Patent ID: 9512859
Filing Date: 2016-12-06
CPC Classification: B60K,F03C,F04B,F15B,F16H

Claim Text:
1. A hydraulic transmission circuit comprising: two main conduits, respectively for supplying fluid and for discharging fluid; exactly three hydraulic elementary motors associated for a same drive; each of said elementary motors having a first secondary enclosure for supplying fluid and a second secondary enclosure for discharging fluid; said motors delivering output torques in the same direction when they are fed via their first respective secondary enclosures; a first, a second, a third and a fourth distribution valve; wherein: each of said distribution valves has an outlet channel and two inlet channels, and is capable of selectively connecting the outlet channel with selectively either one of said inlet channels; said two inlet channels of said distribution valves are connected to said two main conduits respectively; each of the elementary motors is exclusively connected to a pair of valves formed by the valve from among the first and second distribution valve to which the first secondary enclosure of the relevant motor is connected, and the valve from among the third or fourth distribution valve to which the second secondary enclosure of the relevant motor is connected; each of the pairs of valves associated with each of the elementary motors is a unique combination of the first, the second, the third, and the fourth distribution valves; and said outlet channels of said first, second, third and fourth distribution valves are respectively connected: to the first secondary enclosures of the first and second elementary motors; to the first secondary enclosure of the third elementary motor; to the second secondary enclosure of the first elementary motor; to the second secondary enclosures of the second and third elementary motors.