HYDRAULIC ASSISTANCE SYSTEM Russian patent published in 2018 - IPC B60K17/356 B60K23/08 

FIELD: transportation.

SUBSTANCE: invention relates to a vehicle hydraulic assistance method. Hydraulic assistance system contains two hydraulic devices connected to each other by a supply line and a return line, a pumping source and a tank. Pumping source is connected by a pumping line to the supply and return lines and takes the oil out of the tank. There is also a vacuum valve having an input port connected to the supply and return lines and an outlet port connected to the reservoir. Vacuum valve can be in a first passing state and in a second blocking state. This method contains the following steps: E1, on which the pumping source is activated when the vehicle satisfies at least one predetermined condition, vacuum valve is in the first passing state, and E2, on which the vacuum valve is switched from the first passing state to the second blocking state, when hydraulic assistance is required.

EFFECT: reduction of wear of the device is achieved.

14 cl, 7 dwg