发明名称 |
POPPET COVERED ORIFICE FUEL INJECTION NOZZLE |
摘要 |
<p>POPPET COVERED ORIFICE FUEL INJECTION NOZZLE A poppet covered orifice fuel injector nozzle for use in a direct injection type diesel engine has a spray tip with a spring biased poppet valve journaled for reciprocable movement therein, the lower reduced diameter free end of the spray tip and the head of the poppet valve having opposed frusto-conical valve seat surfaces with a differential angle of about 2.degree. so that seating engagement occurs at the outer peripheral edges thereof. The poppet valve has a fuel supply passage extending through the stem thereof for flow communication with a plurality of circumferentially spaced apart radial orifices that are inclined and located so as to discharge fuel parallel to and directly across the valve seat surface of the poppet valve.</p> |
申请公布号 |
CA1269003(A) |
申请公布日期 |
1990.05.15 |
申请号 |
CA19860507580 |
申请日期 |
1986.04.25 |
申请人 |
GENERAL MOTORS CORPORATION |
发明人 |
SCZOMAK, DAVID P. |
分类号 |
F02B3/06;F02M61/04;F02M61/08;F02M61/16;F02M61/18;(IPC1-7):F02M61/08 |
主分类号 |
F02B3/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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