HYDRAULIC TRANSMISSION WITH STEPLESS GEARBOX Russian patent published in 2015 - IPC F16H39/36 F16H61/06 F04C2/77 

FIELD: engines and pumps.

SUBSTANCE: invention relates to hydraulic transmission. This transmission comprises fluid pump with identical engaged gears arranged in pump case front and rear sections as well as drive made integral with front and rear teeth turned through 180 degrees, drive shaft with front and rear gates with grooves for said teeth. Said gates are fitted on splined to displace therein. Web arranged on outer side of every tooth is composed of plate secured in said case and provided with hole for drive shaft and bore for appropriate gate. Prism is arranged on inner side of every tooth to slide there along to extend to the cylinder, prism tooth top diameter whereto appropriate gate is pressed and secured at driven shaft by telescopic spring. Prisms are connected with clutch arranged between teeth and screwed thereon, thread having opposite direction at clutch ends. Pump output control mechanism is arranged opposite said clutch in said case and composed of yoke secured in said case. Intermediate gear and advance and lagging levers are articulated with yoke pin. Small and large gears are fitted at centres of said levers. Thrusts are fitted at the ends of said levers. Said small and large gears engage with driven shaft via intermediate gear and driven shaft teeth. Said thrusts are arranged opposite arms fitted at control lever shaft to make every end contact with appropriate arm at depressing said control lever in appropriate direction.

EFFECT: simplified design.

3 dwg