Control device for selectable speeds in internal combustion engi

Details Control device for selectable speeds in internal combustion engi Control device for selectable speeds in internal combustion engi

1978-04-06

1980-08-26

Lall, P. S.

Internal-combustion engines

Engine speed regulator

Having condition responsive means with engine being part of...

123333, 180170, F02D 112, B60K 3100

Patent

active

042190002

ABSTRACT:
A control device for internal combustion engines serves to maintain selectable speeds at a constant value. The control device comprises an actual value-desired value comparison stage for the speed, at least one integrator, as well as storage capacity for the integrator value. The engine has a speed device and within a selectable speed range of the engine, the speed device operates in accordance with its function. Outside of the selected speed range, particularly at higher speeds, the integrator serves as a storage device so that when the speed again enters the control speed range, the stored value serves as a starting point for the renewed control operation. In this way, a rapid control action is insured upon each re-entry into the control range, besides providing an exact control operation within the range.

REFERENCES:
patent: 3533236 (1970-10-01), Cottington
patent: 3630177 (1971-12-01), Engel
patent: 3827409 (1974-08-01), O'Neill
patent: 3875907 (1975-04-01), Wessel et al.
patent: 3915130 (1975-10-01), Hobo et al.
patent: 3998191 (1976-12-01), Beyerlein et al.
patent: 4084659 (1978-04-01), Abend et al.
patent: 4098367 (1978-07-01), Fleischer
patent: 4117903 (1978-10-01), Fleischer et al.

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