Tuner hose assembly for power steering system

Details Tuner hose assembly for power steering system Tuner hose assembly for power steering system

1994-12-07

1996-03-05

Lopez, F. Daniel

Power plants

Pressure fluid source and motor

Having means controlling or attenuating shock vibration,...

138111, 138 26, 181227, 417312, 285 49, F16D 3102

Patent

active

054957117

ABSTRACT:
A tuner hose assembly for a motor vehicle power steering system including a flexible hose, a first flexible tuner tube inside the flexible hose having an upstream end connected to a pump, and a second flexible tuner tube inside the flexible hose having a downstream end connected to a power steering gear. A downstream end of the first flexible tuner tube is longitudinally separated from an upstream end of the second flexible tuner tube by a wave interference gap which terminates where an inner wall of the flexible hose is clamped against the upstream end of the second flexible tuner tube. The length of the second flexible tuner tube is selected, i.e. "tuned", to attenuate higher order pump fluid-borne noise and simulates a rigid metal tube of a prior tuner hose assembly having greater overall length.

REFERENCES:
patent: 3323305 (1964-10-01), Klees
patent: 4285534 (1981-08-01), Katayama et al.
patent: 4611633 (1986-09-01), Buchholz et al.
patent: 4828068 (1989-05-01), Wendler et al.
patent: 5094271 (1992-03-01), Fritz et al.
patent: 5172729 (1992-12-01), Vantellini

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