 | Dionysius Lardner - 1848 - 138 pages
...provided, and placed at the disposal of the engineer. 24. An easy and obvious expedient suggests itself for cutting off the feed, and supplying it according...be made to act by its rod upon the gearing of the feed pumps, exactly as it acts upon the valve in the feed cistern in low-pressure boilers ; so that... | |
 | 1862 - 966 pages
...provided, and placed at the disposal of the engineer. 24. An easy and obvious expedient suggests itself for cutting off the feed, and supplying it according...should become too high, the pump should be thrown ont of gear ; and whenever it was too low, it should be thrown into action. SECTION XXIII. — HOW... | |
 | William John Macquorn Rankine - 1866 - 624 pages
...in stationary boilers, there is often a self-acting apparatus to regulate the feed, controlled by a float which rises and falls with the level of the water in the boiler. The proper dimensions of feed pumps will be considered farther on. In cases in which a float within... | |
 | Amédée Guillemin - 1877 - 802 pages
...for example, the alarm float and the magne>ic float. A float (it is generally a hollow metal ball) rises and falls with the level of the water in the boiler. It is supported by a rod, which forms one arm of a lever turning about a fixed point; the other arm... | |
 | American Railway Master Mechanics' Association - 1918 - 678 pages
...water in hot-water tank, the suction end being supported by a float or buoy, as shown in Fig. 2 at G, which rises and falls with the level of the water in the tank. The other end of adjustable pipe connects with a flexible joint at M, and forms a connection... | |
 | Henry Robinson - 1904 - 374 pages
...water from the mains of the London Hydraulic Power Co. The starting and stopping are controlled by a float which rises and falls with the level of the water in the sumph. As the higher level is approached, the apparatus comes into action, ejects the water until the... | |
 | Henry Robinson - 1904 - 374 pages
...water from the mains of the London Hydraulic Tower Co. The starting and stopping are controlled, by a float which rises and falls with the level of the water in the sumph. As the higher level is approached, the apparatus comes into action, ejects the water until the... | |
 | Frederick James Drover - 1924 - 550 pages
...working level passes through the centre of the box. FIG. 165. — Section through Float Box. The float rises and falls with the level of the water in the boiler, opening or closing the valve, and is so arranged that as the level of the water falls, and the float,... | |
 | Kenneth G. Oliver - 1991 - 406 pages
...TANK SW1TCHES FOR H1GH AND LOW ALARM SERV1CE ON GRAV1TY TANKS Tank switches are actuated by a ball float which rises and falls with the level of the water in the tank. The switch mechanism may be a mercury-to-metal type, or an exposed heavy-duty, snap-action type... | |
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An easy and obvious expedient suggests itself for cutting off the feed, and supplying it according to the wants of the boiler, which, however, I do not recollect seeing adopted in practice. 25. The float which rises and falls with the level of the water... 