The invention discloses a full hydraulic braking and fan driving system. The system comprises a fuel tank (1), a fuel returning filter (2), a heat radiator (6), a fan motor (7), a reverse valve (8), a wheel brake (9), a brake valve (10), an energy accumulator (11) and a parking brake (12) and further comprises a variable pump (3), a control valve (4) and a prefill valve (13). When the pressure of a full hydraulic braking system is lower than a value X1, the prefill valve feeds back a signal to the control valve, the control valve feeds back a signal to the variable pump to increase the flow of the variable pump under the control of the signal fed back by the prefill valve and increase the resistance to flow to a driving fan system. The prefill valve feeds back a signal to the control valve until the pressure of the full hydraulic braking system reaches a value X2 (X2 is greater than X1); and the control outputs a signal to the variable pump according to a signal fed back by the driving fan system; therefore, a flow is supplied by the variable pump according to the needs of the driving fan system.
Full hydraulic braking and fan driving system
2015-10-07
Patent
Electronic Resource
English
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