Fluid sprinkling – spraying – and diffusing – Processes – Of fuel injection
Reexamination Certificate
2006-08-22
2006-08-22
Scherbel, David A. (Department: 3752)
Fluid sprinkling, spraying, and diffusing
Processes
Of fuel injection
C239S011000, C239S585100, C239S533600, C239S533900, C251S129040, C251S129180, C073S114220
Reexamination Certificate
active
07093769
ABSTRACT:
In a dynamic flow rate adjusting method, a press-fitting degree of an adjusting pipe is adjusted to regulate a load applied to a needle by a spring in a direction for closing an injection hole. Thus, a dynamic injection quantity of an injector is adjusted. An injection command signal having one-minute long pulse width is applied to the injector to measure a static flow rate, from which the press-fitting degree is calculated. Thus, the press-fitting degree, in which variation in the static flow rate is taken into consideration, can be calculated. Therefore, variation in the dynamic flow rate of each injector, which is calculated from the press-fitting degree, includes only a dynamic flow rate error, while a static flow rate error is eliminated from the variation in the dynamic flow rate.
REFERENCES:
patent: 5157967 (1992-10-01), Wieczorek
patent: 5241858 (1993-09-01), Wieczorek et al.
patent: 5301874 (1994-04-01), Vogt et al.
patent: 5383606 (1995-01-01), Stegmaier et al.
patent: 6409094 (2002-06-01), Tojo et al.
patent: 2003/0094514 (2003-05-01), Luft
patent: 2004/0011898 (2004-01-01), Luft
patent: 4211723 (1993-04-01), None
patent: 19516513 (1996-11-01), None
Surface Vehicle Recommended Practice; “Low Pressure Gasoline Fuel Injector”; SAE International; Issued Nov. 1989; Revised Feb. 2001; pp. 1-60.
DENSO Corporation
Gorman Darren
Nixon & Vanderhye P.C.
Scherbel David A.
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