Author: claimsbot

1. An apparatus for preventing over-cooling of a plurality of fuel cells, comprising:
a cooling fluid manifold formed in the fuel cells of a stack of the fuel cells and through which cooling fluid flows therethrough;
end plates that are arranged on both ends of the stack of the fuel cells; and
at least one protrusion that is provided to be protruded outward by a preset length on one surface of each of the end plates and are disposed at the end of the cooling fluid manifold to reduce the flow amount of only the cooling fluid which flows in and out between separating plates adjacent to the end plates through the cooling fluid manifold.
2. The apparatus for preventing over-cooling of a fuel cell of claim 1, wherein the at least one protrusion is fitted to an inside of the cooling fluid manifold to block a portion of a flow channel of the cooling fluid that is formed between the separating plates.
3. The apparatus for preventing over-cooling of a fuel cell of claim 1, wherein the at least one protrusion is shaped to correspond to a section of the cooling fluid manifold.
4. The apparatus for preventing over-cooling of a fuel cell of claim 1, wherein the at least one protrusion is installed on at least one side of an inlet and an outlet of the cooling fluid manifold.
5. The apparatus for preventing over-cooling of a fuel cell of claim 1, wherein the at least one protrusion is formed integrally with the end plate.
6. The apparatus for preventing over-cooling of a fuel cell of claim 1, further comprising a dummy cell not participating in power generation, which is arranged at a portion facing the end plate.
7. The apparatus for preventing over-cooling of a fuel cell of claim 1, wherein the cooling fluid is water.
8. A fuel cell vehicle comprising:
a fuel cell stack having a plurality of fuel cells;
a cooling fluid manifold formed in the fuel cells of the fuel cell stack and through which cooling fluid flows therethrough;
end plates that are arranged on both ends of the stack of the fuel cell; and
at least one protrusion that is provided to be protruded outward by a preset length on one surface of each of the end plates and are disposed at the end of the cooling fluid manifold to reduce only the flow amount of the cooling fluid which flows in and out between separating plates adjacent to the end plates through the cooling fluid manifold.
9. The fuel cell vehicle of claim 8, wherein the at least one protrusion is fitted to an inside of the cooling fluid manifold to block a portion of a flow channel of the cooling fluid that is formed between the separating plates.
10. The fuel cell vehicle of claim 8, wherein the at least one protrusion is shaped to correspond to a section of the cooling fluid manifold.
11. The fuel cell vehicle of claim 8, wherein the at least one protrusion is installed on at least one side of an inlet and an outlet of the cooling fluid manifold.
12. The fuel cell vehicle of claim 8, wherein the at least one protrusion is formed integrally with the end plate.
13. The fuel cell vehicle of claim 8, further comprising a dummy cell not participating in power generation, which is arranged at a portion facing the end plate.
14. The fuel cell vehicle of claim 8, wherein the cooling fluid is water.

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 biphenyl derivative represented by formula 1:
wherein:
R1 and R2 are independently a hydrogen; a C1-20 linear or branched alkyl group; a C5-20 cycloalkyl group; a C6-20 aryl group; and a C6-20 aryl group having at least one substituent selected from the group consisting of a halogen atom, a C1-10 halogenated alkyl group, \u2014Si(R)(R\u2032)(R\u2033), a C1-10 alkyl group, a C1-10 alkoxy group, a C6-10 aryl group, a C4-10 heteroaryl group, and \u2014N(R)(R\u2032);
Ar1, Ar2, Ar3 and Ar4 are independently a hydrogen; a C1-20 linear or branched alkyl group; a C5-20 cycloalkyl group; a C6-20 aryl group; and a C6-20 aryl group having at least one substituent selected from the group consisting of a halogen atom, a C1-10 halogenated alkyl group, \u2014Si(R)(R\u2032)(R\u2033), a C1-10 alkyl group, a C-1-10 alkoxy group, a C6-10 aryl group, a C4-10 heteroaryl group and \u2014N(R)(R\u2032) or at least one selected from the group consisting of Ar1 and Ar2, and Ar3 and Ar4 are joined together to form a fused ring structure with the N to which they are attached; and
R, R\u2032 and R\u2033 are independently selected from the group consisting of a hydrogen atom, a C1-10 alkyl group, a C1-10 alkoxy group, a C6-10 aryl group and a C4-10 heteroaryl group.
2. The biphenyl derivative of claim 1, wherein in formula 1, \u2014N(Ar1)(Ar2) andor \u2014N(Ar3)(Ar4) are independently a group represented by formula 2:
wherein:
X is a single bond or \u2014(CH2)n\u2014, where n is an integer of 1\u02dc2, \u2014C(R3)(R4)\u2014, \u2014CH\u2550CH\u2014, \u2014S\u2014, \u2014O\u2014 or \u2014Si(R3)(R4)\u2014;
A1, A2, A3, A4, A5, A6, A7, A8, R3, and R4, are independently a hydrogen atom; a C1-20 linear or branched alkyl group; a C5-20 cycloalkyl group; a C5-20 aryl group; and a C5-20 aryl group having at least one substituent selected from the group consisting of a halogen atom, a C1-10 halogenated alkyl group, \u2014Si(R)(R\u2032)(R\u2033), a C1-10 alkyl group, a C1-10 alkoxy group, a C6-10 aryl group, a C4-10 heteroaryl group and \u2014N(R)(R\u2032), at least one selected from the group consisting of A1 and A2, A2 and A3, A3 and A4, A5 and A6, A6 and A7, and A7 and A8 being interconnected, respectively; and
R, R\u2032 and R\u2033 are independently selected from the group consisting of a hydrogen, a C1-10 alkyl group, a C1-10 alkoxy group, a C6-10 aryl group and a C4-10 heteroaryl group.
3. The biphenyl derivative of claim 2, wherein the group represented by formula (2) is one selected from the group consisting of groups (2a) through (2h):
wherein:
A1, A2, A3, A4, A5, A6, A7, A8, R3 and R4 are independently a hydrogen atom; a C1-20 linear or branched alkyl group; a C5-20 cycloalkyl group; a C5-20 aryl group; and a C5-20 aryl group having at least one substituent selected from the group consisting of a halogen atom, a C1-10 halogenated alkyl group, \u2014Si(R)(R\u2032)(R\u2033), a C1-10 alkyl group, a C1-10 alkoxy group, a C6-10 aryl group, a C4-10 heteroaryl group and \u2014N(R)(R\u2032), at least one selected from the group consisting of A1 and A2, A2 and A3, A3 and A4, A5 and A6, A6 and A7, and A7 and A8 being interconnected, respectively; and
R, R\u2032 and R\u2033 are independently selected from the group consisting of a hydrogen, a C1-10 alkyl group, a C1-10 alkoxy group, a C6-10 aryl group and a C4-10 heteroaryl group.
4. The biphenyl derivative of claim 1, wherein in formula 1, \u2014N(Ar1)(Ar2) andor \u2014N(Ar3)(Ar4) are independently a group represented by formula 3:
wherein R5 and R6 are independently a hydrogen; a C1-20 linear or branched alkyl group; a C5-20 cycloalkyl group; a C5-20 aryl group; and a C5-20 aryl group having at least one substituent selected from the group consisting of a halogen atom, a C1-10 halogenated alkyl group, \u2014Si(R)(R\u2032)(R\u2033), a C1-10 alkyl group, a C1-10 alkoxy group, a C6-10 aryl group, a C4-10 heteroaryl group and \u2014N(R)(R\u2032), R, R\u2032 and R\u2033 being independently selected from the group consisting of a hydrogen, a C1-10 alkyl group, a C1-10 alkoxy group, a C6-10 aryl group and a C4-10 heteroaryl group.
5. The biphenyl derivative of claim 4, wherein in formula 3, R5 and R6 are independently a group represented by formula 4:
wherein B1, B2, B3, B4 and B5 are independently a hydrogen; a C1-20 linear or branched alkyl group; a C5-20 cycloalkyl group; a C6-20 aryl group; and a C6-20 aryl group having at least one substituent selected from the group consisting of a halogen atom, a C1-10 halogenated alkyl group, \u2014Si(R)(R\u2032)(R\u2033), a C1-10 alkyl group, a C1-10 alkoxy group, a C6-10 aryl group, a C4-10 heteroaryl group and \u2014N(R)(R\u2032), R, R\u2032 and R\u2033 being independently selected from the group consisting of a hydrogen, a C1-10 alkyl group, a C1-10 alkoxy group, a C6-10 aryl group, and a C4-10 heteroaryl group.
6. The biphenyl derivative of claim 1, wherein the compound represented by formula 1 is at least one selected from the group consisting of compounds represented by formulas 1a through 1e;.
7. An organic EL device comprising an organic layer positioned between a pair of electrodes, the organic layer containing the biphenyl derivative of any one of claims 1 through 6.
8. The organic EL device of claim 7, wherein the organic layer is an emissive layer or a hole blocking layer.
9. The organic EL device of claim 7, wherein the organic layer is an emissive layer, the emissive layer comprising 70 to 99.9% by weight of the biphenyl derivative and 0.1 to 30% by weight of a dopant.

1. A window assembly, comprising:
a first sash and a second sash, the first and second sashes each including a pane of glass disposed between a pair of horizontal rails and a pair of vertical stiles;
a frame configured to retain the first and second sashes along a vertical plane of the frame; and
a mechanism configured to simultaneously and correspondingly move a second sash in second direction upon movement of a first sash in a first direction opposite the second direction.
2. The window assembly of claim 1, wherein the first and second sashes are substantially equal weight.
3. The window assembly of claim 1, wherein the mechanism includes a pulley assembly coupling the first sash to the second sash.
4. The window assembly of claim 1, further comprising a first screen assembly attached along an edge of the first sash and a second screen assembly attached along an edge of the second sash, wherein the first and second screen assemblies are configured to cover open areas in the window assembly corresponding to the first and second sashes in open positions.
5. The window assembly of claim 4, wherein the first screen assembly includes a screen roller attached to a header of the frame and the second screen assembly includes a screen roller attached to a sill of the frame.
6. The window assembly of claim 1, wherein the first sash includes a latch assembly.
7. The window assembly of claim 1, wherein mechanism further comprises the second sash coupled to the first sash with a sash cord and the first and second sashes configured to counterbalance one another.
8. The window assembly of claim 1, wherein the first and second sashes each comprise a single pane of glass.
9. The window assembly of claim 1, wherein the first and second sashes each comprise a corresponding interlock configured to interconnect in a closed position.
10. A double-hung window assembly, comprising:
a frame including a sill, a header, and opposing jambs;
an upper and a lower sash each comprising of a pane of glass, opposing rails and opposing stiles configured to secure the pane of glass, wherein the stiles are configured to be slidably disposed along the opposing jambs of the frame; and
two rolling screen assemblies, one each disposed at the sill and the header of the frame, each of the two rolling screen assemblies including a screen roller and a screen having an edge portion configured to attach along one of the rails of the upper and lower sashes;
wherein the screens are extendable toward a centerline of the frame, and
wherein the upper and lower sashes are configured to be simultaneously moveable in opposite directions upon movement of one of the sashes.
11. The double-hung window assembly of claim 10, wherein each of the two sashes further comprise weather stripping along a perimeter of at least one of an interior or exterior surface.
12. The double-hung window assembly of claim 10, further comprising a pulley assembly configured along each of the opposing jambs, each pulley assembly having a pulley and a sash cord, wherein the upper and lower sashes are coupled to the pulley assembly by the sash cord.
13. The double-hung window assembly of claim 10, wherein opposing ends of each of the two screens extend into a profile of the opposing jambs of the frame.
14. The double-hung window assembly of claim 10, further comprising a screen cover at each of the two rolling screen assemblies.
15. The double-hung window assembly of claim 10, wherein upper and lower sashes are configured to releasably interlock along adjoining rails when in a closed position.
16. The double-hung window assembly of claim 10, wherein the lower sash assembly further comprises a lift handle.
17. The double-hung window assembly of claim 12, wherein each pulley assembly is coupled to the header adjacent to the opposing ends of the screen roller.
18. The double-hung window of claim 10, wherein in the upper and lower sashes are configured to latch together.
19. A method comprising:
moving a first sash in a first direction, wherein a second sash moves an equal distance in a second direction opposite the first direction, wherein the first and second sashes are coupled together and have a substantially equal mass.
20. The method of claim 19, further comprising releasably latching the first sash at the distance.

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 modular device for supporting a camera and attaching it to a motorcycle comprising:
(a) a solid, partial ring-shaped bracket with a plurality of holes drilled at spaced locations to accommodate a means for mounting it to an object,
(b) said bracket possesses a stand off portion which projects from the bracket’s midpoint and whose underportion is slightly relieved,
(c) said stand off portion has holes to accommodate means for attaching
(d) a solid, horizontal shaft with three equidistantly spaced holes along its center which are drilled and tapped to accommodate
(e) a threaded knob or other means of securing and adjusting
(f) a substantially angled bracket which pivots vertically and serves as a base for
(g) a rectangular platform.
2. A modular supporting device comprising a partial ring-shaped bracket with a stand off portion, a shaft suitable for attachment of said shaft to said stand off portion, and an angled bracket suitable for adjustable attachment to said shaft, wherein said device is capable of supporting an electronic device when mounted on a motorcycle.
3. The modular supporting device of claim 2, wherein said device comprises a lightweight material.
4. The modular supporting device of claim 3, wherein said lightweight material is selected from the group consisting of aluminum, high-carbon steel, titanium and polycarbonate.
5. The modular supporting device of claim 2, wherein said partial ring-shaped bracket has holes for attaching said bracket to a motorcycle tank.
6. The modular supporting device of claim 2, wherein said stand off portion of said partial ring-shaped bracket has an underportion that is slightly relieved.
7. The modular supporting device of claim 2, wherein said shaft has a hole suitable for attaching said angled bracket to facilitate adjustment of said angled bracket through pivot movement.
8. The modular supporting device of claim 2, wherein said electronic device comprises a camera.
9. The modular supporting device of claim 2, wherein said electronic device is selected from the group consisting of a small electronic device, a GPS receiver, a mobile phone, a compact disc player and a radar detector.
10. The modular supporting device of claim 2, wherein said device further comprises a platform suitable for attachment to said angled bracket.
11. A device for attaching an electronic device to a motorcycle comprising means for attaching a bracket to a motorcycle tank, said bracket being capable of attachment to a shaft, and means for attaching an angled bracket to said shaft, wherein said device is capable of supporting an electronic device when mounted on a motorcycle.
12. The device of claim 11, wherein said device comprises a lightweight material.
13. The device of claim 12, wherein said lightweight material is selected from the group consisting of aluminum, high-carbon steel, titanium and polycarbonate.
14. The device of claim 11, wherein said bracket has holes for attaching said bracket to a motorcycle tank.
15. The device of claim 11, wherein said bracket has a stand off portion with an underportion that is slightly relieved.
16. The device of claim 11, wherein said shaft has a hole suitable for attaching said angled bracket to facilitate adjustment of said angled bracket through pivot movement.
17. The device of claim 11, wherein said electronic device comprises a camera.
18. The device of claim 11, wherein said electronic device is selected from the group consisting of a small electronic device, a GPS receiver, a mobile phone, a compact disc player and a radar detector.
19. The device of claim 11, wherein said device further comprises a platform suitable for attachment to said angled bracket.