IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0222098
(1981-01-02)
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발명자
/ 주소 |
- Ludwig George C. (Marion SC)
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출원인 / 주소 |
- Tom McGuane Industries, Inc. (Madison Heights MI 02)
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인용정보 |
피인용 횟수 :
7 인용 특허 :
2 |
초록
▼
A fuel flow regulator for an internal combustion engine having an exhaust gas turbocharger is disclosed. The fuel flow regulator responds to intake manifold pressure. Thus the fuel flow regulator increases the maximum fuel flow to the internal combustion engine from a first maximum predetermined fue
A fuel flow regulator for an internal combustion engine having an exhaust gas turbocharger is disclosed. The fuel flow regulator responds to intake manifold pressure. Thus the fuel flow regulator increases the maximum fuel flow to the internal combustion engine from a first maximum predetermined fuel flow rate when the intake manifold pressure is at a first predetermined intake air pressure level to a second predetermined maximum fuel flow rate when the intake air manifold pressure is at a second predetermined intake air pressure level. Additionally, the fuel flow regulator decreases fuel flow to a third maximum fuel flow rate which is less than the first predetermined maximum fuel flow rate when the intake manifold pressure is greater than the second predetermined intake air pressure level. Therefore, the fuel flow regulator protects the internal combustion engine from overboost of the engine by the turbocharger and for overfueling the engine.
대표청구항
▼
A fuel flow regulating device for internal combustion engines having intake manifold means, turbocharging means, connected to said intake manifold means, for increasing pressure in said intake manifold means, fuel control means, mounted adjacent to said intake manifold means and operatively connecte
A fuel flow regulating device for internal combustion engines having intake manifold means, turbocharging means, connected to said intake manifold means, for increasing pressure in said intake manifold means, fuel control means, mounted adjacent to said intake manifold means and operatively connected to internal combustion engine, for regulating fuel flow to said internal combustion engine, governor means, connected to said fuel control means in response to a signal responsive to engine speed and engine power and operator actuating means, connected to said fuel control means, for controlling said fuel control means from first fuel flow rate to a second fuel flow rate in response to an operator signal and intake manifold pressure, said fuel flow regulating device comprising: a housing having first cylindrical body portion and second body portion mounted to said first cylindrical body portion, said first cylindrical body portion having one end, an opposite end and portions defining a cylindrical passage extending from said one end toward said opposite end, said opposite end having a web portion extending across said cylindrical passage, said web portion having a portion defining an opening centrally disposed with said cylindrical passage for flow communication therebetween, said second body portion having one end, an opposite end and portions defining a first passage extending from said one end towards said opposite end, said first passage including a first opening through said opposite end, a first counterbore adjacent to said first opening and centrally disposed therewith, a second counterbore adjacent to said first counterbore and centrally disposed therewith, said first counterbore further being larger than said first opening and interposed said first opening and said second counterbore, said second counterbore further being larger than said first counterbore and extending from said one end to said second counterbore, said housing further having portions defining a first channel extending from said cylindrical passage in said first cylindrical body portion to said second counterbore in said second body portion for flow communication therebetween, and a second channel extending from said cylindrical passage in said first cylindrical body portion to said first counterbore in said second body portion; a conduit connecting said intake manifold means to said first counterbore for flow communication therebetween; slide valve means, slidably mounted in said passage in said second body portion, for translating axially in said passage from a first predetermined axial position to a second predetermined axial position in response to increasing intake manifold pressure such that above a second predetermined intake manifold pressure, said slide valve means translates axially to said second predetermined axial position to connect said first channel with said intake manifold pressure means and such that at and below said second predetermined intake manifold pressure, said slide valve means translates axially to said first predetermined axial positions to connect said second channel with said intake manifold pressure means; fuel flow controlling means, slidably mounted in said first cylindrical passage, for controlling the maximum fuel flow rate from said fuel control means to said internal combustion engine in response to intake manifold pressure such that when said slide valve means is in said first predetermined axial position, said fuel flow controlling means increases maximum fuel flow in response to increasing intake manifold pressure from a first predetermined maximum fuel flow rate when said intake manifold is at a first predetermined intake manifold pressure, to a second predetermined maximum fuel flow rate when said intake manifold pressure is at said second predetermined intake manifold pressure and such that when said slide valve means is in said second predetermined axial position, said fuel flow controlling means decreases the fuel flow to a third predetermined maximum fuel flow rate in response to increasing manifold pressure when said intake manifold pressure above said second predetermined intake manifold pressure so as to override said governor means and to override said operator actuating means to protect said internal combustion engine from overboost of said engine by said turbocharger means.
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