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1. (EP1342911) Fuel feed system

المكتب : المكتب الأوروبي للبراءات (EPO)
رقم الطلب: 02023632 تاريخ الطلب: 18.10.2002
رقم النشر: 1342911 تاريخ النشر: 10.09.2003
نوع النشر: B1
الدول المعينّة: AL,AT,BE,BG,CH,CY,CZ,DE,DK,EE,ES,FI,FR,GB,GR,IE,IT,LI,LT,LU,LV,MC,MK,NL,PT,RO,SE,SI,SK,TR
التصنيف الدولي للبراءات:
F02M 37/00
F02D 33/00
F02M 55/00
F02M 55/02
F02M 55/04
F02M 59/36
F02M 59/44
F02M 63/00
F02M 63/02
F04B 11/00
F04B 49/24
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التصنيف التعاوني للبراءات:
F02M 37/0041
F02D 33/003
F02M 37/0047
F02M 55/04
F02M 59/366
F02M 59/44
F02M 63/0001
F02M 63/0225
F02M 2200/04
F02M 2200/24
F02M 2200/247
F02M 2200/315
F04B 11/0016
F04B 49/243
F04B 2205/01
F04B 2205/02
F04B 2205/05
المتقدمون: HITACHI LTD
HITACHI CAR ENG CO LTD
المخترعون: YAMADA HIROYUKI
USUI SATOSHI
ODAKURA HIROSHI
ONOSE TORU
SAITO ATSUJI
ABE MASAMI
بيانات الأولوية: 2002057132 04.03.2002 JP
العنوان: (DE) Brennstoffversorgungssystem
(EN) Fuel feed system
(FR) Système d'alimentation de carburant
الملخص: front page image
(EN) The invention relates to a fuel feed system capable of feeding a fuel to fuel injection valves at a fuel pressure with improved stability. A fuel feed system for an internal combustion engine including a fuel tank (50) and a low-pressure pump (51) for feeding the fuel in the, fuel tank to fuel injection valves, is provided with a diaphragm type damper (80) having a wave-shape cross section at a position in contact with the fuel. Also, in a high-pressure fuel feed pump including a pressurizing chamber (12) for pressurizing the fuel, a plunger (2) for pumping the fuel within the pressurizing chamber (12), an intake valve (5) provided at a fuel inlet (10) of the pressurizing chamber (12), a discharge valve (6) provided at a fuel outlet (11) of the pressurizing chamber (12), and a low-pressure chamber provided in an upstream of the intake valve (5), a mechanism for reducing fuel pressure pulsation is disposed in a space of the low-pressure chamber provided in the upstream of the intake valve (5), and a fuel pressure sensor (56; 90) for measuring the fuel pressure is mounted near the mechanism for reducing fuel pressure pulsation.
:نشرت أيضا باسم
US20030164161US20070107698JP2003254191