Author: claimsbot

1. A process for separating catalyst particles from a gaseous product stream comprising:
contacting a hydrocarbon feed with catalyst particles in an elongated riser to produce a gaseous product;
inducing the catalyst particles and gaseous products to swirl in an angular direction upon exiting said riser and entering a disengaging chamber to disengage catalyst particles from said gaseous product;
stripping descending catalyst particles over elongated strips in a stripping section in said disengaging chamber;
separating catalyst particles entrained with ascending product gases from said product gases;
admitting separated catalyst particles into said disengaging vessel; and
directing said descending catalyst particles over a baffle away from the outer wall of said disengaging vessel.
2. The process of claim 1 wherein said catalyst particles admitted through said passages are directed over said baffle.
3. The process of claim 1 wherein said catalyst particles are directed over said baffle at an angle to said wall.
4. The process of claim 1 wherein said catalyst particles are separated from said product gases in a reactor vessel and are admitted into said disengaging vessel through passages.
5. The process of claim 1 wherein said descending catalyst particles are stripped by an ascending gas.
6. The process of claim 1, further including directing descending catalyst particles over a baffle away from a wall of said riser extending through said disengaging vessel.
7. The process of claim 1 wherein the descending catalyst particles are directed toward the center third of the stripper section.
8. A process for separating catalyst particles from a gaseous product stream comprising:
contacting a hydrocarbon feed with catalyst particles in an elongated riser to produce a gaseous product;
inducing the catalyst particles and gaseous products to swirl in an angular direction upon exiting said riser and entering a disengaging chamber to disengage catalyst particles from said gaseous product;
stripping descending catalyst particles over elongated strips in a stripping section in said disengaging chamber;
separating catalyst particles entrained with ascending product gases in a reactor vessel;
admitting separated catalyst particles from said reactor vessel through passages into said disengaging vessel;
directing said catalyst particles admitted through said passages over a baffle away from the outer wall of said disengaging vessel; and
directing descending catalyst particles over a baffle away from a wall of said riser extending through said disengaging vessel.
9. The process of claim 8 wherein said catalyst particles are directed over said baffles at an angle to said wall.

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 device comprising:
a tube having a first portion and a second portion, the second portion having an inside diameter that is smaller than that of the first portion; and
a plunger insertable into the tube from a first portion side of the tube, the plunger having:
a tubular portion configured to fit an inner surface of the first portion; and
a rod-like portion extending from the tubular portion, the rod-like portion being configured to fit an inner surface of the second portion, wherein

either a first state or a second state is formed when the tubular portion fits the inner surface of the first portion,
in the first state, the inner surface of the second portion and the rod-like portion are spaced apart from each other so that the tube forms a communication path fluidly interconnecting an inside of the second portion with an inside of the tubular portion, and
in the second state, the inner surface of the second portion and the rod-like portion fit together so as to block the fluid communication path.
2. The device according to claim 1, wherein
in the inside of the second portion, a first plug including an oil, a second plug including an eluate not miscible with an oil, and a third plug including an oil are arranged in this order from the first portion side.
3. The device according to claim 1, further comprising a container connectable to the tubular portion, wherein
when the container is connected to the tubular portion, the inside of the tubular portion and the inside of the container are communicated with each other.
4. The device according to claim 1, comprising a plurality of the tubes and a plurality of the plungers, wherein
the plurality of plungers and the plurality of tubes form, in conjunction with each other, the first state and the second state.
5. The device according to claim 4, further comprising a manifold connectable to the tubular portions of the plurality of plungers, wherein
when the manifold is connected to the tubular portions, the insides of the tubular portions and the inside of the manifold are communicated with each other, and
the manifold has a plurality of individual passages each connected to the tubular portions, and a common passage connected to the individual passages.
6. The device according to claim 5, wherein
the volumes of the individual passages are substantially equal to each other.
7. The device according to claim 5, further comprising a container connectable to the common passage of the manifold, wherein
when the container is connected to the manifold, the inside of the manifold and the inside of the container are communicated with each other.
8. The device according to claim 1, wherein
the tubular portion has an inner cavity extending therethrough in the longitudinal direction.
9. The device according to claim 1, wherein
the rod-like portion is supported by a support so as to form an inner cavity in the tubular portion extending in the longitudinal direction.
10. The device according to claim 1, wherein
the tubular portion has a first convex portion, the first convex portion being configured to come into contact with the inner surface of the first portion.
11. The device according to claim 1, wherein
the rod-like portion has a second convex portion, the second convex portion being configured to come into contact with the inner surface of the second portion.

1. A frequency shift keying (FSK) modulator comprises:
a phase-locked loop operably coupled to generate a first oscillation from a reference oscillation;
a frequency divider module operably coupled to divide the first oscillation to produce a second oscillation;
an image-rejection mixer operably coupled to mix the second oscillation with a low intermediate oscillation data signal to produce a mixed data signal; and
a summing module operably coupled to sum the mixed data signal with the first oscillation to produce an FSK modulated signal.
2. The FSK modulator of claim 1, wherein the frequency of the first oscillation is twice the frequency of the second oscillation.
3. The FSK modulator of claim 1, wherein the frequency divider module is a divide by n module, where n is a positive whole number.
4. The FSK modulator of claim 3, wherein n=2.
5. A method for frequency shift keying (FSK) modulation, the method comprises:
generating a first oscillation;
dividing the first oscillation by a divider value to produce a second oscillation;
image-rejection mixing the second oscillation with a low intermediate frequency (IF) FSK modulated data signal to produce a mixed data signal; and
summing the mixed data signal with the first oscillation to produce an FSK modulated signal.
6. The method of claim 5, wherein the first oscillation is a 1600 MHz oscillation and wherein the second oscillation is an 800 MHz oscillation.
7. The method of claim 5, wherein dividing comprises dividing by n, where n is a positive whole number.
8. The method of claim 7, wherein n=2.
9. An apparatus for frequency shift keying (FSK) modulation, the apparatus comprises:
a processing module; and
a memory operably coupled to the processing module, wherein the memory includes operational instructions that cause the processing module to:
generate a first oscillation;
divide the first oscillation to produce a second oscillation;
image-rejection mix the second oscillation with a low intermediate oscillation data signal to produce a mixed data signal; and
sum the mixed data signal with the first oscillation to produce an FSK modulated signal.
10. The apparatus of claim 9, wherein the frequency of the first oscillation is twice the frequency of the second oscillation.
11. The apparatus of claim 9, wherein dividing comprises dividing by n, where n is a positive whole number.
12. The apparatus of claim 9, wherein n=2.

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 X-ray imaging system for imaging an object comprising:
a vacuum bell for creating a vacuum envelope in an X-ray source;
an X-ray radiation-permeable window configured to emit X-ray radiation from a plurality of spots;
a collimator located between said X-ray source and said object for projecting said X-ray radiation through said object;
an X-ray detector for measuring amount of said X-ray radiation passing through said object and striking said detector;
a second vacuum bell in contact with said vacuum bell for creating a second vacuum envelope in a second X-ray source; and
a second X-ray radiation-permeable window configured to emit X-ray radiation from a second plurality of spots.
2. The X-ray imaging system of claim 1 wherein said X-ray radiation-permeable window and said second X-ray radiation-permeable window are in contact with each other.
3. The X-ray imaging system of claim 1 wherein said plurality of spots is located less than 1 cm from an edge of said window.
4. The X-ray imaging system of claim 1 further comprising:
a bonded connection between said window and said vacuum bell.
5. The X-ray imaging system of claim 4 wherein said bonded connection is a brazed bond.
6. The X-ray imaging system of claim 4 wherein said bonded connection is an electron beam weld.
7. A computed tomography X-ray imaging system for imaging an object comprising:
a plurality of stationary X-ray sources forming a ring for producing X-ray radiation;
a rotating X-ray detector positioned within said ring for measuring amount of said X-ray radiation passing through said object and striking said detector;
a stationary collimator located between said plurality of X-ray sources and said object;
a rotating collimator located between said plurality of X-ray sources and said object with a plurality of slots.
8. The computed tomography X-ray imaging system of claim 7 wherein said stationary collimator further comprises at least ten slots.
9. The computed tomography X-ray imaging system of claim 7 wherein said stationary collimator further comprises between 10 and 50 slots.
10. The computed tomography X-ray imaging system of claim 7 wherein said rotating slot collimator spans an arc between 60 and 160 degrees.
11. The computed tomography X-ray imaging system of claim 7 wherein said stationary collimator further comprises metal rings.
12. The computed tomography X-ray imaging system of claim 7 further comprising:
cooling water coupled to an X-ray target for removing heat generated by said X-ray target.
13. The computed tomography X-ray imaging system of claim 7 wherein said stationary collimator further comprises at least ten slots perpendicular to said plurality of slots.
14. The computed tomography X-ray imaging system of claim 7 further comprising a sensor for monitoring velocity of said rotating collimator.
15. The computed tomography X-ray imaging system of claim 7 wherein said plurality of X-ray sources operate at full power for at least one hour.
16. A method of aligning an X-ray beam in an X-ray imaging system comprising:
establishing a position of said X-ray beam with respect to a moving collimator at a plurality of time points;
navigating said X-ray beam to a calculated position of a hole in said collimator; and
correcting alignment of said X-ray beam based on location of said X-ray beam on said detector.
17. The method of claim 16 further comprising:
aborting said X-ray beam if said X-ray beam is not aligned.
18. The method of claim 16 further comprising:
determining centroid position of said X-ray beam on said detector; and
comparing said centroid position with a calculated centroid position for said X-ray beam.
19. The method of claim 16 further comprising:
monitoring velocity of said collimator.
20. The method of claim 16 further comprising:
calculating position of said detector based on said velocity and an initial position of said collimator.