1. A system for blending gasoline and butane comprising:
a tank of gasoline;
a tank of butane;
a blending unit downstream of and in fluid connection with the tank of gasoline and the tank of butane; and
a rack downstream of and in fluid connection with the blending unit, wherein the rack is adapted to dispense gasoline to a gasoline transport vehicle.
2. The system of claim 1 further comprising a process control unit, wherein the process control unit generates a ratio input signal that controls the ratio of butane and gasoline blended by the blending unit.
3. The system of claim 1 further comprises
a gasoline vapor pressure sensor operable for measuring the vapor pressure of gasoline upstream of the blending unit; and
a butane vapor pressure sensor operable for measuring the vapor pressure of butane upstream of the blending unit.
4. The system of claim 3 further comprising a process control unit operable for
receiving the measured gasoline vapor pressure from the gasoline vapor pressure sensor;
receiving the measured butane vapor pressure from the butane vapor pressure sensor; and
calculating a ratio for blending the gasoline and the butane from the measured gasoline vapor pressure and the measured butane vapor pressure.
5. A method for blending gasoline and butane comprising:
drawing a gasoline stream from a tank of gasoline;
drawing a butane stream from a tank of butane;
blending the butane stream and the gasoline stream to form a blend; and
dispensing the blend to gasoline transport vehicles using a rack.
6. The method of claim 5, further comprising the steps of:
determining a blend ratio of the butane and gasoline streams that will yield a desired vapor pressure; and
blending the gasoline stream and butane stream at the blend ratio.
7. The method of claim 6, wherein the blend ratio is determined from a vapor pressure of the gasoline stream and a vapor pressure of the butane stream.
8. The method of claim 5, wherein a vapor pressure of the gasoline stream and a vapor pressure of the butane stream are determined by:
drawing a sample of gasoline from the gasoline stream;
measuring the vapor pressure of the sample of gasoline;
drawing a sample of butane from the butane stream; and
measuring the vapor pressure of the sample of butane.
9. The method of claim 5, further comprising the steps of:
measuring the vapor pressure of the blend; and
generating a report of the vapor pressure of the blend.
10. A system for blending gasoline and a volatility modifying agent comprising:
a tank of gasoline;
a tank of the volatility modifying agent;
a blending unit downstream of and in fluid connection with the tank of gasoline and the tank of the volatility modifying agent; and
a rack downstream of and in fluid connection with the blending unit, wherein the rack is adapted to dispense gasoline to a gasoline transport vehicle.
11. The system of claim 10 further comprising a process control unit, wherein the process control unit generates a ratio input signal that controls the ratio of the volatility modifying agent and the gasoline blended by the blending unit.
12. The system of claim 11 wherein the ratio input signal is derived from a calculation of the ratio of the volatility modifying agent and the gasoline that will yield a desired vapor pressure.
13. A method for blending gasoline and a volatility modifying agent comprising:
drawing a gasoline stream from a tank of gasoline;
drawing a volatility modifying agent stream from a tank of the volatility modifying agent;
blending the volatility modifying agent stream and the gasoline stream to form a blend; and
dispensing the blend to a gasoline transport vehicle at a rack.
14. The method of claim 13, further comprising:
determining a blend ratio of the volatility modifying agent stream and the gasoline stream that will yield a desired vapor pressure; and
blending the volatility modifying agent stream and the gasoline stream at the blend ratio.
15. The method of claim 14, wherein the blend ratio is determined from a vapor pressure of the gasoline stream and a vapor pressure of the volatility modifying agent stream.
16. The method of claim 13, further comprising the steps of:
determining the volatility of the blend; and
generating a report comprising the volatility of the blend.
17. A computer-implemented method for blending a butane stream with a gasoline stream comprising the steps of:
receiving a first measurement indicating a vapor pressure of the gasoline stream;
receiving a second measurement indicating a vapor pressure of the butane stream;
calculating a blend rate at which the butane stream can be blended with a gasoline stream; and
transmitting an instruction to a programmable logic controller for adjusting the butane stream to the calculated blend rate for blending with the gasoline stream and distributing at a rack.
18. The computer-implemented method of claim 17, wherein the blend rate is based on a predetermined vapor pressure for the blended gasoline and butane.
19. The computer-implemented method of claim 17, wherein the blend rate is associated with the rack that distributes the blended gasoline stream and butane stream.
20. The computer-implemented method of claim 17, wherein the blend rate is stored to generate a report of butane consumption.
21. The computer-implemented method of claim 17, wherein the blend rate is used to predict butane consumption over a period of time.
22. The computer-implemented method of claim 17, further comprising the steps of:
receiving a third measurement indicating a vapor pressure of the blend of the gasoline stream and the butane stream; and
generating a report comprising the third measurement.
23. A computer-readable medium having computer-executable instructions for performing the steps recited in claim 17.
24. A computer-implemented method for blending a volatility modifier stream and a gasoline stream comprising the steps of:
receiving a first measurement indicating a vapor pressure of the gasoline stream;
receiving a second measurement indicating a vapor pressure of the volatility modifier stream;
calculating a blend rate at which the volatility modifier stream can be blended with the gasoline stream; and
transmitting an instruction to a programmable logic controller for adjusting the volatility modifier stream to the calculated blend rate for blending with the gasoline stream and distributing at a rack.
25. The computer-implemented method of claim 24, wherein the blend rate is based on a predetermined vapor pressure for the blended gasoline and volatility modifier.
26. The computer-implemented method of claim 24, wherein the blend rate is associated with the rack that distributes the blended gasoline and volatility modifier.
27. The computer-implemented method of claim 24, wherein the blend rate is stored to generate a report of volatility modifier consumption.
28. The computer-implemented method of claim 24, wherein the blend rate is used to predict consumption of the volatility modifier over a period of time.
29. The computer-implemented method of claim 24, further comprising the step of receiving a third measurement indicating a vapor pressure of the blend of the gasoline stream and the volatility modifier stream.
30. A computer-readable medium having computer-executable instructions for performing the steps recited in claim 24.
31. A computer-implemented method for blending a butane stream and a gasoline stream comprising the steps of:
receiving a first measurement indicating a vapor pressure of the gasoline stream;
calculating a blend rate at which the butane stream can be blended with the gasoline stream;
transmitting an instruction to a programmable logic controller for adjusting the butane stream to the calculated blend rate for blending with the gasoline stream and distributing at a rack; and
receiving a second measurement indicating a vapor pressure of the blended gasoline stream and butane stream.
32. The computer-implemented method of claim 31, further comprising the step of generating a report comprising the second measurement.
33. The computer-implemented method of claim 32, wherein the report further comprises the first measurement.
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. An electrical junction box for connecting to a vehicle body side support member, the electrical junction box comprising:
an electrical junction box main body having an upper surface;
a bolt connecting section provided on the upper surface of the electrical junction box main body;
an external wiring having a terminal fitting fastened to and fixed on the bolt connecting section; and
a bracket incorporated in the electrical junction box main body for attaching the main body to the vehicle body side support member,
wherein the bracket includes
an L-shaped base plate section having a flat lateral plate portion that extends along the vehicle body side support member, and
a projecting plate portion that is bent from one end of the lateral plate portion in its longitudinal direction and protrudes in a direction apart from the vehicle body side support member, and
wherein the lateral plate portion and projecting plate portion are each provided with latch portions for securing the bracket to the electrical junction box main body, the latch portion of the lateral plate portion of the bracket being positioned on one side of the electrical junction box main body beyond the bolt connecting section in a longitudinal direction of the lateral plate portion, and the latch portion of the projecting plate portion of the bracket being disposed on an other side of said electrical junction box main body.
2. An electrical junction box according to claim 1, further comprising:
engaging sections that are open downward, and under the condition that the electrical junction box main body is attached to the bracket from an upper side, the latch portions of the bracket are inserted into and secured to the engaging sections of the electrical junction box main body.
3. An electrical junction box for connecting to a vehicle body side support member, the electrical junction box comprising:
an electrical junction box main body having an upper surface;
a bolt connecting section provided on the upper surface of the electrical junction box main body;
an external wiring having a terminal fitting fastened to and fixed on said bolt connecting section; and
a bracket incorporated in the electrical junction box main body for attaching the main body to the vehicle body side support member,
the bracket having a lateral plate portion and a projecting plate portion, the lateral plate portion and projecting plate portion are each provided with latch portions for securing the bracket to the electrical junction box main body, the latch portion of the lateral plate portion of the bracket being positioned on one side of the electrical junction box main body beyond the bolt connecting section in a longitudinal direction of the lateral plate portion, and the latch portion of the projecting plate portion of the bracket being disposed on an other side of said electrical junction box main body.
4. An electrical junction box according to claim 3, wherein the lateral plate portion includes two latch projecting pieces that are spaced apart from each other in a longitudinal direction, the two latch projecting pieces protruding in a same direction from the lateral plate portion, one of the latch projection pieces is provided on one end of the lateral plate portion and the other latch projecting piece is provided at a center of the lateral plate portion.
5. An electrical junction box according to claim 4, wherein each of the latch projecting pieces include an aperture.