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(11) | EP 0 243 072 A3 |
(12) | EUROPEAN PATENT APPLICATION |
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(54) | Engine speed governor |
(57) A governor for a carburettor (10) having a throttle valve (16) to control the speed
of an engine, in which the governor comprises a pneumatic device (21) connected to
the throttle valve and having a working chamber (22) vented by an orifice (26), a
closure valve (27) for the orifice, and electrical means (Fig. 4 or Fig. 5) responding
to engine speed and to a predetermined desired speed of the engine controlling operation
of the closure valve to effect through said pneumatic device changes in engine speed
to correspond it to the predetermined desired speed. |