Rotating speed control apparatus for an internal combustion engine

Patent · Tue Oct 06 00:00:00 EDT 1987

OSTI ID:5977490

Umehara, K

A rotating speed control apparatus is described for controlling the rotating speed of an internal combustion engine, comprising: a capacitive discharge ignition circuit; rotating speed detecting circuit means for monitoring the rotating speed for the engine; overspeed preventing circuit means cooperable with the capacitive discharge ignition circuit and responsive to the rotating speed detecting circuit means; and independently manually actuable cut-off circuit means for disabling the overspeed preventing circuit means so as to prevent the overspeed preventing circuit means from limiting the rotating speed of the engine; wherein the cut-off circuit means includes a reset switch and is actuated in response to manual actuation of the reset switch; wherein the reset switch is a momentary push button switch; wherein following manual actuation of the momentary push button switch the cut-off circuit means remains continuously actuated until the engine is stopped, and wherein at a subsequent restart of the engine the cut-off circuit means is deactuated; wherein the ignition circuit includes a capacitive charging coil, wherein the push button switch has first and second terminals; and wherein the cut-off circuit means includes: a thyristor; a first resistor; a second resistor; a third resistor; a capacitor; first means electrically coupling the capacitive charging coil of the ignition circuit to the first terminal of the push button switch; and second means electrically coupling the anode of the thyristor to the overspeed preventing circuit means.

• Assignee: Suzuki Jidosha Kogyo Kabushiki Kaisha, Shizuoka
• Patent Number(s): US 4697560
• OSTI ID: 5977490
• Resource Relation: Patent File Date: Filed date 12 Nov 1985
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
CONTROL SYSTEMS
DESIGN
INTERNAL COMBUSTION ENGINES
ANGULAR VELOCITY
AUTOMATION
CAPACITORS
ELECTRONIC CIRCUITS
IGNITION SYSTEMS
OPERATION
RESISTORS
SWITCHES
THYRISTORS
ELECTRICAL EQUIPMENT
ENGINES
EQUIPMENT
HEAT ENGINES
SEMICONDUCTOR DEVICES
VELOCITY
330100* - Internal Combustion Engines