| 摘要 |
<p>386,762. Field control of D.C. motors. SMITHSON, J. G., Oakdale, Alvechurch, Worcestershire. Dec. 1, 1931, No. 33269. Addition to 349,777. [Class 38 (iii).] The diverter generator c of the parent Specification is connected to the motor field a by a switch h under the control of a relay f in circuit with the motor armature b. The arrangement operates to disconnect the generator c when the motor armature current exceeds a predetermined value.</p> |
