Ricketts later engines had spur wheels; but his last engines were direct-acting.
It was worked by a pair of direct-acting engines, coupled to the crank shaft.
Steam was generated in forty boilers fired by furnace gas, for eight vertical, direct-acting blowing engines.
Each was fitted with a Blake, horizontal, direct-acting, vacuum pump.
In larger vessels, as in yachts, in nearly all cases, the ordinary screw-engine is direct-acting.
A vastly simpler form of pumping-engine without fly-wheel is the now common “direct-acting steam-pump.”
direct-acting compressors are liable to center when doing work at slow speed.
Each engine was reversed by a Brown type of direct-acting steam and hydraulic engine.
Fishers carriages were driven by direct-acting engines, one cylinder on each side of the smoke-box.
In a direct-acting engine the throw of the crank is equal to the stroke of the piston.