IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0829882
(2001-04-11)
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발명자
/ 주소 |
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출원인 / 주소 |
- Southwest Research Institute
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
10 인용 특허 :
1 |
초록
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A method for starting a primary engine using an exhaust gas stream from an auxiliary engine includes the steps of conducting the exhaust gas stream from the auxiliary engine to an air induction system of the primary engine, adding fresh air to the exhaust stream, and reducing the pressure of the exh
A method for starting a primary engine using an exhaust gas stream from an auxiliary engine includes the steps of conducting the exhaust gas stream from the auxiliary engine to an air induction system of the primary engine, adding fresh air to the exhaust stream, and reducing the pressure of the exhaust stream before it arrives at the air induction system. An apparatus for starting a primary engine using an exhaust gas stream from an auxiliary engine includes a means for conducting the exhaust gas stream from the auxiliary engine to an air induction system of the primary engine, a means for adding fresh air to the exhaust gas stream before the stream arrives at the air induction system, and a means for reducing the exhaust gas stream pressure to prevent back pressuring of the exhaust system of the auxiliary engine, or over-pressurizing the air induction system of the primary engine. The means for conducting the exhaust gas stream from the auxiliary engine to the air induction system is typically a conduit, such as a system of piping, or manifolds. The means for adding fresh air to the exhaust gas stream, as well as the means for reducing the exhaust stream pressure, is typically a check valve. The invention also includes a system for starting a primary engine which includes an auxiliary engine and a conduit in fluid communication with an exhaust gas stream of the auxiliary engine and an air induction system of the primary engine. The system also includes a check valve in fluid communication with the conduit.
대표청구항
▼
A method for starting a primary engine using an exhaust gas stream from an auxiliary engine includes the steps of conducting the exhaust gas stream from the auxiliary engine to an air induction system of the primary engine, adding fresh air to the exhaust stream, and reducing the pressure of the exh
A method for starting a primary engine using an exhaust gas stream from an auxiliary engine includes the steps of conducting the exhaust gas stream from the auxiliary engine to an air induction system of the primary engine, adding fresh air to the exhaust stream, and reducing the pressure of the exhaust stream before it arrives at the air induction system. An apparatus for starting a primary engine using an exhaust gas stream from an auxiliary engine includes a means for conducting the exhaust gas stream from the auxiliary engine to an air induction system of the primary engine, a means for adding fresh air to the exhaust gas stream before the stream arrives at the air induction system, and a means for reducing the exhaust gas stream pressure to prevent back pressuring of the exhaust system of the auxiliary engine, or over-pressurizing the air induction system of the primary engine. The means for conducting the exhaust gas stream from the auxiliary engine to the air induction system is typically a conduit, such as a system of piping, or manifolds. The means for adding fresh air to the exhaust gas stream, as well as the means for reducing the exhaust stream pressure, is typically a check valve. The invention also includes a system for starting a primary engine which includes an auxiliary engine and a conduit in fluid communication with an exhaust gas stream of the auxiliary engine and an air induction system of the primary engine. The system also includes a check valve in fluid communication with the conduit. tput pigtail fiber is located on a different level relative to axis Y. 5. The method as defined in claim 4, wherein the transmission output pigtail fiber is closer to an acute angle point, defined on plane YOZ, on said end of the selected ferrule, than the common input pigtail fiber and the reflection output pigtail fiber. 6. The method as defined in claim 2, wherein spacer is provided between said lens and said selected ferrule, and said spacer is tilted. 7. The method as defined in claim 1, wherein a spacer is provided between said lens and said selected ferrule. 8. A method of assembling a retro-reflective multi-port fiber optic device, comprising the steps of: providing a lens with a specific filter attached to one facet thereof; providing a series of triple-fiber ferrules respectively defining three-fiber assemblies with different fiber spacings, wherein said triple-fiber ferrules comprising a common input pigtail fiber, a transmission output pigtail fiber and a reflection output pigtail fiber therein, the three pigtail fibers forming a virtual circle with the segment connecting the common input fiber and the reflection output fiber as its diameter; selecting one of said triple-fiber ferrules with precise spacing among three fibers disposed therein to match the filter for tuning a center wavelength to a pre-designated wavelength; and positioning said selected ferrule by the other facet of said lens opposite to said filter; wherein said three fibers includes one common input pigtail fiber, one transmission output pigtail fiber, and one reflection output pigtail fiber; positioning a mirror closely to one side of said filter opposite to said lens. 9. The method as defined in claim 8, wherein one end of said selected ferrule which faces the lens, is angled along a slope to reduce back reflection. 10. The method as defined in claim 9, wherein the common input pigtail fiber and the reflection output pigtail fiber are at the same level on said slope. 11. The method as defined in claim 10, wherein by applying a rectangular coordinate XYZ system to the device, an axial direction of the selected ferrule is represented by axis Z, the common input pigtail fiber and the reflection output pigtail fibers are arranged to be located in XOZ plane on the same level relative to axis Y, and the transmission output pigtail fiber is located on a different level relative to axis Y. 12. The method as defined in claim 11, wherein the transmission output pigtail fiber is closer to an acute angle point, defined on plane YOZ, on said end of the selected ferrule, than the common input pigtail fiber and the reflection output pigtail fiber. 13. The method as defined in claim 9, wherein on the angled end of said ferrule, said transmission output pigtail fiber end extends a Ittle bit longer than those of said common input pigtail fiber and said reflection output pigtail fiber along an axial direction of the said selected ferrule. 14. The method as defined in claim 9, wherein spacer is provided between said lens and said selected ferrule, and said spacer is tilted. 15. The method as defined in claim 8, wherein a spacer is provided between the said lens and said selected ferrule. 16. A retro-reflective multi-port fiber optic device comprising: a triple-fiber ferrule with a common input pigtail fiber, a transmission output pigtail fiber and a reflection output pigtail fiber therein,the three pigtail fibers forming a virtual circle with the segment connecting the common input fiber and the reflection output fiber as its diameter; a lens positioned by one side of said ferrule; a filter positioned on one side of said lens opposite said ferrule; and a mirror positioned on one side of said filter opposite to said lens; wherein the transmission output pigtail fiber is positioned in an asymmetrical manner with the common input pigtail fiber relative to a center axis of the ferrule. 17. The device as defined in claim 16, wherein one end of sai
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