RU1835112C - End-type rotor of thyratron motor - Google Patents

Abstract

Use of the invention: in electric contactless motors with valve switches. SUMMARY OF THE INVENTION: the device comprises an inductor with a shaft (4). It consists of two multipolar axially magnetized ring solid or prefabricated permanent magnets (1,2) with alternating directions of magnetization. They have the same outer and inner diameters. A ring (3) of magnetically soft material with a certain thickness is rigidly fixed between the opposite poles. 4 ill.

Description

The invention relates to electrical engineering, in particular to electric contactless motors with valve switches, and can be used to create valve electric motors.

The aim of the invention is to reduce the specific consumption of the PM material of an end-type rotor inductor per unit magnetic energy of the inductor.

It is proposed in the design of the end-type rotor comprising an inductor with a shaft that the inductor be made of two multipolar axially magnetized annular solid or prefabricated PMs with alternating directions of magnetization with the same external Onar. internal diameters and magnetization heights IPm, between the opposite poles of which a ring of magnetically soft material (MMM) is rigidly fixed with an external DHap. and internal DBH. diameters and height

0.71 L mm 1.4L, where

IBr (DLp-DlO

4n (B8th.ZVg) (0 ", p-L5)

l (rЈ.r-r1 „)

x (2-AGS 9T5TP G

sffi) + (

(L

WITH

00 GO SL

where Br is the residual induction of PM;

Bs is the saturation induction of the MMM ring;

n is the number of poles of the ring PM.

In FIG. 1.2 is a diagram of the proposed rotor of the end-face type of a valve electric motor containing an inductor of two multipolar axially magnetized annular solid PM - 1.2 with an alternating direction of magnetization with the same external Onar, internal DBH. diameters and height in

With

magnetization Lnm, between the opposite poles of which the ring 3 of MMM is rigidly fixed with the outer and inner diameters of Onar. and DBH., tall

0.7 LS hMM 1,4L, where

Br (oS.p-DgH)

. L d- Wr-.

, Br (0 (, w - P, u)

L 4n (b, -O. Zig) (o „.r-K x

, (L-arctg ,,

v.

constant consumption of material of permanent magnets of the inductor per unit of its magnetic energy, the inductor consists of two multipolar axially magnetized ring solid or prefabricated permanent magnets with alternating directions of magnetization, with the same outer and inner diameters, between the opposite poles of which a ring of magnetically soft material is rigidly fixed with a height of h, mm, 0.7 L h 1.4 L., where

Where. Br is the residual induction of PM;

Bs is the saturation induction of the MMM ring;

n is the number of poles of the ring PM.

PM 1,2 and ring 3 from MMM are mounted on shaft 4.

In Fig.3,4 presents a diagram of the proposed rotor end-face type valve motor with prefabricated multipolar axially magnetized annular PM.

Claims (1)

SUMMARY OF THE INVENTION An end-face rotor of a valve electric motor comprising an inductor with a permanent magnet and a shaft, characterized in that, in order to reduce the specific / 7 / 7f fffTS S n s / v Z Z s / v S n gjL / g. 1 iв g (о2.р - о2н) 15 (Bs-0.3 & r) (DH; p-bBH)  fr ltnhn. , qV (2UHaE) 2+ (UH.p-U.H) 2 + hL She R. - outer diameter of the magnet; DBH. - the inner diameter of the magnet; Br is the residual induction of permanent magnets. Bs is the induction of saturation with a magnet of a ring material; Nm magnetization height, n is the number of poles of the ring permanent magnets of the inductor. (pve.2 s.v S h  Sh. t //, 5L S L Fie.Z .B