Brotherhood of Locomotive Engineers' Monthly Journal, Volumen691935 |
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Página 207
... pressure steam piston . The move- ment of the low pressure air piston pass- ing through its cylinder produces a par- tial vacuum or suction in the lower end of the cylinder which causes the lower inlet valve to open and allows air at at ...
... pressure steam piston . The move- ment of the low pressure air piston pass- ing through its cylinder produces a par- tial vacuum or suction in the lower end of the cylinder which causes the lower inlet valve to open and allows air at at ...
Página 208
... pressure to fall gradually . The fall of the pressure above the equalizing piston allows the brake pipe pressure under the equalizing piston to raise it and unseat its valve , allowing brake pipe air to flow to atmosphere gradually ...
... pressure to fall gradually . The fall of the pressure above the equalizing piston allows the brake pipe pressure under the equalizing piston to raise it and unseat its valve , allowing brake pipe air to flow to atmosphere gradually ...
Página 851
... pressure governor head controls the compressor when the same brake pipe pressure is obtained as regularly car- ried . If this is 70 pounds and 20 pounds excess pressure had been carried , it would mean reducing the feed valve ad ...
... pressure governor head controls the compressor when the same brake pipe pressure is obtained as regularly car- ried . If this is 70 pounds and 20 pounds excess pressure had been carried , it would mean reducing the feed valve ad ...
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