An encapsulated stator comprising: a driving module (11, 21, 31) including a silicon steel plate unit (111, 211, 311), with a coil unit (112, 212, 312) wound around the silicon steel plate unit (111, 211, 311); a jacket (12, 22, 32) mounted to the silicon steel plate unit (111, 211, 311) of the driving module (11, 21, 31), with the jacket (12, 22, 32) including an inner face (12a, 22a, 32a) and an outer face (12b, 22b, 32b) opposite to the inner face (12a, 22a, 32a), with the inner face (12a, 22a, 32a) of the jacket (12, 22, 32) facing the driving module (11, 21, 31), wherein the jacket (12, 22, 32) includes a coupling hole (121, 221, 321) receiving the silicon steel plate unit (111, 211, 311), the jacket (12, 22, 32) is mounted around the outer periphery of the silicon steel plate unit (111, 211, 311), the coupling hole (121, 221, 321) has two ends each having an opening, the openings are aligned with each other, the jacket (12, 22, 32) includes first and second end faces (122 and 123, 222 and 223, 322 and 323) respectively surrounding the openings of the coupling hole (121, 221, 321); and an encapsulant (13, 23, 33) bonded to the driving module (11, 21, 31) and the jacket (12, 22, 32), with the encapsulant (13, 23, 33) encapsulating the driving module (11, 21, 31), with the encapsulant (13, 23, 33) partially encapsulating the outer face (12b, 22b, 32b) of the jacket (12, 22, 32); the encapsulated stator is characterized in that: the outer face (12b, 22b, 32b) of the jacket (12, 22, 32) is partially exposed, wherein the encapsulant (13, 23, 33) is bonded to the first and second end faces (122 and 123, 222 and 223, 322 and 323) of the jacket (12, 22, 32) and to portions of the outer face (12b, 22b, 32b) adjacent to the first and second end faces (122 and 123, 222 and 223, 322 and 323) of the jacket (12, 22, 32). a driving module (11, 21, 31) including a silicon steel plate unit (111, 211, 311), with a coil unit (112, 212, 312) wound around the silicon steel plate unit (111, 211, 311); a jacket (12, 22, 32) mounted to the silicon steel plate unit (111, 211, 311) of the driving module (11, 21, 31), with the jacket (12, 22, 32) including an inner face (12a, 22a, 32a) and an outer face (12b, 22b, 32b) opposite to the inner face (12a, 22a, 32a), with the inner face (12a, 22a, 32a) of the jacket (12, 22, 32) facing the driving module (11, 21, 31), wherein the jacket (12, 22, 32) includes a coupling hole (121, 221, 321) receiving the silicon steel plate unit (111, 211, 311), the jacket (12, 22, 32) is mounted around the outer periphery of the silicon steel plate unit (111, 211, 311), the coupling hole (121, 221, 321) has two ends each having an opening, the openings are aligned with each other, the jacket (12, 22, 32) includes first and second end faces (122 and 123, 222 and 223, 322 and 323) respectively surrounding the openings of the coupling hole (121, 221, 321); and an encapsulant (13, 23, 33) bonded to the driving module (11, 21, 31) and the jacket (12, 22, 32), with the encapsulant (13, 23, 33) encapsulating the driving module (11, 21, 31), with the encapsulant (13, 23, 33) partially encapsulating the outer face (12b, 22b, 32b) of the jacket (12, 22, 32); the encapsulated stator is characterized in that: the outer face (12b, 22b, 32b) of the jacket (12, 22, 32) is partially exposed, wherein the encapsulant (13, 23, 33) is bonded to the first and second end faces (122 and 123, 222 and 223, 322 and 323) of the jacket (12, 22, 32) and to portions of the outer face (12b, 22b, 32b) adjacent to the first and second end faces (122 and 123, 222 and 223, 322 and 323) of the jacket (12, 22, 32).