Valves and valve actuation – Electrically actuated valve – Rotary electric actuator
Patent
1997-11-07
2000-06-13
Shaver, Kevin
Valves and valve actuation
Electrically actuated valve
Rotary electric actuator
25112902, 25112903, 251291, F16K 3105
Patent
active
06073907&
ABSTRACT:
A valve actuator assembly is provided for use with a valve body. The valve body includes a valve member for controlling flow of fluid through the valve body, which is mounted to a valve stem having an external connector portion. The valve body includes engagement structure, and the valve actuator is removably engageable with the valve body via a latching member movable into and out of engagement with the engagement structure. The valve body is configured such that a valve actuator providing either normally closed or normally open operation can be mounted to the valve body. The valve actuator includes a motor having an output engageable with a drive gear, which in turn is engageable with the valve stem when the valve actuator is mounted to the valve body. The actuator can be changed from providing normally open operation to providing normal closed operation simply by replacing one drive gear of the valve actuator with another. The valve actuator is configured such that the actuator can be used with two different types of valve bodies, such as a two-way valve body and a three-way valve body.
REFERENCES:
patent: 3319646 (1967-05-01), Smulka
patent: 4549446 (1985-10-01), Beeson
patent: 4705063 (1987-11-01), Robinson
"Gold Series Zone Valves" Information Sheet, Taco, Inc., 1160 Cranston Street, Cranston, RI 02920, Catalog 100-3.3, undated.
"MZV Motorized Zone Valve" Information Sheet, Taco, Inc., 1160 Cranston Street, Cranston, RI 02920, Catalog 100-2.7, undated.
"Honeywell, V4043, V4044 Fan Coil Valves, V8043, V8044 Zone Valves" Installation Manual, Form No. 95-6983-10, Honeywell, Inc. 1988.
"VG5000 Series Forged Brass Valves 1/2 Through 1 in., Two-Way Normally Closed And Three-Way", Johnson Controls, FANs 977, 125, 1628.3, Product/Technical Bulletin VG5000, Issue Date Nov. 1996.
"Taco Motorized Zone Valve Installation Instructions, 24 VAC Applications" No. 102-064, 1993, Taco, Inc., 1160 Cranston Street, Cranston, RI 02920.
Schlais, Jr. John H.
Schreiner, Jr. Michael R.
Detweiler Sean D.
Erie Manufacturing Company
Keasel Eric
Martin Terrence
Morris Jules Jay
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