1. A fuel injection valve for an internal combustion engine, wherein an inside wall of a nozzle hole through which fuel is injected into one of a combustion chamber and an intake port of the internal combustion engine is coated with a composite coating formed of a lipophilic portion and an oil repelling portion which are finely interspersed on the nano order.
2. The fuel injection valve for an internal combustion engine according to claim 1, wherein the lipophilic portion is formed of at least one of PES, organic silicon and TiO2, and the oil repelling portion is formed of at least one of FEP, CE (fluorocarbon), and PTFE.
3. The fuel injection valve for an internal combustion engine according to claim 2, wherein the lipophilic portion is formed of PES and the oil repelling portion is formed of FEP.
4. The fuel injection valve for an internal combustion engine according to claim 1, wherein the composite coating is formed having a thickness of approximately 2 to 5 \u03bcm.
5. A method for forming a fuel injection valve for an internal combustion engine, comprising the steps of:
coating an inside wall of a nozzle hole through which fuel is injected into one of a combustion chamber and an intake port of the internal combustion engine with a PESFEP mixed solution;
primary firing the inside wall; and
secondary firing the inside wall which has been primary fired.
6. The method for forming a fuel injection valve for an internal combustion engine according to claim 5, wherein the PESFEP mixed solution has a PESFEP ratio of 70:30, the primary firing is performed for 30 minutes at 180 degrees Celsius, and the secondary firing is performed for 30 minutes at 350 degrees Celsius.
7. A fuel injection valve for an internal combustion engine, wherein an inside wall of a nozzle hole through which fuel is injected into one of a combustion chamber and an intake port of the internal combustion engine is formed by multiple grooves extending in the fuel jet direction and flat portions between these grooves, and inside walls of the grooves are coated with an oil repellant coating and the flat portions are coated with a lipophilic coating.
8. The fuel injection valve for an internal combustion engine according to claim 7, wherein the lipophilic portion is formed of at least one of PES, organic silicon and TiO2, and the oil repelling portion is formed of at least one of FEP, CE (fluorocarbon), and PTFE.
9. The fuel injection valve for an internal combustion engine according to claim 8, wherein the oil repelling portion is formed of FEP and the lipophilic portion is formed of PES.
10. The fuel injection valve for an internal combustion engine according to claim 7, wherein the nozzle hole has a diameter of approximately 0.2 mm and the grooves have depths of approximately 30 \u03bcm and widths of approximately 30 \u03bcm.
11. A fuel injection valve for an internal combustion engine, comprising:
a needle valve; and
a valve body having a nozzle hole for injecting fuel into one of a combustion chamber and an intake port of the internal combustion engine, wherein an inside wall of the nozzle hole is coated with a composite coating formed by a lipophilic portion and an oil repelling portion which are finely interspersed on the nano order.
12. A fuel injection valve for an internal combustion engine, comprising:
a needle valve; and
a valve body having a nozzle hole for injecting fuel into one of a combustion chamber and an intake port of the internal combustion engine, wherein an inside wall of the nozzle hole is formed by multiple grooves extending in the fuel jet direction and flat portions between these grooves, and inside walls of the grooves are coated with an oil repellant coating and the flat portions are coated with a lipophilic coating.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A test and measurement instrument, comprising:
acquisition circuitry configured to acquire a plurality of data signals;
a plurality of word recognizer elements, each word recognizer element configured to compare a corresponding one of the data signals with a desired data bit and each word recognizer element having a delay less than or equal to about one gate delay;
logic circuitry to combine outputs of the word recognizer elements; and
trigger circuitry responsive to the logic circuitry; and
further comprising:
a controller configured to generate a plurality of first control signals and a plurality of second control signals;
wherein:
each word recognizer element is responsive to a corresponding one of the first control signals and a corresponding one of the second control signals; and
for each word recognizer element, the corresponding first control signal is a logical combination of the corresponding desired data bit and a corresponding do-not-care signal, and the corresponding second control signal is a logical combination of an inverted version of the corresponding desired data bit and the corresponding do-not-care signal.
2. The test and measurement instrument of claim 1, further comprising:
controller being configured to generate a plurality of skew control voltages;
wherein for each word recognizer element, a delay of the word recognizer element is responsive to a corresponding one of the skew control voltages.