1. A method for filtering program service name (\u201cPSN\u201d) data, the method comprising the steps of:
receiving a signal from a wireless source, the signal having PSN data;
determining if the PSN data is a dynamic PSN, a static PSN or a slowly updated PSN; and
not displaying the PSN data on a display of the device if the PSN data is a dynamic PSN and displaying the PSN data on a display device if the PSN data is a static PSN.
2. The method of claim 1, wherein the step of determining if the PSN data is a dynamic PSN, a static PSN or a slowly updated PSN further comprising the step of:
receiving a first PSN from the wireless source;
determining the amount of time needed to receive the first PSN from the wireless source; and
not displaying the PSN data on a display of the device if the amount of time needed to receive the first PSN data from the wireless source was less than a threshold time and displaying the PSN data on the display device if the amount of time need to receive the first PSN from the wireless source is greater than the threshold time.
3. The method of claim 2, wherein the threshold time is about 2.5 seconds.
4. The method of claim 1, further comprising the steps of:
receiving a new PSN;
determining if the new PSN is the same as a previously collected PSN;
calculating the time difference between receiving the new PSN and the previously collected PSN if the new PSN is not the same as the previously collected PSN; and
displaying the PSN data on the display device if the time difference between receiving the new PSN and the previously collected PSN is less than a PSN change time threshold.
5. The method of claim 4, wherein the PSN time change threshold is about 6 seconds.
6. The method of claim 4, wherein the calculating step is repeated to prevent a false positive error from occurring.
7. The method of claim 6, wherein the calculating step is repeated three times.
8. The method of claim 1, further comprising the step of displaying blank characters on the display device if the PSN data is not a static PSN or a slowly updated PSN.
9. The method of claim 8, wherein the blank characters are a plurality of spaces.
10. The method of claim 8, further comprising the step of storing the PSN data for later use.
11. A method for filtering program service name (\u201cPSN\u201d) data, the method comprising the steps of:
receiving a signal from a wireless source, the signal having PSN data and being a first PSN;
determining if the first PSN is a static PSN by determining if the amount of time needed to receive the first PSN from the wireless source is greater than a threshold time;
displaying the PSN data on the display device if the amount of time need to receive the first PSN from the wireless source is greater than a threshold time
determining if the first PSN is a slowly updated PSN by receiving a new PSN and determining if the new PSN is the same as the first PSN for a period exceeding a validation time; and
displaying the PSN data on the display device if the new PSN is the same as the first PSN for a period exceeding a validation time.
12. The method of claim 11, wherein the validation time is about 6 seconds.
13. A system for filtering Program Service Name (\u201cPSN\u201d) data, the system comprising:
a processor;
an antenna in communication with the processor;
a display device in communication with the processor; and
a memory unit in communication with the processor, wherein the memory unit contains instructions executable by the processor to configure the processor to receive a signal having PSN data from a wireless source via the antenna, to determine if the PSN data is a dynamic PSN, a static PSN or a slowly updated PSN, and to not display the PSN data on the display device, if the PSN data is a dynamic PSN and to display the PSN data on the display device if the PSN data is a static PSN or a slowly updated PSN.
14. The system of claim 13, wherein the system is a distributed system.
15. The system of claim 13, wherein the system is installed in an automobile.
16. The system of claim 13, wherein the instructions further configure the processor to receive a first PSN from the wireless source, to determine the amount of time needed to receive the first PSN from the wireless source, and to not display the PSN data on the display device if the amount of time needed to receive the first PSN from the wireless source is less than a threshold time, and to display the PSN data on the display device if the amount of time needed to receive the first PSN from the wireless source is greater than the threshold time.
17. The system of claim 16, wherein the threshold time is about 2.5 seconds.
18. The system of claim 16, wherein the instruction further configure the processor to receive a new PSN message, determine if the new PSN message is the same as the first PSN, and display the PSN data on the display device if the new PSN message is the same as the first PSN message for a period exceeding a validation time.
19. The system of claim 18, wherein the validation time is about 6 seconds.
20. The system of claim 13, wherein the instructions further configure the processor to receive a new PSN, determine if the new PSN is the same as a previously collected PSN, calculate the time difference between receiving the new PSN and the previously collected PSN if the new PSN is not the same as the previously collected PSN, and display the PSN data on the display device if the time difference between receiving the new PSN and the previously collected PSN is less than a PSN change time threshold.
21. The system of claim 20, wherein the PSN time change threshold is about 6 seconds.
22. The system of claim 20, wherein the instructions further configure the processor to repeat calculating the time difference between receiving the new PSN and the previously collected PSN if the new PSN is not the same as the previously collected PSN to prevent a false positive error from occurring.
23. The system of claim 13, wherein the instructions configure the processor to display blank characters on the display device if the PSN data is not a static PSN or a slowly updated PSN.
24. The system of claim 23, wherein the blank characters are a plurality of spaces.
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 fuel injection system for an internal combustion engine, comprising:
a fuel injection device;
a fuel injection port formed in a front end portion of the fuel injection device;
a fuel passage through which fuel supplied from an outside of the fuel injection device flows close to the fuel injection port and is then discharged to the outside of the fuel injection device; and
a fuel injection valve that permits communication between the fuel passage and the fuel injection port to inject part of the fuel flowing through the fuel passage.
2. The fuel injection system for an internal combustion engine, according to claim 1, wherein
an outer face of the front end portion of the fuel injection device is fixed to a body of an internal combustion engine via a fitting seal, and
the fuel passage extends, beyond the fitting seal, to a position close to a front end of the fuel injection device.
3. The fuel injection system for an internal combustion engine, according to claim 1, wherein
the fuel passage includes:
an inner passage that is formed inside the fuel injection valve by forming the injection valve in a hollow shape;
an outer passage that is formed around the fuel injection valve; and
a communication hole that is formed in a front end portion of the fuel injection valve, and that permits communication between the inner passage and the outer passage.
4. The fuel injection system for an internal combustion engine according to claim 3, wherein
a plurality of the communication holes are formed at regular intervals in a circumferential direction.
5. The fuel injection system for an internal combustion engine according to claim 3, wherein
a plurality of the outer passages are formed at regular intervals in a circumferential direction.
6. The fuel injection system for an internal combustion engine according to claim 3, wherein
the outer passage is inclined with respect to an axis of the fuel injection device.
7. The fuel injection system for an internal combustion engine according to claim 1, wherein
the fuel passage includes:
an outer passage formed around the fuel injection valve;
a discharge passage through which the fuel is discharged from the fuel injection device; and
a passage that is formed in the front end portion of the fuel injection device, and that permits communication between the outer passage and the discharge passage.
8. The fuel injection system for an internal combustion engine according to claim 1, further comprising:
a fuel injection valve moving device that is used to move the fuel injection valve; wherein
a force is applied from a force application member to the fuel injection valve such that communication between the fuel passage and the fuel injection port is blocked,
the communication between the fuel passage and the fuel injection port is permitted by moving the fuel injection valve using fuel injection valve moving device, and
the fuel passage is formed so as to pass through the fuel injection valve moving device.
9. The fuel injection system for an internal combustion engine according to claim 8, wherein
the fuel injection valve moving device includes:
a magnetic pipe;
a core that is fixed to an inner face of the magnetic pipe;
an armature that is arranged in series with the core, that is connected to a base end portion of the fuel injection valve, and that is supported by the inner face of the magnetic pipe so as to be movable in an axial direction of the fuel injection device; and
a coil which is arranged around the magnetic pipe, and to which electric power is supplied.
10. The fuel injection system for an internal combustion engine according to claim 9, wherein
the fuel passage is formed inside the core and the armature so as to pass through the core and the armature, and formed along outer faces of the core and the armature.
11. The fuel injection system for an internal combustion engine according to claim 10, wherein
the fuel passage is formed by forming notches, which extend in the axial direction of the fuel injection device, in the outer faces of the core and the armature.
12. The fuel injection system for an internal combustion engine according to claim 11, wherein
a communication groove, which permits communication between the notch formed in the outer face of the core and the notch formed in the outer face of the armature, is formed in the core or the armature.
13. The fuel injection system for an internal combustion engine according to claim 10, further comprising:
a rotation restricting device that restricts rotation of the armature.
14. The fuel injection system for an internal combustion engine according to claim 9, wherein
the fuel passage is formed inside the core and the armature so as to pass through the core and the armature, and formed along the inner face of the magnetic pipe.
15. The fuel injection system for an internal combustion engine according to claim 9, wherein
the fuel passage is formed at a position corresponding to a terminal portion of the coil.
16. The fuel injection system for an internal combustion engine according to claim 9, wherein
a fuel seal, which prevents a fuel leak, is arranged between the core and the armature.
17. The fuel injection system for an internal combustion engine according to claim 16, wherein
the fuel seal is an elastic portion that is supported by at least the core.
18. The fuel injection system for an internal combustion engine according to claim 1, wherein
the fuel is supplied to a delivery pipe through one of end portions of the delivery pipe,
the fuel is discharged from the delivery pipe through the other end portion of the delivery pipe, and
each of a fuel-supply-side end portion and a fuel-discharge-side end portion of the fuel passage is connected to the delivery pipe.
19. The fuel injection system for an internal combustion engine according to claim 18, further comprising:
a partition wall that partitions an internal space within the delivery pipe into a first chamber and a second chamber, wherein
the fuel is supplied to the first chamber,
the fuel is discharged from the second chamber, and
the fuel-supply-side end portion of the fuel passage is connected to the first chamber, and the fuel-discharge-side end portion of the fuel passage is connected to the second chamber.
20. The fuel injection system for an internal combustion engine according to claim 19, wherein
the fuel-supply-side end portion of the fuel passage is connected to a flange portion of the first chamber via a shaft seal, and
the fuel-discharge-side end portion of the fuel passage is connected to the second chamber via an area seal.
21. The fuel injection system for an internal combustion engine according to claim 18, wherein
the fuel-supply-side end portion opens into the delivery pipe so as to face an upstream side of the delivery pipe in which the fuel flows.
22. The fuel injection system for an internal combustion engine according to claim 18, wherein
an amount of fuel flowing through the fuel passage during circulation in the fuel injection system is adjusted based on an amount of fuel discharged by a fuel pump, which supplies the fuel to the delivery pipe, or a set pressure at which a relief valve, which discharges the fuel from the delivery pipe, opens.
23. The fuel injection system for an internal combustion engine according to claim 18, further comprising:
a fuel cooling device that is arranged in a fuel discharge passage through which the fuel discharged from the delivery pipe flows, and that cools the fuel.
24. The fuel injection system for an internal combustion engine according to claim 18, wherein
a fuel pump is arranged in a fuel supply line through which the fuel is supplied to the delivery pipe, and
a fuel discharge line, through which the fuel discharged from the delivery pipe is returned to an intake port of the fuel pump, is formed.
25. The fuel injection system for an internal combustion engine according to claim 18, wherein,
a fuel pump is arranged in a fuel supply line through which the fuel is supplied to the delivery pipe,
a first fuel discharge line through which the fuel discharged from the delivery pipe is returned to a fuel tank, and a second fuel discharge line through which the fuel is returned to an intake port of the fuel pump are formed, and
the fuel discharge line, through which the fuel discharged from the delivery pipe is returned, is switched between the first fuel discharge line and the second fuel discharge line based on an operating state of an internal combustion engine.
26. The fuel injection system for an internal combustion engine according to claim 18, wherein
a high-pressure fuel injection system that is used to inject the fuel into a combustion chamber is provided,
the high-pressure fuel injection system includes a low-pressure feed pump and a high-pressure pump, and
at least at a start time of an internal combustion engine, the high-pressure pump is stopped and the fuel is caused to flow through the fuel passage in the high-pressure fuel injection system by the low-pressure feed pump.
27. The fuel injection system for an internal combustion engine according to claim 26, further comprising:
a fuel discharge line, through which the fuel discharged from the low-pressure fuel injection system and the high-pressure fuel injection system is returned to an intake port of the low-pressure feed pump.
28. The fuel injection system for an internal combustion engine according to claim 18, wherein
a low-pressure fuel injection system that is used to inject the fuel to an intake port and a high-pressure fuel injection system that is used to inject the fuel into a combustion chamber are provided,
a low-pressure feed pump that supplies low-pressure fuel to the low-pressure fuel injection system is provided in the low-pressure fuel injection system,
a high-pressure pump that supplies high-pressure fuel to the high-pressure fuel injection system is provided, and
when the high-pressure fuel injection system is stopped, the fuel is caused to flow through the fuel passage in the low-pressure fuel injection system and the fuel passage in the high-pressure fuel injection system by the low-pressure feed pump.
29. The fuel injection system for an internal combustion engine according to claim 28, further comprising:
a fuel discharge line, through which the fuel discharged from the low-pressure fuel injection system and the high-pressure fuel injection system, is returned to an intake port of the low-pressure feed pump.
30. The fuel injection system for an internal combustion engine according to claim 1, wherein
a base end portion of the fuel injection device is connected to a delivery pipe from which the fuel is supplied to the fuel passage, and to which the fuel is discharged from the fuel passage,
the fuel is supplied to the fuel passage through one of an outer peripheral portion and an end portion of the fuel injection device, and the fuel is discharged from the fuel passage through the other of the outer peripheral portion and the end portion of the fuel injection device, and
filters are arranged at the outer peripheral portion and the end portion of the fuel injection device.
31. The fuel injection system for an internal combustion engine according to claim 30, wherein
the filters are arranged so as to cover a fuel-supply-side end portion and a fuel-discharge-side end portion of the fuel passage.
32. The fuel injection system for an internal combustion engine according to claim 1, wherein
an amount of heat received by the front end portion of the fuel injection device is estimated based on an operating state of an internal combustion engine, and a fuel circulation amount is adjusted based on the estimated amount of heat received by the front end portion of the fuel injection device.
33. The fuel injection system for an internal combustion engine according to claim 1, wherein
a temperature of the front end portion of the fuel injection device is estimated, and the fuel is caused to flow through the fuel passage until the estimated temperature is equal to or lower than a predetermined temperature.