公开(公告)号：WO1980002089A1

公开(公告)日：1980-10-02

申请号：PCT/US1980000223

申请日：1980-03-03

Applicant: ELTRA CORP

Inventor： ELTRA CORP ,  MAJOR J

IPC: H02K23/26

CPC classification number: H02K23/32 ,  H02K15/066

Abstract: A technical problem with a four pole wave wound direct current motors is that excessive currents flow in single turn windings when such a motor is operated at relatively low speeds and/or relatively high voltages, and that plural turn windings can not be formed for a reduced number of commutator segments or from heavy gauge rectangular wire, to efficiently fill armature slots. This problem is solved by a plural turn winding (19) having two ends (95, 97) for connection to commutator segments substantially 180o apart on the armature (10) and with at least four sides (82, 84, 86, 88) defining at least two open turns, for engaging slots (17) in the armature core (16) which are spaced substantially 90o apart. A three open turn winding (100) is also disclosed. The number of open turns is limited only by space available in the armature coil slots (17).

Abstract translation: 四极绕波直流电动机的技术问题是当这种电动机以相对较低的速度和/或相对高的电压运行时，单匝绕组中的过量电流流动，并且不能形成多个匝绕组以减少 换向片数量或重型矩形线，以有效地填充衔铁槽。 该问题通过具有两个端部（95,97）的多个匝绕组（19）来解决，所述两个端部（95,97）用于连接到在电枢（10）上基本上为180°的换向器段，并且至少四个侧面（82,84,86,88）限定 至少两个开放的匝，用于接合间隔大约90°的电枢铁芯（16）中的槽（17）。 还公开了三个开匝绕组（100）。 开路匝数仅受电枢线圈槽（17）中可用的空间限制。