US6707169B2 — Engine generator, controller, starter apparatus, …

Claim 1

Independent Claim 116 words

An engine generator comprising: a power generator driven by an engine; a starter motor for cranking the engine; and a controller for controlling various electric loads including the start motor with a driving voltage which depends on the power supplied from the generator and a battery, wherein the controller including: an igniter for supplying at ignition coil of the engine with igniting energy; and a connection means for connecting the power supply line of the igniter with a power supply line of the generator and a power supply line of the battery which are connected in parallel with each other; and an inverter circuit for converting an output of a rectifier circuit into an alternating voltage.

Claim 2

Dependent Claim 116 words

An engine generator comprising: a power generator driven by an engine; a starter motor for cranking the engine; and a controller for controlling various electric loads including the start motor with a driving voltage which depends on the power supplied from the generator and a battery, wherein the controller including: an igniter for supplying at ignition coil of the engine with igniting energy; and a connection means for connecting the power supply line of the igniter with a power supply line of the generator and a power supply line of the battery which are connected in parallel with each other; and an inverter circuit for converting an output of a rectifier circuit into an alternating voltage.

Claim 3

Dependent Claim 116 words

An engine generator comprising: a power generator driven by an engine; a starter motor for cranking time engine; and a controller for controlling various electric loads including the start motor with a driving voltage which depends on the power supplied from the generator and a battery, an igniter for supplying an ignition coil of the engine with igniting energy; and the controller including a duty ratio controller for setting the duty ratio of the driving voltage supplied to the starter motor to a smaller level at the startup of the starter motor and then gradually increasing the same with time; and am inverter circuit for converting an output of a rectifier circuit into an alternating voltage.

Claim 4

Dependent Claim 116 words

An engine generator comprising: a power generator driven by an engine; a starter motor for cranking time engine; and a controller for controlling various electric loads including the start motor with a driving voltage which depends on the power supplied from the generator and a battery, an igniter for supplying an ignition coil of the engine with igniting energy; and the controller including a duty ratio controller for setting the duty ratio of the driving voltage supplied to the starter motor to a smaller level at the startup of the starter motor and then gradually increasing the same with time; and am inverter circuit for converting an output of a rectifier circuit into an alternating voltage.

Claim 5

Dependent Claim 95 words

An engine generator with a controller for supplying various electric loads including a starter motor with a driving voltage which depends on the power received from a generator and a battery, comprising: igniter for supplying an ignition coil of the engine with igniting energy; a connection means for connecting the power supply line of the igniter with a power supply line of the generator and a power supply line of the battery which are connected in parallel with each other; an inverter circuit for converting an output of a rectifier circuit into an alternating voltage.

Claim 6

Dependent Claim 95 words

An engine generator with a controller for supplying various electric loads including a starter motor with a driving voltage which depends on the power received from a generator and a battery, comprising: igniter for supplying an ignition coil of the engine with igniting energy; a connection means for connecting the power supply line of the igniter with a power supply line of the generator and a power supply line of the battery which are connected in parallel with each other; an inverter circuit for converting an output of a rectifier circuit into an alternating voltage.

Claim 7

Dependent Claim 101 words

An engine generator with a controller for supplying various electric loads including a starter motor with a driving voltage which depends on the power received from a generator and a battery, an igniter for supplying an ignition coil of the engine with igniting energy; and the controller including a duty ratio controller for setting the duty ratio of the driving voltage supplied to the starter motor to a smaller level at the startup of the starter motor and then gradually increasing the same with time; and arm inverter circuit for converting an output of a rectifier circuit into an alternating voltage.

Claim 8

Dependent Claim 101 words

An engine generator with a controller for supplying various electric loads including a starter motor with a driving voltage which depends on the power received from a generator and a battery, an igniter for supplying an ignition coil of the engine with igniting energy; and the controller including a duty ratio controller for setting the duty ratio of the driving voltage supplied to the starter motor to a smaller level at the startup of the starter motor and then gradually increasing the same with time; and arm inverter circuit for converting an output of a rectifier circuit into an alternating voltage.

Claim 9

Dependent Claim 87 words

An engine generator having an alternating current generator driven by an engine, a rectifier circuit for rectifying a main output released from the output terminal of the alternating current generator, and an inverter circuit for converting an output of the rectifier circuit into an alternating voltage, comprising; a transformer connected at its primary side to the output terminal of time alternating current generator, two or more sub-coils connected at the secondary side of the transformer, and a sub-coil connection means for connecting each sub-coil corresponding electric load.

Claim 10

Dependent Claim 87 words

An engine generator having an alternating current generator driven by an engine, a rectifier circuit for rectifying a main output released from the output terminal of the alternating current generator, and an inverter circuit for converting an output of the rectifier circuit into an alternating voltage, comprising; a transformer connected at its primary side to the output terminal of time alternating current generator, two or more sub-coils connected at the secondary side of the transformer, and a sub-coil connection means for connecting each sub-coil corresponding electric load.

Claim 11

Dependent Claim 33 words

An engine generator according to claim 5 , wherein the sub-coil connection means includes a first connection means for connecting one of the sub-coils with a power source line of the inverter circuit.

Claim 12

Dependent Claim 33 words

An engine generator according to claim 5 , wherein the sub-coil connection means includes a second connection means for connecting one of the sub-coils with a power source line for charging a battery.

Claim 13

Dependent Claim 29 words

An engine generator according to claim 5 , wherein the sub-coil connection means includes a third connection means for connecting one of the sub-coils with a direct-current output line.

Claim 14

Dependent Claim 100 words

An engine generator with an engine starter apparatus for driving a starter motor to crank an engine, comprising; a start switch for starting the engine; an igniting means for combusting the engine at specific timing; and a controller for controlling the action of the starter motor and the igniting means on the basis of the engine speed so that the action of the starter motor is canceled when the engine speed in the cranking action exceeds a first reference and then the action of the igniting means is inhibited when the engine speed becomes lower than a second reference speed.

Claim 15

Dependent Claim 100 words

An engine generator with an engine starter apparatus for driving a starter motor to crank an engine, comprising; a start switch for starting the engine; an igniting means for combusting the engine at specific timing; and a controller for controlling the action of the starter motor and the igniting means on the basis of the engine speed so that the action of the starter motor is canceled when the engine speed in the cranking action exceeds a first reference and then the action of the igniting means is inhibited when the engine speed becomes lower than a second reference speed.

Claim 16

Dependent Claim 40 words

An engine generator according to claim 9 , wherein the first and second reference speed are between the engine speed in the cranking action of the startermotor and the minimum engine speed in the complete combustion process of the engine.

Claim 17

Dependent Claim 115 words

An engine generator with an engine starter apparatus for driving a starter motor to crank an engine, comprising: a start switch for starting the engine; an igniting means for combusting the engine at specific timing; and a controller for controlling the action of the starter motor and the igniting means on the basis of the engine speed, the controller including: an engine stop examining means for examining from the engine speed whether the engine is in action or not; and an engine start controller for switching on the starter motor and the igniting means when the start switch is turned on and the engine stop examining means judges that the engine is not in action.

Claim 18

Dependent Claim 115 words

An engine generator with an engine starter apparatus for driving a starter motor to crank an engine, comprising: a start switch for starting the engine; an igniting means for combusting the engine at specific timing; and a controller for controlling the action of the starter motor and the igniting means on the basis of the engine speed, the controller including: an engine stop examining means for examining from the engine speed whether the engine is in action or not; and an engine start controller for switching on the starter motor and the igniting means when the start switch is turned on and the engine stop examining means judges that the engine is not in action.

Claim 19

Dependent Claim 37 words

An engine generator according to claim 11 , wherein the engine stop examining means judges that the engine is not in action when a condition that the engine speed is zero continues a predetermined length of time.

Claim 20

Dependent Claim 81 words

An engine generator with a remote control system comprising: a transponder connected to a power line of the engine generator; and a remote controller for communication with the transponder over a radio link, wherein a remote control signal is exchanged in two ways across the transponder between the engine generator and the remote controller, the engine generator and the transponder comprise a transfer means respectively for transfer of the remote control signal mutually over the power line of the engine generator.

Claim 21

Dependent Claim 81 words

An engine generator with a remote control system comprising: a transponder connected to a power line of the engine generator; and a remote controller for communication with the transponder over a radio link, wherein a remote control signal is exchanged in two ways across the transponder between the engine generator and the remote controller, the engine generator and the transponder comprise a transfer means respectively for transfer of the remote control signal mutually over the power line of the engine generator.

Claim 22

Dependent Claim 46 words

An engine generator according to claim 13 , wherein the remote control signal serves as a start signal for starting the engine generator, a stop signal for canceling the action of the engine generator, or a notify signal for notifying the action of the engine generator.

Claim 23

Dependent Claim 37 words

An engine generator according to claim 13 , wherein the remote control signal includes an address code for identifying the other party to be communicated and a control code for controlling the other party to be communicated.

Claim 24

Dependent Claim 46 words

An engine generator according to claim 15 , wherein the control code is selected from a start code for starting the engine generator, a stop code for canceling the action of the engine generator, and a notify code for notifying the action of the engine generator.

Claim 25

Dependent Claim 46 words

An engine generator according to claim 15 , where in the engine generator releases a reply in response to reception of the remote control signal and the remote controller repeats the transmission of the remote control signal when receiving no reply of the remote control signal.

Claim 26

Dependent Claim 46 words

An engine generator according to claim 1 , wherein the engine generator when detecting an error inside dispatches the remote control signal carrying data of the error to the remote controller which in turn displays the data of the error carried on the remote control signal.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	2007-03-16	2007-09-15	2008-03-16	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	2011-03-16	2011-09-15	2012-03-16	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2015-03-16	2015-09-15	2016-03-16	$7700.00	Window Closed / Lapsed

Engine generator, controller, starter apparatus, and remote control system for the engine generator

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