Injection and exhaust-brake system for an internal combustion engine having several cylinders
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F02D-037/00
출원번호
US-0579040
(1995-12-19)
우선권정보
DE-0040549 (1995-10-31)
발명자
/ 주소
Eisenbacher Egon,DEX
Unger Manfred,DEX
출원인 / 주소
Mannesmann Rexroth GmbH, DEX
대리인 / 주소
Farber
인용정보
피인용 횟수 :
20인용 특허 :
0
초록▼
An injection system for an internal combustion engine having a plurality of cylinders is known which has a hydraulic pump with a delivery outlet to which a delivery line common to the cylinders is connected, and a plurality of injection units each of which is associated with a different cylinder and
An injection system for an internal combustion engine having a plurality of cylinders is known which has a hydraulic pump with a delivery outlet to which a delivery line common to the cylinders is connected, and a plurality of injection units each of which is associated with a different cylinder and, in normal drive operation, can be controlled pulsewise by connection with the delivery line. There is also known an exhaust-brake system having a plurality of decompression valves each of which is associated with a different cylinder and, in brake operation, can be controlled pulsewise outside the exhaust stroke, in particular at the end of the compression stroke, by alternate pressure action on and pressure relief of the hydraulic actuating element. The purpose is to create a system with which, at little expense and at favorable cost, the "injection" and "exhaust-brake" functions can be satisfied. This is achieved by a plurality of valve arrangements, each of which is associated with a different cylinder and in normal drive operation connects the injection unit and the in brake operation the hydraulic actuating element on the corresponding cylinder, with proper timing, to the delivery line.
대표청구항▼
[ We claim:] [1.] An injection and exhaust-brake system for an internal combustion engine having a plurality of cylinders, in particular for a diesel engine, having a hydraulic pump with a delivery outlet to which a delivery line which is common to the cylinders is connected, having a plurality of i
[ We claim:] [1.] An injection and exhaust-brake system for an internal combustion engine having a plurality of cylinders, in particular for a diesel engine, having a hydraulic pump with a delivery outlet to which a delivery line which is common to the cylinders is connected, having a plurality of injection units, each of which is associated with a different one of said cylinders and, in normal drive operation, can be controlled pulsewise by connection with the delivery line, and having several decompression valves each of which is associated with another cylinder and, in brake operation, aside from the exhaust stroke and particularly at the end of the compression stroke, can be controlled pulsewise by varying pressure action on and pressure relief of a hydraulic actuating element, further comprising a plurality of valve arrangements each of which is associated with a different cylinder and, in normal drive operation, connects the injection unit and, in the brake operation, the hydraulic actuating element on the corresponding cylinder, with proper timing, to the delivery line, wherein; an injection unit comprises an injection nozzle and a pressure booster arranged upstream of the injection nozzle; a fuel pump by which fuel can be conveyed to a secondary side of the pressure booster; and via servo-valves, a primary side of the pressure booster can be acted on by pressure in the normal drive operation and the actuating elements can be acted on by pressure in the brake operation.
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이 특허를 인용한 특허 (20)
Weber,James R.; Leman,Scott A.; Coleman,Gerald N.; Duffy,Kevin P.; Fluga,Eric C.; Kilkenny,Jonathan P.; Afjeh,Homa, Air and fuel supply system for a combustion engine.
Coleman,Gerald N.; Duffy,Kevin P.; Faulkner,Stephen A.; Fluga,Eric C.; Kilkenny,Jonathan P.; Leman,Scott A.; Opris,Cornelius N.; Verkiel,Maarten; Weber,James R., Air and fuel supply system for combustion engine.
Shafer,Scott F.; Stockner,Alan R., Linear control valve for controlling a fuel injector and engine compression release brake actuator and engine using same.
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