US4513728 Air/fuel induction system for spark ignition internal combustion engines, and electromagnetic valves
Cited prior art · Thomas J. Ullman, Colin F. Shadbolt and 5 more · United States · 1985
engine, while 123/478; 261/69 A, 69 R; 251/61.5; 137/DIG. maintaining that regulated gas pressure above that sub sisting in the induction passage upstream of the