Fluid handling – Self-proportioning or correlating systems – Supply and exhaust type
Patent
1988-10-07
1990-05-08
Michalsky, Gerald A.
Fluid handling
Self-proportioning or correlating systems
Supply and exhaust type
137225, 137226, 152416, F16K 710
Patent
active
049229460
ABSTRACT:
A piloted pneumatic valve for controlling pressure at a distance. The valve includes a cavity divided into two chambers by a membrane. One chamber is the pilot chamber, and the other the escape chamber, connected to a pressurization and depressurization circuit, connected to the controlled pressurized volume through an orifice, and to the outside air through at least one escape hole. The system also includes a piloted valve pressing the membrane against the orifice to close it, and an opening, communicating with the circuit leading to the pressurized volume, and fitted with a check valve poppet prohibiting flow back from the capacity to the circuit. For application to automotive vehicles.
REFERENCES:
patent: 134220 (1872-12-01), Riley
patent: 2633889 (1953-04-01), Vignin
patent: 3084707 (1963-04-01), Frye
patent: 3086542 (1963-04-01), Mosier
patent: 3093153 (1963-06-01), Horowitz
patent: 3314440 (1967-04-01), Horowitz
patent: 3606904 (1971-09-01), Taylor
patent: 4744399 (1988-05-01), Magnuson et al.
patent: 4782879 (1988-11-01), Le Chatelier et al.
Etat Francais
Michalsky Gerald A.
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