Automatic regulating valve of the air flow sucked out of a room

Details Automatic regulating valve of the air flow sucked out of a room Automatic regulating valve of the air flow sucked out of a room

1986-06-13

1987-09-01

Rosenthal, Arnold

Valves and valve actuation

Electrically actuated valve

Solenoid having plural coils

251 65, 25112922, 98 412, F16K 3108

Patent

active

046903720

ABSTRACT:
It comprises an actuating device (22 to 27) of the obturating member (16) provided with a sliding shaft (22) fast with the obturation member, and carrying two permanent magnets (24, 25) separated the one from the other through a distance defining the variation of the cross-section of the passage of the air channel. It comprises further at least one coil (25, 27) enabling to create a magnetic field.

REFERENCES:
patent: 1200375 (1916-10-01), Litle, Jr.
patent: 3203447 (1965-08-01), Bremner et al.
patent: 3332045 (1967-07-01), Rodaway
patent: 4383477 (1983-05-01), Nilsson et al.

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