.
patent: 4882513 (1989-11-01), Flygare et al.
patent: 4885493 (1989-12-01), Gokhale
patent: 4914373 (1990-04-01), Rivkine
patent: 4947100 (1990-08-01), Dhyanchand et al.
patent: 4950973 (1990-08-01), Kouba
patent: 4968926 (1990-11-01), Dhyanchand
patent: 5057764 (1991-10-01), Fujimoto et al.
patent: 5093611 (1992-03-01), Nakmura et al.
patent: 5150045 (1992-09-01), Nagato et al.
patent: 5162686 (1992-11-01), Royer
patent: 5168208 (1992-12-01), Schultz et al.
patent: 5177677 (1993-01-01), Nakata et al.
patent: 5214371 (1993-05-01), Naidu
patent: 5239253 (1993-08-01), Shimizu et al.
patent: 5254936 (1993-10-01), Leaf et al.
patent: 5327069 (1994-07-01), Radun et al.
patent: 5359248 (1994-10-01), Nagate et al.
patent: 5369325 (1994-11-01), Nagate et al.
patent: 5373196 (1994-12-01), Faley
patent: 5376877 (1994-12-01), Kern et al.
patent: 5444355 (1995-08-01), Kaneyuki et al.
patent: 5444592 (1995-08-01), Shimizu et al.
patent: 5467008 (1995-11-01), Uchinami
patent: 5504417 (1996-04-01), Kern et al.
patent: 5510662 (1996-04-01), Tanimoto et al.
patent: 5539258 (1996-07-01), Sutton et al.
patent: 5621304 (1997-04-01), Kiuchi et al.
patent: 5625276 (1997-04-01), Scott et al.
patent: 5631544 (1997-05-01), Syverson et al.
patent: 5656922 (1997-08-01), LaVelle et al.
patent: 5703410 (1997-12-01), Maekawa
patent: 5712786 (1998-01-01), Ueda
patent: 5808367 (1998-09-01), Akagi et al.

Affiliated with

Also associated with

Rating

Load demand throttle control for portable generator and other ap does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Load demand throttle control for portable generator and other ap, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Load demand throttle control for portable generator and other ap will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2317819