Modulator preset circuit

Details Modulator preset circuit Modulator preset circuit

1984-04-10

1986-09-23

Stoner, Jr., Bruce H.

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

244111, B60T 868

Patent

active

046131906

ABSTRACT:
A modulator preset circuit for an aircraft antiskid system is disclosed which operates to preset the modulator to a value proportional to aircraft velocity in order to reduce maximum available braking pressure to a greater degree for higher velocities than for lower velocities of the aircraft. This modulator preset circuit is enabled automatically at the start of a landing in order to ensure that the modulator is properly preset prior to the initiation of any braking activity. In alternate forms, the preset circuit can be enabled at all times. By presetting the modulator in this way initial skid activity immediately after aircraft touchdown is markedly reduced, thereby increasing braking efficiency and reducing tire wear.

REFERENCES:
patent: 2799462 (1957-07-01), Steigerwald
patent: 3131975 (1964-05-01), Smith et al.
patent: 3582151 (1971-06-01), Ruof
patent: 3768873 (1973-10-01), Hirzel
patent: 4130322 (1978-12-01), Cook
patent: 4180223 (1979-12-01), Amberg
patent: 4327414 (1982-04-01), Klein
patent: 4338667 (1982-07-01), Cook et al.
patent: 4430715 (1984-02-01), Gentet et al.

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