1460750899-376eab15-5117-4c87-ba90-d9fdb71e25e5

1. A construction machine comprising:
a nearly sealed engine room section (30, 30a) where an engine (22) is disposed;
a first cooling unit group (R) comprising a plurality of cooling units; and
a single cooling fan (20) for cooling a second cooling unit group (R1) where some cooling units of said first cooling unit group (R) are disposed in parallel;
wherein said second cooling unit group (R1) and said cooling fan (20) are disposed so that they face each other.
2. A construction machine comprising:
a first cooling unit group (R) comprising a plurality of cooling units;
a cooling fan (20) for cooling a second cooling unit group (R1) where some cooling units of said first cooling unit group (R) are disposed in parallel;
an engine (20);
a partition member (26, 26A) provided between said cooling fan (20) and said engine (20);
a chamber (28), partitioned and formed by said partition member (26, 26A), where said first cooling unit group (R) and said cooling fan (20) are disposed; and
a nearly sealed engine room section (30, 30a), partitioned by said partition member (26, 26A), where said engine (22) is disposed;
wherein said cooling fan (20) comprises a single cooling fan (20).
3. The construction machine as set forth in claim 1 or 2, wherein said second cooling unit group (R1) and the remaining cooling unit (RN) of said first cooling unit group (R) are disposed so that they face each other.
4. The construction machine as set forth in claim 3, wherein a gap (D) is provided between said second cooling unit group (R1) and said remaining cooling unit (RN) so that cleaning can be performed.
5. The construction machine as set forth in claim 4, wherein a gap-closing cover (CV) is provided to nearly close at least the circumference of said gap (D) and is rotatable or detachable.
6. The construction machine as set forth in any one of claims 1 through 5, wherein a gap (D) between said second cooling unit group (R1) and the remaining cooling unit (RN) of said first cooling unit group (R) disposed so as to face said second cooling unit group (R1) is set so that a ratio of said gap (D) to a height (H) of a cooling unit of said second cooling unit group (R1) on the upstream side of said remaining cooling unit (RN) is (DH)0.05 to 0.3.
7. The construction machine as set forth in claim 6, wherein said gap (D) is set to about 30 to 300 mm, preferably about 40 to 100 mm.
8. The construction machine as set forth in claim 6 or 7, wherein said cooling unit of said second cooling unit group (R1) on the upstream side of said remaining cooling unit (RN) comprises an intercooler (14).
9. The construction machine as set forth in claim 2, 4, or 6, wherein said nearly sealed engine room section (30, 30a) is constructed so that cooling air introduced by said cooling fan (20) is drawn in, or is constructed so that it is ventilated by discharging cooling air within said nearly sealed engine room section (30, 30a), which has risen in temperature, from blow off bores (26b) of said partition member (26, 26A) with cooling air introduced by said cooling fan (20).
10. The construction machine as set forth in claim 1, 2, or 9, wherein said cooling fan (20) comprises an axial flow fan, a bent axis flow fan, or a centrifugal fan.
11. The construction machine as set forth in claim 1, 2, or 9, wherein said nearly sealed engine room section (30, 30a) is provided with an ejector (EJ).
12. The construction machine as set forth in claim 1, 2, 9, or 11, wherein said nearly sealed engine room section (30, 30a) is provided with an ejector (EJ) and a ventilating fan (20K, 20Ks).
13. The construction machine as set forth in claim 1, 2, 6, 7, 9, 11, or 12, further comprising cylindrical guide members (26R) which have a communicating bore corresponding and communicating with a communicating bore (26a) or blowoff bore (26b) provided in said partition member (26, 26a).

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. (canceled)
2. The reactor core according to claim 4,
wherein when said four fuel assemblies adjacent to said four lateral sides include three of said second fuel assemblies, an other fuel assembly among said four fuel assemblies is said first fuel assembly.
3. (canceled)
4. A reactor core comprising:
an outermost region;
a core region surrounded by said outermost region;
a plurality of fuel support members, each of which is disposed at a lower end portion of said outermost region and said core region; and
a plurality of fuel assemblies loaded in said outermost region and said core region and supported by said fuel support members;
wherein a plurality of said fuel assemblies disposed in said core region include a plurality of first fuel assemblies, each of which is inserted into a first coolant passage which is formed in said fuel support member and has a first resistor having an opening, and a plurality of second fuel assemblies, each of which is individually inserted into each of second coolant passage which is formed in said fuel support member and has a second resistor having an opening and a larger pressure loss than that of said first resistor; and
wherein four fuel assemblies are provided so that each of which is adjacent to each of four lateral sides of each of a plurality of first fuel assemblies and include either three or four second fuel assemblies;
wherein when a distance between a center of said core region and an axis of said fuel assembly located at a furthest position from said center of said core region among all of said fuel assemblies adjacent to said outermost region and disposed in said core region is represented as L, said core region includes an inner region wherein said fuel assemblies, each of which has said axis on an inner side of a L\u221a{square root over (2)} position in a radial direction of said core region from said center of said core region, are loaded, and an outer region surrounding said inner region; and
wherein said first fuel assemblies and said second fuel assemblies are arranged in said inner region, and said second fuel assemblies are arranged in said outer region including no said first fuel assemblies.
5. (canceled)
6. The reactor core according to claim 4,
wherein said first fuel assemblies, each of which is adjacent to either three or four of said second fuel assemblies, are all of said first fuel assemblies arranged in said inner region.
7. (canceled)
8. (canceled)
9. (canceled)
10. A reactor core, comprising:
an outermost region;
a core region surrounded by said outermost region;
a plurality of fuel support members, each of which is disposed at a lower end portion of said outermost region and said core region; and
a plurality of fuel assemblies loaded in said outermost region and said core region and supported by said fuel support members;
wherein a plurality of said fuel assemblies disposed in said core region include a plurality of first fuel assemblies, each of which is inserted a first coolant passage which is formed in said fuel support member and has a first resistor having an opening, and a plurality of second fuel assemblies, each of which is inserted into each of second coolant passage which is formed in said fuel support members and has a second resistor having an opening and a larger pressure loss than that of said first resistor;
wherein when a distance between a center of said core region and an axis of said fuel assembly located at a furthest position from said center of said core region among all of said fuel assemblies adjacent to said outermost region and disposed in said core region is represented as L, said core region includes an inner region wherein said fuel assemblies, each of which has said axis on an inner side of a L\u221a{square root over (2)} position in a radial direction of said core region from said center of said core region, are loaded, and an outer region surrounding said inner region;
wherein when a number of said first fuel assemblies among four of said fuel assemblies separately adjacent to four lateral sides of each of said first fuel assemblies is represented as \u03b1, an average number \u03b1 in said inner region is no greater than 0; and
wherein said second fuel assemblies are arranged in said outer region including no said first fuel assemblies.
11. (canceled)
12. The reactor core according to claim 4,
wherein said first fuel assemblies, each of which is adjacent to either three or four of said second fuel assemblies, are all of said first fuel assemblies arranged in said inner region.
13. (canceled)
14. The reactor core according to claim 4,
wherein said first fuel assembly is a fuel assembly having an in-core fuel dwelling time which is shorter than that of a core average.

1460750890-44209726-7a11-4362-9c2e-3329ec933fcc

1-20. (canceled)
21. A fuel injector configured to inject fuel into a combustion chamber, the fuel injector comprising:
a body having a base portion opposite a nozzle portion, wherein the base portion is configured to receive the fuel into the body, and the nozzle portion is configured to be positioned adjacent to the combustion chamber;
a valve assembly carried by the base portion of the body, the valve assembly having\u2014
a first valve coupled to a first actuator;
a second valve coupled to a second actuator, wherein the first actuator is independently movable from the second actuator to introduce the fuel into the base portion, and the second actuator is independently movable from the first actuator to introduce the fuel into the nozzle portion; and

an igniter carried by the nozzle portion of the body and configured to ignite the fuel in the combustion chamber.
22. The fuel injector of claim 21, further comprising a third valve carried by the nozzle portion, wherein the third valve is independently movable from the first and second valves to introduce the fuel from the nozzle portion into the combustion chamber.
23. The fuel injector of claim 22 wherein the third valve moves in a direction of a flow of the fuel out of the nozzle portion.
24. The fuel injector of claim 22, further comprising a biasing member that urges the third valve in an opposite direction of the flow of the fuel to retain the third valve in a closed position.
25. The fuel injector of claim 22 wherein the igniter comprises an electrode that develops an ignition event across a gap with the third valve.
26. The fuel injector of claim 21 wherein the first valve moves in an opposite direction of a flow of the fuel into the base portion.
27. The fuel injector of claim 21 wherein the second valve moves in an opposite direction of a flow of the fuel into the base portion.
28. The fuel injector of claim 21, further comprising a biasing member that urges the second actuator in a direction of flow of the fuel to retain the second valve in a closed position.
29. The fuel injector of claim 21, further comprising an electromagnetic winding adjacent to the second actuator, wherein the electromagnetic winding selectively drives the second actuator to move the second valve between a closed position and an open position.
30. The fuel injector of claim 21, further comprising a fuel passage extending at least partially through the second actuator, wherein the fuel flows through the second passage to flow from the base portion to the nozzle portion.
31. The fuel injector of claim 21, further comprising a computer component carried by the base portion, wherein the computer component is configured to adaptively vary flow of the fuel through the fuel injector.
32. The fuel injector of claim 31, further comprising a pressure sensor coupled to the computer component, wherein the pressure sensor is carried by at least one of the base portion and the nozzle portion, and wherein the computer component is configured to adaptively vary the flow based at least in part on a combustion chamber property detected by the pressure sensor.
33. A fuel injector for injecting fuel into a combustion chamber, the fuel injector comprising:
a first end portion opposite a second end portion, wherein the second end portion is configured to be positioned adjacent to the combustion chamber;
a first valve at the first end portion to introduce the fuel into the first end portion;
a second valve at the first end portion, wherein the second valve moves independently from the first valve to introduce the fuel into the second end portion; and
an igniter integral with the second end portion, wherein the igniter is configured to ignite the fuel as the fuel flows into the combustion chamber.
34. The fuel injector of claim 33, further comprising:
a first actuator coupled to the first valve, wherein the first actuator moves the first valve in a first direction from a closed position to an open position; and
a second actuator coupled to the second valve, wherein the second actuator moves the second valve in a second direction from a closed position to an open position, and wherein the second direction is opposite the first direction.
35. The fuel injector of claim 34 wherein the first direction is generally parallel to a direction of fuel flow through the first and second end portions.
36. The fuel injector of claim 34, further comprising a third valve at the second end portion, wherein the third valve is independently movable from the first and second valves to introduce the fuel into the combustion chamber.
37. The fuel injector of claim 36 wherein a pressure of the fuel in the second end portion moves the third valve from a closed position to an open position to introduce the fuel into the combustion chamber.
38. The fuel injector of claim 34, further comprising:
a sensor carried by at least one of the first and second end portions, wherein the sensor is configured to detect one or more properties of the combustion chamber; and
a computer component coupled to the sensor, wherein the computer component is configured to control at least one of the first and second valves based at least in part on feedback from the sensor.
39. The fuel injector of claim 33, further comprising a dielectric fuel passage extending longitudinally along at least a part of the second end portion, wherein the dielectric fuel passage is configured to receive the fuel after the fuel passes beyond the second valve.
40. A fuel injector for injecting fuel into a combustion chamber, the fuel injector comprising:
a body having a base portion opposite an end portion;
first means for selectively introducing the fuel into the body, wherein the first means is carried by the base portion of the body;
second means for selectively metering flow of the fuel through the body, wherein the second means is carried by the base portion of the body proximate to the first means; and
third means for igniting the fuel as the fuel exits the nozzle portion, wherein the third means is carried by the end portion of the body.

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 animal training device comprising:
a. A rigid crossbar having two ends;
b. An animal attachment means connected to the rigid crossbar at one end; and
c. Two hand grips positioned on a surface of the rigid crossbar between the ends.
2. The animal training device of claim 1, the crossbar further comprising a bend positioned between the two grips such that one end is considered behind the other.
3. The animal training device of claim 2, the crossbar being curved between the bend and forward grip.
4. The animal training device of claim 1, the animal attachment means being selected from the set of animal attachment means consisting of a flaccid leash, a halter and a harness.
5. The animal training device of claim 4, the crossbar further comprising a bend positioned between the two grips such that one end is considered behind the other.
6. The animal training device of claim 5, the crossbar being curved between the bend and forward grip.