International Library of Technology · Scranton, International Textbook Co. · leaf 487
g/. The valve is operated by means ofthe link r. The piston or vane b is movable and is free toswing around in the chamber t. The partition w is fixed, sothat when oil is pumped in above w and is allowed to flowout below, the vane b moves clockwise and moves the rheo-stat arm in the same direction.… … Fia. 16. are arranged so that the oil passes in and out of the valvechamber without affecting the piston. Under such circum-stances, therefore, the rheostat arm remains stationary. Fig. 16 shows the arrangement of the valve. It is hereshown in its mid-position and the arrows show how the oilflows…
Electrical engineering
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