| 摘要 |
A linear motor armature (1) is constructed by connecting in series a front module (10), at least one intermediate module (20), and a back module (30). The front module includes a first fluid passage, one end of which can be connected to the outside of the armature and the other end of which is open to the back edge (11B) of the front module, and a fifth fluid passage, one end of which can be connected to the outside of the armature and the other end of which is open at the back edge of the front module. The at least one intermediate module includes a second fluid passage, one end of which is open at the front edge (21A) of the intermediate module and the other end of which is open at the back edge (21B) of the intermediate module, and a fourth fluid passage, one end of which is open at the front edge of the intermediate module and the other end of which is open at the back edge of the intermediate module. The intermediate module further includes a coil (4) and a flat cooling tube (3) having a U-shaped fold into which the coil can be fit. The back module includes a third fluid passage, (32) both ends of which are open at the front edge (31A) of the back module. Coolant can be circulated in the first fluid passage, the second fluid passage, the third fluid passage, the fourth fluid passage and fifth fluid passage in order.
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