Patent ID: 6539711
Filing Date: 2003-04-01
Classification: F02B,Y02T

Abstract:
Integral multifunctional system for motor vehicle, the system comprising;an internal combustion engine (15), a tank (13) for hydraulic liquid, a hydraulic accumulator (3), a hydraulic pump/motor (11), at least one auxiliary hydraulic actuating mechanism (14), a microcomputer (10), two electrically operated valves (6,8) and two non-return valves (7,9), a first sensor (4) for monitoring pressure and/or quantity of liquid of the hydraulic accumulator and, at least one second sensor (5) for monitoring engine parameters the above items been connected as follows: the shaft of the hydraulic pump/motor (11) is mechanically connected via a transmission (12) to the shaft of the internal combustion engine (15), the tank (13) is connected to the inlet of the hydraulic pump/motor (11) via a first non-return valve (9), allowing fluid to pass from the tank (13) to the hydraulic pump/motor (11), the outlet of the hydraulic pump/motor (11) is connected to the tank (13) via a first electrically operated valve (8), the outlet of the hydraulic pump/motor (11) is also connected to the hydraulic accumulator (3) via a second non-return valve (7), allowing fluid to pass the hydraulic pump/motor (11) to the accumulator (3), the hydraulic accumulator (3) is connected to the inlet of the hydraulic pump/motor (11) via a second electrically operated valve (6), the hydraulic accumulator (3) is also connected to the inlet of the auxiliary hydraulic actuating mechanism (14), the outlet of the auxiliary hydraulic actuating mechanism (14) is also connected to the tank (13), the microcomputer (10) is electrically connected to the two electrically operated valves (6,8), the microcomputer (10) also being electrically connected with the first sensor (4), hydraulically in contact with the hydraulic accumulator (3), the microcomputer (10) also being electrically connected with the at least one second sensor (5), which is fitted on the engine (15).