[특허]Improvement in methods of supercharging an engine, preferably a diesel engine in such supercharged engines, and in super

Improvement in methods of supercharging an engine, preferably a diesel engine in such supercharged engines, and in super 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02B-033/40 F02B-033/44
출원번호	US-0437748 (1974-01-29)
발명자 / 주소	Melchior Jean F. (Paris FR)
인용정보	피인용 횟수 : 27 인용 특허 : 0

초록 ▼

An internal combustion engine of the expansible chamber type and preferably a diesel engine is equipped with a turbo-compressor unit, comprising at least one compressor and at least one turbine, and at least one bypass pipe enabling direct and permanent passage for the air delivered through the compressor to the turbine inlet. The diesel engine is supercharged by the compressor driven by the turbine. Regulating means are provided to limit the rotary speed of the supercharging unit so that it operates at or above a minimum threshold value such that the engine, which has a compression ratio of less than 12, can be started and kept running at low power without difficulty. For engines requiring scavenging, throttle means with variable passage cross section are arranged so as to be traversed by generating between the upstream and downstream parts of the bypass pipe a pressure difference which is an increasing function of the pressure existing in the upstream part regardless of the engine speed and therefore which is independent of the air flow passing through said throttle means. The increasing function may be a linear or substantially linear function. A combustion chamber is arranged upstream of the turbine and supplied by air which has passed through the bypass pipe, by fuel under the control of the regulating means and also, in some embodiments, by exhaust gases from the engine.

대표청구항 ▼

A method of supercharging an internal combustion engine of the expansible chamber type having a turbo-compressor system with at least one compressor and at least one turbine for driving the compressor, said engine having a combustion chamber system connected between the outlet of said compressor and the inlet of said turbine having an airflow capacity which varies as a function of engine r.p.m. and load, said method comprising the steps of: a. directly communicating the outlet of said compressor with the turbine inlet by connecting a bypass passageway between said outlet and inlet in parallel airflow relation with the engine combustion chamber system; b. establishing a substantially constant total airflow capacity between the compressor outlet and the turbine inlet for any given compressor outlet pressure by providing an airflow capacity in said bypass passageway adequate to automatically responsively compensate for the variations in the airflow capacity of the engine combustion chamber system caused by engine r.p.m. and load variations whereby the pressure difference, if any, between the compressor outlet and turbine inlet is generally independent of the ratio of the flow rate of the air traversing said bypass passageway to the total airflow delivered from said compressor; c. matching said turbo-compressor system to the total airflow capacity of said engine combustion chamber system and of said bypass passageway such that the plot of the ratio of the compressor output pressure to the compressor input pressure versus the airflow delivered by the compressor, during self-sustaining operation of said turbo-compressor system and conjoint operation of the engine under its own power in response to any variation in engine load and r.p.m. within the complete operating range of the engine, lies at least within a narrow area approximating a predetermined curve located in a high yield area generally near to, but which does not exceed, the surge line characteristic of the compressor; and d. operating the engine under its own power and simultaneously operating the turbo-compressor system in a self-sustaining mode so as to deliver air from said compressor to said engine combustion chamber system and to said bypass passageway such that the aforementioned plot of the matched turbo-compressor lies within said narrow area.

이 특허를 인용한 특허 (27)

Albert F. Araujo, Air compressor for charging an internal combustion engine.
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Butscher Franz (Friedrichshafen DEX), Air supply and fuel volume control arrangement for an auxiliary combustion chamber of a supercharged internal combustion.
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Shea, Dennis Brian; Dillen, Eric Richard; Dunsworth, Vincent F.; Gallagher, Shawn Michael, Apparatus and method for automatic detection and avoidance of turbocharger surge on locomotive diesel engines.
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Petrov Alexandr P. (Leningrad SU) Kovalevsky Evgeny S. (Leningrad SU) Kosyak Anatoly F. (Leningrad SU) Bondarev German G. (Leningrad SU), Compression ignition engine regulation system.
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Fenelon Thomas R. ; Hercey Robert L. ; Hill Gerald A., Compressor by-pass and valving for a turbocharger.
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Tyler, Jeffrey A., Control system regulating air flow to engine intake.
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Sherrill, Ryan; Brown, Jared William, Eccentric planetary traction drive super-turbocharger.
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Brinks, Barry T.; VanDyne, Ed, High speed and continuously variable traction drive.
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Sherrill, Ryan; VanDyne, Ed, High torque traction drive.
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Hrler Hansulrich (Zurich CHX) Meier Erwin (Remetschwil CHX), Internal combustion engine having a turbo-supercharger with an automatic bypass.
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Tholen ; Paul ; Finsterwalder ; Gerhard, Internal combustion engine with exhaust gas turbo super charger.
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Busch,Michael Rainer, Internal combustion engine with exhaust-gas turbocharger and secondary air injection.
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Melchior Jean (66 ; Boulevard Maurice Barres 92200 Neuilly-sur-Seine FRX), Internal combustion engine with improved efficiency and filling by recovery of part of the energy of the blasts which ar.
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Melchior ; Jean ; Andre ; Thierry ; DE Boisjean ; Michel de Lambert, Power units comprising a supercharged internal combustion engine.
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Brown, Jared William; Waldron, Tom; Sherrill, Ryan, Speed reduced driven turbocharger.
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Brinks, Berry T.; VanDyne, Ed; Brown, Jared William, Super-turbocharger having a high speed traction drive and a continuously variable transmission.
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Riley, Michael B.; VanDyne, Ed; Brown, Jared William, Super-turbocharger having a high speed traction drive and a continuously variable transmission.
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VanDyne, Ed; Brinks, Barry T.; Riley, Michael B.; Brown, Jared William, Super-turbocharger having a high speed traction drive and a continuously variable transmission.
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Melchior ; Jean ; Andre ; Thierry, Supercharged internal combustion engines.
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Sherrill, Ryan; Holman, Sterling; VanDyne, Ed; Penfold, Wayne, Symmetrical traction drive.
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Hill Craig, Thermodynamic system and process for producing heat, refrigeration, or work.
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Sherrill, Ryan; Holman, Sterling; Brown, Jared William; Montgomery, Marc, Thrust absorbing planetary traction drive superturbo.
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Albert F. Araujo, Turbine supercharger for an internal combustion engine.
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Kobayashi Robert J. (Rancho Palos Verdes CA) Nancarrow James H. (Torrance CA) Alger Jeffrey L. (Phoenix AZ), Turbocharger combustor method.
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Daeschner John C. (Torrance CA), Turbocharger combustor system.
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Kobayashi Robert J. (Rancho Palos Verdes CA) Nancarrow James H. (Torrance CA) Alger Jeffrey L. (Phoenix AZ), Turbocharger combustor system.
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Barthelet, Pierre; Verschoor, Martin, Use of compressor to turbine bypass for electric boosting system.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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연합인증

Improvement in methods of supercharging an engine, preferably a diesel engine in such supercharged engines, and in super 원문보기

초록 ▼

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연구과제 타임라인

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Improvement in methods of supercharging an engine, preferably a diesel engine in such supercharged engines, and in super 원문보기

초록 ▼

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연구과제 타임라인

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