1. A shielded, low-noise, high-voltage power supply, comprising:
a plurality of voltage multipliers, each having a toroidal transformer, and collectively producing a DC output voltage from an AC voltage;
a main conductor for carrying the AC voltage, positioned proximate each toroidal transformer of the plurality of voltage multipliers;
a conductive shell conductively connected to the main conductor, and substantially enclosing the plurality of voltage multipliers and the main conductor, the conductive shell providing a return path for the AC voltage in the main conductor and providing EMI shielding of the voltage multipliers and the main conductor.
2. The power supply of claim 1, further comprising an insulating potting material surrounding the main conductor and the voltage multipliers.
3. The power supply of claim 2, wherein the main conductor is unsheathed.
4. The power supply of claim 1, wherein the main conductor is about \xbc inches in diameter.
5. The power supply of claim 1, further comprising:
an AC drive circuit for producing the AC voltage; and
an intermediate transformer, positioned between the AC drive circuit and the main conductor, for conditioning the AC voltage prior to its application to the main conductor, and for isolating the main conductor from the AC drive circuit.
6. The power supply of claim 5, wherein the intermediate transformer is positioned on a board forming part of the conductive shell, and proximate one end of the main conductor.
7. The power supply of claim 1, wherein the conductive shell is grounded.
8. The power supply of claim 1, wherein the conductive shell comprises an exterior housing of the power supply.
9. The power supply of claim 1, wherein the conductive shell comprises a layer positioned inside of an exterior housing of the power supply.
10. An x-ray analysis engine in combination with the power supply of claim 1, the x-ray analysis engine having an x-ray source connected to the power supply.
11. The combination of claim 10, further comprising at least one x-ray optic disposed in an x-ray excitation andor detection path, requiring alignment to a focal spot.
12. The combination of claim 11, wherein the at least one x-ray optic comprises a curved monochromating optic or a polycapillary optic.
13. The combination of claim 10, comprising a detector which requires EMI shielding from components within the power supply.
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 multi-ratio transmission system with parallel vertical and coaxial planet gears, comprising:
a plurality of planet gear sub-systems, being coaxially disposed in series along a first axis, each of said planet gear sub-system comprising:
a sun gear, being coaxially disposed along said first axis, wherein said sun gear rotates around said first axis optionally; and
at least one planet gear, being coaxially disposed along a second axis which is vertical to said first axis, wherein said at least one planet gear rotates around said second axis;
a coupling assembly disposed between every two adjacent said planet gear sub-systems so as to transmit rotation of said planet gear of the former said planet gear sub-system to said planet gear of the latter said planet gear sub-system;
a setting element disposed corresponding to each of said planet gear sub-systems, wherein said setting element optionally moves in the direction of said first axis so as to optionally engage with said sun gear of said planet gear sub-system;
a setting element controller, having a hollowed tube disposed coaxially with said first axis to rotate around said first axis within a range of predetermined angles, wherein said hollowed tube has an outer circumferential surface, and a cam groove is formed on said outer circumferential surface in the circumferential direction corresponding to each of said setting element of said planet gear sub-system, thereby allowing said setting element to optionally move along said first axis and to optionally engage with said sun gears of said planet gear sub-systems;
an annular gear engaged to said planet gear of at least one of said planet gear sub-system, wherein said annular gear is installed onto a one-way clutch;
a cylindrical casing enclosing said planet gear sub-systems, wherein said annular gear is secured at a front end of said cylindrical casing;
a sprocket, installed onto said one-way clutch, wherein an external transmission system is connected with said sprocket to drive said planet gear sub-systems to rotate through said one-way clutch and said annular gear; and
a central axle, being disposed coaxially with said first axis, wherein said central axle is inserted into a center through hole of said hollowed tube of said setting element controller by relative rotation, thereby enabling said hollowed tube to rotate around said central axle.
2. The multi-ratio transmission system with parallel vertical and coaxial planet gears according to claim 1, wherein said second axes of said planet gears of said planet gear sub-systems are configured to be parallel to one another.
3. The multi-ratio transmission system with parallel vertical and coaxial planet gears according to claim 1, wherein said sun gear of each of said planet gear sub-systems includes an outer gear, which is a bevel gear, and said planet gear of each said planet gear sub-system is a bevel gear engaging with said outer gear of said sun gear.
4. The multi-ratio transmission system with parallel vertical and coaxial planet gears according to claim 3, wherein said sun gear further includes an inner gear, and said setting element is a crown gear, which optionally engages with said inner gear of said sun gear.
5. The multi-ratio transmission system with parallel vertical and coaxial planet gears according to claim 1, wherein said sun gear of each planet gear sub-system includes an outer gear and an inner gear which are coaxially connected to each other, said outer gear is located at the outer side of said inner gear and is a bevel gear, said planet gear of said planet gear sub-system is a bevel gear, which is engaged with said outer gear of said sun gear, and said setting element is a crown gear, which optionally engages with said inner gear of said sun gear.
6. The multi-ratio transmission system with parallel vertical and coaxial planet gears according to claim 1, wherein each planet gear sub-system has two planet gears, which are disposed opposite to each other.
7. The multi-ratio transmission system with parallel vertical and coaxial planet gears according to claim 1, wherein said coupling assembly includes:
two pulleys, connected to said planet gears of said two adjacent planet gear sub-systems respectively, and being rotated in synchronization with said planet gears respectively; and
a belt trained around said two pulleys so as to connect said two pulleys.
8. The multi-ratio transmission system with parallel vertical and coaxial planet gears according to claim 1, wherein said central axle has two ends, said two ends of said central axle are secured on a bicycle rack respectively.
9. The multi-ratio transmission system with parallel vertical and coaxial planet gears according to claim 8, wherein two flat surfaces are formed opposite to each other on each end of said central axle, said two flat surfaces of said central axle are engaged with two corresponding flat surfaces of said bicycle rack to prevent relative rotation between said central axle and said bicycle rack.
10. The multi-ratio transmission system with parallel vertical and coaxial planet gears according to claim 1, wherein said setting element controller further includes a rotation controller, said rotation controller is installed onto an end of said hollowed tube so as to optionally rotate said hollowed tube in said range of predetermined angles.
11. The multi-ratio transmission system with parallel vertical and coaxial planet gears according to claim 1, wherein said setting element includes a hollowed cylinder, a plurality of teeth is formed on a side end of said hollowed cylinder, and said hollowed cylinder is disposed coaxially with said sun gear of said planet gear sub-system in such way that said hollowed cylinder moves along said first axis corresponding to said sun gear, thereby allowing said teeth to optionally engage with said sun gear; said hollowed cylinder includes a control pin, wherein a free end of said control pin is inserted into said cam groove to move along said cam groove.
12. The multi-ratio transmission system with parallel vertical and coaxial planet gears according to claim 1, wherein an outer thread is formed on a side circumferential surface of said annular gear, an inner thread is formed on an inner circumferential surface of said cylindrical casing at a front end thereof, and said inner thread is engaged with said outer thread so as to secure said annular gear at said front end of said cylindrical casing.
13. The multi-ratio transmission system with parallel vertical and coaxial planet gears according to claim 1 further includes another said annular gear, wherein the other said annular gear is secured at a rear end of said cylindrical casing opposite to said front end, said annular gear and the other said annular gear are engaged with said planet gear of a first and a last planet gear sub-systems of said plurality of planet gear sub-systems respectively; wherein said first and said last planet gear sub-systems further include a transmission gear, which is coaxially connected to said planet gear to engage with said annular gear.
14. The multi-ratio transmission system with parallel vertical and coaxial planet gears according to claim 13, wherein the other said annular gear has an axial end, a flange is inwardly formed at said front end of said cylindrical casing, said other annular gear is rotatably fitted at said rear end of said cylindrical casing by abutting said flange of said cylindrical casing against said axial end of said other annular gear.
15. (canceled)
16. (canceled)
17. The multi-ratio transmission system with parallel vertical and coaxial planet gears according to claim 14, wherein an outer thread is formed on a side circumferential surface of said annular gear engaging with said planet gear of said first planet gear sub-system, an inner thread is formed on an inner circumferential surface of said cylindrical casing at a front end thereof, and said inner thread is engaged with said outer thread so as to secure said annular gear at said front end of said cylindrical casing.
18. The multi-ratio transmission system with parallel vertical and coaxial planet gears according to claim 1, wherein each planet gear sub-system includes an annular base, a circular wall structure is formed on said annular base surrounding said setting element and said planet gear of said planet gear sub-system while being disposed coaxially with said first axis; wherein a hole is formed on said annular base for rotatably fitting and supporting an axle of said planet gear.
19. The multi-ratio transmission system with parallel vertical and coaxial planet gears according to claim 18, wherein each said annular base of said planet gear sub-systems is formed with two axial ends, and said axial ends of said annular bases are abutted against each other in the direction of said first axis.
20. The multi-ratio transmission system with parallel vertical and coaxial planet gears according to claim 19, wherein at least one axial groove is formed on an outer side surface of each said annular base, said axial groove extends from one of said axial ends of said annular base to another said axial end thereof for tightly fitting a securing rod inside so as to prevent relative rotation between said annular bases.
21. The multi-ratio transmission system with parallel vertical and coaxial planet gears according to claim 10, wherein said rotation controller is installed onto a shift cable connector for connecting to a shift cable, said rotation controller and said hollowed tube installed onto said rotation controller are driven to rotate around said first axis by pulling said shift cable.
22. The multi-ratio transmission system with parallel vertical and coaxial planet gears according to claim 21, wherein a connecting hole is formed on said rotation controller for inserting an inner axial pin of said shift cable connector.
23. The multi-ratio transmission system with parallel vertical and coaxial planet gears according to claim 21 further includes a shift-guiding component inserted and connected to said central axle, wherein a circular guiding groove is formed coaxially with said first axis on said shift-guiding component, said shift cable connector has an outer axial pin which is slidably inserted into said circular guiding groove; wherein said circular guiding groove extends for a range of angles in the circumferential direction corresponding to said range of predetermined angles of the rotation of said hollowed tube of said setting element controller.
24. The multi-ratio transmission system with parallel vertical and coaxial planet gears according to claim 23, wherein an insertion hole is formed at the center of said shift-guiding component, and the two sides of said insertion hole are formed as two flat walls for abutting against said flat surfaces of said central axle, thereby preventing relative rotation between said central axle and said shift-guiding component.
25. The multi-ratio transmission system with parallel vertical and coaxial planet gears according to claim 1, wherein said one-way clutch includes:
a clutch casing integrally formed with said annular gear, wherein said clutch casing has an annular protrusion for installing said sprocket, and at least one pin-fitting hole is formed on said annular protrusion; and
at least one pin set fitted inside said pin-fitting hole, wherein said pin set includes a pin, which is constantly pushed outward by a spring to engage with one of a plurality of engaging holes formed on said sprocket, and is retracted from said engaging hole by an external force.
26. The multi-ratio transmission system with parallel vertical and coaxial planet gears according to claim 25, wherein said engaging holes of said sprocket are distributed along a circle, which is coaxial to said first axis, with equal angular intervals in between every two adjacent engaging holes; wherein each engaging hole has a flat surface and an oblique surface opposite to said flat surface, said flat surface is abutted against said pin to transmit force in a given rotation direction, said oblique surface serves as a cam and guides said pin outside said engaging hole upon contact to avoid force transmission in a rotation direction opposite to said given rotation direction