Method and apparatus for regulating the internal pressure of a v

Details Method and apparatus for regulating the internal pressure of a v Method and apparatus for regulating the internal pressure of a v

1997-07-22

1999-11-16

Joyce, Harold

Ventilation

Vehicle

Pressure regulation

454105, F24F 1104

Patent

active

059847735

ABSTRACT:
A regulating apparatus and a regulating method for regulating the internal pressure P.sub.i of a ventilated, closed volume subjected to variations in external pressure P.sub.e, the apparatus including at least two compensation circuits enabling the intake air flow rate q.sub.1 and the extraction air flow rate q.sub.2 to be adjusted in real time so that the difference between these two flow rates algebraically compensates for the leakage flow rate q.sub.f, and maintains the internal pressure P.sub.i inside the volume at a constant level.

REFERENCES:
patent: Re24990 (1961-05-01), Del Mar
patent: 2407257 (1946-09-01), Del Mar
patent: 2549673 (1951-04-01), Del Mar
patent: 2549690 (1951-04-01), Klemperer
patent: 3473460 (1969-10-01), Emmons
patent: 5137490 (1992-08-01), Ishikawa et al.

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