Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 301
f undue speed, toclose a circuit to the solenoid, and at the same time to open themain circuit and thereby stop the engine. Herringbone Spur=Gear Type. The latest type of electricelevator is what is called the herringbone spur-gear machine,Fig. 169. It consists of the usual bed plate with gear… … Fig. lf)9. T.indera-Uear Elevator with Herringbone Reducion Gearing Cnurtesu of Gurnei/ EJeviiior Compain/ pinion converge from the center of its face outward at an angleof about 60 degrees. Fig. 170; hence the name herringbone. There is nothing new about this type of s})ur gear, as it hasbeen in…
Electrical engineering
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