Air pressure control

Details Air pressure control Air pressure control

1989-12-05

1991-02-05

Joyce, Harold

B60H 132

Patent

active

049894994

ABSTRACT:
An air pressure control system for the passenger compartment of a vehicle including an open-loop for generating an open-loop valve position command, a closed-loop for generating a closed-loop correction signal, and a valve control for positioning a valve as a combined function of the open-loop position command and the closed-loop correction command, thereby regulating the flow of air from the passenger compartment and the compartment pressure.

REFERENCES:
patent: 2578539 (1951-11-01), Green
patent: 3392654 (1968-07-01), Grehier
patent: 3750555 (1973-08-01), Gotz
patent: 3911801 (1975-10-01), Stolz
patent: 4413550 (1983-11-01), Piano
patent: 4691623 (1987-09-01), Mizusawa
patent: 4788903 (1988-12-01), Johnson

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