| 摘要 |
<p>1536817 Exhaust brake operation CATERPILLAR TRACTOR CO 6 Sept 1977 [7 Feb 1977] 37145/77 Heading F1B [Also in Division F2] An exhaust brake valve 22 is closed by air pressure and so shaped and dimensioned with respect to the actuating cylinder/piston 34, 38 and the section of exhaust pipe 18 containing the exhaust brake that a predetermined exhaust gas pressure is not exceeded, the valve being forced open by exhaust pressure compressing the air in the cylinder when the predetermined pressure is exceeded.</p> |
