JPH0380669U

JPH0380669U -

Info

Publication number: JPH0380669U
Application number: JP14135089U
Authority: JP
Priority date: 1989-12-05
Filing date: 1989-12-05
Publication date: 1991-08-19

Description

[Brief explanation of the drawing]

第１図は本考案の実施例を示す側断面図、第２
図は第１図に示す−断面に沿う正断面図、第
３図は要部断面図、第４図は他の実施例を示す要
部断面図、第５図、第６図は他の実施例を示す側
断面図である。１…フレーム、２…固定子、２１…固定子巻線
、２２…スロツト、２３…開口部、４…回転子、
６，６′，６５，６６…冷却管、６１…噴出孔、
６２，６２′，６７…連絡管、６３，６３′…流
入口、６４…排出口、７…保持具、８…ラジアル
磁気軸受、９…スラスト磁気軸受。 Fig. 1 is a side sectional view showing an embodiment of the present invention;
The figures are shown in Fig. 1 - a front sectional view along the cross section, Fig. 3 is a sectional view of the main part, Fig. 4 is a sectional view of the main part showing another embodiment, and Figs. 5 and 6 are other embodiments. It is a side sectional view showing an example. DESCRIPTION OF SYMBOLS 1... Frame, 2... Stator, 21... Stator winding, 22... Slot, 23... Opening, 4... Rotor,
6, 6', 65, 66...Cooling pipe, 61...Blowout hole,
62, 62', 67... Communication pipe, 63, 63'... Inlet, 64... Outlet, 7... Holder, 8... Radial magnetic bearing, 9... Thrust magnetic bearing.

Claims

[Claims for Utility Model Registration] 1. A cylindrical frame, a stator fixed to the inner surface of the frame, a plurality of slots for storing stator windings of the stator, and a plurality of slots arranged in the stator through gaps. A cooling device for a rotating electric machine comprising a rotor facing the rotor, the cooling pipe having a plurality of jet holes facing the surface of the rotor and fixed to the opening of the slot; A cooling device for a rotating electrical machine, comprising: an inlet for a cooling medium provided in the frame and communicating with a pipe; and an outlet in the frame. 2. The cooling device for a rotating electrical machine according to claim 1, wherein the plurality of cooling pipes communicate with the inlet via a communication pipe. 3. Claim 1 or 2, wherein the material of the cooling pipe is copper, one end communicates with the inlet, the other end closed, and fixed to the opening of the slot with a holder.
Cooling device for the described rotating electric machine. 4. The plurality of slots are provided with the cooling pipes for inflow and the cooling pipes for outflow alternately in the circumferential direction,
Claims 1 to 3, wherein the inflow cooling pipe is connected to the inlet, and the outflow cooling pipe is connected to the outlet.
The cooling device for a rotating electric machine according to any one of the preceding items. 5. The rotating electrical machine according to any one of claims 1 to 4, wherein the diameter of the jet hole provided in the center of the cooling pipe is increased, and the diameter of the jet hole provided in the portions near both ends is decreased. Cooling system. 6. The cooling device for a rotating electric machine according to claim 1, wherein the cooling pipe is provided in a slot of an excitation coil of a radial magnetic bearing. 7. The cooling device for a rotating electric machine according to claim 1, wherein the cooling pipe is provided in a slot of an excitation coil of a thrust magnetic bearing.