Valves and valve actuation – Fluid actuated or retarded – Pilot or servo type motor
Patent
1975-05-06
1977-07-12
Schwadron, Martin P.
Valves and valve actuation
Fluid actuated or retarded
Pilot or servo type motor
91420, 91468, 92 85B, 251 31, 251 54, 251 58, 251229, 251250, F16K 31124, F16K 3154
Patent
active
040349586
ABSTRACT:
A device for opening and closing a rotary valve by remote control comprising a cylinder having a main bore in which a movable unit is slidably mounted in fluid tight manner and which can be displaced in opposite directions by a pressurized fluid supplied by either of two pressurized fluid sources which can be remotely actuated in independent fashion. A sequencing mechanism is mounted in the cylinder for simultaneously applying the pressurized fluid from an activated source to a corresponding end face of the movable unit while connecting the other end face with the atmosphere. The movement of the slidable unit is transmitted to the rotary valve through a rack and pinion arrangement and a linkage composed of cranks and a connecting rod so arranged that when the valve is in either of its end positions it cannot produce movement of the linkage due to alignment of the axis of rotation of the pinion and the connection points of the rod to the cranks.
REFERENCES:
patent: 378041 (1881-02-01), Cresswell
patent: 404472 (1889-06-01), Dunn
patent: 1248261 (1917-11-01), Byron
patent: 1307114 (1919-06-01), Chambers
patent: 1545058 (1925-07-01), Merritt
patent: 2779591 (1957-01-01), Huck
patent: 2963260 (1960-12-01), Siravo
patent: 3132662 (1964-05-01), Allen
patent: 3338140 (1967-08-01), Sheesley
patent: 3412645 (1968-11-01), Kirk
patent: 3431985 (1969-03-01), Bowen
patent: 3892165 (1975-07-01), Lioux
patent: 3945206 (1976-03-01), Krause
Messier Hispano
Schwadron Martin P.
Walton G. L.
LandOfFree
Independent device for opening and closing rotary valves by remo does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Independent device for opening and closing rotary valves by remo, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Independent device for opening and closing rotary valves by remo will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-483884