All The Claims

1. A ball screw assembly, comprising:
a screw shaft having a spiral rolling groove formed on an outer surface thereof;
a nut having a spiral load rolling groove formed on an inner surface thereof, the screw shaft coupled through the nut, the rolling groove aligning with the load rolling groove, and the rolling groove and the load rolling groove jointly defining a raceway;
a plurality of balls disposed between the rolling groove of the screw shaft and the load rolling groove of the nut; and
two wipers respectively configured on two opposite sides of the nut and coupled with the rolling groove, wherein each wiper comprises:
a ring having a plurality of dust discharge grooves formed on an inner surface thereof and the inner surface of the ring substantially abuts the outer surface of the screw shaft; and
a plurality of wiping protrusions extended from the inner surface of the ring and each wiping protrusion arranged between any two adjacent dust discharge grooves;
wherein the wiping protrusions abut and are arranged in the rolling groove of the screw shaft, and the wiping protrusions of the wipers are arranged within a single pitch of the screw shaft.
2. The ball screw assembly as claimed in claim 1, wherein at least one of the plurality of dust discharge grooves is formed on the inner surface of the ring from a distal end of the ring to a portion between two adjacent wiping protrusions.
3. The ball screw assembly as claimed in claim 1, wherein each wiping protrusion has an elongated shape, and each cross-sectional area of the wiping protrusion along the longitudinal direction is identical.
4. The ball screw assembly as claimed in claim 1, wherein each ring has a positioning rim having two opposite ends, a main portion extended from one end of the positioning rim, and an extending wall extended form another end of the positioning rim, the wiping protrusions of each wiper extend from the inner side of the main portion to the inner side of the extending wall, and the extending wall of each wiper correspondingly extends from the wiping protrusions.
5. The ball screw assembly as claimed in claim 1, further comprising two end caps coupled to the screw shaft, the end caps are respectively configured on the two opposite sides of the nut, the end caps are respectively assembled with the wipers, and each end surface of the end cap exposed from the nut is formed with a plurality of concaved dust discharge outlets.
6. The ball screw assembly as claimed in claim 5, wherein the dust discharge outlets of each end cap respectively align with the dust discharge grooves of each wiper, and each dust discharge outlet and the corresponding dust discharge groove defined a dust discharge passage.
7. A wiper coupled to a rolling groove of a screw shaft, comprising:
a ring having a plurality of dust discharge grooves formed on an inner surface thereof, and the inner surface of the ring substantially configured to abut an outer surface of the screw shaft; and
a plurality of wiping protrusions extended from the inner surface of the ring and each wiping protrusion arranged between any two adjacent dust discharge grooves,
wherein when the wiper is coupled to the rolling groove of the screw shaft, the wiping protrusions abut and are arranged in the rolling groove of the screw shaft, and the wiping protrusions of the wipers are arranged within a single pitch of the screw shaft.
8. The ball screw assembly as claimed in claim 7, wherein at least one of the plurality of dust discharge grooves is formed on the inner surface of the ring from a distal end of the ring to a portion between two adjacent wiping protrusions.
9. The ball screw assembly as claimed in claim 7, wherein each wiping protrusion has an elongated shape, and each cross-sectional area of the wiping protrusion along the longitudinal direction is identical.
10. The ball screw assembly as claimed in claim 7, wherein each ring has a positioning rim, a main portion extended from one end of the positioning rim, and an extending wall extended form another end of the positioning rim, the wiping protrusions of each wiper extend from the inner side of the main portion to the inner side of the extending wall, and the extending wall of each wiper correspondingly extends from the wiping protrusions.

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 processing apparatus in an integrated circuit, comprising:
a point-to-point data streaming interface;
a first arithmetic logic unit (ALU) circuitry having at least one input port;
a second ALU circuitry having at least one input port, wherein said second ALU circuitry processes branches;
a register file; and
multiplexer logic configured to selectively couple said register file and said point-to-point data streaming interface to said at least one input port of said first ALU circuitry and said at least one input port of said second ALU circuitry.
2. The apparatus of claim 1, further comprising:
a streaming interface circuit having at least one register in respective communication with said at least one input port of said first ALU circuitry.
3. The apparatus of claim 2, further comprising:
at least one first-in-first-out circuit (FIFO) in respective communication with said at least one register.
4. The apparatus of claim 3, wherein said first ALU circuitry is configured to read data from said at least one register in response to an instruction, and wherein new data is automatically loaded into said at least one register from said at least one FIFO.
5. The apparatus of claim 3, wherein said first ALU circuitry is configured to read data from said at least one register in response to an instruction, and wherein new data is loaded into said at least one register in response to state of at least one bit in said instruction.
6. The apparatus of claim 2, wherein said streaming interface circuit further comprises:
at least one shadow register respectively coupled to said at least one register.
7. The apparatus of claim 1, further comprising:
an instruction cache; and
a program memory, in communication with said instruction cache, for storing a set of instructions comprising a program.
8. The apparatus of claim 1, further comprising:
a program counter for storing a pointer to a next instruction to be executed in a program; and
automatic loop circuitry for comparing said pointer to a length of said program and for automatically resetting said program counter in response to said pointer equaling said length.
9. The apparatus of claim 1, wherein said first ALU circuitry comprises branch logic for processing instructions from a program having a branch field, said branch field including a pointer to a next instruction in said program to be executed.
10. The apparatus of claim 1, wherein said point-to-point data streaming interface and said first ALU circuitry is disposed within a processor embedded within said integrated circuit.
11. The apparatus of claim 1, wherein said integrated circuit comprises a field programmable gate array (FPGA).
12. A processing apparatus in an integrated circuit, comprising:
a point-to-point data streaming interface;
a program counter for storing a first pointer to a next instruction to be executed in a program;
a first arithmetic logic unit (ALU) circuitry having branch logic for processing instructions from said program, each of said instructions having a branch field, said branch field of at least one of said instructions including a second pointer to said next instruction in said program to be executed, wherein said first ALU circuitry has at least one input port;
a second ALU circuitry having at least one input port;
a register file;
first multiplexer logic for selectively providing said second pointer to said program counter; and
second multiplexer logic configured to selectively couple said register file and said point-to-point data streaming interface to said at least one input port of said first ALU circuitry and said at least one input port of said second ALU circuitry.
13. The apparatus of claim 12, further comprising:
a streaming interface circuit having at least one register in respective communication with said at least one input port of said first ALU circuitry.
14. The apparatus of claim 13, further comprising:
at least one first-in-first-out circuit (FIFO) in respective communication with said at least one register.
15. The apparatus of claim 12, further comprising:
an instruction cache; and
a program memory, in communication with said instruction cache, for storing a
set of instructions comprising a program.
16. The apparatus of claim 12, further comprising:
automatic loop circuitry for comparing said first pointer to a length of said program and for automatically resetting said program counter in response to said first pointer equaling said length.
17. The apparatus of claim 12, wherein said program counter, said first ALU circuitry, and said first multiplexer logic are disposed within a processor embedded within said integrated circuit.
18. In a processing block in an integrated circuit, a method, comprising:
loading input data to at least one first register via a point-to-point streaming interface;
receiving an instruction from a program;
reading said input data at arithmetic logic unit (ALU) circuitry from said at least one first register;
providing output data from said ALU circuitry to at least one second register;
sending said output data from said at least one second register over said point-to-point streaming interface;
reading another input data at another ALU circuitry from said at least one first register; and
processing, by the other ALU circuitry, the other input data, wherein the other input data includes a branch instruction.

What is claimed is:

1. A method for converting polychlorinated biphenyl oil into a resource by a chemical decomposition treatment, a pelletizing treatment and a thermal decomposition treatment,
wherein the chemical decomposition treatment decomposes polychlorinated biphenyl oil to powder including a metal salt by applying a decomposition action of CaO to said polychlorinated biphenyl oil and acting far-infrared rays emitted by quartz porphyry;
the pelletizing treatment solidifies powder, which is generated by said chemical decomposition treatment, into pellets;
said thermal decomposition treatment thermally melts said pellets, which are generated by said pelletizing treatment, and glass cullet at a temperature above the thermal decomposition temperature of said polychlorinated biphenyl, and integrates said pellets and glass cullet as slag,
wherein the molten integrated slag is cooled to be made into a solid to be reused as resources.
2. The method for converting polychlorinated biphenyl oil into a resource as set forth in claim 1, wherein said chemical decomposition treatment includes a process of decomposing polychlorinated biphenyl oil by causing heat due to an exothermic reaction of CaO to act onto quartz porphyry and causing far-infrared rays to be irradiated from quartz porphyry under a condition that it is heated above 200 C.
3. The method for converting polychlorinated biphenyl oil into a resource as set forth in claim 1, wherein in said chemical decomposition treatment, minus ions irradiated from quartz porphyry are acted onto polychlorinated biphenyl oil, and said polychlorinated biphenyl oil is further decomposed by its reduction actions.
4. The method for converting polychlorinated biphenyl oil into a resource as set forth in claim 1, wherein said thermal decomposition treatment thermally decomposes polychlorinated biphenyl oil constituents possibly remaining in powder that is generated by said chemical decomposition treatment.
5. The method for converting polychlorinated biphenyl oil into a resource as set forth in claim 1, wherein said thermal decomposition treatment is carried out in a melting furnace with coke as a fuel, and pellets that are produced by pelletizing treatment also serve to adjust the degree of basicity for loading into said melting furnace.
6. The method for converting polychlorinated biphenyl oil into a resource, including chemical decomposition treatment, pelletizing treatment, and thermal decomposition treatment,
wherein said chemical decomposition treatment chemically converts said polychlorinated biphenyl oil into powder containing a metal salt and prevents the working environment from being contaminated by said polychlorinated biphenyl oil during said thermal decomposition treatment,
said pelletizing treatment works the powder produced by said chemical decomposition treatment into pellets as pretreatment of the thermal decomposition treatment, in order to prevent the powder from blowing away and facilitates its handling during the thermal decomposition treatment, and
said thermal decomposition treatment loads the pellets obtained by the pelletizing treatment together with glass cullet into a melting furnace with coke as the fuel and both are melted in said melting furnace at a temperature above the thermal decomposition temperature of the polychlorinated biphenyl oil, so that said pellets are melted and integrated with the glass to obtain slag which is then cooled for reuse as solid substances.
7. A decomposing agent for polychlorinated biphenyl oil, including calcium oxide whose surface is coated with a vegetable oil and quartz porphyry powder.
8. The method for converting polychlorinated biphenyl oil into a resource as set forth in claim 1, wherein said slag obtained by said thermal decomposition treatment is a radiator of far-infrared rays.

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 marine vessel propulsion structure comprising:
a main drive shaft adapted to receive predetermined power and rotate;
sub-drive shafts disposed in several directions relative to the main drive shaft;
a power transmission mechanism for transmitting power from the main drive shaft toward the several directions and rotating the sub-drive shafts by the transmitted power;
propeller shafts respectively associated with the sub-drive shafts;
propellers mounted on the propeller shafts;
a propeller rotating mechanism for transmitting the power transmitted to the sub-drive shafts to the propeller shafts and the propellers, to thereby cause the propellers to be rotated; and
shift controller unit for causing rotation situations of the propellers to be controlled independently from each other.
2. A marine vessel propulsion structure according to claim 1, wherein the main drive shaft is provided at a predetermined portion thereof with a bevel gear and the sub-drive shafts are provided with bevel gears at portions thereof which are adjacent the main drive shaft, the bevel gears of the sub-drive shafts being meshed with the bevel gear of the main drive shaft.
3. A marine vessel propulsion structure according to claim 1, wherein the number of the propellers is two, the propellers are arranged at locations spaced apart in left and right directions from the main drive shaft at approximately equal distances, with the propeller shafts thereof extending in substantially parallel with each other, and the propellers are designed such that their normal rotation for advancing the marine vessel are opposite to each other.
4. A marine vessel propulsion structure according to claim 1, further including a forward gear for causing corresponding propeller to be rotated in a normal rotation direction and a rearward gear for causing corresponding propeller to be rotated in a reverse direction, the forward and rearward gears being arranged between corresponding sub-drive shaft and propeller shaft, the shift controller unit being adapted to execute switching in such a manner to cause one of the forward and rearward gears to be activated or cause both of the forward and rearward gears to be inactivated.
5. A marine vessel driving apparatus comprising:
a single engine for generating predetermined power;
a main drive shaft adapted to be rotated by the power generated by the engine and transmit the power in several directions relative to the main drive shaft;
sub-drive shafts arranged in the several directions;
a power transmission mechanism for causing the sub-drive shafts to be rotated by the power transmitted in the several directions;
propeller shafts and propellers associated with the respective sub-drive shafts;
a propeller rotating mechanism for transmitting the power transmitted to the sub-drive shafts to the propeller shafts and the propellers and rotating the propellers; and
shift controller unit for causing rotation situations of the propellers to be controlled independently from each other.
6. A marine vessel driving apparatus comprising:
a single engine for generating predetermined power;
a main drive shaft adapted to be rotated by the power generated by the engine;
the main drive shaft being provided at a tip end thereof with a bevel gear;
two sub-drive shafts provided so as to respectively extend in left and right directions from a location adjacent the tip end of the main drive shaft;
the sub-drive shafts having bevel gears which are provided at ends thereof adjacent the tip end of the main drive and meshed with the bevel gear of the main drive shaft;
left and right propeller shafts connected to the other ends of the sub-drive shafts and provided so as to extend in substantially parallel with each other;
left and right propellers respectively provided at tip ends of the left and right propeller shafts;
the left and right propellers being designed such that their normal rotation directions for forward movement are opposite to each other;
forward gears and rearward gears provided at the respective propeller shafts;
pinion gears provided at the other ends of the sub-drive shafts;
the forward gears and rearward gears being meshed with the pinion gears provided at corresponding sub-drive shafts;
the forward gears being designed so as to be rotated in a normal rotation direction;
the rearward gears being designed so as to be rotated in a reverse direction;
left and right clutches adapted to be operatively connected to the forward gears or the rearward gears and transmit the power of corresponding sub-drive shafts to the propeller shafts and the propellers; and
left and right shift cam assemblies adapted to be subjected to control from an external and able to change rotation situations of the propellers independently from each other by switching positions of the left and right clutches, at which the left and right clutches are operatively connected to the forward gears and operatively connected to the rearward gears, and connected to neither the forward gears nor the rearward gears, in such a manner that the positions of the left and right clutches are switched independently from each other.