Engine control device for mower

Details Engine control device for mower Engine control device for mower

1989-06-19

1990-05-29

Novosad, Stephen J.

Harvesters

Motorized harvester

With selective control of drive means

56 147, A01D 3464, A01D 3482, F02D 902, F02D 1110

Patent

active

049284584

ABSTRACT:
A control device in a mower in which an engine output is transmitted to a cutter blade through a coupling of a clutch for performing mowing. A blade engagement switch is provided for sending a drive signal for engaging the cutter blade. A first control device receives the signal and electrically increases a degree of opening of a throttle valve of the engine. A second control device is provided for electrially performing coupling and decoupling of the clutch. A first timer circuit actuates the first control device a predetermined period upon closure of the blade engagement switch. A second timer circuit actuates the second control device to provide coupling of the clutch at a predetermined timing within the predetermined period after closure of the blade engagement switch.

REFERENCES:
patent: 4159614 (1979-07-01), Thomas et al.
patent: 4318266 (1982-03-01), Taube
patent: 4432191 (1984-02-01), Schmitt

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