1-21. (canceled)
22. An optical transceiver, comprising:
an optical subassembly;
an inner fiber with a ferrule, an elastic member, and a flange in one end thereof;
a tray for guiding said inner fiber; and
an inner connector configured to receive said one end of said inner fiber, to be assembled with a stopper so as to hold said elastic member within said inner connector, to be movably supported by said tray, and to be engaged with said optical subassembly through a latch unit,
wherein said inner connector is movable between a retreated position and a coupled position.
23. The optical transceiver of claim 22,
wherein said inner connector makes said ferrule to couple optically with said optical subassembly at said coupled position, and does not interfere with an installation of said latch unit with said optical subassembly at said retreated position.
24. The optical transceiver of claim 22,
wherein said inner connector provides a groove configured to receive a latch finger of said tray, and
wherein said groove provides projections to determine said retreated position and said coupled position.
25. The optical transceiver of claim 24,
wherein said groove provides two projections, and
wherein said retreated position is determined between deeper projection and an end wall of said groove, and said coupled positions is determined between two projections.
26. The optical transceiver of claim 24,
wherein said groove provides three projections, and
wherein said retreated position is determined between a deepest projection and an end wall of said groove, and said coupled position is determined between shallowest projection and an intermediate projection.
27. The optical transceiver of claim 22,
wherein said inner connector provides a first portion to receive said inner fiber, a second portion to receive said elastic member and said flange, and a partition wall for dividing said first portion and said second portion, and
wherein said elastic member is set between said partition wall and said flange so as to push out said ferrule protruded from said stopper.
28. The optical transceiver of claim 22,
wherein said optical transceiver includes a plurality of optical subassemblies, a plurality of inner fibers each corresponding to one of said optical subassemblies, a plurality of inner connectors each coupled with one of said inner fibers, and a latch unit,
wherein said tray provides a plurality of slots each guiding one of said inner fibers therein and providing a pair of latch fingers for supporting one of said inner connectors,
wherein said latch unit includes a plurality of slots each installing one of said optical subassemblies and having a pair of fingers for engaging with one of said inner connectors, and
wherein each of said inner connectors is movable between said retreated position and said coupled position.
29-67. (canceled)
68. A connector assembly, comprising:
a latch unit for supporting an optical subassembly, said latch unit including a pair of latch fingers;
an inner fiber having a ferrule, a flange, and a coil spring in an end portion thereof, said coil spring having an end abutting against said flange;
a connector housing having a first space, a second space, and a center partition for partitioning said first and second spaces, said first space receiving said end portion of said inner fiber as another end of said coil spring abuts against said center partition, said second space securing said inner fiber continuous to said end portion,
wherein said first space of said connector housing is engaged with said latch fingers of said latch unit to couple said inner fiber optically with said optical subassembly optically.
69. The connector assembly of claim 68,
wherein said first space of said connector housing provides a pair of side latches each supported by said center partition, and
wherein said latch finger is engaged with said side latch of said connector housing.
70. The connector assembly of claim 69,
wherein said side latch has a U-shaped cross section, and
wherein said latch finger of said latch unit is secured within said U-shaped cross section.
71. The connector assembly of claim 68,
further comprising a ferrule stopper supported by said connector housing,
wherein said ferrule stopper prevents said ferrule, said flange and said coil spring from disassembling, and
wherein said ferrule, said flange, and said coil spring are set between said center partition and said beam of said ferrule stopper.
72. The connector assembly of claim 71,
wherein said ferrule stopper provides a U-shaped cross section with a beam and legs each extending from said beam,
wherein said ferrule passes an opening provided in said beam and said flange abuts against said beam.
73. The connector assembly of claim 72,
wherein said leg of said ferrule stopper provides a tab latched with said connector housing.
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 drive train cooling arrangement for motor vehicles, having a first cooling circuit and a second cooling circuit and having a pump arrangement, by means of which coolant can be fed to the first and the second cooling circuit, wherein the pump arrangement has a bidirectional pump, which has a first pump port and a second pump port and which can be driven by a pump electric motor, wherein the first pump port is connected to the first cooling circuit, wherein the second pump port is connected to the second cooling circuit and wherein a coolant volume flow which is provided for at least one of the first and the second cooling circuit can be adjusted by changing the rotational speed of the pump electric motor.
2. The cooling arrangement as claimed in claim 1, wherein at least one of the first and the second cooling circuit is connected to the respective pump port via a check valve.
3. The cooling arrangement as claimed in claim 1, wherein at least one of the first and the second pump port is connected to a low-pressure section via a suction valve.
4. The cooling arrangement as claimed in claim 1, wherein the first and the second cooling circuit are connected to one another via an orifice arrangement.
5. The cooling arrangement as claimed in claim 4, characterized in that the orifice arrangement has a check valve.
6. The cooling arrangement as claimed in claim 5, wherein the orifice arrangement has two parallel branches, wherein a check valve is arranged in at least one of the branches and wherein an orifice is arranged in at least one of the branches.
7. The cooling arrangement as claimed in claim 1, wherein the first cooling circuit has a clutch cooling circuit.
8. The cooling arrangement as claimed in claim 1, wherein the second cooling circuit has at least one of a transmission cooling circuit and an electric motor cooling circuit.
9. The cooling arrangement as claimed in claim 1, wherein the second cooling circuit is connected to the second pump port via a coolant cooler.
10. The cooling arrangement as claimed in claim 1, wherein at least one of first and the second cooling circuit has a bypass filter.
11. A method for operating a drive train cooling arrangement having a bidirectional pump and having a pump electric motor which drives the pump, wherein the direction of rotation of the pump electric motor is changed at a frequency in a range of from 0.1 Hz to 7 Hz.
12. The method of claim 11, wherein the drive train cooling arrangement has first and second cooling circuits which are fed with coolant by the bidirectional pump, the bidirectional pump having a first pump port and a second pump port, wherein the first pump port is connected to the first cooling circuit, wherein the second pump port is connected to the second cooling circuit and wherein a coolant volume flow which is provided for the first andor the second cooling circuit is adjusted by changing the rotational speed of the pump electric motor.