Motors: expansible chamber type – Relatively movable working members with one having motive... – Position of one working member controls motive fluid for...
Patent
1985-12-11
1988-07-19
Hershkovitz, Abraham
Motors: expansible chamber type
Relatively movable working members with one having motive...
Position of one working member controls motive fluid for...
91189R, 91404, 13762548, F01L 1500
Patent
active
047577444
ABSTRACT:
Apparatus for controlling a plurality of moving members, e.g. the flaps in an installation for heating and ventilating or for air conditioning a motor vehicle, comprises single-acting actuators (46, 48) whose piston rods (50, 52) are connected to rotate the flaps about their respective axes (12, 14), with the actuators (46, 48) being fed from a pressurized fluid distributor (32) which includes moving elements which are respectively connected to control means and to each of the piston rods (50, 52), together with fluid flow servo control means for putting the displacement of one flap under the control of the displacement of another flap.
REFERENCES:
patent: 3657965 (1972-04-01), Kirk
patent: 3669137 (1972-06-01), Kirk
patent: 4188976 (1980-02-01), Austin, Jr.
patent: 4448390 (1984-05-01), Halstead et al.
patent: 4478129 (1984-10-01), Hannes
patent: 4580758 (1986-04-01), Bouvot
patent: 4588953 (1986-05-01), Krage
patent: 4637294 (1987-01-01), Huet
Hershkovitz Abraham
Valeo
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