. The railroad and engineering journal . nto and out through the overflow at e. Assoon as the water appears at t the valve S is opened and thevalve / (S closed. The steam issuing from the nozzle/•meetsthe water in the nozzle £, and imparts to it sufficient force andvelocity to open the check-vaive //and discharge the fluid at I)into the pipes leading to the boiler. The supply is regulatedby the water-valvey. The lifting apparatus in this injector, it will be seen, is sepa-rate from and independent of the forcing nozzles, and has a freedischarge into the atmosphere. The forcing nozzles are allf
. The railroad and engineering journal . nto and out through the overflow at e. Assoon as the water appears at t the valve S is opened and thevalve / (S closed. The steam issuing from the nozzle/•meetsthe water in the nozzle £, and imparts to it sufficient force andvelocity to open the check-vaive //and discharge the fluid at I)into the pipes leading to the boiler. The supply is regulatedby the water-valvey. The lifting apparatus in this injector, it will be seen, is sepa-rate from and independent of the forcing nozzles, and has a freedischarge into the atmosphere. The forcing nozzles are allfixed nozzles, plain in construction, with large and unobstructedwater ways. The parts can easily be removed, and as the lift-ing as well as the forcing nozzles are in straight lines, smallobstructions can be removed by passing a wire through them. macks injector. Figs. 145 and 146 represent Macks injector, manufacturedby the National Tube WorlvS Company, of Boston. From thepreceding descriptions its construction and operation will be. SUCTION 1j OVERFl-OW Fig. 147. readily understood. The parts can be easily removed andcleaned, or renewed if worn by the action of impure water. HANCOCK INSPIRATOR. Figs. 147 and 148 represent outside and sectional views ofthe Hancock inspirator, manufactured by the Hancock Inspi-rator Company, of Boston. In this the lifting and forcing jetsand nozzles are independent of each other /I is the steam-supply pipe, £ is the water-supply pipe, C is the feed-pipeleading to ihe boiler, and O is the overflow, Z> is the liftingjet, E the lifting nozzle, C the forcing jet, and //the forcingnozzle. /^ is a slide-valve which governs the admission ofsteam to the nozzles, /is an overflow valve for the lifting sideof the injector, and J a similar valve for the forcing side. Infig. 147 a lever and handle is shown by which the working ofthe instrument is controlled. This lever is represented in twodifferent positions by the dotted center lines a i i and a b
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Keywords: ., bookcentury1800, bookdecade1880, bookidrailroadengi, bookyear1887
