[특허]Turbocharger with adjustable throat

Blaylock,Jimmy L.; Brown,Richard T.

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특허 상세정보

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Turbocharger with adjustable throat

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02D-023/00 F01D-001/02 F01D-001/00 F04D-029/44 F04D-029/54 F04D-029/40 F02B-037/12 F02B-037/00
미국특허분류(USC)	060/602; 415/205; 415/151
출원번호	US-0715807 (2007-03-08)
등록번호	US-7481056 (2009-01-27)
발명자 / 주소	Blaylock,Jimmy L. Brown,Richard T.
출원인 / 주소	Blaylock,Jimmy L. Brown,Richard T.
대리인 / 주소	Gotwals,Gable
인용정보	피인용 횟수 : 16 인용 특허 : 19

초록
▼

An exhaust gas turbocharger for an internal combustion engine has a flow control gate that is timely pivotal and located within the exhaust gas inlet downstream of the flow splitter. Control is provided to timely pivot the flow control gate toward the turbine rotor and thus provides an initial high velocity spin to the rotor when turbo charged boost pressure is demanded from an adjustable direction flow control valve. The control valve uses boost pressure from the compressor to timely actuate a piston and lever connected to the pivotal flow control gate,...

대표
청구항
▼

The invention claimed is: 1. A turbocharger for an internal combustion engine comprising; a turbine housing; said turbine housing having a turbine rotor; said turbine housing having an inlet for directing exhaust gases from said internal combustion engine into said turbine housing; a fixed exhaust gas flow splitter in said inlet for dividing flow of exhaust gases entering said inlet; a flow control gate hinged to a downstream end of said flow splitter to move, said flow control gate having an outer side and an inner side; said flow control gate being timely pivotal from a neutral first position allowing substantial flow of inlet exhaust gas across said outer side and said inner side into said exhaust turbine, to a second position contiguous to said turbine rotor for creating and directing a higher velocity flow of said exhaust gases to said turbine rotor; and means to pivot said flow control gate to and from said first and second positions. 2. The turbocharger of claim 1, wherein said fixed exhaust flow splitter divides said inlet flow of exhaust gases substantially equally. 3. The turbocharger of claim 1 wherein said fixed exhaust flow splitter divides said inlet flow of exhaust gases substantially unequally. 4. The turbocharger of claim 1 wherein said means to pivot said flow control gate is an actuator with a moveable member connected to said flow control gate. 5. The turbocharger of claim 4 wherein said actuator is controlled by an ECM. 6. The turbocharger of claim 5 wherein said actuator is hydraulic. 7. The turbocharger of claim 5 wherein said actuator is pneumatic. 8. The turbocharger of claim 5 wherein said actuator is electrical. 9. The turbocharger of claim 1 including: a compressor having an impeller driven by said turbine rotor for directing compressed air into an intake manifold of said internal combustion engine; and means to timely pivot said flow control gate as a function of a given boost pressure of said compressed air. 10. The turbocharger of claim 9 wherein said means to pivot said flow control gate is initiated from an engine control module signal. 11. The turbocharger of claim 9 wherein said means to timely pivot said flow control gate comprises: an adjustable directional flow control valve: an actuator cylinder and reciprocating piston; said flow control valve having means for receiving, directing and exhausting a portion of said compressed air to and from said actuator cylinder to reciprocate said piston; and means connecting said piston to said flow control gate. 12. The turbocharger of claim 11 wherein said adjustable directional flow control valve comprises a valve body with a right and left end; flow ports in said valve body for receiving and directing boost pressure air; a two position slidable spool valve within said housing for timely controlling said flow through said openings; spring means and a given first amount of said boost pressure normally biasing said spool to said right end position; and means whereby a second amount of boost pressure will force said spool to a left position against said spring. 13. The turbocharger of claim 12 wherein said spring is adjustable. 14. A turbocharger of claim 1 wherein said flow splitter in said inlet divides said flow of exhaust gases into an outer flow passage and an inner flow passage; and wherein said higher velocity flow of said exhaust gas occurs in said inner flow passage adjacent said turbine rotor. 15. A turbocharger for an internal combustion engine comprising; a volute-type turbine housing; said turbine housing having a turbine rotor; said turbine housing having an inlet for directing exhaust gases from said internal combustion engine into said turbine housing; an arcuate flow control gate, said flow control gate transversely hinged within said inlet for pivotal movement toward and away from said turbine rotor from a neutral first position allowing substantial flow of exhaust gas into said exhaust turbine to a second position contiguous to said turbine rotor for creating and directing a higher velocity flow of said exhaust gases to said turbine rotor; and means to pivot said flow control gate to and from said first and second positions. 16. The turbocharger of claim 15 wherein said means to pivot said flow control gate is by an actuator having a moveable member connected to said flow control gate. 17. The turbocharger of claim 16 wherein said member is hydraulically actuated. 18. The turbocharger of claim 16 wherein said member is pneumatically actuated. 19. The turbocharger of claim 16 wherein said member is electrically actuated. 20. The turbocharger of claim 16 wherein said actuator is controlled by an ECM. 21. A turbocharger for an internal combustion engine comprising; a volute-type turbine housing; said turbine housing having a turbine rotor; said turbine housing having an inlet for directing exhaust gases from said internal combustion engine into said turbine housing; a pivot attached to said housing in said inlet, said pivot being substantially transverse to the flow of said exhaust gases a flow control gate hinged to and downstream of said pivot, said flow control gate having an outer side and an inner side; said flow control gate being timely pivotal toward and away from said turbine rotor from a neutral first position allowing substantial flow of exhaust gas across said outer side and said inner side into said exhaust turbine, to a second position contiguous to said turbine rotor for directing a higher velocity flow of said exhaust gases to said turbine rotor; and means to pivot said flow control gate to and from said first and second positions. 22. The turbocharger of claim 21 wherein said means to pivot said flow control gate is by an actuator having a moveable member connected to said flow control gate. 23. The turbocharger of claim 22 wherein said member is hydraulically actuated. 24. The turbocharger of claim 22 wherein said member is pneumatically actuated. 25. The turbocharger of claim 22 wherein said member is electrically actuated. 26. The turbocharger of claim 22 wherein said actuator is controlled by an ECM. 27. The turbocharger of claim 21 wherein said flow control gate is arcuate. 28. The turbocharger of claim 27 wherein said arcuate is shaped coincident with said volute.

이 특허에 인용된 특허 (19)

이 특허를 인용한 특허 피인용횟수: 16

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특허 상세정보

Turbocharger with adjustable throat

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이 특허에 인용된 특허 (19)

이 특허를 인용한 특허 피인용횟수: 16

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Turbocharger with adjustable throat

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이 특허에 인용된 특허 (19)

이 특허를 인용한 특허 피인용횟수: 16

IPC 상위 출원인

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IPC 상세정보(version : 201201)

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