Author: claimsbot

1. A fluid transfer device for use with diesel engines, said fluid transfer device comprising:
a manifold system having at least one inlet valve, at least one outlet valve, and a plurality of conduits formed therein;
an electric pump; and
at least one check valve disposed between an inlet valve and an outlet valve.
2. The fluid transfer device according to claim 1, further including a housing having an open end and a closed end, said manifold system being disposed therein.
3. The fluid transfer device according to claim 2, further including a cover for closing the open end of said housing.
4. The fluid transfer device according to claim 2, wherein said housing further includes at least one indicator light.
5. The fluid transfer device according to claim 2, wherein said housing further includes an actuation switch.
6. The fluid transfer device according to claim 2, wherein said housing further includes a key lock operatively connected to an actuation switch.
7. The fluid transfer device according to claim 2, wherein said housing further includes a pressure gauge mounted thereto, said pressure gauge for measuring fluid pressure within at least one of said plurality of conduits of said manifold system.
8. The fluid transfer device according to claim 7, wherein said pressure gauge is a liquid filled, vibration dampened pressure guage.
9. The fluid transfer device according to claim 1, further including a power cord for supplying power to said electric pump.
10. The fluid transfer device according to claim 1, wherein said pump is a 12-volt electric pump.
11. The fluid transfer device according to claim 1, wherein said pump can pump within the range of from about 150 gallons to about 300 gallons of fluid per hour.
12. The fluid transfer device according to claim 1, wherein said manifold system includes a first manifold portion and a second manifold portion, said first manifold portion in fluid communication with said second manifold portion.
13. The fluid transfer device according to claim 12, wherein said first manifold portion includes a plurality of conduits, said conduits defining a fluid flow path.
14. The fluid transfer device according to claim 13, wherein said first manifold portion includes a plurality of inlet openings in fluid communication with said conduits.
15. The fluid transfer device according to claim 14, wherein said first manifold portion includes three inlet openings.
16. The fluid transfer device according to claim 14, further including a plurality of inlet valves disposed within each of said inlet openings.
17. The fluid transfer device according to claim 13, wherein said first manifold portion includes a plurality of outlet openings in fluid communication with said conduits.
18. The fluid transfer device according to claim 17, wherein said first manifold portion includes two outlet openings.
19. The fluid transfer device according to claim 17, further including a plurality of outlet valves disposed within each of said outlet openings.
20. The fluid transfer device according to claim 13, further including at least one check valve disposed in said fluid flow path.
21. The fluid transfer device according to claim 13, further including at least one check valve disposed between said first manifold portion and said second manifold portion.
22. The fluid transfer device according to claim 12, wherein said second manifold portion includes a plurality of conduits, said conduits defining a fluid flow path.
23. The fluid transfer device according to claim 22, wherein said second manifold portion includes a plurality of inlet openings in fluid communication with said conduits.
24. The fluid transfer device according to claim 22, wherein said second manifold portion is fluidly connected to said first manifold portion.
25. The fluid transfer device according to claim 22, wherein said second manifold portion includes at least one outlet opening in fluid communication with said conduits.
26. The fluid transfer device according to claim 22, wherein said second manifold portion includes a plurality of outlet openings in fluid communication with said conduits.
27. The fluid transfer device according to claim 25, further including at least one outlet valve disposed within said at least one outlet opening.
28. The fluid transfer device according to claim 22, further including at least one check valve disposed in said fluid flow path.

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 communication system for determining at least a target carrier leakage calibration parameter for calibrating a carrier leakage in a transmission signal, the communication system comprising:
a carrier signal generator, for generating a first carrier signal to a first transmitting path and a second carrier signal to a second transmitting path;
a transmitting module, coupled to the carrier signal generator and having the first transmitting path and the second transmitting path, for generating the transmission signal according to a single tone testing signal inputted to the first transmitting path, the first carrier signal and the second carrier signal;
a testing signal generator, coupled to the transmitting module, for generating the single tone testing signal having a specific frequency;
a power detection unit, coupled to the transmitting module, for detecting power of components associated with the specific frequency in the transmission signal to generate a power indicating signal; and
a calibration apparatus, coupled to the transmitting module and the power detection unit, for applying at least a first candidate carrier leakage calibration parameter to the first transmitting path and determining a target carrier leakage calibration parameter of the first transmitting path according to a first power indicating signal corresponding to the first candidate carrier leakage calibration parameter.
2. The communication system of claim 1, wherein the calibration apparatus applies a plurality of first candidate carrier leakage calibration parameters, the power detection unit generates a plurality of first power indicating signals corresponding to the first candidate carrier leakage calibration parameters respectively, and the calibration apparatus further determines a specific first power indicating signal of the first power indicating signals that has an extreme power value and determines a specific first candidate carrier leakage calibration parameter corresponding to the specific first power indicating signal as the target carrier leakage calibration parameter of the first transmitting path.
3. The communication system of claim 1, wherein after the target carrier leakage calibration parameter of the first transmitting path is determined, the testing signal generator generates the single tone testing signal to the second transmitting path, the transmitting module generates the transmission signal according to the single tone testing signal inputted to the second transmitting path, the first carrier signal and the second carrier signal, and the calibration apparatus applies the target carrier leakage calibration parameter of the first transmitting path, applies at least a second candidate carrier leakage calibration parameter to the second transmitting path and then references a second power indicating signal corresponding to the second candidate carrier leakage calibration parameter to determine a target carrier leakage calibration parameter of the second transmitting path.
4. The communication system of claim 3, wherein after the target carrier leakage calibration parameter of the second transmitting path is determined, the testing signal generator generates the single tone testing signal to the first transmitting path, the transmitting module generates the transmission signal according to the single tone testing signal inputted to the first transmitting path, the first carrier signal and the second carrier signal, and the calibration apparatus applies the target carrier leakage calibration parameter of the second transmitting path instead of applying the target carrier leakage calibration parameter of the first transmitting path, applies at least a third candidate carrier leakage calibration parameter to the first transmitting path and then references a third power indicating signal corresponding to the third candidate carrier leakage calibration parameter to determine a calibrated target carrier leakage calibration parameter of the first transmitting path.
5. A communication system for determining at least a target imbalance calibration parameter for calibrating an IQ imbalance in a transmission signal, the communication system comprising:
a carrier signal generator, for generating a first carrier signal to a first transmitting path and a second carrier signal to a second transmitting path;
a transmitting module, coupled to the carrier signal generator and having the first transmitting path and the second transmitting path, the transmitting module for generating the transmission signal according to a first testing signal inputted to the first transmitting path, a second testing signal inputted to the second transmitting path, the first carrier signal, and the second carrier signal;
a testing signal generator, coupled to the transmitting module, for generating the first testing signal and the second testing signal according to combinations of a DC value and a single tone signal having a specific frequency;
a power detection unit, coupled to the transmitting module, for detecting power of components associated with the specific frequency in the transmission signal to generate a power indicating signal; and
a calibration apparatus, coupled to the transmitting module and the power detection unit, for applying at least a first candidate imbalance calibration parameter to the transmitting module and determining the target imbalance calibration parameter according to a first power indicating signal corresponding to the first candidate imbalance calibration parameter.
6. The communication system of claim 5, wherein the calibration apparatus applies a plurality of first candidate imbalance calibration parameters, the power detection unit generates a plurality of first power indicating signals corresponding to the first candidate imbalance calibration parameters respectively, and the calibration apparatus further determines a specific first power indicating signal of the first power indicating signals that has an extreme power value and determines the target imbalance calibration parameter according to a specific first candidate imbalance calibration parameter corresponding to the specific first power indicating signal.
7. The communication system of claim 6, wherein the testing signal generator further generates a third testing signal and a fourth testing signal according to combinations of the DC value and the single tone signal and outputs the third testing signal and the fourth testing signal to the transmitting module; and after the testing signal generator outputs the third testing signal to the first transmitting path instead of the first testing signal and outputs the fourth testing signal to the second transmitting path instead of the second testing signal, the transmitting module then generates the transmission signal according to the third testing signal, the fourth testing signal, the first carrier signal, and the second carrier signal, and the calibration apparatus applies a plurality of second candidate imbalance calibration parameters, the power detection unit generates a plurality of second power indicating signals corresponding to the second candidate imbalance calibration parameters respectively, and the calibration apparatus further determines a specific second power indicating signal of the second power indicating signals that has an extreme power value and determines the target imbalance calibration parameter according to the specific first candidate imbalance calibration parameter and a specific second candidate imbalance calibration parameter corresponding to the specific second power indicating signal.
8. The communication system of claim 7, wherein the calibration apparatus calculates an average of the specific first candidate imbalance calibration parameter and the specific second candidate imbalance calibration parameter to be the target imbalance calibration parameter.
9. The communication system of claim 5, wherein the testing signal generator further generates a third testing signal and a fourth testing signal according to combinations of the DC value and the single tone signal and outputs the third testing signal and the fourth testing signal to the transmitting module; and after the testing signal generator outputs the third testing signal to the first transmitting path instead of the first testing signal and outputs the fourth testing signal to the second transmitting path instead of the second testing signal, the transmitting module then generates the transmission signal according to the third testing signal, the fourth testing signal, the first carrier signal, and the second carrier signal; the calibration apparatus applies at least a second candidate imbalance calibration parameter to the transmitting module and then references the first power indicating signal and a second power indicating signal corresponding to the second candidate imbalance calibration parameter to determine the target imbalance calibration parameter.
10. The communication system of claim 9, wherein the calibration apparatus calculates an average of the first candidate imbalance calibration parameter and the second candidate imbalance calibration parameter to be the target imbalance calibration parameter.
11. A communication method for determining at least a target carrier leakage calibration parameter for calibrating a carrier leakage in a transmission signal, the communication method comprising:
generating a first carrier signal to a first transmitting path and a second carrier signal to a second transmitting path;
providing a transmitting module having the first transmitting path and the second transmitting path, and utilizing the transmitting module to generate the transmission signal according to a single tone testing signal inputted to the first transmitting path, the first carrier signal, and the second carrier signal;
generating the single tone testing signal having a specific frequency;
detecting power of components associated with the specific frequency in the transmission signal to generate a power indicating signal; and
applying at least a first candidate carrier leakage calibration parameter to the first transmitting path and determining a target carrier leakage calibration parameter of the first transmitting path according to a first power indicating signal corresponding to the first candidate carrier leakage calibration parameter.
12. The communication method of claim 11, further comprising:
applying a plurality of first candidate carrier leakage calibration parameters;
generating a plurality of first power indicating signals corresponding to the first candidate carrier leakage calibration parameters respectively;

determining a specific first power indicating signal of the first power indicating signals that has an extreme power value; and
determining a specific first candidate carrier leakage calibration parameter corresponding to the specific first power indicating signal as the target carrier leakage calibration parameter of the first transmitting path.
13. The communication method of claim 11, further comprising:
generating the single tone testing signal to the second transmitting path instead after the target carrier leakage calibration parameter of the first transmitting path is determined;
utilizing the transmitting module to generate the transmission signal according to the single tone testing signal inputted to the second transmitting path, the first carrier signal, and the second carrier signal; and
applying the target carrier leakage calibration parameter of the first transmitting path and at least a second candidate carrier leakage calibration parameter to the second transmitting path, and determining a target carrier leakage calibration parameter of the second transmitting path according to a second power indicating signal corresponding to the second candidate carrier leakage calibration parameter.
14. The communication method of claim 13, further comprising:
generating the single tone testing signal to the first transmitting path after the target carrier leakage calibration parameter of the second transmitting path is determined;
utilizing the transmitting module to generate the transmission signal according to the single tone testing signal inputted to the first transmitting path, the first carrier signal, and the second carrier signal;
applying the target carrier leakage calibration parameter of the second transmitting path instead of applying the target carrier leakage calibration parameter of the first transmitting path; and
applying at least a third candidate carrier leakage calibration parameter to the first transmitting path and then determining a calibrated target carrier leakage calibration parameter of the first transmitting path according to a third power indicating signal corresponding to the third candidate carrier leakage calibration parameter.
15. A communication method for determining at least a target imbalance calibration parameter for calibrating an IQ imbalance in a transmission signal, the communication method comprising:
generating a first carrier signal to a first transmitting path and a second carrier signal to a second transmitting path;
providing a transmitting module having the first transmitting path and the second transmitting path to generate the transmission signal according to a first testing signal inputted to the first transmitting path, a second testing signal inputted to the second transmitting path, the first carrier signal, and the second carrier signal;
generating the first testing signal and the second testing signal according to combinations of a DC value and a single tone signal having a specific frequency;
detecting power of components associated with the specific frequency in the transmission signal to generate a power indicating signal; and
applying at least a first candidate imbalance calibration parameter to the transmitting module and then determining the target imbalance calibration parameter according to a first power indicating signal corresponding to the first candidate imbalance calibration parameter.
16. The communication method of claim 15, further comprising:
applying a plurality of first candidate imbalance calibration parameters;
generating a plurality of first power indicating signals corresponding to the first candidate imbalance calibration parameters respectively;
determining a specific first power indicating signal of the first power indicating signals that has an extreme power value; and
determining the target imbalance calibration parameter according to a specific first candidate imbalance calibration parameter corresponding to the specific first power indicating signal.
17. The communication method of claim 16, further comprising:
generating a third testing signal and a fourth testing signal according to combinations of the DC value and the single tone signal, and outputting the third testing signal and the fourth testing signal to the transmitting module;
utilizing the transmitting module to generate the transmission signal according to the third testing signal, the fourth testing signal, the first carrier signal, and the second carrier signal after outputting the third testing signal to the first transmitting path instead of the first testing signal and outputting the fourth testing signal to the second transmitting path instead of the second testing signal;

applying a plurality of second candidate imbalance calibration parameters and generating a plurality of second power indicating signals corresponding to the second candidate imbalance calibration parameters respectively;
determining a specific second power indicating signal of the second power indicating signals that has an extreme power value; and
determining the target imbalance calibration parameter according to the specific first candidate imbalance calibration parameter and a specific second candidate imbalance calibration parameter corresponding to the specific second power indicating signal.
18. The communication method of claim 17, wherein the step of determining the target imbalance calibration parameter comprises:
calculating an average of the specific first candidate imbalance calibration parameter and the specific second candidate imbalance calibration parameter to be the target imbalance calibration parameter.
19. The communication method of claim 15, further comprising:
generating a third testing signal and a fourth testing signal according to combinations of the DC value and the single tone signal, and outputting the third testing signal and the fourth testing signal to the transmitting module;
utilizing the transmitting module to generate the transmission signal according to the third testing signal, the fourth testing signal, the first carrier signal, and the second carrier signal after outputting the third testing signal to the first transmitting path instead of the first testing signal, and outputting the fourth testing signal to the second transmitting path instead of the second testing signal; and
applying at least a second candidate imbalance calibration parameter to the transmitting module and determining the target imbalance calibration parameter according to the first power indicating signal and a second power indicating signal corresponding to the second candidate imbalance calibration parameter.
20. The communication method of claim 19, wherein the step of determining the target imbalance calibration parameter according to the first power indicating signal and the second power indicating signal comprises:
calculating an average of the first candidate imbalance calibration parameter and the second candidate imbalance calibration parameter to be the target imbalance calibration parameter.

1. An extrusion die assembly comprising:
a hollow extrusion head including a head inner surface, a central passage inlet opening, a forming section having a die opening, a first receiving space that extends from said central passage inlet opening to said forming section, a first lateral passage inlet opening, and a second receiving space having one end connected to said first lateral passage inlet opening and the other end connected fluidly to said first receiving space midway between said central passage inlet opening and said die opening;
a first flow-dividing core disposed within said first receiving space, said first flow-dividing core being hollow and having a central passage connected to said central passage inlet opening and extending to said forming section, and a first grooved outer surface that is disposed upstream of said forming section and that has at least one groove which cooperates with said head inner surface to define at least one first accumulating passage;
a first annular passage formed in said forming section and around said first flow-dividing core and said central passage, said first annular passage being connected to said first accumulating passage and merging with said central passage in said die opening; and
a first flow-dividing block disposed within said second receiving space and dividing said second receiving space into two first lateral passages which are connected to said first lateral passage inlet opening, said first flow-dividing core and said head inner surface cooperatively defining a pair of said first accumulating passages which are respectively connected to said first lateral passages;
wherein said second receiving space has a block-retaining section proximate to said first accumulating passages, and a tapered section proximate to said first lateral passage inlet opening, said first flow-dividing block including a first block base portion retained in said block-retaining section, and a main wedge-shaped portion received in said tapered section and tapered from said first block base portion toward said first lateral passage inlet opening; and
wherein said first flow-dividing block further includes two auxiliary wedge-shaped portions projecting respectively from two opposite sides of said main wedge-shaped portion and tapering from said first block base portion toward said first lateral passage inlet opening.
2. An extrusion die assembly comprising:
a hollow extrusion head including a head inner surface, a central passage inlet opening, a forming section having a die opening, a first receiving space that extends from said central passage inlet opening to said forming section, a first lateral passage inlet opening, and a second receiving space having one end connected to said first lateral passage inlet opening and the other end connected fluidly to said first receiving space midway between said central passage inlet opening and said die opening;
a first flow-dividing core disposed within said first receiving space, said first flow-dividing core being hollow and having a central passage connected to said central passage inlet opening and extending to said forming section, and a first grooved outer surface that is disposed upstream of said forming section and that has at least one groove which cooperates with said head inner surface to define at least one first accumulating passage; and
a first annular passage formed in said forming section and around said first flow-dividing core and said central passage, said first annular passage being connected to said first accumulating passage and merging with said central passage in said die opening;
wherein said first flow-dividing core includes a first core base portion that has said first grooved outer surface, and a first guide portion smaller in cross section than said first core base portion, said first guide portion extending from said first core base portion and tapering toward said die opening, said first annular passage extending around said first guide portion upstream of said die opening; and
wherein said first lateral passages are substantially perpendicular to said central passage, said first flow-dividing core further including two wedge-shaped guide parts that taper from said first core base portion toward said die opening and that project respectively from two opposite sides of said first guide portion.
3. An extrusion die assembly comprising:
a hollow extrusion head including a head inner surface, a central passage inlet opening, a forming section having a die opening, a first receiving space that extends from said central passage inlet opening to said forming section, a first lateral passage inlet opening, and a second receiving space having one end connected to said first lateral passage inlet opening and the other end connected fluidly to said first receiving space midway between said central passage inlet opening and said die opening;
a first flow-dividing core disposed within said first receiving space, said first flow-dividing core being hollow and having a central passage connected to said central passage inlet opening and extending to said forming section, and a first grooved outer surface that is disposed upstream of said forming section and that has at least one groove which cooperates with said head inner surface to define at least one first accumulating passage; and
a first annular passage formed in said forming section and around said first flow-dividing core and said central passage, said first annular passage being connected to said first accumulating passage and merging with said central passage in said die opening;
wherein said groove is curved so that said accumulating passage is also curved, said groove being bounded by opposite short and long curved groove walls and having a depth that increases in a transverse direction from said short curved groove wall to said long curved groove wall.
4. The extrusion die assembly of claim 1, wherein said first receiving space has a mandrel-retaining portion proximate to said central passage inlet opening, and a core-retaining portion disposed between said mandrel-retaining portion and said die opening to retain said first flow-dividing core, said central passage being defined by an inner surface of said first flow-dividing core, said extrusion die assembly further comprising a mandrel retained by said mandrel-retaining portion and extending into said central passage.
5. An extrusion die assembly comprising:
a hollow extrusion head including a head inner surface, a central passage inlet opening, a forming section having a die opening, a first receiving space that extends from said central passage inlet opening to said forming section, a first lateral passage inlet opening, and a second receiving space having one end connected to said first lateral passage inlet opening and the other end connected fluidly to said first receiving space midway between said central passage inlet opening and said die opening;
a first flow-dividing core disposed within said first receiving space, said first flow-dividing core being hollow and having a central passage connected to said central passage inlet opening and extending to said forming section, and a first grooved outer surface that is disposed upstream of said forming section and that has at least one groove which cooperates with said head inner surface to define at least one first accumulating passage;
a first annular passage formed in said forming section and around said first flow-dividing core and said central passage, said first annular passage being connected to said first accumulating passage and merging with said central passage in said die opening; and
a second flow-dividing core;
said first flow-dividing core further having an inner surface defining a core-receiving space that receives said second flow-dividing core, said second flow-dividing core having an inner surface defining said central passage, and a second grooved outer surface that is formed with two grooves that cooperate with said inner surface of said first flow-dividing core to define two second accumulating passages.
6. The extrusion die assembly of claim 5, wherein said hollow extrusion head further includes a second lateral passage inlet opening, and a third receiving space having one end connected to said second lateral passage inlet opening and the other end connected fluidly to said first receiving space midway between said central passage inlet opening and said die opening, said extrusion die assembly further comprising a second flow-dividing block disposed within said third receiving space and cooperating with said head inner surface to define two second lateral passages respectively connected to said second accumulating passages.
7. The extrusion die assembly of claim 6, wherein said first flow-dividing core further has a through hole connected to said core-receiving space, said second flow-dividing block extending into said through hole.
8. The extrusion die assembly of claim 7, wherein said first flow-dividing core includes a first core base portion that defines said first accumulating passage, and a first guide portion smaller in cross section than said first core base portion, said first guide portion extending from said first core base portion and tapering toward said die opening, said first annular passage extending around said first guide portion upstream of said die opening.
9. The extrusion die assembly of claim 8, wherein said second flow-dividing core includes a second core base portion that defines said second accumulating passages, and a second guide portion smaller in cross section than said second core base portion, said second guide portion extending from said second core base portion and tapering toward said die opening, said first and second flow-dividing cores cooperatively defining a second annular passage between said first and second guide portions, said second annular passage extending around said central passage and being surrounded by said first annular passage.

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 system for singly dispensing fibrous filters from bulk comprising:
a grasping tool comprising: a working end; a handle; and a pick that extends outwardly from said handle;
a container for containing bulk fibrous filters of a predetermined size, said container comprising: an opening; a peripheral edge extending outwardly from the opening, at least a portion of the peripheral edge being shaped so that the bulk fibrous filters cannot pass freely through the opening when contained therein, and so that at least a portion of a top filter is accessible and graspable by the working end of the grasping tool; and one or more cutouts in the peripheral edge;
an edge trim member comprising: a downwardly extending edge trim sidewall; a planar platform extending outwardly from the edge trim sidewall; and one or more tab members extending inwardly from the edge trim sidewall, said tab members designed for releasably connecting to the cutouts in the peripheral edge, so that the edge trim member can be releasably connected to the container by rotating freely relative to the container to define a locked position; and
further comprising a cover for covering the edge trim member and the container, the cover having a lateral cutout so that the planar platform may extend outwardly through the cover when the cover is on the container and trim member.
2. The system of claim 1, wherein the container and the edge trim member are integrally formed.