Hydraulic brake pressure control system of vehicle load responsi

Details Hydraulic brake pressure control system of vehicle load responsi Hydraulic brake pressure control system of vehicle load responsi

1983-04-18

1984-08-21

Butler, Douglas C.

Fluid-pressure and analogous brake systems

Load control

Responsive to fluid pressure spring

188195, B60T 818, B60T 822

Patent

active

044666730

ABSTRACT:
In a hydraulic brake pressure control system of the load responsive type for wheeled vehicles, a load sensing member in the form of a leaf spring or a torque bar is engaged with a spring loaded valve piston of a hydraulic brake pressure control valve to exert a biasing force against the valve piston depending upon the wheel load. The load sensing member is formed at its intermediate portion with a plurality of curved portions bent back in a plane perpendicular to the bending action plane of the sensing member. Each intermediate portion defined by the curved portions acts as a torsional element.

REFERENCES:
patent: 3701616 (1972-10-01), Kawai
patent: 3709568 (1973-01-01), Miyake et al.
patent: 3762776 (1973-10-01), Kawabe et al.
patent: 3773367 (1973-11-01), Osborne et al.
patent: 3802750 (1974-04-01), Kawai
patent: 3837713 (1974-09-01), Masuda et al.
patent: 4060283 (1977-11-01), Demido et al.
patent: 4142764 (1979-03-01), Kawaguchi
patent: 4228991 (1980-10-01), Crosby

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