[특허]Fuel saving engine driven welding-type device and method of use

Illinois Tool Works Inc.

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특허 상세정보

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Fuel saving engine driven welding-type device and method of use

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B23K-009/10
미국특허분류(USC)	219/133; 219/130.21
출원번호	US-0709835 (2004-06-01)
발명자 / 주소	Albrecht,Bruce
출원인 / 주소	Illinois Tool Works Inc.
대리인 / 주소	Ziolkowski Patent Solutions Group, SC
인용정보	피인용 횟수 : 31 인용 특허 : 23

초록

The present invention is directed to a welding-type power source that includes a power source housing and an engine arranged in the power source housing to supply electrical power. An energy storage device is included that is in rechargeable association with the internal combustion engine and arranged to provide welding-type power for at least a given period.

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What is claimed is: 1. A method of generating a weld power from alternate power supplies comprising the steps of: generating a weld power from an input power supplied by an energy storage device; starting a fossil fuel driven engine upon generation of the weld power; and upon completion of starting the fossil fuel driven engine, automatically transferring the supplied input power from the energy storage device to a power delivered from the fossil fuel driven engine without interruption of the weld power. 2. The method of claim 1 wherein the step of generating the weld power from an input power supplied by an energy storage device and the step of starting of the fossil fuel driven engine occur substantially simultaneously. 3. The method of claim 1 further comprising the step of charging the energy storage device from the power delivered from the fossil fuel driven engine. 4. The method of claim 3 wherein the step of charging the energy storage device is performed when the weld power is not being generated. 5. The method of claim 1 further comprising the step of detecting a signal provided by the fossil fuel driven engine to determine completion of starting of the fossil fuel driven engine. 6. The method of claim 1 further comprising the steps of monitoring the generation of the weld power and upon detecting a break in the generation of the weld power, shutting down the fossil fuel driven engine. 7. A welding-type apparatus comprising: an engine driven generator; a converter connected to the engine driven generator and configured to generate a welding-type power; and an energy storage device connected to the converter and configured to generate the welding-type power until the output of the engine driven generator is sufficient to provide the welding-type power. 8. The apparatus of claim 7 further comprising a power source controller configured to selectively drive a welding-type process from at least one of the engine driven generator and the energy storage device. 9. The apparatus of claim 8 wherein the power source controller is configured to switch an electrical configuration of the welding-type apparatus to drive the welding-type process from the energy storage device during an initialization period and from the engine driven generator during a post-initialization period. 10. The apparatus of claim 9 wherein the initialization period includes an engine start-up period of an engine of the engine driven generator. 11. The apparatus of claim 9 wherein the power source controller is configured to automatically switch the electrical configuration of the welding-type apparatus without interrupting the welding-type process. 12. The apparatus of claim 8 further comprising a sensor configured to detect a signal indicative of an output delivered by the engine driven generator. 13. The apparatus of claim 12 wherein the power source controller is configured to receive feedback from the sensor and to switch an electrical configuration of the welding-type apparatus to drive the welding-type process from the engine driven generator upon receiving feedback from the sensor. 14. The apparatus of claim 8 wherein the engine driven generator includes an engine configured to drive the engine driven generator during operation and wherein the power source controller is configured to cease operation of the engine upon detecting a break in the welding-type process. 15. The apparatus of claim 14 wherein the engine driven generator is configured to supply electrical power to deliver a charging power to the energy storage device during operation of the engine. 16. The apparatus of claim 8 wherein the power source controller is configured to drive the welding-type process from the energy storage device and to switch an electrical configuration of the welding-type apparatus to drive the welding-type process from the engine driven generator upon detecting a voltage drop of the energy storage device below a threshold. 17. The apparatus of claim 8 wherein the welding-type process is one of a metal inert gas (MIG) welding-type process, tungsten inert gas (TIG) welding-type process, a shielded metal are welding (SMAW) welding-type process, a plasma-cutting process, an induction heating process, and an aircraft auxiliary charging process. 18. The apparatus of claim 7 wherein the engine driven generator is configured to charge the energy storage device during a break in the welding-type process. 19. The apparatus of claim 7 wherein the energy storage device is configured to drive a welding-type process and the engine driven generator is configured to charge the energy storage device. 20. The apparatus of claim 7 wherein the engine driven generator and energy storage device are configured to deliver auxiliary power. 21. A welding-type power source comprising: a housing; an internal combustion engine disclosed in the housing; a generator operatively connected to the internal combustion engine and configured to deliver a desired welding-type power; and an energy storage device rechargeably connected to the generator and configured to deliver the desired welding-type power until an output of the generator is sufficient to deliver the desired welding-type power. 22. The welding-type power source of claim 21 wherein the generator is further configured to deliver an auxiliary power. 23. The welding-type power source of claim 21 wherein the generator is configured to deliver the welding-type power after a predetermined duration of delivery of the desired welding-type power by the energy storage device. 24. The welding-type power source of claim 23 wherein the predetermined duration is defined as the time between a tripper actuation and the internal combustion engine achieving a desired operation speed. 25. The welding-type power source of claim 21 wherein the desired welding-type power is maintained such that a welding-type process is uninterrupted during switching of the source of the desired welding-type power between the energy storage device and the generator. 26. The welding-type power source of claim 25 wherein the switching of the source of the desired welding-type power is performed automatically. 27. The welding-type power source of claim 21 further comprising a controller configured to switch an electrical configuration of the welding-type power source to deliver power from one of the generator and the energy storage device to provide the desired welding-type power. 28. A dual source individually and cooperatively powered welding-type device comprising: a power supply constructed to receive a power signal and configured to generate a desired weld power from the power signal; an engine connected to a generator, the generator connected to the power supply and constructed to provide the power signal; a battery connected to the power supply and constructed to provide the power signal; and a controller connected to the power supply and constructed to switch a source of the power signal between the generator and the battery based on an operating condition of the engine. 29. The welding-type device of claim 28 wherein the generator is connected to battery to recharge the battery during non-generation of the desired weld power. 30. The welding-type device of claim 29 wherein the controller is further configured to maintain an operating condition of the engine upon termination of a welding process for a duration required to recharge the battery from the power signal provided by the generator. 31. The welding-type device of claim 28 wherein the operating condition of the engine is further defined as full-engine speed. 32. The welding-type device of claim 28 wherein the controller is configured to automatically start the engine upon initial generation of the desired weld power from the power signal provided by the battery. 33. The welding-type device of claim 28 wherein the desired weld power is one of a shielded metal are welding power, a tungsten inert gas weld power, a metal inert gas weld power, and a plasma cutting power. 34. The welding-type device of claim 28 further comprising a housing constructed to enclose the engine, battery, and power supply such that the battery supply is incapable of generating the desired weld power if removed from the housing. 35. The welding-type device of claim 28 wherein the controller is further configured to suspend operation of the engine upon termination of a welding process.

이 특허에 인용된 특허 (23)

이 특허를 인용한 특허 피인용횟수: 31

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Fuel saving engine driven welding-type device and method of use

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Fuel saving engine driven welding-type device and method of use

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이 특허에 인용된 특허 (23)

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