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AssigneeValeo
InventorsClaude Ledamoisel, Robert Michel, Veve R. Randriazanamparany
Estimating the term…
The steering of a motor vehicle is assisted by a power steering means including a hydraulic distributor which is supplied with pressurized fluid by a pump from a reservoir. The vehicle also has a clutch having hydraulic servo assistance supplied by a servo unit. The distributor of the power steering system and the clutch servo unit are both supplied with hydraulic fluid from the same pump and reservoir, through a distribution unit which is so arranged that the power steering system has first call at all times on the available pressurized fluid. The distributor unit includes a flow distributing valve, fed from the pump and dividing the flow between a main circuit which leads to the steering distributor, and a secondary circuit which leads to the servo unit. A pressure regulating valve is connected to both the main circuit and the secondary circuit so as to regulate the pressure in each of these circuits according to the demand of the power steering system.
A fluid supply apparatus for a motor vehicle having steering control means, hydraulic steering assistance means for providing steering assistance to and associated with the steering control means and comprising a hydraulic fluid source, a hydraulic distributor and means connecting the fluid source to the distributor for supplying the distributor with fluid under pressure, the vehicle also having a further hydraulically operated actuating mechanism, servo means associated with the actuating mechanism for assisting in operation of said actuating mechanism, and fluid supply apparatus connected between said fluid source, and both the hydraulic distributor and said servo means, the fluid supply apparatus comprising a hydraulic fluid distribution unit for selectively distributing fluid under pressure to the hydraulic distributor and the servo means, said distribution unit comprising a main circuit, a secondary circuit, flow distribution means connected between the fluid source and the main and secondary circuits for dividing the flow of fluid received from said source between the main circuit and the secondary circuit, the main circuit being connected with the hydraulic distributor whereby to supply the steering assistance means and the secondary circuit being connected with said servo means, the distribution unit further comprising a pressure regulating means connected to the main and secondary circuits for regulating the pressure of the fluid flow in said circuits in response to the demand of the steering assistance means,
A fluid supply apparatus for a motor vehicle having:
Dependencies are inferred from the claim text.